# HG changeset patch # User Paul Boddie # Date 1643231622 -3600 # Node ID 0ce4ad07bb6131b048d7663361d913cec369a66d The Acorn Electron mainboard, recorded from published schematics. diff -r 000000000000 -r 0ce4ad07bb61 AcornElectron.dcm --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AcornElectron.dcm Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,3 @@ +EESchema-DOCLIB Version 2.0 +# +#End Doc Library diff -r 000000000000 -r 0ce4ad07bb61 AcornElectron.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AcornElectron.lib Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,210 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# 6502A +# +DEF 6502A U 0 40 Y Y 1 F N +F0 "U" 0 1400 50 H V C CNN +F1 "6502A" 0 1300 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +S -400 1200 400 -1150 0 1 0 f +X VSS 1 -100 -1250 100 U 50 50 1 1 W +X A1 10 -500 850 100 R 50 50 1 1 I +X A2 11 -500 750 100 R 50 50 1 1 I +X A3 12 -500 650 100 R 50 50 1 1 I +X A4 13 -500 550 100 R 50 50 1 1 I +X A5 14 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100 R 50 50 1 1 O +X RA5 8 -1400 1200 100 R 50 50 1 1 O +X VCC2 9 -500 2550 100 D 50 50 1 1 W +ENDDRAW +ENDDEF +# +# UM1233-E36 +# +DEF UM1233-E36 U 0 40 Y Y 1 F N +F0 "U" 550 -100 50 H V C CNN +F1 "UM1233-E36" 550 -200 50 H V C CNN +F2 "" 0 200 50 H I C CNN +F3 "" 0 200 50 H I C CNN +DRAW +S -250 350 250 -350 0 1 0 N +S 250 300 400 150 0 1 0 N +X VCC 1 0 450 100 D 50 50 1 1 W +X VIDEO 2 -350 50 100 R 50 50 1 1 I +X CH_SEL 3 -350 -50 100 R 50 50 1 1 I +X GND 4 0 -450 100 U 50 50 1 1 W +ENDDRAW +ENDDEF +# +#End Library diff -r 000000000000 -r 0ce4ad07bb61 AcornElectronMainboard.kicad_pcb --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AcornElectronMainboard.kicad_pcb Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,1 @@ +(kicad_pcb (version 4) (host kicad "dummy file") ) diff -r 000000000000 -r 0ce4ad07bb61 AcornElectronMainboard.pro --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AcornElectronMainboard.pro Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,33 @@ +update=22/05/2015 07:44:53 +version=1 +last_client=kicad +[general] +version=1 +RootSch= +BoardNm= +[pcbnew] +version=1 +LastNetListRead= +UseCmpFile=1 +PadDrill=0.600000000000 +PadDrillOvalY=0.600000000000 +PadSizeH=1.500000000000 +PadSizeV=1.500000000000 +PcbTextSizeV=1.500000000000 +PcbTextSizeH=1.500000000000 +PcbTextThickness=0.300000000000 +ModuleTextSizeV=1.000000000000 +ModuleTextSizeH=1.000000000000 +ModuleTextSizeThickness=0.150000000000 +SolderMaskClearance=0.000000000000 +SolderMaskMinWidth=0.000000000000 +DrawSegmentWidth=0.200000000000 +BoardOutlineThickness=0.100000000000 +ModuleOutlineThickness=0.150000000000 +[cvpcb] +version=1 +NetIExt=net +[eeschema] +version=1 +LibDir= +[eeschema/libraries] diff -r 000000000000 -r 0ce4ad07bb61 AcornElectronMainboard.sch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AcornElectronMainboard.sch Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,831 @@ +EESchema Schematic File Version 4 +LIBS:AcornElectronMainboard-cache +EELAYER 26 0 +EELAYER END +$Descr A4 8268 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+Wire Wire Line + 2200 5400 2900 5400 +Text GLabel 1300 3700 0 50 Output ~ 0 +ROM +Wire Wire Line + 2000 3600 2900 3600 +Wire Wire Line + 2300 3700 1300 3700 +Wire Wire Line + 2000 6300 2900 6300 +Wire Wire Line + 2000 6500 2900 6500 +Wire Wire Line + 1700 6600 2900 6600 +Wire Wire Line + 1700 6400 2900 6400 +$Sheet +S 4800 7800 700 300 +U 61DB955D +F0 "Video" 50 +F1 "video.sch" 50 +$EndSheet +Wire Wire Line + 6300 5500 6200 5500 +Wire Wire Line + 6300 5100 6200 5100 +Wire Wire Line + 5800 5100 5900 5100 +Wire Wire Line + 5800 5500 5900 5500 +Wire Wire Line + 5800 5300 5800 5100 +Wire Wire Line + 5800 5300 5800 5500 +Connection ~ 5800 5300 +Wire Wire Line + 5600 5300 5800 5300 +Text GLabel 6300 5500 2 50 Input ~ 0 +0V +$Comp +L Device:C C9 +U 1 1 621AE941 +P 6050 5500 +F 0 "C9" V 5798 5500 50 0000 C CNN +F 1 "1µF" V 5889 5500 50 0000 C CNN +F 2 "" H 6088 5350 50 0001 C CNN +F 3 "~" H 6050 5500 50 0001 C CNN + 1 6050 5500 + 0 1 1 0 +$EndComp +Text GLabel 6300 5100 2 50 Input ~ 0 +5V +$Comp +L Device:R R7 +U 1 1 61FA16A2 +P 6050 5100 +F 0 "R7" V 5843 5100 50 0000 C CNN +F 1 "56000R" V 5934 5100 50 0000 C CNN +F 2 "" V 5980 5100 50 0001 C CNN +F 3 "~" H 6050 5100 50 0001 C CNN + 1 6050 5100 + 0 1 1 0 +$EndComp +Text GLabel 7100 6100 2 50 Output ~ 0 +~CSYNC +Text GLabel 7100 6700 2 50 Output ~ 0 +BLUE +Text GLabel 7100 7300 2 50 Output ~ 0 +GREEN +Text GLabel 7100 7900 2 50 Output ~ 0 +RED +Wire Wire Line + 5600 5700 6100 5700 +Text GLabel 4900 7000 2 50 Output ~ 0 +~HS +Wire Wire Line + 4800 6750 4800 7000 +Wire Wire Line + 4800 7000 4900 7000 +Text GLabel 5800 2300 2 50 BiDi ~ 0 +CASSETTE_RC +Text GLabel 5800 2600 2 50 Output ~ 0 +CASSETTE_MOTOR +Wire Wire Line + 5600 2300 5800 2300 +Wire Wire Line + 5600 2600 5800 2600 +$Sheet +S 4800 7200 700 300 +U 62411C42 +F0 "UHF" 50 +F1 "UHF.sch" 50 +$EndSheet +Wire Wire Line + 5600 6300 5800 6300 +Wire Wire Line + 5600 5900 6000 5900 +Text Notes 5800 9150 0 50 ~ 0 +Issue 6 boards tend to have\nIC19 (74LS08) fitted for\nsome kind of buffering\nof the video signals.\n\nLK7 is supposedly connected\nto +5V to ensure this. +$Comp +L 74xx:74LS08 IC19 +U 1 1 61E3E3E3 +P 6700 7300 +F 0 "IC19" H 6700 7625 50 0000 C CNN +F 1 "74LS08" H 6700 7534 50 0000 C CNN +F 2 "" H 6700 7300 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 7300 50 0001 C CNN + 1 6700 7300 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS08 IC19 +U 2 1 61E3E49E +P 6700 7900 +F 0 "IC19" H 6700 8225 50 0000 C CNN +F 1 "74LS08" H 6700 8134 50 0000 C CNN +F 2 "" H 6700 7900 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 7900 50 0001 C CNN + 2 6700 7900 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS08 IC19 +U 3 1 61E3E509 +P 6700 6100 +F 0 "IC19" H 6700 6425 50 0000 C CNN +F 1 "74LS08" H 6700 6334 50 0000 C CNN +F 2 "" H 6700 6100 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 6100 50 0001 C CNN + 3 6700 6100 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS08 IC19 +U 4 1 61E3E573 +P 6700 6700 +F 0 "IC19" H 6700 7025 50 0000 C CNN +F 1 "74LS08" H 6700 6934 50 0000 C CNN +F 2 "" H 6700 6700 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 6700 50 0001 C CNN + 4 6700 6700 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS08 IC19 +U 5 1 61E3E5E4 +P 7200 8900 +F 0 "IC19" H 7430 8946 50 0000 L CNN +F 1 "74LS08" H 7430 8855 50 0000 L CNN +F 2 "" H 7200 8900 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 7200 8900 50 0001 C CNN + 5 7200 8900 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5800 6300 5800 7800 +Wire Wire Line + 5800 7800 6400 7800 +Wire Wire Line + 5900 6100 5900 7200 +Wire Wire Line + 5900 7200 6400 7200 +Wire Wire Line + 5600 6100 5900 6100 +Wire Wire Line + 6000 5900 6000 6800 +Wire Wire Line + 6000 6800 6400 6800 +Wire Wire Line + 6100 5700 6100 6200 +Wire Wire Line + 6100 6200 6400 6200 +$Comp +L Jumper:Jumper_2_Bridged LK7 +U 1 1 61EC346B +P 6600 8400 +F 0 "LK7" H 6600 8595 50 0000 C CNN +F 1 "Jumper_2_Bridged" H 6600 8504 50 0000 C CNN +F 2 "" H 6600 8400 50 0001 C CNN +F 3 "~" H 6600 8400 50 0001 C CNN + 1 6600 8400 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6400 8000 6200 8000 +Wire Wire Line + 6200 8000 6200 8400 +Wire Wire Line + 6200 8400 6400 8400 +Wire Wire Line + 6200 8000 6200 7400 +Wire Wire Line + 6200 7400 6400 7400 +Connection ~ 6200 8000 +Wire Wire Line + 6200 7400 6200 6600 +Wire Wire Line + 6200 6600 6400 6600 +Connection ~ 6200 7400 +Wire Wire Line + 6200 6600 6200 6000 +Wire Wire Line + 6200 6000 6400 6000 +Connection ~ 6200 6600 +Wire Wire Line + 7000 6100 7100 6100 +Wire Wire Line + 7000 6700 7100 6700 +Wire Wire Line + 7000 7300 7100 7300 +Wire Wire Line + 7000 7900 7100 7900 +Text GLabel 6900 8400 2 50 Input ~ 0 +5V +Wire Wire Line + 6900 8400 6800 8400 +Text GLabel 7200 8300 1 50 Input ~ 0 +5V +Wire Wire Line + 7200 8300 7200 8400 +Text GLabel 7200 9500 3 50 Input ~ 0 +0V +Wire Wire Line + 7200 9500 7200 9400 +Text GLabel 6100 8400 0 50 Output ~ 0 +BUFFER_ENABLE +Wire Wire Line + 6100 8400 6200 8400 +Wire Bus Line + 2100 1600 2100 1900 +Wire Bus Line + 2100 3100 2100 3400 +Wire Bus Line + 2100 2000 2100 3000 +Wire Bus Line + 2100 5400 2100 6100 +Wire Bus Line + 2100 3800 2100 5300 +Connection ~ 6200 8400 +$EndSCHEMATC diff -r 000000000000 -r 0ce4ad07bb61 CPU_ROM_KBD.sch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CPU_ROM_KBD.sch Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,761 @@ +EESchema Schematic File Version 4 +LIBS:AcornElectronMainboard-cache +EELAYER 26 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 7 9 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L AcornElectron:6502A IC? +U 1 1 61F22EDC +P 5400 4050 +AR Path="/61F22EDC" Ref="IC?" Part="1" +AR Path="/61F2273C/61F22EDC" Ref="IC3" Part="1" +F 0 "IC3" H 5400 5528 50 0000 C CNN +F 1 "6502A" H 5400 5437 50 0000 C CNN +F 2 "" H 5400 4050 50 0001 C CNN +F 3 "" H 5400 4050 50 0001 C CNN + 1 5400 4050 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5900 4300 6000 4300 +NoConn ~ 5900 4500 +NoConn ~ 5900 4600 +Wire Wire Line + 5700 2750 5700 1300 +Text Label 4900 3100 2 50 ~ 0 +A0 +Text Label 4900 3200 2 50 ~ 0 +A1 +Text Label 4900 3300 2 50 ~ 0 +A2 +Text Label 4900 3400 2 50 ~ 0 +A3 +Text Label 4900 3500 2 50 ~ 0 +A4 +Text Label 4900 3600 2 50 ~ 0 +A5 +Text Label 4900 3700 2 50 ~ 0 +A6 +Text Label 4900 3800 2 50 ~ 0 +A7 +Text Label 4900 3900 2 50 ~ 0 +A8 +Text Label 4900 4000 2 50 ~ 0 +A9 +Text Label 4900 4100 2 50 ~ 0 +A10 +Text Label 4900 4200 2 50 ~ 0 +A11 +Text Label 4900 4300 2 50 ~ 0 +A12 +Text Label 4900 4400 2 50 ~ 0 +A13 +Text Label 4900 4500 2 50 ~ 0 +A14 +Text Label 4900 4600 2 50 ~ 0 +A15 +Wire Bus Line + 4400 1500 6800 1500 +Entry Wire Line + 4400 3000 4500 3100 +Entry Wire Line + 4400 3100 4500 3200 +Entry Wire Line + 4400 3200 4500 3300 +Entry Wire Line + 4400 3300 4500 3400 +Entry Wire Line + 4400 3400 4500 3500 +Entry Wire Line + 4400 3500 4500 3600 +Entry Wire Line + 4400 3600 4500 3700 +Entry Wire Line + 4400 3700 4500 3800 +Entry Wire Line + 4400 3800 4500 3900 +Entry Wire Line + 4400 3900 4500 4000 +Entry Wire Line + 4400 4000 4500 4100 +Entry Wire Line + 4400 4100 4500 4200 +Entry Wire Line + 4400 4200 4500 4300 +Entry Wire Line + 4400 4300 4500 4400 +Entry Wire Line + 4400 4400 4500 4500 +Entry Wire Line + 4400 4500 4500 4600 +Wire Wire Line + 4500 3100 4900 3100 +Wire Wire Line + 4500 3200 4900 3200 +Wire Wire Line + 4500 3300 4900 3300 +Wire Wire Line + 4500 3400 4900 3400 +Wire Wire Line + 4500 3500 4900 3500 +Wire Wire Line + 4500 3600 4900 3600 +Wire Wire Line + 4500 3700 4900 3700 +Wire Wire Line + 4500 3800 4900 3800 +Wire Wire Line + 4500 3900 4900 3900 +Wire Wire Line + 4500 4000 4900 4000 +Wire Wire Line + 4500 4100 4900 4100 +Wire Wire Line + 4500 4200 4900 4200 +Wire Wire Line + 4500 4300 4900 4300 +Wire Wire Line + 4500 4400 4900 4400 +Wire Wire Line + 4500 4500 4900 4500 +Wire Wire Line + 4500 4600 4900 4600 +$Comp +L Connector_Generic:Conn_01x22 PL? +U 1 1 61F22F1C +P 1100 3200 +AR Path="/61F22F1C" Ref="PL?" Part="1" +AR Path="/61F2273C/61F22F1C" Ref="PL2" Part="1" +F 0 "PL2" H 1020 4417 50 0000 C CNN +F 1 "Keyboard" H 1020 4326 50 0000 C CNN +F 2 "" H 1100 3200 50 0001 C CNN +F 3 "~" H 1100 3200 50 0001 C CNN + 1 1100 3200 + -1 0 0 -1 +$EndComp +$Comp +L ROM:ROM_32K IC? +U 1 1 61F22F23 +P 3300 3700 +AR Path="/61F22F23" Ref="IC?" Part="1" +AR Path="/61F2273C/61F22F23" Ref="IC2" Part="1" +F 0 "IC2" H 3300 4600 50 0000 C CNN +F 1 "ROM_32K" H 3300 4500 50 0000 C CNN +F 2 "" H 3300 3700 50 0001 C CNN +F 3 "" H 3300 3700 50 0001 C CNN + 1 3300 3700 + 1 0 0 -1 +$EndComp +Wire Bus Line + 4400 1500 2200 1500 +Connection ~ 4400 1500 +Entry Wire Line + 2200 3100 2300 3200 +Entry Wire Line + 2200 3200 2300 3300 +Entry Wire Line + 2200 3300 2300 3400 +Entry Wire Line + 2200 3400 2300 3500 +Entry Wire Line + 2200 3500 2300 3600 +Entry Wire Line + 2200 3600 2300 3700 +Entry Wire Line + 2200 3700 2300 3800 +Entry Wire Line + 2200 3800 2300 3900 +Entry Wire Line + 2200 3900 2300 4000 +Entry Wire Line + 2200 4000 2300 4100 +Entry Wire Line + 2200 4100 2300 4200 +Entry Wire Line + 2200 4200 2300 4300 +Entry Wire Line + 2200 4300 2300 4400 +Entry Wire Line + 2200 4400 2300 4500 +Entry Wire Line + 2200 4500 2300 4600 +Wire Wire Line + 2300 3200 2800 3200 +Wire Wire Line + 2300 3300 2800 3300 +Wire Wire Line + 2300 3400 2800 3400 +Wire Wire Line + 2300 3500 2800 3500 +Wire Wire Line + 2300 3600 2800 3600 +Wire Wire Line + 2300 3700 2800 3700 +Wire Wire Line + 2300 3800 2800 3800 +Wire Wire Line + 2300 3900 2800 3900 +Wire Wire Line + 2300 4000 2800 4000 +Wire Wire Line + 2300 4100 2800 4100 +Wire Wire Line + 2300 4200 2800 4200 +Wire Wire Line + 2300 4300 2800 4300 +Wire Wire Line + 2300 4400 2800 4400 +Wire Wire Line + 2300 4500 2800 4500 +Wire Wire Line + 2300 4600 2800 4600 +Text Label 5900 3200 0 50 ~ 0 +D0 +Text Label 5900 3300 0 50 ~ 0 +D1 +Text Label 5900 3400 0 50 ~ 0 +D2 +Text Label 5900 3500 0 50 ~ 0 +D3 +Text Label 5900 3600 0 50 ~ 0 +D4 +Text Label 5900 3700 0 50 ~ 0 +D5 +Text Label 5900 3800 0 50 ~ 0 +D6 +Text Label 5900 3900 0 50 ~ 0 +D7 +Entry Wire Line + 6600 3200 6700 3300 +Entry Wire Line + 6600 3300 6700 3400 +Entry Wire Line + 6600 3400 6700 3500 +Entry Wire Line + 6600 3500 6700 3600 +Entry Wire Line + 6600 3600 6700 3700 +Entry Wire Line + 6600 3700 6700 3800 +Entry Wire Line + 6600 3800 6700 3900 +Entry Wire Line + 6600 3900 6700 4000 +Entry Wire Line + 3900 3700 4000 3800 +Entry Wire Line + 3900 3800 4000 3900 +Entry Wire Line + 3900 3900 4000 4000 +Entry Wire Line + 3900 4000 4000 4100 +Entry Wire Line + 3900 4100 4000 4200 +Entry Wire Line + 3900 4200 4000 4300 +Entry Wire Line + 3900 4300 4000 4400 +Entry Wire Line + 3900 4400 4000 4500 +Wire Wire Line + 3800 3700 3900 3700 +Wire Wire Line + 3800 3800 3900 3800 +Wire Wire Line + 3800 3900 3900 3900 +Wire Wire Line + 3800 4000 3900 4000 +Wire Wire Line + 3800 4100 3900 4100 +Wire Wire Line + 3800 4200 3900 4200 +Wire Wire Line + 3800 4300 3900 4300 +Wire Wire Line + 3800 4400 3900 4400 +Wire Wire Line + 6800 1700 4000 1700 +Wire Wire Line + 4000 1700 4000 3500 +Entry Wire Line + 2100 3000 2200 3100 +Entry Wire Line + 2100 3100 2200 3200 +Entry Wire Line + 2100 3200 2200 3300 +Entry Wire Line + 2100 3300 2200 3400 +Entry Wire Line + 2100 3400 2200 3500 +Entry Wire Line + 2100 3500 2200 3600 +Entry Wire Line + 2100 3600 2200 3700 +Entry Wire Line + 2100 3700 2200 3800 +Entry Wire Line + 2100 3800 2200 3900 +Entry Wire Line + 2100 3900 2200 4000 +Entry Wire Line + 2100 4000 2200 4100 +Entry Wire Line + 2100 4100 2200 4200 +Entry Wire Line + 2100 4200 2200 4300 +Entry Wire Line + 2100 4300 2200 4400 +Wire Wire Line + 1300 3000 2100 3000 +Wire Wire Line + 1300 3100 2100 3100 +Wire Wire Line + 1300 3200 2100 3200 +Wire Wire Line + 1300 3300 2100 3300 +Wire Wire Line + 1300 3400 2100 3400 +Wire Wire Line + 1300 3500 2100 3500 +Wire Wire Line + 1300 3600 2100 3600 +Wire Wire Line + 1300 3700 2100 3700 +Wire Wire Line + 1300 3800 2100 3800 +Wire Wire Line + 1300 3900 2100 3900 +Wire Wire Line + 1300 4000 2100 4000 +Wire Wire Line + 1300 4100 2100 4100 +Wire Wire Line + 1300 4200 2100 4200 +Wire Wire Line + 1300 4300 2100 4300 +Text Label 2800 3200 2 50 ~ 0 +A0 +Text Label 2800 3300 2 50 ~ 0 +A1 +Text Label 2800 3400 2 50 ~ 0 +A2 +Text Label 2800 3500 2 50 ~ 0 +A3 +Text Label 2800 3600 2 50 ~ 0 +A4 +Text Label 2800 3700 2 50 ~ 0 +A5 +Text Label 2800 3800 2 50 ~ 0 +A6 +Text Label 2800 3900 2 50 ~ 0 +A7 +Text Label 2800 4000 2 50 ~ 0 +A8 +Text Label 2800 4100 2 50 ~ 0 +A9 +Text Label 2800 4200 2 50 ~ 0 +A10 +Text Label 2800 4300 2 50 ~ 0 +A11 +Text Label 2800 4400 2 50 ~ 0 +A12 +Text Label 2800 4500 2 50 ~ 0 +A13 +Text Label 2800 4600 2 50 ~ 0 +A14 +Text Label 1300 3900 0 50 ~ 0 +A0 +Text Label 1300 4000 0 50 ~ 0 +A1 +Text Label 1300 4100 0 50 ~ 0 +A2 +Text Label 1300 4200 0 50 ~ 0 +A3 +Text Label 1300 4300 0 50 ~ 0 +A4 +Text Label 1300 3000 0 50 ~ 0 +A13 +Text Label 1300 3100 0 50 ~ 0 +A12 +Text Label 1300 3200 0 50 ~ 0 +A11 +Text Label 1300 3300 0 50 ~ 0 +A10 +Text Label 1300 3400 0 50 ~ 0 +A9 +Text Label 1300 3500 0 50 ~ 0 +A8 +Text Label 1300 3600 0 50 ~ 0 +A7 +Text Label 1300 3700 0 50 ~ 0 +A6 +Text Label 1300 3800 0 50 ~ 0 +A5 +Text Label 3800 3700 0 50 ~ 0 +D0 +Text Label 3800 3800 0 50 ~ 0 +D1 +Text Label 3800 3900 0 50 ~ 0 +D2 +Text Label 3800 4000 0 50 ~ 0 +D3 +Text Label 3800 4100 0 50 ~ 0 +D4 +Text Label 3800 4200 0 50 ~ 0 +D5 +Text Label 3800 4300 0 50 ~ 0 +D6 +Text Label 3800 4400 0 50 ~ 0 +D7 +Connection ~ 5700 1300 +Wire Wire Line + 7500 900 1800 900 +Wire Wire Line + 1800 900 1800 2300 +Wire Wire Line + 1800 2300 1300 2300 +Text Label 1300 2200 0 50 ~ 0 +BREAK +Text Label 1300 2300 0 50 ~ 0 +CAPS_LOCK +Text Label 1300 2400 0 50 ~ 0 +0V +Text Label 1300 2500 0 50 ~ 0 +5V +Text Label 1300 2600 0 50 ~ 0 +KBD0 +Text Label 1300 2700 0 50 ~ 0 +KBD1 +Text Label 1300 2800 0 50 ~ 0 +KBD2 +Text Label 1300 2900 0 50 ~ 0 +KBD3 +Entry Wire Line + 1900 2600 2000 2500 +Entry Wire Line + 1900 2700 2000 2600 +Entry Wire Line + 1900 2800 2000 2700 +Entry Wire Line + 1900 2900 2000 2800 +Wire Wire Line + 1300 2600 1900 2600 +Wire Wire Line + 1300 2700 1900 2700 +Wire Wire Line + 1300 2800 1900 2800 +Wire Wire Line + 1300 2900 1900 2900 +Wire Wire Line + 4000 3500 3800 3500 +NoConn ~ 4900 4800 +$Comp +L Jumper:Jumper_3_Open LK? +U 1 1 61F22FC4 +P 4550 5250 +AR Path="/61F22FC4" Ref="LK?" Part="1" +AR Path="/61F2273C/61F22FC4" Ref="LK1" Part="1" +F 0 "LK1" H 4550 5382 50 0000 C CNN +F 1 "ROM type" H 4550 5473 50 0000 C CNN +F 2 "" H 4550 5250 50 0001 C CNN +F 3 "~" H 4550 5250 50 0001 C CNN + 1 4550 5250 + -1 0 0 1 +$EndComp +Wire Wire Line + 3800 3400 4100 3400 +Wire Wire Line + 4100 3400 4100 5000 +Wire Wire Line + 4100 5000 4550 5000 +Wire Wire Line + 4550 5000 4550 5100 +Wire Wire Line + 4800 5250 4800 4900 +Wire Wire Line + 4800 4900 4900 4900 +Text GLabel 3550 2400 1 50 Input ~ 0 +5V +Wire Wire Line + 3550 3000 3550 2500 +Text GLabel 5200 2400 1 50 Input ~ 0 +5V +Wire Wire Line + 5200 2750 5200 2400 +$Comp +L Device:C C? +U 1 1 61F22FD5 +P 3750 2750 +AR Path="/61F22FD5" Ref="C?" Part="1" +AR Path="/61F2273C/61F22FD5" Ref="C?" Part="1" +F 0 "C?" H 3865 2796 50 0000 L CNN +F 1 "A" H 3865 2705 50 0000 L CNN +F 2 "" H 3788 2600 50 0001 C CNN +F 3 "~" H 3750 2750 50 0001 C CNN + 1 3750 2750 + 1 0 0 -1 +$EndComp +Text GLabel 3550 5700 3 50 Input ~ 0 +0V +Text GLabel 5300 5700 3 50 Input ~ 0 +0V +Wire Wire Line + 3550 5700 3550 4900 +Wire Wire Line + 3550 4900 4200 4900 +Wire Wire Line + 4200 4900 4200 3000 +Wire Wire Line + 4200 3000 3750 3000 +Wire Wire Line + 3750 3000 3750 2900 +Connection ~ 3550 4900 +Wire Wire Line + 3550 4900 3550 4800 +Wire Wire Line + 3750 2600 3750 2500 +Wire Wire Line + 3750 2500 3550 2500 +Connection ~ 3550 2500 +Wire Wire Line + 3550 2500 3550 2400 +Wire Wire Line + 5300 5700 5300 5400 +Wire Wire Line + 5300 5400 5500 5400 +Wire Wire Line + 5500 5400 5500 5300 +Connection ~ 5300 5400 +Wire Wire Line + 5300 5400 5300 5300 +Text GLabel 1600 2500 2 50 Input ~ 0 +5V +Text GLabel 1600 2400 2 50 Input ~ 0 +0V +Wire Wire Line + 1300 2400 1600 2400 +Wire Wire Line + 1300 2500 1600 2500 +Text GLabel 4300 5700 3 50 Input ~ 0 +0V +Wire Wire Line + 4300 5700 4300 5250 +Text Label 4800 5200 1 50 ~ 0 +Toshiba +Text Label 4300 5300 3 50 ~ 0 +Hitachi +Wire Wire Line + 1900 2200 1300 2200 +Wire Wire Line + 5700 1300 1900 1300 +Wire Wire Line + 1900 1300 1900 2200 +Text GLabel 6000 4700 2 50 Input ~ 0 +RDY +Wire Wire Line + 5900 4200 6200 4200 +Wire Wire Line + 5900 4100 6800 4100 +Wire Wire Line + 5700 1300 7500 1300 +Wire Bus Line + 4000 6100 6700 6100 +Wire Wire Line + 5900 4700 6000 4700 +Wire Wire Line + 5900 3200 6600 3200 +Wire Wire Line + 5900 3300 6600 3300 +Wire Wire Line + 5900 3400 6600 3400 +Wire Wire Line + 5900 3500 6600 3500 +Wire Wire Line + 5900 3600 6600 3600 +Wire Wire Line + 5900 3700 6600 3700 +Wire Wire Line + 5900 3800 6600 3800 +Wire Wire Line + 5900 3900 6600 3900 +Text GLabel 8500 4000 2 50 Input ~ 0 +~NMI +Text GLabel 6200 4200 2 50 Input ~ 0 +~IRQ +Text GLabel 6000 4300 2 50 Output ~ 0 +RnW +Text GLabel 7700 5000 2 50 Input ~ 0 +PHI_OUT +Text GLabel 6800 1500 2 50 Output ~ 0 +CPU_ADDRESS +Text GLabel 6800 6100 2 50 BiDi ~ 0 +CPU_DATA +Wire Bus Line + 6800 6100 6700 6100 +Connection ~ 6700 6100 +Text GLabel 6800 1100 2 50 Output ~ 0 +KBD_DATA +Wire Bus Line + 6800 1100 2000 1100 +Text GLabel 7500 1300 2 50 Output ~ 0 +~RST +Text GLabel 6800 1700 2 50 Input ~ 0 +ROM +Text GLabel 7500 900 2 50 Output ~ 0 +CAPS_LOCK +Text Notes 6800 3200 0 50 ~ 0 +Issue 6 boards tend to have\nIC18 (74LS08) fitted for some\nkind of buffering for ~NMI\nand for PHI_OUT.\n\nLK8 is made to enable buffering via IC18 for ~NMI.\nLK9 is made to disable buffering via IC18 for PHI_OUT.\n\nOn such boards, without any links made, buffering\nonly seems to be done for PHI_OUT.\n +$Comp +L 74xx:74LS08 IC18 +U 4 1 61F0E37D +P 7200 4900 +F 0 "IC18" H 7200 4583 50 0000 C CNN +F 1 "74LS08" H 7200 4674 50 0000 C CNN +F 2 "" H 7200 4900 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 7200 4900 50 0001 C CNN + 4 7200 4900 + -1 0 0 1 +$EndComp +Text GLabel 7700 4500 2 50 Input ~ 0 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Wire Line + 9500 3600 9500 3300 +Text GLabel 8900 3500 1 50 Input ~ 0 +5V +Wire Wire Line + 9000 3600 8900 3600 +Wire Wire Line + 8900 3600 8900 3500 +$Comp +L Device:R R29 +U 1 1 620EF7AD +P 8700 4150 +AR Path="/61DB955D/61DF7FF4/620EF7AD" Ref="R29" Part="1" +AR Path="/62411C42/620EF7AD" Ref="R29" Part="1" +F 0 "R29" H 8770 4196 50 0000 L CNN +F 1 "120000R" H 8770 4105 50 0000 L CNN +F 2 "" V 8630 4150 50 0001 C CNN +F 3 "~" H 8700 4150 50 0001 C CNN + 1 8700 4150 + 1 0 0 -1 +$EndComp +Text GLabel 8700 3900 1 50 Input ~ 0 +5V +Wire Wire Line + 8700 3900 8700 4000 +Wire Wire Line + 8700 4300 8700 4400 +Wire Wire Line + 8700 4400 9200 4400 +Connection ~ 9200 4400 +Wire Wire Line + 9200 4400 9200 4100 +$Comp +L Device:R R30 +U 1 1 62144EE5 +P 9700 4350 +AR Path="/61DB955D/61DF7FF4/62144EE5" Ref="R30" Part="1" +AR Path="/62411C42/62144EE5" Ref="R30" Part="1" +F 0 "R30" H 9770 4396 50 0000 L CNN +F 1 "120000R" H 9770 4305 50 0000 L CNN +F 2 "" V 9630 4350 50 0001 C CNN +F 3 "~" H 9700 4350 50 0001 C CNN + 1 9700 4350 + 1 0 0 -1 +$EndComp +Text GLabel 9700 4600 3 50 Input ~ 0 +0V +Wire Wire Line + 9700 4600 9700 4500 +Wire Wire Line + 9700 4200 9700 4100 +Wire Wire Line + 9700 4100 9200 4100 +Connection ~ 9200 4100 +Wire Wire Line + 9200 4100 9200 3900 +$Comp +L Device:R R37 +U 1 1 621794AB +P 9700 3550 +AR Path="/61DB955D/61DF7FF4/621794AB" Ref="R37" Part="1" +AR Path="/62411C42/621794AB" Ref="R37" Part="1" +F 0 "R37" H 9770 3596 50 0000 L CNN +F 1 "1000R" H 9770 3505 50 0000 L CNN +F 2 "" V 9630 3550 50 0001 C CNN +F 3 "~" H 9700 3550 50 0001 C CNN + 1 9700 3550 + 1 0 0 -1 +$EndComp +Text GLabel 9700 3800 3 50 Input ~ 0 +0V +Wire Wire Line + 9700 3800 9700 3700 +Wire Wire Line + 9700 3400 9700 3300 +Wire Wire Line + 9700 3300 9500 3300 +Wire Wire Line + 9500 3300 9500 3000 +Connection ~ 9500 3300 +$Comp +L AcornElectron:UM1233-E36 SK4 +U 1 1 621B02BC +P 10150 2150 +AR Path="/61DB955D/61DF7FF4/621B02BC" Ref="SK4" Part="1" +AR Path="/62411C42/621B02BC" Ref="SK4" Part="1" +F 0 "SK4" H 10577 2196 50 0000 L CNN +F 1 "UM1233-E36" H 10577 2105 50 0000 L CNN +F 2 "" H 10150 2350 50 0001 C CNN +F 3 "" H 10150 2350 50 0001 C CNN + 1 10150 2150 + 1 0 0 -1 +$EndComp +Wire Wire Line + 9500 2100 9800 2100 +NoConn ~ 9800 2200 +$Comp +L Device:R R65 +U 1 1 621D44B6 +P 9700 1050 +AR Path="/61DB955D/61DF7FF4/621D44B6" Ref="R65" Part="1" +AR Path="/62411C42/621D44B6" Ref="R65" Part="1" +F 0 "R65" H 9770 1096 50 0000 L CNN +F 1 "10R" H 9770 1005 50 0000 L CNN +F 2 "" V 9630 1050 50 0001 C CNN +F 3 "~" H 9700 1050 50 0001 C CNN + 1 9700 1050 + 1 0 0 -1 +$EndComp +Wire Wire Line + 10150 1300 9700 1300 +Wire Wire Line + 9700 1300 9700 1200 +Text GLabel 9700 800 1 50 Input ~ 0 +5V +Wire Wire Line + 9700 800 9700 900 +$Comp +L Device:CP C23 +U 1 1 621F95D7 +P 9200 1550 +AR Path="/61DB955D/61DF7FF4/621F95D7" Ref="C23" Part="1" +AR Path="/62411C42/621F95D7" Ref="C23" Part="1" +F 0 "C23" H 9318 1596 50 0000 L CNN +F 1 "47µF" H 9318 1505 50 0000 L CNN +F 2 "" H 9238 1400 50 0001 C CNN +F 3 "~" H 9200 1550 50 0001 C CNN + 1 9200 1550 + 1 0 0 -1 +$EndComp +Text GLabel 9200 1800 3 50 Input ~ 0 +0V +Wire Wire Line + 9200 1800 9200 1700 +Wire Wire Line + 9200 1400 9200 1300 +Wire Wire Line + 9200 1300 9700 1300 +Connection ~ 9700 1300 +Text GLabel 10150 2700 3 50 Input ~ 0 +0V +Wire Wire Line + 10150 2700 10150 2600 +Wire Wire Line + 10150 1700 10150 1300 +Connection ~ 9500 2100 +$Comp +L Device:R R? +U 1 1 61F6CBF3 +P 8700 1850 +AR Path="/61DB955D/61F6CBF3" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F6CBF3" Ref="R41" Part="1" +AR Path="/62411C42/61F6CBF3" Ref="R41" Part="1" +F 0 "R41" H 8770 1896 50 0000 L CNN +F 1 "1200R" H 8770 1805 50 0000 L CNN +F 2 "" V 8630 1850 50 0001 C CNN +F 3 "~" H 8700 1850 50 0001 C CNN + 1 8700 1850 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R? +U 1 1 61F6CBFA +P 8800 2350 +AR Path="/61DB955D/61F6CBFA" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F6CBFA" Ref="R42" Part="1" +AR Path="/62411C42/61F6CBFA" Ref="R42" Part="1" +F 0 "R42" H 8870 2396 50 0000 L CNN +F 1 "3900R" H 8870 2305 50 0000 L CNN +F 2 "" V 8730 2350 50 0001 C CNN +F 3 "~" H 8800 2350 50 0001 C CNN + 1 8800 2350 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8700 2000 8700 2100 +Wire Wire Line + 8700 2100 8800 2100 +Wire Wire Line + 8800 2100 8800 2200 +Wire Wire Line + 8700 2100 7700 2100 +Connection ~ 8700 2100 +Text GLabel 8800 2600 3 50 Input ~ 0 +0V +Text GLabel 8700 1600 1 50 Input ~ 0 +5V +Wire Wire Line + 8700 1600 8700 1700 +Wire Wire Line + 8800 2500 8800 2600 +Connection ~ 8800 2100 +Wire Wire Line + 8800 2100 9500 2100 +$Comp +L Device:R R? +U 1 1 61F9CFEF +P 4750 2800 +AR Path="/61DB955D/61F9CFEF" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9CFEF" Ref="R14" Part="1" +AR Path="/62411C42/61F9CFEF" Ref="R14" Part="1" +F 0 "R14" V 4950 2800 50 0000 C CNN +F 1 "3900R" V 4850 2800 50 0000 C CNN +F 2 "" V 4680 2800 50 0001 C CNN +F 3 "~" H 4750 2800 50 0001 C CNN + 1 4750 2800 + 0 -1 -1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 61F9CFF6 +P 4350 2200 +AR Path="/61DB955D/61F9CFF6" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9CFF6" Ref="R19" Part="1" +AR Path="/62411C42/61F9CFF6" Ref="R19" Part="1" +F 0 "R19" V 4150 2200 50 0000 C CNN +F 1 "1500R" V 4250 2200 50 0000 C CNN +F 2 "" V 4280 2200 50 0001 C CNN +F 3 "~" H 4350 2200 50 0001 C CNN + 1 4350 2200 + 0 1 1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 61F9CFFD +P 4550 2500 +AR Path="/61DB955D/61F9CFFD" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9CFFD" Ref="R16" Part="1" +AR Path="/62411C42/61F9CFFD" Ref="R16" Part="1" +F 0 "R16" V 4350 2500 50 0000 C CNN +F 1 "1000R" V 4450 2500 50 0000 C CNN +F 2 "" V 4480 2500 50 0001 C CNN +F 3 "~" H 4550 2500 50 0001 C CNN + 1 4550 2500 + 0 1 1 0 +$EndComp +$Comp +L Diode:1N4148 D? +U 1 1 61F9D01B +P 3750 1800 +AR Path="/61DB955D/61F9D01B" Ref="D?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D01B" Ref="D1" Part="1" +AR Path="/62411C42/61F9D01B" Ref="D1" Part="1" +F 0 "D1" H 3750 1600 50 0000 C CNN +F 1 "1N4148" H 3750 1700 50 0000 C CNN +F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3750 1625 50 0001 C CNN +F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3750 1800 50 0001 C CNN + 1 3750 1800 + -1 0 0 1 +$EndComp +$Comp +L Device:R R? +U 1 1 61F9D02B +P 4250 1800 +AR Path="/61DB955D/61F9D02B" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D02B" Ref="R12" Part="1" +AR Path="/62411C42/61F9D02B" Ref="R12" Part="1" +F 0 "R12" V 4450 1800 50 0000 C CNN +F 1 "2200R" V 4350 1800 50 0000 C CNN +F 2 "" V 4180 1800 50 0001 C CNN +F 3 "~" H 4250 1800 50 0001 C CNN + 1 4250 1800 + 0 -1 -1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 61F9D037 +P 4600 1450 +AR Path="/61DB955D/61F9D037" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D037" Ref="R13" Part="1" +AR Path="/62411C42/61F9D037" Ref="R13" Part="1" +F 0 "R13" H 4800 1400 50 0000 R CNN +F 1 "470R" H 4650 1500 50 0000 L CNN +F 2 "" V 4530 1450 50 0001 C CNN +F 3 "~" H 4600 1450 50 0001 C CNN + 1 4600 1450 + -1 0 0 1 +$EndComp +$Comp +L Device:C C? +U 1 1 61F9D03F +P 6100 1450 +AR Path="/61DB955D/61F9D03F" Ref="C?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D03F" Ref="C13" Part="1" +AR Path="/62411C42/61F9D03F" Ref="C13" Part="1" +F 0 "C13" H 6000 1400 50 0000 R CNN +F 1 "150pF" H 6000 1500 50 0000 R CNN +F 2 "" H 6138 1300 50 0001 C CNN +F 3 "~" H 6100 1450 50 0001 C CNN + 1 6100 1450 + -1 0 0 1 +$EndComp +$Comp +L bc309:BC309 Q? +U 1 1 61F9D049 +P 6500 1800 +AR Path="/61DB955D/61F9D049" Ref="Q?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D049" Ref="Q5" Part="1" +AR Path="/62411C42/61F9D049" Ref="Q?" Part="1" +F 0 "Q?" H 6691 1754 50 0000 L CNN +F 1 "BC309" H 6691 1845 50 0000 L CNN +F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6700 1725 50 0001 L CIN +F 3 "https://www.futurlec.com/Transistors/BC309.shtml" H 6500 1800 50 0001 L CNN + 1 6500 1800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6600 1100 6600 1600 +Wire Wire Line + 4600 1100 6100 1100 +Text GLabel 6700 1100 2 50 Input ~ 0 +0V +Wire Wire Line + 6700 1100 6600 1100 +Connection ~ 6600 1100 +$Comp +L Device:R R? +U 1 1 61F9D068 +P 7300 2100 +AR Path="/61DB955D/61F9D068" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D068" Ref="R22" Part="1" +AR Path="/62411C42/61F9D068" Ref="R22" Part="1" +F 0 "R22" V 7200 2100 50 0000 C CNN +F 1 "1000R" V 7400 2100 50 0000 C CNN +F 2 "" V 7230 2100 50 0001 C CNN +F 3 "~" H 7300 2100 50 0001 C CNN + 1 7300 2100 + 0 1 1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 61F9D06F +P 7100 1750 +AR Path="/61DB955D/61F9D06F" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D06F" Ref="R21" Part="1" +AR Path="/62411C42/61F9D06F" Ref="R21" Part="1" +F 0 "R21" H 7050 1700 50 0000 R CNN +F 1 "68R" H 7050 1800 50 0000 R CNN +F 2 "" V 7030 1750 50 0001 C CNN +F 3 "~" H 7100 1750 50 0001 C CNN + 1 7100 1750 + -1 0 0 1 +$EndComp +Text GLabel 7100 1500 1 50 Input ~ 0 +5V +Wire Wire Line + 7100 1500 7100 1600 +Wire Wire Line + 7100 1900 7100 2100 +Connection ~ 7100 2100 +$Comp +L Device:R R? +U 1 1 61F9D07A +P 7700 1750 +AR Path="/61DB955D/61F9D07A" Ref="R?" Part="1" +AR Path="/61DB955D/61DF7FF4/61F9D07A" Ref="R26" Part="1" +AR Path="/62411C42/61F9D07A" Ref="R26" Part="1" +F 0 "R26" H 7750 1700 50 0000 L CNN +F 1 "1800R" H 7750 1800 50 0000 L CNN +F 2 "" V 7630 1750 50 0001 C CNN +F 3 "~" H 7700 1750 50 0001 C CNN + 1 7700 1750 + -1 0 0 1 +$EndComp +Wire Wire Line + 7450 2100 7700 2100 +Wire Wire Line + 7700 2100 7700 1900 +Wire Wire Line + 7100 2100 7150 2100 +Wire Wire Line + 6600 2100 7100 2100 +Connection ~ 7700 2100 +Text GLabel 2200 800 0 50 Input ~ 0 +~CSYNC +Wire Wire Line + 2200 800 7700 800 +Wire Wire Line + 7700 800 7700 1600 +Wire Wire Line + 6600 2100 6600 2000 +Wire Wire Line + 4600 1100 4600 1300 +Wire Wire Line + 6100 1300 6100 1100 +Connection ~ 6100 1100 +Wire Wire Line + 6100 1100 6600 1100 +Wire Wire Line + 4600 1600 4600 1800 +Wire Wire Line + 4600 1800 4800 1800 +Wire Wire Line + 6100 1800 6100 1600 +Connection ~ 6100 1800 +Wire Wire Line + 6100 1800 6300 1800 +$Comp +L Diode:1N4148 D? +U 1 1 62248B0E +P 3550 1500 +AR Path="/61DB955D/62248B0E" Ref="D?" Part="1" +AR Path="/61DB955D/61DF7FF4/62248B0E" Ref="D2" Part="1" +AR Path="/62411C42/62248B0E" Ref="D2" Part="1" +F 0 "D2" H 3550 1300 50 0000 C CNN +F 1 "1N4148" H 3550 1400 50 0000 C CNN +F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3550 1325 50 0001 C CNN +F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3550 1500 50 0001 C CNN + 1 3550 1500 + -1 0 0 1 +$EndComp +$Comp +L Diode:1N4148 D? +U 1 1 62248C2A +P 3350 1200 +AR Path="/61DB955D/62248C2A" Ref="D?" Part="1" +AR Path="/61DB955D/61DF7FF4/62248C2A" Ref="D3" Part="1" +AR Path="/62411C42/62248C2A" Ref="D3" Part="1" +F 0 "D3" H 3350 1000 50 0000 C CNN +F 1 "1N4148" H 3350 1100 50 0000 C CNN +F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3350 1025 50 0001 C CNN +F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3350 1200 50 0001 C CNN + 1 3350 1200 + -1 0 0 1 +$EndComp +Wire Wire Line + 4100 1800 4000 1800 +Wire Wire Line + 4000 1800 4000 1500 +Wire Wire Line + 4000 1500 3700 1500 +Connection ~ 4000 1800 +Wire Wire Line + 4000 1800 3900 1800 +Wire Wire Line + 4000 1500 4000 1200 +Wire Wire Line + 4000 1200 3500 1200 +Connection ~ 4000 1500 +Wire Wire Line + 3600 1800 3500 1800 +Wire Wire Line + 3500 1800 3500 3300 +Connection ~ 3500 3300 +Wire Wire Line + 3500 3300 4500 3300 +Wire Wire Line + 3400 1500 3300 1500 +Wire Wire Line + 3300 1500 3300 3100 +Connection ~ 3300 3100 +Wire Wire Line + 3300 3100 4300 3100 +Wire Wire Line + 3200 1200 3100 1200 +Wire Wire Line + 3100 1200 3100 2900 +Connection ~ 3100 2900 +Wire Wire Line + 3100 2900 4100 2900 +Wire Wire Line + 4400 1800 4600 1800 +Connection ~ 4600 1800 +Wire Wire Line + 4900 2800 5000 2800 +Wire Wire Line + 5000 2800 5000 1800 +Connection ~ 5000 1800 +Wire Wire Line + 5000 1800 6100 1800 +Wire Wire Line + 4600 2800 4500 2800 +Wire Wire Line + 4500 2800 4500 3300 +Connection ~ 4500 3300 +Wire Wire Line + 4500 3300 4900 3300 +Wire Wire Line + 4700 2500 4900 2500 +Wire Wire Line + 4900 2500 4900 1800 +Connection ~ 4900 1800 +Wire Wire Line + 4900 1800 5000 1800 +Wire Wire Line + 4400 2500 4300 2500 +Wire Wire Line + 4300 2500 4300 3100 +Connection ~ 4300 3100 +Wire Wire Line + 4300 3100 5000 3100 +Wire Wire Line + 4500 2200 4800 2200 +Wire Wire Line + 4800 2200 4800 1800 +Connection ~ 4800 1800 +Wire Wire Line + 4800 1800 4900 1800 +Wire Wire Line + 4200 2200 4100 2200 +Wire Wire Line + 4100 2200 4100 2900 +Connection ~ 4100 2900 +Wire Wire Line + 4100 2900 5500 2900 +$Comp +L Device:C C17 +U 1 1 6241CD4D +P 10550 3000 +F 0 "C17" V 10298 3000 50 0000 C CNN +F 1 "470pF" V 10389 3000 50 0000 C CNN +F 2 "" H 10588 2850 50 0001 C CNN +F 3 "~" H 10550 3000 50 0001 C CNN + 1 10550 3000 + 0 1 1 0 +$EndComp +Text GLabel 10800 3000 2 50 Output ~ 0 +UHF_IN +Wire Wire Line + 9500 3000 10400 3000 +Connection ~ 9500 3000 +Wire Wire Line + 9500 3000 9500 2800 +Wire Wire Line + 10700 3000 10800 3000 +Text Notes 9900 3200 0 50 ~ 0 +For optional link to SK3 circuit. +$EndSCHEMATC diff -r 000000000000 -r 0ce4ad07bb61 bc183.dcm --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc183.dcm Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,9 @@ +EESchema-DOCLIB Version 2.0 +# +$CMP BC183 +D 100mA Ic, 30V Vce, Epitaxial Silicon NPN Transistor, TO-92 +K Epitaxial Silicon NPN Transistor +F https://www.futurlec.com/Transistors/BC182L.shtml +$ENDCMP +# +#End Doc Library diff -r 000000000000 -r 0ce4ad07bb61 bc183.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc183.lib Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,27 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# BC183 +# +DEF BC183 Q 0 0 Y N 1 F N +F0 "Q" 200 75 50 H V L CNN +F1 "BC183" 200 0 50 H V L CNN +F2 "Package_TO_SOT_THT:TO-92_Inline" 200 -75 50 H I L CIN +F3 "" 0 0 50 H I L CNN +$FPLIST + TO?92* +$ENDFPLIST +DRAW +C 50 0 111 0 1 10 N +P 2 0 1 0 0 0 25 0 N +P 2 0 1 0 25 25 100 100 N +P 3 0 1 0 25 -25 100 -100 100 -100 N +P 3 0 1 20 25 75 25 -75 25 -75 N +P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F +X C 1 100 200 100 D 50 50 1 1 P +X B 2 -200 0 200 R 50 50 1 1 I +X E 3 100 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff -r 000000000000 -r 0ce4ad07bb61 bc213.dcm --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc213.dcm Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,9 @@ +EESchema-DOCLIB Version 2.0 +# +$CMP BC213 +D 100mA Ic, 30V Vce, Epitaxial Silicon PNP Transistor, TO-92 +K Epitaxial Silicon PNP Transistor +F https://www.futurlec.com/Transistors/BC213L.shtml +$ENDCMP +# +#End Doc Library diff -r 000000000000 -r 0ce4ad07bb61 bc213.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc213.lib Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,27 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# BC213 +# +DEF BC213 Q 0 0 Y N 1 F N +F0 "Q" 200 75 50 H V L CNN +F1 "BC213" 200 0 50 H V L CNN +F2 "Package_TO_SOT_THT:TO-92_Inline" 200 -75 50 H I L CIN +F3 "" 0 0 50 H I L CNN +$FPLIST + TO?92* +$ENDFPLIST +DRAW +C 50 0 111 0 1 10 N +P 2 0 1 0 0 0 25 0 N +P 2 0 1 0 100 -100 25 -25 N +P 2 0 1 0 100 100 25 25 N +P 3 0 1 20 25 75 25 -75 25 -75 F +P 5 0 1 0 55 -75 75 -55 35 -35 55 -75 55 -75 F +X C 1 100 200 100 D 50 50 1 1 P +X B 2 -200 0 200 R 50 50 1 1 I +X E 3 100 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff -r 000000000000 -r 0ce4ad07bb61 bc239.dcm --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc239.dcm Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,9 @@ +EESchema-DOCLIB Version 2.0 +# +$CMP BC239 +D 100mA Ic, 25V Vce, Epitaxial Silicon NPN Transistor, TO-92 +K Epitaxial Silicon NPN Transistor +F https://www.futurlec.com/Transistors/BC239.shtml +$ENDCMP +# +#End Doc Library diff -r 000000000000 -r 0ce4ad07bb61 bc239.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc239.lib Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,27 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# BC239 +# +DEF BC239 Q 0 0 Y N 1 F N +F0 "Q" 200 75 50 H V L CNN +F1 "BC239" 200 0 50 H V L CNN +F2 "Package_TO_SOT_THT:TO-92_Inline" 200 -75 50 H I L CIN +F3 "" 0 0 50 H I L CNN +$FPLIST + TO?92* +$ENDFPLIST +DRAW +C 50 0 111 0 1 10 N +P 2 0 1 0 0 0 25 0 N +P 2 0 1 0 25 25 100 100 N +P 3 0 1 0 25 -25 100 -100 100 -100 N +P 3 0 1 20 25 75 25 -75 25 -75 N +P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F +X C 1 100 200 100 D 50 50 1 1 P +X B 2 -200 0 200 R 50 50 1 1 I +X E 3 100 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff -r 000000000000 -r 0ce4ad07bb61 bc309.dcm --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc309.dcm Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,9 @@ +EESchema-DOCLIB Version 2.0 +# +$CMP BC309 +D 100mA Ic, 25V Vce, Epitaxial Silicon PNP Transistor, TO-92 +K Epitaxial Silicon PNP Transistor +F https://www.futurlec.com/Transistors/BC309.shtml +$ENDCMP +# +#End Doc Library diff -r 000000000000 -r 0ce4ad07bb61 bc309.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bc309.lib Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,27 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# BC309 +# +DEF BC309 Q 0 0 Y N 1 F N +F0 "Q" 200 75 50 H V L CNN +F1 "BC309" 200 0 50 H V L CNN +F2 "Package_TO_SOT_THT:TO-92_Inline" 200 -75 50 H I L CIN +F3 "" 0 0 50 H I L CNN +$FPLIST + TO?92* +$ENDFPLIST +DRAW +C 50 0 111 0 1 10 N +P 2 0 1 0 0 0 25 0 N +P 2 0 1 0 100 -100 25 -25 N +P 2 0 1 0 100 100 25 25 N +P 3 0 1 20 25 75 25 -75 25 -75 F +P 5 0 1 0 55 -75 75 -55 35 -35 55 -75 55 -75 F +X C 1 100 200 100 D 50 50 1 1 P +X B 2 -200 0 200 R 50 50 1 1 I +X E 3 100 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff -r 000000000000 -r 0ce4ad07bb61 cassette.sch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cassette.sch Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,940 @@ +EESchema Schematic File Version 4 +LIBS:AcornElectronMainboard-cache +EELAYER 26 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 4 9 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L bc239:BC239 Q? +U 1 1 624E7EDE +P 3200 5100 +AR Path="/624E7EDE" Ref="Q?" Part="1" +AR Path="/624B50A6/624E7EDE" Ref="Q2" Part="1" +F 0 "Q2" V 3528 5100 50 0000 C CNN +F 1 "BC239" V 3437 5100 50 0000 C CNN +F 2 "Package_TO_SOT_THT:TO-92_Inline" H 3400 5025 50 0001 L CIN +F 3 "https://www.futurlec.com/Transistors/BC239.shtml" H 3200 5100 50 0001 L CNN + 1 3200 5100 + 0 -1 -1 0 +$EndComp +$Comp +L bc239:BC239 Q? +U 1 1 624E7EE5 +P 3600 4700 +AR Path="/624E7EE5" Ref="Q?" Part="1" +AR Path="/624B50A6/624E7EE5" Ref="Q1" Part="1" +F 0 "Q1" V 3928 4700 50 0000 C CNN +F 1 "BC239" V 3837 4700 50 0000 C CNN +F 2 "Package_TO_SOT_THT:TO-92_Inline" H 3800 4625 50 0001 L CIN +F 3 "https://www.futurlec.com/Transistors/BC239.shtml" H 3600 4700 50 0001 L CNN + 1 3600 4700 + 0 1 -1 0 +$EndComp +$Comp +L Device:D D? +U 1 1 624E7EEC +P 2400 5750 +AR Path="/624E7EEC" Ref="D?" Part="1" +AR Path="/624B50A6/624E7EEC" Ref="D8" Part="1" +F 0 "D8" V 2354 5829 50 0000 L CNN +F 1 "D" V 2445 5829 50 0000 L CNN +F 2 "" H 2400 5750 50 0001 C CNN +F 3 "~" H 2400 5750 50 0001 C CNN + 1 2400 5750 + 0 1 1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 624E7EF3 +P 3000 5750 +AR Path="/624E7EF3" Ref="R?" Part="1" +AR Path="/624B50A6/624E7EF3" Ref="R8" Part="1" +F 0 "R8" H 3070 5796 50 0000 L CNN +F 1 "3300R" H 3070 5705 50 0000 L CNN +F 2 "" V 2930 5750 50 0001 C CNN +F 3 "~" H 3000 5750 50 0001 C CNN + 1 3000 5750 + 1 0 0 -1 +$EndComp +$Comp +L Device:CP C? +U 1 1 624E7EFA +P 2650 5500 +AR Path="/624E7EFA" Ref="C?" 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Part="1" +AR Path="/624B50A6/62648056" Ref="R23" Part="1" +F 0 "R23" V 5743 1700 50 0000 C CNN +F 1 "100000R" V 5834 1700 50 0000 C CNN +F 2 "" V 5880 1700 50 0001 C CNN +F 3 "~" H 5950 1700 50 0001 C CNN + 1 5950 1700 + 0 1 1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 626480EE +P 4550 1700 +AR Path="/626480EE" Ref="R?" Part="1" +AR Path="/624B50A6/626480EE" Ref="R73" Part="1" +F 0 "R73" V 4343 1700 50 0000 C CNN +F 1 "10000R" V 4434 1700 50 0000 C CNN +F 2 "" V 4480 1700 50 0001 C CNN +F 3 "~" H 4550 1700 50 0001 C CNN + 1 4550 1700 + 0 1 1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 62648C29 +P 6900 2050 +AR Path="/62648C29" Ref="R?" Part="1" +AR Path="/624B50A6/62648C29" Ref="R28" Part="1" +F 0 "R28" H 6850 2000 50 0000 R CNN +F 1 "10000R" H 6850 2100 50 0000 R CNN +F 2 "" V 6830 2050 50 0001 C CNN +F 3 "~" H 6900 2050 50 0001 C CNN + 1 6900 2050 + -1 0 0 1 +$EndComp +$Comp +L Device:C C15 +U 1 1 62649188 +P 6400 2050 +F 0 "C15" H 6285 2004 50 0000 R CNN +F 1 "2.2nF" H 6285 2095 50 0000 R CNN +F 2 "" H 6438 1900 50 0001 C CNN +F 3 "~" H 6400 2050 50 0001 C CNN + 1 6400 2050 + -1 0 0 1 +$EndComp +Wire Wire Line + 7500 1700 6900 1700 +Wire Wire Line + 6400 1900 6400 1700 +Connection ~ 6400 1700 +Wire Wire Line + 6400 1700 6100 1700 +Wire Wire Line + 6900 1900 6900 1700 +Connection ~ 6900 1700 +Wire Wire Line + 6900 1700 6400 1700 +Text GLabel 6900 2300 3 50 Input ~ 0 +0V +Text GLabel 6400 2300 3 50 Input ~ 0 +0V +Wire Wire Line + 6400 2300 6400 2200 +Wire Wire Line + 6900 2300 6900 2200 +Wire Wire Line + 4700 1700 5800 1700 +Wire Wire Line + 2200 1700 4100 1700 +Text GLabel 2200 1700 0 50 Input ~ 0 +CASSETTE_OUTPUT +$Comp +L Device:D D? +U 1 1 6265BC8F +P 4100 2050 +AR Path="/6265BC8F" Ref="D?" Part="1" +AR Path="/624B50A6/6265BC8F" Ref="D9" Part="1" +F 0 "D9" V 4054 2129 50 0000 L CNN +F 1 "D" V 4145 2129 50 0000 L CNN +F 2 "" H 4100 2050 50 0001 C CNN +F 3 "~" H 4100 2050 50 0001 C CNN + 1 4100 2050 + 0 1 1 0 +$EndComp +Text GLabel 4100 2300 3 50 Input ~ 0 +0V +Wire Wire Line + 4100 2300 4100 2200 +Wire Wire Line + 4100 1900 4100 1700 +Connection ~ 4100 1700 +Wire Wire Line + 4100 1700 4400 1700 +Text GLabel 2200 2800 0 50 BiDi ~ 0 +CASSETTE_RC +Text GLabel 2200 3600 0 50 Input ~ 0 +CASSETTE_MOTOR +$Comp +L Device:R R? +U 1 1 61DC7286 +P 2800 2550 +AR Path="/61DC7286" Ref="R?" Part="1" +AR Path="/624B50A6/61DC7286" Ref="R56" Part="1" +F 0 "R56" H 2750 2500 50 0000 R CNN +F 1 "56000R" H 2750 2600 50 0000 R CNN +F 2 "" V 2730 2550 50 0001 C CNN +F 3 "~" H 2800 2550 50 0001 C CNN + 1 2800 2550 + -1 0 0 1 +$EndComp +Text GLabel 2800 2300 1 50 Input ~ 0 +5V +$Comp +L Device:C C8 +U 1 1 61DC7D6C +P 2800 3050 +F 0 "C8" H 2685 3004 50 0000 R CNN +F 1 "1µF" H 2685 3095 50 0000 R CNN +F 2 "" H 2838 2900 50 0001 C CNN +F 3 "~" H 2800 3050 50 0001 C CNN + 1 2800 3050 + -1 0 0 1 +$EndComp +$Comp +L Device:D D? +U 1 1 61DC7F00 +P 2500 3350 +AR Path="/61DC7F00" Ref="D?" Part="1" +AR Path="/624B50A6/61DC7F00" Ref="D5" Part="1" +F 0 "D5" V 2550 3450 50 0000 L CNN +F 1 "D" V 2450 3450 50 0000 L CNN +F 2 "" H 2500 3350 50 0001 C CNN +F 3 "~" H 2500 3350 50 0001 C CNN + 1 2500 3350 + 0 -1 -1 0 +$EndComp +Wire Wire Line + 2800 2900 2800 2800 +Wire Wire Line + 2800 2800 2500 2800 +Connection ~ 2800 2800 +Wire Wire Line + 2800 2800 2800 2700 +Wire Wire Line + 2500 2800 2500 3200 +Connection ~ 2500 2800 +Wire Wire Line + 2500 2800 2200 2800 +Wire Wire Line + 2200 3600 2500 3600 +Wire Wire Line + 2500 3600 2500 3500 +Text GLabel 2800 3300 3 50 Input ~ 0 +0V +Wire Wire Line + 2800 3300 2800 3200 +Wire Wire Line + 2800 2400 2800 2300 +$Comp +L Device:R R? +U 1 1 61DEAEDE +P 5950 3600 +AR Path="/61DEAEDE" Ref="R?" Part="1" +AR Path="/624B50A6/61DEAEDE" Ref="R24" Part="1" +F 0 "R24" V 5743 3600 50 0000 C CNN +F 1 "2200R" V 5834 3600 50 0000 C CNN +F 2 "" V 5880 3600 50 0001 C CNN +F 3 "~" H 5950 3600 50 0001 C CNN + 1 5950 3600 + 0 1 1 0 +$EndComp +$Comp +L bc239:BC239 Q? +U 1 1 61DEB6DF +P 6500 3600 +AR Path="/61DEB6DF" Ref="Q?" Part="1" +AR Path="/624B50A6/61DEB6DF" Ref="Q?" Part="1" +F 0 "Q?" H 6800 3650 50 0000 C CNN +F 1 "BC239" H 6800 3550 50 0000 C CNN +F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6700 3525 50 0001 L CIN +F 3 "https://www.futurlec.com/Transistors/BC239.shtml" H 6500 3600 50 0001 L CNN + 1 6500 3600 + 1 0 0 -1 +$EndComp +Text GLabel 6600 3900 3 50 Input ~ 0 +0V +Wire Wire Line + 6600 3900 6600 3800 +Wire Wire Line + 6300 3600 6100 3600 +Wire Wire Line + 5800 3600 2500 3600 +Connection ~ 2500 3600 +$Comp +L Relay:UMS05-1A80-75L RL1 +U 1 1 61DF6BB2 +P 7500 3400 +F 0 "RL1" V 6933 3400 50 0000 C CNN +F 1 "UMS05-1A80-75L" V 7024 3400 50 0000 C CNN +F 2 "Relay_THT:Relay_StandexMeder_UMS" H 7800 3350 50 0001 L CNN +F 3 "https://standexelectronics.com/de/produkte/ums-reed-relais/" H 7500 3400 50 0001 C CNN + 1 7500 3400 + 0 1 1 0 +$EndComp +Text Notes 7800 3450 0 50 ~ 0 +Need more accurate part with\npins 3 and 5 as the switch pins. +$Comp +L Device:D D4 +U 1 1 61DFA90A +P 7450 2700 +F 0 "D4" H 7450 2484 50 0000 C CNN +F 1 "D" H 7450 2575 50 0000 C CNN +F 2 "" H 7450 2700 50 0001 C CNN +F 3 "~" H 7450 2700 50 0001 C CNN + 1 7450 2700 + -1 0 0 1 +$EndComp +Text GLabel 8200 2500 1 50 Input ~ 0 +5V +Wire Wire Line + 7800 3200 8200 3200 +Wire Wire Line + 8200 3200 8200 2700 +Wire Wire Line + 7200 3600 7200 3700 +Wire Wire Line + 7200 3700 10000 3700 +Wire Wire Line + 10000 3700 10000 2000 +Wire Wire Line + 9400 2000 9400 3600 +Wire Wire Line + 9400 3600 7800 3600 +Wire Wire Line + 7600 2700 8200 2700 +Connection ~ 8200 2700 +Wire Wire Line + 8200 2700 8200 2500 +Wire Wire Line + 6600 3400 6600 3200 +Wire Wire Line + 6600 3200 7200 3200 +Wire Wire Line + 7300 2700 6600 2700 +Wire Wire Line + 6600 2700 6600 3200 +Connection ~ 6600 3200 +Text Notes 2200 2600 2 50 ~ 0 +The RC circuit is apparently used\n"to detect a continuous period\nof high tone on the cassette input". +$EndSCHEMATC diff -r 000000000000 -r 0ce4ad07bb61 clocks.sch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/clocks.sch Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,453 @@ +EESchema Schematic File Version 4 +LIBS:AcornElectronMainboard-cache +EELAYER 26 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 2 9 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Device:R R? +U 1 1 61DF6407 +P 2000 2900 +AR Path="/61DF6407" Ref="R?" Part="1" +AR Path="/61DF4BC2/61DF6407" Ref="R3" Part="1" +F 0 "R3" V 1793 2900 50 0000 C CNN +F 1 "330R" V 1884 2900 50 0000 C CNN +F 2 "" V 1930 2900 50 0001 C CNN +F 3 "~" H 2000 2900 50 0001 C CNN + 1 2000 2900 + 0 1 1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 61DF640E +P 2900 2900 +AR Path="/61DF640E" Ref="R?" Part="1" +AR Path="/61DF4BC2/61DF640E" Ref="R4" Part="1" +F 0 "R4" V 2693 2900 50 0000 C CNN +F 1 "330R" V 2784 2900 50 0000 C CNN +F 2 "" V 2830 2900 50 0001 C CNN +F 3 "~" H 2900 2900 50 0001 C CNN + 1 2900 2900 + 0 1 1 0 +$EndComp +$Comp +L Device:Crystal X? +U 1 1 61DF6415 +P 2450 2600 +AR Path="/61DF6415" Ref="X?" Part="1" +AR Path="/61DF4BC2/61DF6415" Ref="X2" Part="1" +F 0 "X2" H 2450 2868 50 0000 C CNN +F 1 "17.7345MHz" H 2450 2777 50 0000 C CNN +F 2 "" H 2450 2600 50 0001 C CNN +F 3 "~" H 2450 2600 50 0001 C CNN + 1 2450 2600 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS04 IC? +U 1 1 61DF641C +P 2000 3400 +AR Path="/61DF641C" Ref="IC?" Part="1" +AR Path="/61DF4BC2/61DF641C" Ref="IC8" Part="1" +F 0 "IC8" H 2000 3717 50 0000 C CNN +F 1 "74LS04" H 2000 3626 50 0000 C CNN +F 2 "" H 2000 3400 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 2000 3400 50 0001 C CNN + 1 2000 3400 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS04 IC? +U 2 1 61DF6423 +P 2900 3400 +AR Path="/61DF6423" Ref="IC?" Part="2" +AR Path="/61DF4BC2/61DF6423" Ref="IC8" Part="2" +F 0 "IC8" H 2900 3717 50 0000 C CNN +F 1 "74LS04" H 2900 3626 50 0000 C CNN +F 2 "" H 2900 3400 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 2900 3400 50 0001 C CNN + 2 2900 3400 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS04 IC? +U 3 1 61DF642A +P 3500 3400 +AR Path="/61DF642A" Ref="IC?" Part="3" +AR Path="/61DF4BC2/61DF642A" Ref="IC8" Part="3" +F 0 "IC8" H 3500 3717 50 0000 C CNN +F 1 "74LS04" H 3500 3626 50 0000 C CNN +F 2 "" H 3500 3400 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 3500 3400 50 0001 C CNN + 3 3500 3400 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C? +U 1 1 61DF6431 +P 2450 3400 +AR Path="/61DF6431" Ref="C?" Part="1" +AR Path="/61DF4BC2/61DF6431" Ref="C5" Part="1" +F 0 "C5" V 2198 3400 50 0000 C CNN +F 1 "100pF" V 2289 3400 50 0000 C CNN +F 2 "" H 2488 3250 50 0001 C CNN +F 3 "~" H 2450 3400 50 0001 C CNN + 1 2450 3400 + 0 1 1 0 +$EndComp +$Comp +L Device:C C? +U 1 1 61DF6438 +P 3500 2600 +AR Path="/61DF6438" Ref="C?" Part="1" +AR Path="/61DF4BC2/61DF6438" Ref="C6" Part="1" +F 0 "C6" V 3248 2600 50 0000 C CNN +F 1 "33pF" V 3339 2600 50 0000 C CNN +F 2 "" H 3538 2450 50 0001 C CNN +F 3 "~" H 3500 2600 50 0001 C CNN + 1 3500 2600 + 0 1 1 0 +$EndComp +Wire Wire Line + 1700 3400 1700 2900 +Wire Wire Line + 1700 2600 2300 2600 +Wire Wire Line + 1700 2900 1850 2900 +Connection ~ 1700 2900 +Wire Wire Line + 1700 2900 1700 2600 +Wire Wire Line + 2300 3400 2300 2900 +Wire Wire Line + 2300 2900 2150 2900 +Connection ~ 2300 3400 +Wire Wire Line + 2600 3400 2600 2900 +Wire Wire Line + 2600 2900 2750 2900 +Connection ~ 2600 3400 +Wire Wire Line + 3050 2900 3200 2900 +Wire Wire Line + 3200 2900 3200 3400 +Connection ~ 3200 3400 +Wire Wire Line + 3200 2900 3200 2600 +Wire Wire Line + 3200 2600 2600 2600 +Connection ~ 3200 2900 +Wire Wire Line + 3200 2600 3350 2600 +Connection ~ 3200 2600 +Text GLabel 3750 2600 2 50 Input ~ 0 +0V +Wire Wire Line + 3750 2600 3650 2600 +Wire Wire Line + 3800 3400 3900 3400 +Text GLabel 3900 3400 2 50 Output ~ 0 +CLOCK_VIDEO +$Comp +L Device:R R? +U 1 1 61EEF884 +P 2000 1300 +AR Path="/61EEF884" Ref="R?" Part="1" +AR Path="/61DF4BC2/61EEF884" Ref="R1" Part="1" +F 0 "R1" V 1793 1300 50 0000 C CNN +F 1 "330R" V 1884 1300 50 0000 C CNN +F 2 "" V 1930 1300 50 0001 C CNN +F 3 "~" H 2000 1300 50 0001 C CNN + 1 2000 1300 + 0 1 1 0 +$EndComp +$Comp +L Device:R R? +U 1 1 61EEF88B +P 2900 1300 +AR Path="/61EEF88B" Ref="R?" Part="1" +AR Path="/61DF4BC2/61EEF88B" Ref="R2" Part="1" +F 0 "R2" V 2693 1300 50 0000 C CNN +F 1 "330R" V 2784 1300 50 0000 C CNN +F 2 "" V 2830 1300 50 0001 C CNN +F 3 "~" H 2900 1300 50 0001 C CNN + 1 2900 1300 + 0 1 1 0 +$EndComp +$Comp +L Device:Crystal X? +U 1 1 61EEF892 +P 2450 1000 +AR Path="/61EEF892" Ref="X?" Part="1" +AR Path="/61DF4BC2/61EEF892" Ref="X1" Part="1" +F 0 "X1" H 2450 1268 50 0000 C CNN +F 1 "16MHz" H 2450 1177 50 0000 C CNN +F 2 "" H 2450 1000 50 0001 C CNN +F 3 "~" H 2450 1000 50 0001 C CNN + 1 2450 1000 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS04 IC? +U 6 1 61EEF899 +P 2000 1800 +AR Path="/61EEF899" Ref="IC?" Part="6" +AR Path="/61DF4BC2/61EEF899" Ref="IC8" Part="6" +F 0 "IC8" H 2000 2117 50 0000 C CNN +F 1 "74LS04" H 2000 2026 50 0000 C CNN +F 2 "" H 2000 1800 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 2000 1800 50 0001 C CNN + 6 2000 1800 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS04 IC? +U 5 1 61EEF8A0 +P 2900 1800 +AR Path="/61EEF8A0" Ref="IC?" Part="5" +AR Path="/61DF4BC2/61EEF8A0" Ref="IC8" Part="5" +F 0 "IC8" H 2900 2117 50 0000 C CNN +F 1 "74LS04" H 2900 2026 50 0000 C CNN +F 2 "" H 2900 1800 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 2900 1800 50 0001 C CNN + 5 2900 1800 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74LS04 IC? +U 4 1 61EEF8A7 +P 3500 1800 +AR Path="/61EEF8A7" Ref="IC?" Part="4" +AR Path="/61DF4BC2/61EEF8A7" Ref="IC8" Part="4" +F 0 "IC8" H 3500 2117 50 0000 C CNN +F 1 "74LS04" H 3500 2026 50 0000 C CNN +F 2 "" H 3500 1800 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 3500 1800 50 0001 C CNN + 4 3500 1800 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C? +U 1 1 61EEF8AE +P 2450 1800 +AR Path="/61EEF8AE" Ref="C?" Part="1" +AR Path="/61DF4BC2/61EEF8AE" Ref="C3" Part="1" +F 0 "C3" V 2198 1800 50 0000 C CNN +F 1 "100pF" V 2289 1800 50 0000 C CNN +F 2 "" H 2488 1650 50 0001 C CNN +F 3 "~" H 2450 1800 50 0001 C CNN + 1 2450 1800 + 0 1 1 0 +$EndComp +$Comp +L Device:C C? +U 1 1 61EEF8B5 +P 3500 1000 +AR Path="/61EEF8B5" Ref="C?" Part="1" +AR Path="/61DF4BC2/61EEF8B5" Ref="C4" Part="1" +F 0 "C4" V 3248 1000 50 0000 C CNN +F 1 "33pF" V 3339 1000 50 0000 C CNN +F 2 "" H 3538 850 50 0001 C CNN +F 3 "~" H 3500 1000 50 0001 C CNN + 1 3500 1000 + 0 1 1 0 +$EndComp +Wire Wire Line + 1700 1800 1700 1300 +Wire Wire Line + 1700 1000 2300 1000 +Wire Wire Line + 1700 1300 1850 1300 +Connection ~ 1700 1300 +Wire Wire Line + 1700 1300 1700 1000 +Wire Wire Line + 2300 1800 2300 1300 +Wire Wire Line + 2300 1300 2150 1300 +Connection ~ 2300 1800 +Wire Wire Line + 2600 1800 2600 1300 +Wire Wire Line + 2600 1300 2750 1300 +Connection ~ 2600 1800 +Wire Wire Line + 3050 1300 3200 1300 +Wire Wire Line + 3200 1300 3200 1800 +Connection ~ 3200 1800 +Wire Wire Line + 3200 1300 3200 1000 +Wire Wire Line + 3200 1000 2600 1000 +Connection ~ 3200 1300 +Wire Wire Line + 3200 1000 3350 1000 +Connection ~ 3200 1000 +Text GLabel 3750 1000 2 50 Input ~ 0 +0V +Wire Wire Line + 3750 1000 3650 1000 +Wire Wire Line + 3800 1800 4100 1800 +Text Notes 1600 1300 2 50 ~ 0 +Service Manual indicates\n820R values.\nIssue 4 board suggests\ngrey, red, brown, gold. +Text GLabel 5700 1100 2 50 Output ~ 0 +CLOCK_16MHz +$Comp +L 74xx:74LS163 IC? +U 1 1 61F9FB39 +P 6500 2700 +AR Path="/61F9FB39" Ref="IC?" Part="1" +AR Path="/61DF4BC2/61F9FB39" Ref="IC9" Part="1" +F 0 "IC9" H 6200 3600 50 0000 C CNN +F 1 "74LS163" H 6200 3500 50 0000 C CNN +F 2 "" H 6500 2700 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS169" H 6500 2700 50 0001 C CNN + 1 6500 2700 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5900 2500 5900 2400 +Wire Wire Line + 5900 2400 6000 2400 +Wire Wire Line + 5900 2500 6000 2500 +Wire Wire Line + 7000 2500 7200 2500 +Text GLabel 6500 3650 3 50 Input ~ 0 +0V +Wire Wire Line + 6500 3650 6500 3500 +Text GLabel 6500 1800 1 50 Input ~ 0 +5V +Wire Wire Line + 6500 1900 6500 1800 +Wire Wire Line + 4100 3000 6000 3000 +Text GLabel 5800 3200 0 50 Input ~ 0 +0V +NoConn ~ 7000 2300 +NoConn ~ 7000 2200 +NoConn ~ 7000 2700 +Wire Wire Line + 5800 3200 5900 3200 +Wire Wire Line + 5900 2400 5900 2300 +Wire Wire Line + 5900 2300 6000 2300 +Connection ~ 5900 2400 +Wire Wire Line + 5900 2300 5900 2200 +Wire Wire Line + 5900 2200 6000 2200 +Connection ~ 5900 2300 +$Comp +L 74xx:74LS00 U? +U 1 1 61F9FB55 +P 7600 2500 +AR Path="/61F9FB55" Ref="U?" Part="1" +AR Path="/61DF4BC2/61F9FB55" Ref="U?" Part="1" +F 0 "U?" H 7600 2825 50 0000 C CNN +F 1 "74LS00" H 7600 2734 50 0000 C CNN +F 2 "" H 7600 2500 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7600 2500 50 0001 C CNN + 1 7600 2500 + 1 0 0 -1 +$EndComp +Wire Wire Line + 7000 2400 7300 2400 +Wire Wire Line + 7200 2500 7200 2600 +Wire Wire Line + 7200 2600 7300 2600 +Wire Wire Line + 7900 2500 7900 1600 +Wire Wire Line + 7900 1600 5600 1600 +Wire Wire Line + 5600 1600 5600 2700 +Wire Wire Line + 5600 2700 6000 2700 +Wire Wire Line + 5900 2500 5900 2800 +Connection ~ 5900 2500 +Connection ~ 5900 3200 +Wire Wire Line + 5900 3200 6000 3200 +Wire Wire Line + 6000 2800 5900 2800 +Connection ~ 5900 2800 +Wire Wire Line + 5900 2800 5900 2900 +Wire Wire Line + 6000 2900 5900 2900 +Connection ~ 5900 2900 +Wire Wire Line + 5900 2900 5900 3200 +Text Notes 6900 3300 0 50 ~ 0 +Service Manual and issue 4\nuse 74LS169 for IC9. +Wire Wire Line + 4100 3000 4100 1800 +Connection ~ 4100 1800 +Wire Wire Line + 4100 1800 4100 1200 +Text GLabel 8100 2800 2 50 Output ~ 0 +CLOCK_16MHz_DIV_13 +Wire Wire Line + 8100 2800 7200 2800 +Wire Wire Line + 7200 2800 7200 2600 +Connection ~ 7200 2600 +Text Notes 4200 2550 0 50 ~ 0 +Issue 6 boards tend to have\nIC18 (74LS08) fitted for\nsome kind of buffering\nof the clock signal.\n\nWithout it, LK10 is made to\ndeliver the signal directly,\nbut LK10 seems not to be made. +$Comp +L 74xx:74LS08 IC18 +U 3 1 61F98BCB +P 5100 1100 +F 0 "IC18" H 5100 1425 50 0000 C CNN +F 1 "74LS08" H 5100 1334 50 0000 C CNN +F 2 "" H 5100 1100 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 5100 1100 50 0001 C CNN + 3 5100 1100 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4100 1200 4800 1200 +Text GLabel 4700 1000 0 50 Input ~ 0 +BUFFER_ENABLE +Wire Wire Line + 4700 1000 4800 1000 +Wire Wire Line + 5700 1100 5500 1100 +$Comp +L Jumper:Jumper_2_Open LK10 +U 1 1 61F9F418 +P 4500 1800 +F 0 "LK10" H 4500 2035 50 0000 C CNN +F 1 "Disable buffer" H 4500 1944 50 0000 C CNN +F 2 "" H 4500 1800 50 0001 C CNN +F 3 "~" H 4500 1800 50 0001 C CNN + 1 4500 1800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4100 1800 4300 1800 +Wire Wire Line + 4700 1800 5500 1800 +Wire Wire Line + 5500 1800 5500 1100 +Connection ~ 5500 1100 +Wire Wire Line + 5500 1100 5400 1100 +$EndSCHEMATC diff -r 000000000000 -r 0ce4ad07bb61 expansion.sch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/expansion.sch Wed Jan 26 22:13:42 2022 +0100 @@ -0,0 +1,305 @@ +EESchema Schematic File Version 4 +LIBS:AcornElectronMainboard-cache +EELAYER 26 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 6 9 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L AcornElectron:Expansion PL? +U 1 1 61FB81A6 +P 4450 5500 +AR Path="/61FB81A6" Ref="PL?" Part="1" +AR Path="/61FB7D7E/61FB81A6" Ref="PL1" Part="1" +F 0 "PL1" V 4078 4705 50 0000 C CNN +F 1 "Expansion" V 3987 4705 50 0000 C CNN +F 2 "" H 4650 5500 50 0001 C CNN +F 3 "" H 4650 5500 50 0001 C CNN + 1 4450 5500 + 0 -1 -1 0 +$EndComp +Entry Wire Line + 5800 3900 5900 3800 +Entry Wire Line + 5900 3900 6000 3800 +Entry Wire Line + 6000 3900 6100 3800 +Entry Wire Line + 6100 3900 6200 3800 +Entry Wire Line + 6200 3900 6300 3800 +Entry Wire Line + 6300 3900 6400 3800 +Entry Wire Line + 6400 3900 6500 3800 +Entry Wire Line + 6500 3900 6600 3800 +Entry Wire Line + 6600 3900 6700 3800 +Entry Wire Line + 6700 3900 6800 3800 +Entry Wire Line + 6800 3900 6900 3800 +Entry Wire Line + 6900 3900 7000 3800 +Entry Wire Line + 7000 3900 7100 3800 +Entry Wire Line + 7100 3900 7200 3800 +Entry Wire Line + 7200 3900 7300 3800 +Entry Wire Line + 7300 3900 7400 3800 +Wire Wire Line + 5800 5100 5800 3900 +Wire Wire Line + 5900 5100 5900 3900 +Wire Wire Line + 6000 5100 6000 3900 +Wire Wire Line + 6100 5100 6100 3900 +Wire Wire Line + 6200 5100 6200 3900 +Wire Wire Line + 6300 5100 6300 3900 +Wire Wire Line + 6400 5100 6400 3900 +Wire Wire Line + 6500 5100 6500 3900 +Wire Wire Line + 6600 5100 6600 3900 +Wire Wire Line + 6700 5100 6700 3900 +Wire Wire Line + 6800 5100 6800 3900 +Wire Wire Line + 6900 5100 6900 3900 +Wire Wire Line + 7000 5100 7000 3900 +Wire Wire Line + 7100 5100 7100 3900 +Wire Wire Line + 7200 5100 7200 3900 +Wire Wire Line + 7300 5100 7300 3900 +Text Label 6500 5100 1 50 ~ 0 +A0 +Text Label 6600 5100 1 50 ~ 0 +A1 +Text Label 6700 5100 1 50 ~ 0 +A2 +Text Label 6800 5100 1 50 ~ 0 +A3 +Text Label 6900 5100 1 50 ~ 0 +A4 +Text Label 7000 5100 1 50 ~ 0 +A5 +Text Label 7100 5100 1 50 ~ 0 +A6 +Text Label 7200 5100 1 50 ~ 0 +A7 +Text Label 7300 5100 1 50 ~ 0 +A8 +Text Label 6400 5100 1 50 ~ 0 +A9 +Text Label 6300 5100 1 50 ~ 0 +A10 +Text Label 6200 5100 1 50 ~ 0 +A11 +Text Label 6100 5100 1 50 ~ 0 +A12 +Text Label 6000 5100 1 50 ~ 0 +A13 +Text Label 5900 5100 1 50 ~ 0 +A14 +Text Label 5800 5100 1 50 ~ 0 +A15 +Wire Wire Line + 2400 4800 3000 4800 +Wire Wire Line + 3100 4800 3100 5100 +Wire Wire Line + 3000 4800 3000 5100 +Connection ~ 3000 4800 +Wire Wire Line + 3000 4800 3100 4800 +Wire Wire Line + 2400 5000 2800 5000 +Wire Wire Line + 2900 5000 2900 5100 +Wire Wire Line + 2800 5100 2800 5000 +Connection ~ 2800 5000 +Wire Wire Line + 2800 5000 2900 5000 +Text GLabel 3400 4700 1 50 Input ~ 0 +0V +Text GLabel 3200 4700 1 50 Input ~ 0 +-5V +Text GLabel 3600 4700 1 50 Input ~ 0 +5V +Wire Wire Line + 3200 5100 3200 4800 +Wire Wire Line + 3300 5100 3300 4800 +Wire Wire Line + 3300 4800 3200 4800 +Connection ~ 3200 4800 +Wire Wire Line + 3200 4800 3200 4700 +Wire Wire Line + 3400 5100 3400 4800 +Wire Wire Line + 3500 5100 3500 4800 +Wire Wire Line + 3500 4800 3400 4800 +Connection ~ 3400 4800 +Wire Wire Line + 3400 4800 3400 4700 +Wire Wire Line + 3600 5100 3600 4800 +Wire Wire Line + 3700 5100 3700 4800 +Wire Wire Line + 3700 4800 3600 4800 +Connection ~ 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