# HG changeset patch # User Paul Boddie # Date 1643491158 -3600 # Node ID b756a34da1a4ddd268d32b229890acdeb33ad67d # Parent 0ce4ad07bb6131b048d7663361d913cec369a66d Added PL4 and IC17 labels plus notes. diff -r 0ce4ad07bb61 -r b756a34da1a4 AcornElectronMainboard.sch --- a/AcornElectronMainboard.sch Wed Jan 26 22:13:42 2022 +0100 +++ b/AcornElectronMainboard.sch Sat Jan 29 22:19:18 2022 +0100 @@ -435,10 +435,10 @@ Wire Wire Line 2700 8800 2800 8800 $Comp -L Connector_Generic:Conn_01x02 J? +L Connector_Generic:Conn_01x02 PL4 U 1 1 627DA4FF P 1400 10100 -F 0 "J?" H 1320 10317 50 0000 C CNN +F 0 "PL4" H 1320 10317 50 0000 C CNN F 1 "Power" H 1320 10226 50 0000 C CNN F 2 "" H 1400 10100 50 0001 C CNN F 3 "~" H 1400 10100 50 0001 C CNN @@ -817,6 +817,7 @@ BUFFER_ENABLE Wire Wire Line 6100 8400 6200 8400 +Connection ~ 6200 8400 Wire Bus Line 2100 1600 2100 1900 Wire Bus Line @@ -827,5 +828,6 @@ 2100 5400 2100 6100 Wire Bus Line 2100 3800 2100 5300 -Connection ~ 6200 8400 +Text Notes 1400 10500 0 50 ~ 0 +PL4 introduced for the two separate connections\non the original board. $EndSCHEMATC diff -r 0ce4ad07bb61 -r b756a34da1a4 clocks.sch --- a/clocks.sch Wed Jan 26 22:13:42 2022 +0100 +++ b/clocks.sch Sat Jan 29 22:19:18 2022 +0100 @@ -357,8 +357,8 @@ U 1 1 61F9FB55 P 7600 2500 AR Path="/61F9FB55" Ref="U?" Part="1" -AR Path="/61DF4BC2/61F9FB55" Ref="U?" Part="1" -F 0 "U?" H 7600 2825 50 0000 C CNN +AR Path="/61DF4BC2/61F9FB55" Ref="IC17" Part="1" +F 0 "IC17" H 7600 2825 50 0000 C CNN F 1 "74LS00" H 7600 2734 50 0000 C CNN F 2 "" H 7600 2500 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7600 2500 50 0001 C CNN @@ -450,4 +450,25 @@ Connection ~ 5500 1100 Wire Wire Line 5500 1100 5400 1100 +$Comp +L 74xx:74LS00 IC17 +U 5 1 61F8B195 +P 9700 2700 +F 0 "IC17" H 9930 2746 50 0000 L CNN +F 1 "74LS00" H 9930 2655 50 0000 L CNN +F 2 "" H 9700 2700 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 9700 2700 50 0001 C CNN + 5 9700 2700 + 1 0 0 -1 +$EndComp +Text GLabel 9700 2100 1 50 Input ~ 0 +5V +Text GLabel 9700 3300 3 50 Input ~ 0 +0V +Wire Wire Line + 9700 2200 9700 2100 +Wire Wire Line + 9700 3300 9700 3200 +Text Notes 8000 2300 0 50 ~ 0 +IC17 label deduced from schematic. $EndSCHEMATC