AcornElectronMainboard

UHF.sch

18:f1d60a768fbd
2022-07-05 Paul Boddie Added decoupling capacitors for RAM chips and tidied the layout somewhat.
     1 EESchema Schematic File Version 4     2 LIBS:AcornElectronMainboard-cache     3 EELAYER 26 0     4 EELAYER END     5 $Descr A4 11693 8268     6 encoding utf-8     7 Sheet 9 9     8 Title ""     9 Date ""    10 Rev ""    11 Comp ""    12 Comment1 ""    13 Comment2 ""    14 Comment3 ""    15 Comment4 ""    16 $EndDescr    17 Text GLabel 2200 3300 0    50   Input ~ 0    18 BLUE    19 Text GLabel 2200 3100 0    50   Input ~ 0    20 GREEN    21 Text GLabel 2200 2900 0    50   Input ~ 0    22 RED    23 Text GLabel 2400 6500 0    50   Input ~ 0    24 ~HS    25 Text GLabel 1700 5000 0    50   Input ~ 0    26 CLOCK_VIDEO    27 $Comp    28 L 74xx:74LS74 IC11    29 U 2 1 61DD1BE5    30 P 2600 3900    31 AR Path="/61DB955D/61DF7FF4/61DD1BE5" Ref="IC11"  Part="2"     32 AR Path="/62411C42/61DD1BE5" Ref="IC11"  Part="2"     33 F 0 "IC11" H 2800 4300 50  0000 C CNN    34 F 1 "74LS74" H 2800 4200 50  0000 C CNN    35 F 2 "" H 2600 3900 50  0001 C CNN    36 F 3 "74xx/74hc_hct74.pdf" H 2600 3900 50  0001 C CNN    37 	2    2600 3900    38 	1    0    0    -1      39 $EndComp    40 $Comp    41 L 74xx:74LS74 IC11    42 U 1 1 61DD1E84    43 P 3400 5000    44 AR Path="/61DB955D/61DF7FF4/61DD1E84" Ref="IC11"  Part="1"     45 AR Path="/62411C42/61DD1E84" Ref="IC11"  Part="1"     46 F 0 "IC11" H 3600 5400 50  0000 C CNN    47 F 1 "74LS74" H 3600 5300 50  0000 C CNN    48 F 2 "" H 3400 5000 50  0001 C CNN    49 F 3 "74xx/74hc_hct74.pdf" H 3400 5000 50  0001 C CNN    50 	1    3400 5000    51 	1    0    0    -1      52 $EndComp    53 $Comp    54 L 74xx:74LS74 IC12    55 U 3 1 61DD1F0E    56 P 1200 6700    57 AR Path="/61DB955D/61DF7FF4/61DD1F0E" Ref="IC12"  Part="3"     58 AR Path="/62411C42/61DD1F0E" Ref="IC11"  Part="3"     59 F 0 "IC11" H 1430 6746 50  0000 L CNN    60 F 1 "74LS74" H 1430 6655 50  0000 L CNN    61 F 2 "" H 1200 6700 50  0001 C CNN    62 F 3 "74xx/74hc_hct74.pdf" H 1200 6700 50  0001 C CNN    63 	3    1200 6700    64 	1    0    0    -1      65 $EndComp    66 $Comp    67 L 74xx:74LS74 IC12    68 U 1 1 61DD898C    69 P 3100 6500    70 AR Path="/61DB955D/61DF7FF4/61DD898C" Ref="IC12"  Part="1"     71 AR Path="/62411C42/61DD898C" Ref="IC12"  Part="1"     72 F 0 "IC12" H 3300 6900 50  0000 C CNN    73 F 1 "74LS74" H 3300 6800 50  0000 C CNN    74 F 2 "" H 3100 6500 50  0001 C CNN    75 F 3 "74xx/74hc_hct74.pdf" H 3100 6500 50  0001 C CNN    76 	1    3100 6500    77 	1    0    0    -1      78 $EndComp    79 $Comp    80 L 74xx:74LS74 IC12    81 U 2 1 61DD8A0C    82 P 4500 6200    83 AR Path="/61DB955D/61DF7FF4/61DD8A0C" Ref="IC12"  Part="2"     84 AR Path="/62411C42/61DD8A0C" Ref="IC12"  Part="2"     85 F 0 "IC12" H 4700 6600 50  0000 C CNN    86 F 1 "74LS74" H 4700 6500 50  0000 C CNN    87 F 2 "" H 4500 6200 50  0001 C CNN    88 F 3 "74xx/74hc_hct74.pdf" H 4500 6200 50  0001 C CNN    89 	2    4500 6200    90 	1    0    0    -1      91 $EndComp    92 $Comp    93 L 74xx:74LS74 IC11    94 U 3 1 61DD8ABE    95 P 800 5800    96 AR Path="/61DB955D/61DF7FF4/61DD8ABE" Ref="IC11"  Part="3"     97 AR Path="/62411C42/61DD8ABE" Ref="IC12"  Part="3"     98 F 0 "IC12" H 1030 5846 50  0000 L CNN    99 F 1 "74LS74" H 1030 5755 50  0000 L CNN   100 F 2 "" H 800 5800 50  0001 C CNN   101 F 3 "74xx/74hc_hct74.pdf" H 800 5800 50  0001 C CNN   102 	3    800  5800   103 	1    0    0    -1     104 $EndComp   105 Wire Wire Line   106 	1700 5000 1900 5000   107 Wire Wire Line   108 	1900 5000 1900 3900   109 Wire Wire Line   110 	1900 3900 2300 3900   111 Connection ~ 1900 5000   112 Wire Wire Line   113 	1900 5000 3100 5000   114 Wire Wire Line   115 	3700 4900 3800 4900   116 Wire Wire Line   117 	3800 4900 3800 4400   118 Wire Wire Line   119 	3800 4400 2100 4400   120 Wire Wire Line   121 	2100 4400 2100 3800   122 Wire Wire Line   123 	2100 3800 2300 3800   124 Wire Wire Line   125 	2900 4000 3000 4000   126 Wire Wire Line   127 	3000 4000 3000 4900   128 Wire Wire Line   129 	3000 4900 3100 4900   130 Text GLabel 2600 3500 1    50   Input ~ 0   131 5V   132 Text GLabel 3400 4600 1    50   Input ~ 0   133 5V   134 Wire Wire Line   135 	2600 3600 2600 3500   136 Wire Wire Line   137 	3400 4700 3400 4600   138 Text GLabel 2500 4300 0    50   Input ~ 0   139 5V   140 Text GLabel 3300 5400 0    50   Input ~ 0   141 5V   142 Wire Wire Line   143 	2500 4300 2600 4300   144 Wire Wire Line   145 	2600 4300 2600 4200   146 Wire Wire Line   147 	3300 5400 3400 5400   148 Wire Wire Line   149 	3400 5400 3400 5300   150 Wire Wire Line   151 	2400 6500 2600 6500   152 Text GLabel 3100 6100 1    50   Input ~ 0   153 5V   154 Text GLabel 3000 6900 0    50   Input ~ 0   155 5V   156 Wire Wire Line   157 	3100 6200 3100 6100   158 Text GLabel 4500 5800 1    50   Input ~ 0   159 5V   160 Wire Wire Line   161 	4500 5900 4500 5800   162 Text GLabel 4100 5800 1    50   Input ~ 0   163 5V   164 Wire Wire Line   165 	4100 5800 4100 6100   166 Wire Wire Line   167 	4100 6100 4200 6100   168 Wire Wire Line   169 	2600 6500 2600 7100   170 Wire Wire Line   171 	2600 7100 4100 7100   172 Wire Wire Line   173 	4100 6200 4200 6200   174 Connection ~ 2600 6500   175 Wire Wire Line   176 	2600 6500 2800 6500   177 $Comp   178 L 74xx:74LS86 IC14   179 U 1 1 61E1F285   180 P 4300 5200   181 AR Path="/61DB955D/61DF7FF4/61E1F285" Ref="IC14"  Part="1"    182 AR Path="/62411C42/61E1F285" Ref="IC14"  Part="1"    183 F 0 "IC14" H 4300 5525 50  0000 C CNN   184 F 1 "74LS86" H 4300 5434 50  0000 C CNN   185 F 2 "" H 4300 5200 50  0001 C CNN   186 F 3 "74xx/74ls86.pdf" H 4300 5200 50  0001 C CNN   187 	1    4300 5200   188 	1    0    0    -1     189 $EndComp   190 Wire Wire Line   191 	4100 7100 4100 6200   192 Wire Wire Line   193 	3000 6900 3100 6900   194 Wire Wire Line   195 	3100 6900 3100 6800   196 Wire Wire Line   197 	3700 5100 4000 5100   198 Wire Wire Line   199 	3400 6600 3500 6600   200 Wire Wire Line   201 	3500 6600 3500 7000   202 Wire Wire Line   203 	3500 7000 2700 7000   204 Wire Wire Line   205 	2700 7000 2700 6400   206 Wire Wire Line   207 	2700 6400 2800 6400   208 Wire Wire Line   209 	3400 6400 3600 6400   210 Wire Wire Line   211 	3850 5300 4000 5300   212 Text GLabel 1200 6200 1    50   Input ~ 0   213 5V   214 Text GLabel 800  5300 1    50   Input ~ 0   215 5V   216 Text GLabel 1200 7200 3    50   Input ~ 0   217 0V   218 Text GLabel 800  6300 3    50   Input ~ 0   219 0V   220 Wire Wire Line   221 	800  6300 800  6200   222 Wire Wire Line   223 	800  5400 800  5300   224 Wire Wire Line   225 	1200 7200 1200 7100   226 Wire Wire Line   227 	1200 6300 1200 6200   228 $Comp   229 L 74xx:74LS86 IC14   230 U 2 1 61E8C5C6   231 P 5400 5300   232 AR Path="/61DB955D/61DF7FF4/61E8C5C6" Ref="IC14"  Part="2"    233 AR Path="/62411C42/61E8C5C6" Ref="IC14"  Part="2"    234 F 0 "IC14" H 5400 5625 50  0000 C CNN   235 F 1 "74LS86" H 5400 5534 50  0000 C CNN   236 F 2 "" H 5400 5300 50  0001 C CNN   237 F 3 "74xx/74ls86.pdf" H 5400 5300 50  0001 C CNN   238 	2    5400 5300   239 	1    0    0    -1     240 $EndComp   241 $Comp   242 L 74xx:74LS86 IC14   243 U 3 1 61F16770   244 P 5800 3900   245 AR Path="/61DB955D/61DF7FF4/61F16770" Ref="IC14"  Part="3"    246 AR Path="/62411C42/61F16770" Ref="IC14"  Part="3"    247 F 0 "IC14" H 5800 4225 50  0000 C CNN   248 F 1 "74LS86" H 5800 4134 50  0000 C CNN   249 F 2 "" H 5800 3900 50  0001 C CNN   250 F 3 "74xx/74ls86.pdf" H 5800 3900 50  0001 C CNN   251 	3    5800 3900   252 	1    0    0    -1     253 $EndComp   254 $Comp   255 L 74xx:74LS86 IC15   256 U 1 1 61F168AD   257 P 5800 4800   258 AR Path="/61DB955D/61DF7FF4/61F168AD" Ref="IC15"  Part="1"    259 AR Path="/62411C42/61F168AD" Ref="IC15"  Part="1"    260 F 0 "IC15" H 5800 5125 50  0000 C CNN   261 F 1 "74LS86" H 5800 5034 50  0000 C CNN   262 F 2 "" H 5800 4800 50  0001 C CNN   263 F 3 "74xx/74ls86.pdf" H 5800 4800 50  0001 C CNN   264 	1    5800 4800   265 	1    0    0    -1     266 $EndComp   267 $Comp   268 L 74xx:74LS86 IC15   269 U 3 1 61F16A91   270 P 5400 4400   271 AR Path="/61DB955D/61DF7FF4/61F16A91" Ref="IC15"  Part="3"    272 AR Path="/62411C42/61F16A91" Ref="IC15"  Part="3"    273 F 0 "IC15" H 5400 4725 50  0000 C CNN   274 F 1 "74LS86" H 5400 4634 50  0000 C CNN   275 F 2 "" H 5400 4400 50  0001 C CNN   276 F 3 "74xx/74ls86.pdf" H 5400 4400 50  0001 C CNN   277 	3    5400 4400   278 	1    0    0    -1     279 $EndComp   280 $Comp   281 L 74xx:74LS86 IC15   282 U 4 1 61F16CEA   283 P 5400 3500   284 AR Path="/61DB955D/61DF7FF4/61F16CEA" Ref="IC15"  Part="4"    285 AR Path="/62411C42/61F16CEA" Ref="IC15"  Part="4"    286 F 0 "IC15" H 5400 3825 50  0000 C CNN   287 F 1 "74LS86" H 5400 3734 50  0000 C CNN   288 F 2 "" H 5400 3500 50  0001 C CNN   289 F 3 "74xx/74ls86.pdf" H 5400 3500 50  0001 C CNN   290 	4    5400 3500   291 	1    0    0    -1     292 $EndComp   293 $Comp   294 L 74xx:74LS86 IC15   295 U 2 1 61F16E15   296 P 5800 3000   297 AR Path="/61DB955D/61DF7FF4/61F16E15" Ref="IC15"  Part="2"    298 AR Path="/62411C42/61F16E15" Ref="IC15"  Part="2"    299 F 0 "IC15" H 5800 3325 50  0000 C CNN   300 F 1 "74LS86" H 5800 3234 50  0000 C CNN   301 F 2 "" H 5800 3000 50  0001 C CNN   302 F 3 "74xx/74ls86.pdf" H 5800 3000 50  0001 C CNN   303 	2    5800 3000   304 	1    0    0    -1     305 $EndComp   306 Wire Wire Line   307 	2200 2900 3100 2900   308 Wire Wire Line   309 	2200 3100 3300 3100   310 Wire Wire Line   311 	2200 3300 3500 3300   312 Wire Wire Line   313 	5000 3100 5000 3600   314 Wire Wire Line   315 	5000 3600 5100 3600   316 Connection ~ 5000 3100   317 Wire Wire Line   318 	5000 3100 5500 3100   319 Wire Wire Line   320 	5000 3600 5000 4500   321 Wire Wire Line   322 	5000 4500 5100 4500   323 Connection ~ 5000 3600   324 Wire Wire Line   325 	5000 4500 5000 4900   326 Wire Wire Line   327 	5000 4900 5500 4900   328 Connection ~ 5000 4500   329 Wire Wire Line   330 	4600 5200 4700 5200   331 Wire Wire Line   332 	4700 4700 5500 4700   333 Connection ~ 4700 5200   334 Wire Wire Line   335 	4700 5200 4700 4700   336 Wire Wire Line   337 	4900 5400 5100 5400   338 Wire Wire Line   339 	4900 3800 5500 3800   340 Connection ~ 4900 3800   341 Wire Wire Line   342 	4900 3800 4900 5400   343 Wire Wire Line   344 	2900 3800 4800 3800   345 Wire Wire Line   346 	4800 3800 4800 4000   347 Wire Wire Line   348 	4800 4300 5100 4300   349 $Comp   350 L 74xx:74LS86 IC15   351 U 5 1 6205A86B   352 P 800 4350   353 AR Path="/61DB955D/61DF7FF4/6205A86B" Ref="IC15"  Part="5"    354 AR Path="/62411C42/6205A86B" Ref="IC14"  Part="5"    355 F 0 "IC14" H 1030 4396 50  0000 L CNN   356 F 1 "74LS86" H 1030 4305 50  0000 L CNN   357 F 2 "" H 800 4350 50  0001 C CNN   358 F 3 "74xx/74ls86.pdf" H 800 4350 50  0001 C CNN   359 	5    800  4350   360 	1    0    0    -1     361 $EndComp   362 $Comp   363 L 74xx:74LS86 IC14   364 U 5 1 6205ABE4   365 P 1200 3300   366 AR Path="/61DB955D/61DF7FF4/6205ABE4" Ref="IC14"  Part="5"    367 AR Path="/62411C42/6205ABE4" Ref="IC15"  Part="5"    368 F 0 "IC15" H 1430 3346 50  0000 L CNN   369 F 1 "74LS86" H 1430 3255 50  0000 L CNN   370 F 2 "" H 1200 3300 50  0001 C CNN   371 F 3 "74xx/74ls86.pdf" H 1200 3300 50  0001 C CNN   372 	5    1200 3300   373 	1    0    0    -1     374 $EndComp   375 Text GLabel 1200 2700 1    50   Input ~ 0   376 5V   377 Text GLabel 800  3750 1    50   Input ~ 0   378 5V   379 Text GLabel 800  4950 3    50   Input ~ 0   380 0V   381 Text GLabel 1200 3900 3    50   Input ~ 0   382 0V   383 Wire Wire Line   384 	1200 2700 1200 2800   385 Wire Wire Line   386 	1200 3800 1200 3900   387 Wire Wire Line   388 	800  3750 800  3850   389 Wire Wire Line   390 	800  4850 800  4950   391 $Comp   392 L 74xx:74LS00 IC16   393 U 1 1 620777FB   394 P 7100 3500   395 AR Path="/61DB955D/61DF7FF4/620777FB" Ref="IC16"  Part="1"    396 AR Path="/62411C42/620777FB" Ref="IC16"  Part="1"    397 F 0 "IC16" H 7100 3825 50  0000 C CNN   398 F 1 "74LS00" H 7100 3734 50  0000 C CNN   399 F 2 "" H 7100 3500 50  0001 C CNN   400 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7100 3500 50  0001 C CNN   401 	1    7100 3500   402 	1    0    0    -1     403 $EndComp   404 $Comp   405 L 74xx:74LS00 IC16   406 U 2 1 620778C9   407 P 7100 4600   408 AR Path="/61DB955D/61DF7FF4/620778C9" Ref="IC16"  Part="2"    409 AR Path="/62411C42/620778C9" Ref="IC16"  Part="2"    410 F 0 "IC16" H 7100 4925 50  0000 C CNN   411 F 1 "74LS00" H 7100 4834 50  0000 C CNN   412 F 2 "" H 7100 4600 50  0001 C CNN   413 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7100 4600 50  0001 C CNN   414 	2    7100 4600   415 	1    0    0    -1     416 $EndComp   417 $Comp   418 L 74xx:74LS00 IC16   419 U 3 1 62077982   420 P 7500 3000   421 AR Path="/61DB955D/61DF7FF4/62077982" Ref="IC16"  Part="3"    422 AR Path="/62411C42/62077982" Ref="IC16"  Part="3"    423 F 0 "IC16" H 7500 3325 50  0000 C CNN   424 F 1 "74LS00" H 7500 3234 50  0000 C CNN   425 F 2 "" H 7500 3000 50  0001 C CNN   426 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7500 3000 50  0001 C CNN   427 	3    7500 3000   428 	1    0    0    -1     429 $EndComp   430 $Comp   431 L 74xx:74LS00 IC16   432 U 4 1 62077A5C   433 P 7500 3900   434 AR Path="/61DB955D/61DF7FF4/62077A5C" Ref="IC16"  Part="4"    435 AR Path="/62411C42/62077A5C" Ref="IC16"  Part="4"    436 F 0 "IC16" H 7500 4225 50  0000 C CNN   437 F 1 "74LS00" H 7500 4134 50  0000 C CNN   438 F 2 "" H 7500 3900 50  0001 C CNN   439 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7500 3900 50  0001 C CNN   440 	4    7500 3900   441 	1    0    0    -1     442 $EndComp   443 $Comp   444 L 74xx:74LS00 IC10   445 U 2 1 62077B2B   446 P 7100 5500   447 AR Path="/61DB955D/61DF7FF4/62077B2B" Ref="IC10"  Part="2"    448 AR Path="/62411C42/62077B2B" Ref="IC10"  Part="2"    449 F 0 "IC10" H 7100 5825 50  0000 C CNN   450 F 1 "74LS00" H 7100 5734 50  0000 C CNN   451 F 2 "" H 7100 5500 50  0001 C CNN   452 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7100 5500 50  0001 C CNN   453 	2    7100 5500   454 	1    0    0    -1     455 $EndComp   456 $Comp   457 L 74xx:74LS00 IC10   458 U 3 1 62077BED   459 P 7500 5000   460 AR Path="/61DB955D/61DF7FF4/62077BED" Ref="IC10"  Part="3"    461 AR Path="/62411C42/62077BED" Ref="IC10"  Part="3"    462 F 0 "IC10" H 7500 5325 50  0000 C CNN   463 F 1 "74LS00" H 7500 5234 50  0000 C CNN   464 F 2 "" H 7500 5000 50  0001 C CNN   465 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7500 5000 50  0001 C CNN   466 	3    7500 5000   467 	1    0    0    -1     468 $EndComp   469 Wire Wire Line   470 	6100 3000 6600 3000   471 Wire Wire Line   472 	6600 3400 6800 3400   473 Wire Wire Line   474 	6600 4000 7200 4000   475 Wire Wire Line   476 	5700 3500 6500 3500   477 Wire Wire Line   478 	6500 3500 6500 3100   479 Wire Wire Line   480 	6500 3100 7200 3100   481 Wire Wire Line   482 	6500 3500 6500 4200   483 Wire Wire Line   484 	6500 4500 6800 4500   485 Connection ~ 6500 3500   486 Wire Wire Line   487 	6600 3000 6600 3400   488 Connection ~ 6600 3400   489 Wire Wire Line   490 	6600 3400 6600 4000   491 Wire Wire Line   492 	6100 3900 6200 3900   493 Wire Wire Line   494 	6200 3900 6200 2900   495 Wire Wire Line   496 	6200 2900 7200 2900   497 Wire Wire Line   498 	5700 4400 6400 4400   499 Wire Wire Line   500 	6400 4400 6400 3600   501 Wire Wire Line   502 	6400 4400 6400 4900   503 Wire Wire Line   504 	6400 4900 7200 4900   505 Connection ~ 6400 4400   506 Wire Wire Line   507 	6100 4800 6300 4800   508 Wire Wire Line   509 	6300 4800 6300 3800   510 Wire Wire Line   511 	6300 3800 7200 3800   512 Wire Wire Line   513 	5700 5300 6500 5300   514 Wire Wire Line   515 	6500 4700 6800 4700   516 Wire Wire Line   517 	6500 5300 6500 5400   518 Connection ~ 6500 5300   519 Wire Wire Line   520 	6500 5300 6500 4700   521 Wire Wire Line   522 	6600 5100 7200 5100   523 Wire Wire Line   524 	6600 5600 6800 5600   525 Connection ~ 6600 5600   526 Wire Wire Line   527 	6600 5600 6600 5100   528 $Comp   529 L Device:R R50   530 U 1 1 61E6659B   531 P 8150 2500   532 AR Path="/61DB955D/61DF7FF4/61E6659B" Ref="R50"  Part="1"    533 AR Path="/62411C42/61E6659B" Ref="R50"  Part="1"    534 F 0 "R50" V 8050 2500 50  0000 C CNN   535 F 1 "820R" V 8250 2500 50  0000 C CNN   536 F 2 "" V 8080 2500 50  0001 C CNN   537 F 3 "~" H 8150 2500 50  0001 C CNN   538 	1    8150 2500   539 	0    1    1    0      540 $EndComp   541 $Comp   542 L Device:R R51   543 U 1 1 61E66814   544 P 8150 3000   545 AR Path="/61DB955D/61DF7FF4/61E66814" Ref="R51"  Part="1"    546 AR Path="/62411C42/61E66814" Ref="R51"  Part="1"    547 F 0 "R51" V 8050 3000 50  0000 C CNN   548 F 1 "680R" V 8250 3000 50  0000 C CNN   549 F 2 "" V 8080 3000 50  0001 C CNN   550 F 3 "~" H 8150 3000 50  0001 C CNN   551 	1    8150 3000   552 	0    1    1    0      553 $EndComp   554 $Comp   555 L Device:R R52   556 U 1 1 61E669DC   557 P 8150 3500   558 AR Path="/61DB955D/61DF7FF4/61E669DC" Ref="R52"  Part="1"    559 AR Path="/62411C42/61E669DC" Ref="R52"  Part="1"    560 F 0 "R52" V 8050 3500 50  0000 C CNN   561 F 1 "2200R" V 8250 3500 50  0000 C CNN   562 F 2 "" V 8080 3500 50  0001 C CNN   563 F 3 "~" H 8150 3500 50  0001 C CNN   564 	1    8150 3500   565 	0    1    1    0      566 $EndComp   567 $Comp   568 L Device:R R53   569 U 1 1 61E66BAC   570 P 8150 3900   571 AR Path="/61DB955D/61DF7FF4/61E66BAC" Ref="R53"  Part="1"    572 AR Path="/62411C42/61E66BAC" Ref="R53"  Part="1"    573 F 0 "R53" V 8050 3900 50  0000 C CNN   574 F 1 "470R" V 8250 3900 50  0000 C CNN   575 F 2 "" V 8080 3900 50  0001 C CNN   576 F 3 "~" H 8150 3900 50  0001 C CNN   577 	1    8150 3900   578 	0    1    1    0      579 $EndComp   580 $Comp   581 L Device:R R54   582 U 1 1 61E66D82   583 P 7850 4200   584 AR Path="/61DB955D/61DF7FF4/61E66D82" Ref="R54"  Part="1"    585 AR Path="/62411C42/61E66D82" Ref="R54"  Part="1"    586 F 0 "R54" V 7750 4200 50  0000 C CNN   587 F 1 "1200R" V 7950 4200 50  0000 C CNN   588 F 2 "" V 7780 4200 50  0001 C CNN   589 F 3 "~" H 7850 4200 50  0001 C CNN   590 	1    7850 4200   591 	0    1    1    0      592 $EndComp   593 $Comp   594 L Device:R R55   595 U 1 1 61E66F76   596 P 8150 4600   597 AR Path="/61DB955D/61DF7FF4/61E66F76" Ref="R55"  Part="1"    598 AR Path="/62411C42/61E66F76" Ref="R55"  Part="1"    599 F 0 "R55" V 8050 4600 50  0000 C CNN   600 F 1 "3300R" V 8250 4600 50  0000 C CNN   601 F 2 "" V 8080 4600 50  0001 C CNN   602 F 3 "~" H 8150 4600 50  0001 C CNN   603 	1    8150 4600   604 	0    1    1    0      605 $EndComp   606 $Comp   607 L Device:R R56   608 U 1 1 61E6764A   609 P 8150 5000   610 AR Path="/61DB955D/61DF7FF4/61E6764A" Ref="R56"  Part="1"    611 AR Path="/62411C42/61E6764A" Ref="R56"  Part="1"    612 F 0 "R56" V 8050 5000 50  0000 C CNN   613 F 1 "680R" V 8250 5000 50  0000 C CNN   614 F 2 "" V 8080 5000 50  0001 C CNN   615 F 3 "~" H 8150 5000 50  0001 C CNN   616 	1    8150 5000   617 	0    1    1    0      618 $EndComp   619 $Comp   620 L Device:R R57   621 U 1 1 61E677BC   622 P 8150 5500   623 AR Path="/61DB955D/61DF7FF4/61E677BC" Ref="R57"  Part="1"    624 AR Path="/62411C42/61E677BC" Ref="R57"  Part="1"    625 F 0 "R57" V 8050 5500 50  0000 C CNN   626 F 1 "680R" V 8250 5500 50  0000 C CNN   627 F 2 "" V 8080 5500 50  0001 C CNN   628 F 3 "~" H 8150 5500 50  0001 C CNN   629 	1    8150 5500   630 	0    1    1    0      631 $EndComp   632 Wire Wire Line   633 	6600 3000 6900 3000   634 Wire Wire Line   635 	6900 3000 6900 2500   636 Wire Wire Line   637 	6900 2500 8000 2500   638 Connection ~ 6600 3000   639 Wire Wire Line   640 	7800 3000 8000 3000   641 Wire Wire Line   642 	7400 3500 8000 3500   643 Wire Wire Line   644 	7800 3900 8000 3900   645 Connection ~ 6500 4200   646 Wire Wire Line   647 	6500 4200 6500 4500   648 Wire Wire Line   649 	7400 4600 8000 4600   650 Wire Wire Line   651 	7800 5000 8000 5000   652 Wire Wire Line   653 	7400 5500 8000 5500   654 $Comp   655 L Device:L_Core_Iron L1   656 U 1 1 61F1529D   657 P 8850 5500   658 AR Path="/61DB955D/61DF7FF4/61F1529D" Ref="L1"  Part="1"    659 AR Path="/62411C42/61F1529D" Ref="L1"  Part="1"    660 F 0 "L1" V 8672 5500 50  0000 C CNN   661 F 1 "33??H" V 8763 5500 50  0000 C CNN   662 F 2 "" H 8850 5500 50  0001 C CNN   663 F 3 "~" H 8850 5500 50  0001 C CNN   664 	1    8850 5500   665 	0    1    1    0      666 $EndComp   667 Wire Wire Line   668 	8300 5500 8500 5500   669 Wire Wire Line   670 	8300 5000 8500 5000   671 Wire Wire Line   672 	8500 5000 8500 5500   673 Connection ~ 8500 5500   674 Wire Wire Line   675 	8500 5500 8700 5500   676 Wire Wire Line   677 	8300 4600 8500 4600   678 Wire Wire Line   679 	8500 4600 8500 5000   680 Connection ~ 8500 5000   681 Wire Wire Line   682 	8000 4200 8500 4200   683 Wire Wire Line   684 	8500 4200 8500 4600   685 Connection ~ 8500 4600   686 Wire Wire Line   687 	8300 3900 8500 3900   688 Wire Wire Line   689 	8500 3900 8500 4200   690 Connection ~ 8500 4200   691 Wire Wire Line   692 	8300 3500 8500 3500   693 Wire Wire Line   694 	8500 3500 8500 3900   695 Connection ~ 8500 3900   696 Wire Wire Line   697 	8300 3000 8500 3000   698 Wire Wire Line   699 	8500 3000 8500 3500   700 Connection ~ 8500 3500   701 Wire Wire Line   702 	8300 2500 8500 2500   703 Wire Wire Line   704 	8500 2500 8500 3000   705 Connection ~ 8500 3000   706 Wire Wire Line   707 	6500 4200 7700 4200   708 Wire Wire Line   709 	4800 4000 5500 4000   710 Connection ~ 4800 4000   711 Wire Wire Line   712 	4800 4000 4800 4300   713 Wire Wire Line   714 	4900 3300 4900 3400   715 Wire Wire Line   716 	4700 5200 5100 5200   717 Wire Wire Line   718 	4900 3400 5100 3400   719 Connection ~ 4900 3400   720 Wire Wire Line   721 	4900 3400 4900 3800   722 Wire Wire Line   723 	6800 5400 6500 5400   724 Wire Wire Line   725 	6400 3600 6800 3600   726 $Comp   727 L 74xx:74LS00 IC16   728 U 5 1 61E3EA72   729 P 1200 1300   730 AR Path="/61DB955D/61DF7FF4/61E3EA72" Ref="IC16"  Part="5"    731 AR Path="/62411C42/61E3EA72" Ref="IC16"  Part="5"    732 F 0 "IC16" H 1430 1346 50  0000 L CNN   733 F 1 "74LS00" H 1430 1255 50  0000 L CNN   734 F 2 "" H 1200 1300 50  0001 C CNN   735 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 1200 1300 50  0001 C CNN   736 	5    1200 1300   737 	1    0    0    -1     738 $EndComp   739 Text GLabel 1200 1900 3    50   Input ~ 0   740 0V   741 Text GLabel 1200 700  1    50   Input ~ 0   742 5V   743 Wire Wire Line   744 	1200 800  1200 700    745 Wire Wire Line   746 	1200 1900 1200 1800   747 $Comp   748 L 74xx:74LS00 IC10   749 U 5 1 61E9B602   750 P 800 2300   751 AR Path="/61DB955D/61DF7FF4/61E9B602" Ref="IC10"  Part="5"    752 AR Path="/62411C42/61E9B602" Ref="IC10"  Part="5"    753 F 0 "IC10" H 1030 2346 50  0000 L CNN   754 F 1 "74LS00" H 1030 2255 50  0000 L CNN   755 F 2 "" H 800 2300 50  0001 C CNN   756 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 800 2300 50  0001 C CNN   757 	5    800  2300   758 	1    0    0    -1     759 $EndComp   760 Text GLabel 800  2900 3    50   Input ~ 0   761 0V   762 Text GLabel 800  1700 1    50   Input ~ 0   763 5V   764 Wire Wire Line   765 	800  1800 800  1700   766 Wire Wire Line   767 	800  2900 800  2800   768 $Comp   769 L 74xx:74LS00 IC10   770 U 1 1 61EB617E   771 P 6300 6800   772 AR Path="/61DB955D/61DF7FF4/61EB617E" Ref="IC10"  Part="1"    773 AR Path="/62411C42/61EB617E" Ref="IC10"  Part="1"    774 F 0 "IC10" H 6300 6483 50  0000 C CNN   775 F 1 "74LS00" H 6300 6574 50  0000 C CNN   776 F 2 "" H 6300 6800 50  0001 C CNN   777 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6300 6800 50  0001 C CNN   778 	1    6300 6800   779 	-1   0    0    1      780 $EndComp   781 Wire Wire Line   782 	5000 5600 6600 5600   783 $Comp   784 L 74xx:74LS00 IC10   785 U 4 1 61EDEB37   786 P 6400 6200   787 AR Path="/61DB955D/61DF7FF4/61EDEB37" Ref="IC10"  Part="4"    788 AR Path="/62411C42/61EDEB37" Ref="IC10"  Part="4"    789 F 0 "IC10" H 6400 6525 50  0000 C CNN   790 F 1 "74LS00" H 6400 6434 50  0000 C CNN   791 F 2 "" H 6400 6200 50  0001 C CNN   792 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6400 6200 50  0001 C CNN   793 	4    6400 6200   794 	1    0    0    -1     795 $EndComp   796 Wire Wire Line   797 	4800 6100 5000 6100   798 Wire Wire Line   799 	5000 6100 5000 5600   800 Wire Wire Line   801 	6600 6700 6700 6700   802 Wire Wire Line   803 	6800 6700 6800 6200   804 Wire Wire Line   805 	6800 6200 6700 6200   806 Wire Wire Line   807 	6600 6900 6700 6900   808 Wire Wire Line   809 	6700 6900 6700 6700   810 Connection ~ 6700 6700   811 Wire Wire Line   812 	6700 6700 6800 6700   813 $Comp   814 L Device:R R17   815 U 1 1 61F753FB   816 P 5350 6100   817 AR Path="/61DB955D/61DF7FF4/61F753FB" Ref="R17"  Part="1"    818 AR Path="/62411C42/61F753FB" Ref="R17"  Part="1"    819 F 0 "R17" V 5250 6100 50  0000 C CNN   820 F 1 "100R" V 5450 6100 50  0000 C CNN   821 F 2 "" V 5280 6100 50  0001 C CNN   822 F 3 "~" H 5350 6100 50  0001 C CNN   823 	1    5350 6100   824 	0    1    1    0      825 $EndComp   826 Wire Wire Line   827 	4800 6300 5100 6300   828 Wire Wire Line   829 	5100 6300 5100 6100   830 Wire Wire Line   831 	5100 6100 5200 6100   832 $Comp   833 L Device:C C12   834 U 1 1 61F920C4   835 P 5600 6350   836 AR Path="/61DB955D/61DF7FF4/61F920C4" Ref="C12"  Part="1"    837 AR Path="/62411C42/61F920C4" Ref="C12"  Part="1"    838 F 0 "C12" H 5500 6300 50  0000 R CNN   839 F 1 "33nF" H 5500 6400 50  0000 R CNN   840 F 2 "" H 5638 6200 50  0001 C CNN   841 F 3 "~" H 5600 6350 50  0001 C CNN   842 	1    5600 6350   843 	-1   0    0    1      844 $EndComp   845 Text GLabel 5500 6600 0    50   Input ~ 0   846 0V   847 Wire Wire Line   848 	4500 6500 4500 6800   849 Wire Wire Line   850 	4500 6800 6000 6800   851 Wire Wire Line   852 	5500 6600 5600 6600   853 Wire Wire Line   854 	5600 6600 5600 6500   855 Wire Wire Line   856 	5500 6100 5600 6100   857 Wire Wire Line   858 	5600 6100 5600 6200   859 Wire Wire Line   860 	5600 6100 6000 6100   861 Connection ~ 5600 6100   862 Wire Wire Line   863 	6100 6300 6000 6300   864 Wire Wire Line   865 	6000 6300 6000 6100   866 Connection ~ 6000 6100   867 Wire Wire Line   868 	6000 6100 6100 6100   869 $Comp   870 L Device:C C18   871 U 1 1 6205DAF8   872 P 9200 5150   873 AR Path="/61DB955D/61DF7FF4/6205DAF8" Ref="C18"  Part="1"    874 AR Path="/62411C42/6205DAF8" Ref="C18"  Part="1"    875 F 0 "C18" H 9100 5100 50  0000 R CNN   876 F 1 "39pF" H 9100 5200 50  0000 R CNN   877 F 2 "" H 9238 5000 50  0001 C CNN   878 F 3 "~" H 9200 5150 50  0001 C CNN   879 	1    9200 5150   880 	-1   0    0    1      881 $EndComp   882 $Comp   883 L Device:R R38   884 U 1 1 6205DBD8   885 P 9200 4650   886 AR Path="/61DB955D/61DF7FF4/6205DBD8" Ref="R38"  Part="1"    887 AR Path="/62411C42/6205DBD8" Ref="R38"  Part="1"    888 F 0 "R38" H 9270 4696 50  0000 L CNN   889 F 1 "470R" H 9270 4605 50  0000 L CNN   890 F 2 "" V 9130 4650 50  0001 C CNN   891 F 3 "~" H 9200 4650 50  0001 C CNN   892 	1    9200 4650   893 	1    0    0    -1     894 $EndComp   895 $Comp   896 L bc239:BC239 Q7   897 U 1 1 6205DD14   898 P 9200 3700   899 AR Path="/61DB955D/61DF7FF4/6205DD14" Ref="Q7"  Part="1"    900 AR Path="/62411C42/6205DD14" Ref="Q7"  Part="1"    901 F 0 "Q7" V 9528 3700 50  0000 C CNN   902 F 1 "BC239" V 9437 3700 50  0000 C CNN   903 F 2 "Package_TO_SOT_THT:TO-92_Inline" H 9400 3625 50  0001 L CIN   904 F 3 "https://www.futurlec.com/Transistors/BC239.shtml" H 9200 3700 50  0001 L CNN   905 	1    9200 3700   906 	0    -1   -1   0      907 $EndComp   908 Wire Wire Line   909 	9000 5500 9200 5500   910 Wire Wire Line   911 	9200 5500 9200 5300   912 Wire Wire Line   913 	9200 5000 9200 4800   914 Wire Wire Line   915 	9200 4500 9200 4400   916 $Comp   917 L Device:C C21   918 U 1 1 620BD8BB   919 P 9500 2650   920 AR Path="/61DB955D/61DF7FF4/620BD8BB" Ref="C21"  Part="1"    921 AR Path="/62411C42/620BD8BB" Ref="C21"  Part="1"    922 F 0 "C21" H 9600 2600 50  0000 L CNN   923 F 1 "47pF" H 9600 2700 50  0000 L CNN   924 F 2 "" H 9538 2500 50  0001 C CNN   925 F 3 "~" H 9500 2650 50  0001 C CNN   926 	1    9500 2650   927 	-1   0    0    1      928 $EndComp   929 Wire Wire Line   930 	9500 2100 9500 2500   931 Wire Wire Line   932 	9400 3600 9500 3600   933 Wire Wire Line   934 	9500 3600 9500 3500   935 Text GLabel 8900 3500 1    50   Input ~ 0   936 5V   937 Wire Wire Line   938 	9000 3600 8900 3600   939 Wire Wire Line   940 	8900 3600 8900 3500   941 $Comp   942 L Device:R R29   943 U 1 1 620EF7AD   944 P 8700 4150   945 AR Path="/61DB955D/61DF7FF4/620EF7AD" Ref="R29"  Part="1"    946 AR Path="/62411C42/620EF7AD" Ref="R29"  Part="1"    947 F 0 "R29" H 8770 4196 50  0000 L CNN   948 F 1 "120000R" H 8770 4105 50  0000 L CNN   949 F 2 "" V 8630 4150 50  0001 C CNN   950 F 3 "~" H 8700 4150 50  0001 C CNN   951 	1    8700 4150   952 	1    0    0    -1     953 $EndComp   954 Text GLabel 8700 3900 1    50   Input ~ 0   955 5V   956 Wire Wire Line   957 	8700 3900 8700 4000   958 Wire Wire Line   959 	8700 4300 8700 4400   960 Wire Wire Line   961 	8700 4400 9200 4400   962 Connection ~ 9200 4400   963 Wire Wire Line   964 	9200 4400 9200 4300   965 $Comp   966 L Device:R R30   967 U 1 1 62144EE5   968 P 9700 4550   969 AR Path="/61DB955D/61DF7FF4/62144EE5" Ref="R30"  Part="1"    970 AR Path="/62411C42/62144EE5" Ref="R30"  Part="1"    971 F 0 "R30" H 9770 4596 50  0000 L CNN   972 F 1 "120000R" H 9770 4505 50  0000 L CNN   973 F 2 "" V 9630 4550 50  0001 C CNN   974 F 3 "~" H 9700 4550 50  0001 C CNN   975 	1    9700 4550   976 	1    0    0    -1     977 $EndComp   978 Text GLabel 9700 4800 3    50   Input ~ 0   979 0V   980 Wire Wire Line   981 	9700 4800 9700 4700   982 Wire Wire Line   983 	9700 4400 9700 4300   984 Wire Wire Line   985 	9700 4300 9200 4300   986 Connection ~ 9200 4300   987 Wire Wire Line   988 	9200 4300 9200 3900   989 $Comp   990 L Device:R R37   991 U 1 1 621794AB   992 P 9700 3750   993 AR Path="/61DB955D/61DF7FF4/621794AB" Ref="R37"  Part="1"    994 AR Path="/62411C42/621794AB" Ref="R37"  Part="1"    995 F 0 "R37" H 9770 3796 50  0000 L CNN   996 F 1 "1000R" H 9770 3705 50  0000 L CNN   997 F 2 "" V 9630 3750 50  0001 C CNN   998 F 3 "~" H 9700 3750 50  0001 C CNN   999 	1    9700 3750  1000 	1    0    0    -1    1001 $EndComp  1002 Text GLabel 9700 4000 3    50   Input ~ 0  1003 0V  1004 Wire Wire Line  1005 	9700 4000 9700 3900  1006 Wire Wire Line  1007 	9700 3600 9700 3500  1008 Wire Wire Line  1009 	9700 3500 9500 3500  1010 Wire Wire Line  1011 	9500 3500 9500 3300  1012 Connection ~ 9500 3500  1013 Wire Wire Line  1014 	9500 2100 10050 2100  1015 NoConn ~ 10050 2200  1016 $Comp  1017 L Device:R R65  1018 U 1 1 621D44B6  1019 P 9700 1050  1020 AR Path="/61DB955D/61DF7FF4/621D44B6" Ref="R65"  Part="1"   1021 AR Path="/62411C42/621D44B6" Ref="R65"  Part="1"   1022 F 0 "R65" H 9770 1096 50  0000 L CNN  1023 F 1 "10R" H 9770 1005 50  0000 L CNN  1024 F 2 "" V 9630 1050 50  0001 C CNN  1025 F 3 "~" H 9700 1050 50  0001 C CNN  1026 	1    9700 1050  1027 	1    0    0    -1    1028 $EndComp  1029 Wire Wire Line  1030 	10400 1300 9700 1300  1031 Wire Wire Line  1032 	9700 1300 9700 1200  1033 Text GLabel 9700 800  1    50   Input ~ 0  1034 5V  1035 Wire Wire Line  1036 	9700 800  9700 900   1037 $Comp  1038 L Device:CP C23  1039 U 1 1 621F95D7  1040 P 9200 1550  1041 AR Path="/61DB955D/61DF7FF4/621F95D7" Ref="C23"  Part="1"   1042 AR Path="/62411C42/621F95D7" Ref="C23"  Part="1"   1043 F 0 "C23" H 9318 1596 50  0000 L CNN  1044 F 1 "47??F/TANT" H 9318 1505 38  0000 L CNN  1045 F 2 "" H 9238 1400 50  0001 C CNN  1046 F 3 "~" H 9200 1550 50  0001 C CNN  1047 	1    9200 1550  1048 	1    0    0    -1    1049 $EndComp  1050 Text GLabel 9200 1800 3    50   Input ~ 0  1051 0V  1052 Wire Wire Line  1053 	9200 1800 9200 1700  1054 Wire Wire Line  1055 	9200 1400 9200 1300  1056 Wire Wire Line  1057 	9200 1300 9700 1300  1058 Connection ~ 9700 1300  1059 Text GLabel 10500 2700 2    50   Input ~ 0  1060 0V  1061 Wire Wire Line  1062 	10400 2700 10400 2600  1063 Wire Wire Line  1064 	10400 1700 10400 1400  1065 Connection ~ 9500 2100  1066 $Comp  1067 L Device:R R?  1068 U 1 1 61F6CBF3  1069 P 8700 1850  1070 AR Path="/61DB955D/61F6CBF3" Ref="R?"  Part="1"   1071 AR Path="/61DB955D/61DF7FF4/61F6CBF3" Ref="R41"  Part="1"   1072 AR Path="/62411C42/61F6CBF3" Ref="R41"  Part="1"   1073 F 0 "R41" H 8770 1896 50  0000 L CNN  1074 F 1 "1200R" H 8770 1805 50  0000 L CNN  1075 F 2 "" V 8630 1850 50  0001 C CNN  1076 F 3 "~" H 8700 1850 50  0001 C CNN  1077 	1    8700 1850  1078 	1    0    0    -1    1079 $EndComp  1080 $Comp  1081 L Device:R R?  1082 U 1 1 61F6CBFA  1083 P 8800 2350  1084 AR Path="/61DB955D/61F6CBFA" Ref="R?"  Part="1"   1085 AR Path="/61DB955D/61DF7FF4/61F6CBFA" Ref="R42"  Part="1"   1086 AR Path="/62411C42/61F6CBFA" Ref="R42"  Part="1"   1087 F 0 "R42" H 8870 2396 50  0000 L CNN  1088 F 1 "3900R" H 8870 2305 50  0000 L CNN  1089 F 2 "" V 8730 2350 50  0001 C CNN  1090 F 3 "~" H 8800 2350 50  0001 C CNN  1091 	1    8800 2350  1092 	1    0    0    -1    1093 $EndComp  1094 Wire Wire Line  1095 	8700 2000 8700 2100  1096 Wire Wire Line  1097 	8700 2100 8800 2100  1098 Wire Wire Line  1099 	8800 2100 8800 2200  1100 Wire Wire Line  1101 	8700 2100 7700 2100  1102 Connection ~ 8700 2100  1103 Text GLabel 8800 2600 3    50   Input ~ 0  1104 0V  1105 Text GLabel 8700 1600 1    50   Input ~ 0  1106 5V  1107 Wire Wire Line  1108 	8700 1600 8700 1700  1109 Wire Wire Line  1110 	8800 2500 8800 2600  1111 Connection ~ 8800 2100  1112 Wire Wire Line  1113 	8800 2100 9500 2100  1114 $Comp  1115 L Device:R R?  1116 U 1 1 61F9CFEF  1117 P 4750 2800  1118 AR Path="/61DB955D/61F9CFEF" Ref="R?"  Part="1"   1119 AR Path="/61DB955D/61DF7FF4/61F9CFEF" Ref="R14"  Part="1"   1120 AR Path="/62411C42/61F9CFEF" Ref="R14"  Part="1"   1121 F 0 "R14" V 4950 2800 50  0000 C CNN  1122 F 1 "3900R" V 4850 2800 50  0000 C CNN  1123 F 2 "" V 4680 2800 50  0001 C CNN  1124 F 3 "~" H 4750 2800 50  0001 C CNN  1125 	1    4750 2800  1126 	0    -1   -1   0     1127 $EndComp  1128 $Comp  1129 L Device:R R?  1130 U 1 1 61F9CFF6  1131 P 4350 2200  1132 AR Path="/61DB955D/61F9CFF6" Ref="R?"  Part="1"   1133 AR Path="/61DB955D/61DF7FF4/61F9CFF6" Ref="R19"  Part="1"   1134 AR Path="/62411C42/61F9CFF6" Ref="R19"  Part="1"   1135 F 0 "R19" V 4150 2200 50  0000 C CNN  1136 F 1 "1500R" V 4250 2200 50  0000 C CNN  1137 F 2 "" V 4280 2200 50  0001 C CNN  1138 F 3 "~" H 4350 2200 50  0001 C CNN  1139 	1    4350 2200  1140 	0    1    1    0     1141 $EndComp  1142 $Comp  1143 L Device:R R?  1144 U 1 1 61F9CFFD  1145 P 4550 2500  1146 AR Path="/61DB955D/61F9CFFD" Ref="R?"  Part="1"   1147 AR Path="/61DB955D/61DF7FF4/61F9CFFD" Ref="R16"  Part="1"   1148 AR Path="/62411C42/61F9CFFD" Ref="R16"  Part="1"   1149 F 0 "R16" V 4350 2500 50  0000 C CNN  1150 F 1 "1000R" V 4450 2500 50  0000 C CNN  1151 F 2 "" V 4480 2500 50  0001 C CNN  1152 F 3 "~" H 4550 2500 50  0001 C CNN  1153 	1    4550 2500  1154 	0    1    1    0     1155 $EndComp  1156 $Comp  1157 L Diode:1N4148 D?  1158 U 1 1 61F9D01B  1159 P 3750 1800  1160 AR Path="/61DB955D/61F9D01B" Ref="D?"  Part="1"   1161 AR Path="/61DB955D/61DF7FF4/61F9D01B" Ref="D1"  Part="1"   1162 AR Path="/62411C42/61F9D01B" Ref="D1"  Part="1"   1163 F 0 "D1" H 3750 1600 50  0000 C CNN  1164 F 1 "1N4148" H 3750 1700 50  0000 C CNN  1165 F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3750 1625 50  0001 C CNN  1166 F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3750 1800 50  0001 C CNN  1167 	1    3750 1800  1168 	-1   0    0    1     1169 $EndComp  1170 $Comp  1171 L Device:R R?  1172 U 1 1 61F9D02B  1173 P 4250 1800  1174 AR Path="/61DB955D/61F9D02B" Ref="R?"  Part="1"   1175 AR Path="/61DB955D/61DF7FF4/61F9D02B" Ref="R12"  Part="1"   1176 AR Path="/62411C42/61F9D02B" Ref="R12"  Part="1"   1177 F 0 "R12" V 4450 1800 50  0000 C CNN  1178 F 1 "2200R" V 4350 1800 50  0000 C CNN  1179 F 2 "" V 4180 1800 50  0001 C CNN  1180 F 3 "~" H 4250 1800 50  0001 C CNN  1181 	1    4250 1800  1182 	0    -1   -1   0     1183 $EndComp  1184 $Comp  1185 L Device:R R?  1186 U 1 1 61F9D037  1187 P 4600 1450  1188 AR Path="/61DB955D/61F9D037" Ref="R?"  Part="1"   1189 AR Path="/61DB955D/61DF7FF4/61F9D037" Ref="R13"  Part="1"   1190 AR Path="/62411C42/61F9D037" Ref="R13"  Part="1"   1191 F 0 "R13" H 4800 1400 50  0000 R CNN  1192 F 1 "470R" H 4650 1500 50  0000 L CNN  1193 F 2 "" V 4530 1450 50  0001 C CNN  1194 F 3 "~" H 4600 1450 50  0001 C CNN  1195 	1    4600 1450  1196 	-1   0    0    1     1197 $EndComp  1198 $Comp  1199 L Device:C C?  1200 U 1 1 61F9D03F  1201 P 6100 1450  1202 AR Path="/61DB955D/61F9D03F" Ref="C?"  Part="1"   1203 AR Path="/61DB955D/61DF7FF4/61F9D03F" Ref="C13"  Part="1"   1204 AR Path="/62411C42/61F9D03F" Ref="C13"  Part="1"   1205 F 0 "C13" H 6000 1400 50  0000 R CNN  1206 F 1 "150pF" H 6000 1500 50  0000 R CNN  1207 F 2 "" H 6138 1300 50  0001 C CNN  1208 F 3 "~" H 6100 1450 50  0001 C CNN  1209 	1    6100 1450  1210 	-1   0    0    1     1211 $EndComp  1212 $Comp  1213 L bc309:BC309 Q?  1214 U 1 1 61F9D049  1215 P 6500 1800  1216 AR Path="/61DB955D/61F9D049" Ref="Q?"  Part="1"   1217 AR Path="/61DB955D/61DF7FF4/61F9D049" Ref="Q5"  Part="1"   1218 AR Path="/62411C42/61F9D049" Ref="Q5"  Part="1"   1219 F 0 "Q5" H 6691 1754 50  0000 L CNN  1220 F 1 "BC309" H 6691 1845 50  0000 L CNN  1221 F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6700 1725 50  0001 L CIN  1222 F 3 "https://www.futurlec.com/Transistors/BC309.shtml" H 6500 1800 50  0001 L CNN  1223 	1    6500 1800  1224 	1    0    0    -1    1225 $EndComp  1226 Wire Wire Line  1227 	6600 1100 6600 1600  1228 Wire Wire Line  1229 	4600 1100 6100 1100  1230 Text GLabel 6700 1100 2    50   Input ~ 0  1231 0V  1232 Wire Wire Line  1233 	6700 1100 6600 1100  1234 Connection ~ 6600 1100  1235 $Comp  1236 L Device:R R?  1237 U 1 1 61F9D068  1238 P 7300 2100  1239 AR Path="/61DB955D/61F9D068" Ref="R?"  Part="1"   1240 AR Path="/61DB955D/61DF7FF4/61F9D068" Ref="R22"  Part="1"   1241 AR Path="/62411C42/61F9D068" Ref="R22"  Part="1"   1242 F 0 "R22" V 7200 2100 50  0000 C CNN  1243 F 1 "1000R" V 7400 2100 50  0000 C CNN  1244 F 2 "" V 7230 2100 50  0001 C CNN  1245 F 3 "~" H 7300 2100 50  0001 C CNN  1246 	1    7300 2100  1247 	0    1    1    0     1248 $EndComp  1249 $Comp  1250 L Device:R R?  1251 U 1 1 61F9D06F  1252 P 7100 1750  1253 AR Path="/61DB955D/61F9D06F" Ref="R?"  Part="1"   1254 AR Path="/61DB955D/61DF7FF4/61F9D06F" Ref="R21"  Part="1"   1255 AR Path="/62411C42/61F9D06F" Ref="R21"  Part="1"   1256 F 0 "R21" H 7050 1700 50  0000 R CNN  1257 F 1 "68R" H 7050 1800 50  0000 R CNN  1258 F 2 "" V 7030 1750 50  0001 C CNN  1259 F 3 "~" H 7100 1750 50  0001 C CNN  1260 	1    7100 1750  1261 	-1   0    0    1     1262 $EndComp  1263 Text GLabel 7100 1500 1    50   Input ~ 0  1264 5V  1265 Wire Wire Line  1266 	7100 1500 7100 1600  1267 Wire Wire Line  1268 	7100 1900 7100 2100  1269 Connection ~ 7100 2100  1270 $Comp  1271 L Device:R R?  1272 U 1 1 61F9D07A  1273 P 7700 1750  1274 AR Path="/61DB955D/61F9D07A" Ref="R?"  Part="1"   1275 AR Path="/61DB955D/61DF7FF4/61F9D07A" Ref="R26"  Part="1"   1276 AR Path="/62411C42/61F9D07A" Ref="R26"  Part="1"   1277 F 0 "R26" H 7750 1700 50  0000 L CNN  1278 F 1 "1800R" H 7750 1800 50  0000 L CNN  1279 F 2 "" V 7630 1750 50  0001 C CNN  1280 F 3 "~" H 7700 1750 50  0001 C CNN  1281 	1    7700 1750  1282 	-1   0    0    1     1283 $EndComp  1284 Wire Wire Line  1285 	7450 2100 7700 2100  1286 Wire Wire Line  1287 	7700 2100 7700 1900  1288 Wire Wire Line  1289 	7100 2100 7150 2100  1290 Wire Wire Line  1291 	6600 2100 7100 2100  1292 Connection ~ 7700 2100  1293 Text GLabel 2200 800  0    50   Input ~ 0  1294 ~CSYNC  1295 Wire Wire Line  1296 	2200 800  7700 800   1297 Wire Wire Line  1298 	7700 800  7700 1600  1299 Wire Wire Line  1300 	6600 2100 6600 2000  1301 Wire Wire Line  1302 	4600 1100 4600 1300  1303 Wire Wire Line  1304 	6100 1300 6100 1100  1305 Connection ~ 6100 1100  1306 Wire Wire Line  1307 	6100 1100 6600 1100  1308 Wire Wire Line  1309 	4600 1600 4600 1800  1310 Wire Wire Line  1311 	4600 1800 4800 1800  1312 Wire Wire Line  1313 	6100 1800 6100 1600  1314 Connection ~ 6100 1800  1315 Wire Wire Line  1316 	6100 1800 6300 1800  1317 $Comp  1318 L Diode:1N4148 D?  1319 U 1 1 62248B0E  1320 P 3550 1500  1321 AR Path="/61DB955D/62248B0E" Ref="D?"  Part="1"   1322 AR Path="/61DB955D/61DF7FF4/62248B0E" Ref="D2"  Part="1"   1323 AR Path="/62411C42/62248B0E" Ref="D2"  Part="1"   1324 F 0 "D2" H 3550 1300 50  0000 C CNN  1325 F 1 "1N4148" H 3550 1400 50  0000 C CNN  1326 F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3550 1325 50  0001 C CNN  1327 F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3550 1500 50  0001 C CNN  1328 	1    3550 1500  1329 	-1   0    0    1     1330 $EndComp  1331 $Comp  1332 L Diode:1N4148 D?  1333 U 1 1 62248C2A  1334 P 3350 1200  1335 AR Path="/61DB955D/62248C2A" Ref="D?"  Part="1"   1336 AR Path="/61DB955D/61DF7FF4/62248C2A" Ref="D3"  Part="1"   1337 AR Path="/62411C42/62248C2A" Ref="D3"  Part="1"   1338 F 0 "D3" H 3350 1000 50  0000 C CNN  1339 F 1 "1N4148" H 3350 1100 50  0000 C CNN  1340 F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3350 1025 50  0001 C CNN  1341 F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3350 1200 50  0001 C CNN  1342 	1    3350 1200  1343 	-1   0    0    1     1344 $EndComp  1345 Wire Wire Line  1346 	4100 1800 4000 1800  1347 Wire Wire Line  1348 	4000 1800 4000 1500  1349 Wire Wire Line  1350 	4000 1500 3700 1500  1351 Connection ~ 4000 1800  1352 Wire Wire Line  1353 	4000 1800 3900 1800  1354 Wire Wire Line  1355 	4000 1500 4000 1200  1356 Wire Wire Line  1357 	4000 1200 3500 1200  1358 Connection ~ 4000 1500  1359 Wire Wire Line  1360 	3600 1800 3500 1800  1361 Wire Wire Line  1362 	3500 1800 3500 3300  1363 Connection ~ 3500 3300  1364 Wire Wire Line  1365 	3500 3300 4500 3300  1366 Wire Wire Line  1367 	3400 1500 3300 1500  1368 Wire Wire Line  1369 	3300 1500 3300 3100  1370 Connection ~ 3300 3100  1371 Wire Wire Line  1372 	3300 3100 4300 3100  1373 Wire Wire Line  1374 	3200 1200 3100 1200  1375 Wire Wire Line  1376 	3100 1200 3100 2900  1377 Connection ~ 3100 2900  1378 Wire Wire Line  1379 	3100 2900 4100 2900  1380 Wire Wire Line  1381 	4400 1800 4600 1800  1382 Connection ~ 4600 1800  1383 Wire Wire Line  1384 	4900 2800 5000 2800  1385 Wire Wire Line  1386 	5000 2800 5000 1800  1387 Connection ~ 5000 1800  1388 Wire Wire Line  1389 	5000 1800 6100 1800  1390 Wire Wire Line  1391 	4600 2800 4500 2800  1392 Wire Wire Line  1393 	4500 2800 4500 3300  1394 Connection ~ 4500 3300  1395 Wire Wire Line  1396 	4500 3300 4900 3300  1397 Wire Wire Line  1398 	4700 2500 4900 2500  1399 Wire Wire Line  1400 	4900 2500 4900 1800  1401 Connection ~ 4900 1800  1402 Wire Wire Line  1403 	4900 1800 5000 1800  1404 Wire Wire Line  1405 	4400 2500 4300 2500  1406 Wire Wire Line  1407 	4300 2500 4300 3100  1408 Connection ~ 4300 3100  1409 Wire Wire Line  1410 	4300 3100 5000 3100  1411 Wire Wire Line  1412 	4500 2200 4800 2200  1413 Wire Wire Line  1414 	4800 2200 4800 1800  1415 Connection ~ 4800 1800  1416 Wire Wire Line  1417 	4800 1800 4900 1800  1418 Wire Wire Line  1419 	4200 2200 4100 2200  1420 Wire Wire Line  1421 	4100 2200 4100 2900  1422 Connection ~ 4100 2900  1423 Wire Wire Line  1424 	4100 2900 5500 2900  1425 $Comp  1426 L Device:C C17  1427 U 1 1 6241CD4D  1428 P 10550 3300  1429 F 0 "C17" V 10298 3300 50  0000 C CNN  1430 F 1 "470pF" V 10389 3300 50  0000 C CNN  1431 F 2 "" H 10588 3150 50  0001 C CNN  1432 F 3 "~" H 10550 3300 50  0001 C CNN  1433 	1    10550 3300  1434 	0    1    1    0     1435 $EndComp  1436 Text GLabel 10800 3300 2    50   Output ~ 0  1437 UHF_IN  1438 Wire Wire Line  1439 	9500 3300 10400 3300  1440 Connection ~ 9500 3300  1441 Wire Wire Line  1442 	9500 3300 9500 2800  1443 Wire Wire Line  1444 	10700 3300 10800 3300  1445 Text Notes 9900 3500 0    50   ~ 0  1446 For optional link to SK3 circuit.  1447 $Comp  1448 L power:PWR_FLAG #FLG0109  1449 U 1 1 62024BC2  1450 P 10400 1400  1451 F 0 "#FLG0109" H 10400 1475 50  0001 C CNN  1452 F 1 "PWR_FLAG" V 10400 1528 50  0000 L CNN  1453 F 2 "" H 10400 1400 50  0001 C CNN  1454 F 3 "~" H 10400 1400 50  0001 C CNN  1455 	1    10400 1400  1456 	0    1    1    0     1457 $EndComp  1458 Connection ~ 10400 1400  1459 Wire Wire Line  1460 	10400 1400 10400 1300  1461 Text Notes 10050 1200 0    50   ~ 0  1462 Note that KiCad gets upset\nwhen connecting passives\nto power input pins.  1463 Text Notes 9600 5200 0    50   ~ 0  1464 PAL value is 39pF,\nNTSC value is 56pF.  1465 $Comp  1466 L Jumper:Jumper_3_Bridged12 LK2  1467 U 1 1 621C2C53  1468 P 3600 5850  1469 F 0 "LK2" V 3646 5917 50  0000 L CNN  1470 F 1 "PAL/NTSC" V 3555 5917 50  0000 L CNN  1471 F 2 "" H 3600 5850 50  0001 C CNN  1472 F 3 "~" H 3600 5850 50  0001 C CNN  1473 	1    3600 5850  1474 	0    -1   -1   0     1475 $EndComp  1476 Wire Wire Line  1477 	3600 6400 3600 6100  1478 Wire Wire Line  1479 	3750 5850 3850 5850  1480 Text GLabel 3500 5500 0    50   Input ~ 0  1481 0V  1482 Wire Wire Line  1483 	3500 5500 3600 5500  1484 Wire Wire Line  1485 	3600 5500 3600 5600  1486 Text Notes 5100 5700 0    50   ~ 0  1487 Colour burst > 2.5??s  1488 Text Notes 8050 5800 0    50   ~ 0  1489 Not fitted for NTSC\n(presumably R50-R57, maybe also L1).  1490 Text GLabel 9700 3100 3    50   Input ~ 0  1491 0V  1492 $Comp  1493 L Device:C C?  1494 U 1 1 624BA4A0  1495 P 9700 2800  1496 AR Path="/61DB955D/61DF7FF4/624BA4A0" Ref="C?"  Part="1"   1497 AR Path="/62411C42/624BA4A0" Ref="C24"  Part="1"   1498 F 0 "C24" H 9600 2750 50  0000 R CNN  1499 F 1 "100nF" H 9600 2850 50  0000 R CNN  1500 F 2 "" H 9738 2650 50  0001 C CNN  1501 F 3 "~" H 9700 2800 50  0001 C CNN  1502 	1    9700 2800  1503 	-1   0    0    1     1504 $EndComp  1505 Wire Wire Line  1506 	9700 3100 9700 2950  1507 $Comp  1508 L Jumper:Jumper_2_Open LK5  1509 U 1 1 6255E663  1510 P 10100 2850  1511 F 0 "LK5" V 10100 2948 50  0000 L CNN  1512 F 1 "Jumper_2_Open" V 10145 2948 50  0001 L CNN  1513 F 2 "" H 10100 2850 50  0001 C CNN  1514 F 3 "~" H 10100 2850 50  0001 C CNN  1515 	1    10100 2850  1516 	0    1    1    0     1517 $EndComp  1518 Wire Wire Line  1519 	10400 2700 10500 2700  1520 Text GLabel 10100 3100 3    50   Input ~ 0  1521 0V  1522 Wire Wire Line  1523 	10100 3100 10100 3050  1524 $Comp  1525 L AcornElectron:UM1233-E36 SK4  1526 U 1 1 621B02BC  1527 P 10400 2150  1528 AR Path="/61DB955D/61DF7FF4/621B02BC" Ref="SK4"  Part="1"   1529 AR Path="/62411C42/621B02BC" Ref="SK4"  Part="1"   1530 F 0 "SK4" H 10700 2200 50  0000 L CNN  1531 F 1 "UM1233-E36" H 10700 2100 50  0000 L CNN  1532 F 2 "" H 10400 2350 50  0001 C CNN  1533 F 3 "" H 10400 2350 50  0001 C CNN  1534 	1    10400 2150  1535 	1    0    0    -1    1536 $EndComp  1537 Text Notes 10600 1750 0    50   ~ 0  1538 NTSC:\nUM1622 LA2/3  1539 NoConn ~ 9700 2650  1540 NoConn ~ 10100 2650  1541 Text Notes 9700 2600 0    38   ~ 0  1542 NTSC only\n(not connected)  1543 $Comp  1544 L power:PWR_FLAG #FLG0110  1545 U 1 1 626E446F  1546 P 3850 5550  1547 F 0 "#FLG0110" H 3850 5625 50  0001 C CNN  1548 F 1 "PWR_FLAG" V 3850 5678 50  0000 L CNN  1549 F 2 "" H 3850 5550 50  0001 C CNN  1550 F 3 "~" H 3850 5550 50  0001 C CNN  1551 	1    3850 5550  1552 	0    1    1    0     1553 $EndComp  1554 Text Notes 3950 5500 0    50   ~ 0  1555 KiCad workaround  1556 Wire Wire Line  1557 	3850 5300 3850 5550  1558 Connection ~ 3850 5550  1559 Wire Wire Line  1560 	3850 5550 3850 5850  1561 $EndSCHEMATC