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 11 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 1 1 61DD898C 56 P 3100 6500 57 AR Path="/61DB955D/61DF7FF4/61DD898C" Ref="IC12" Part="1" 58 AR Path="/62411C42/61DD898C" Ref="IC12" Part="1" 59 F 0 "IC12" H 3300 6900 50 0000 C CNN 60 F 1 "74LS74" H 3300 6800 50 0000 C CNN 61 F 2 "" H 3100 6500 50 0001 C CNN 62 F 3 "74xx/74hc_hct74.pdf" H 3100 6500 50 0001 C CNN 63 1 3100 6500 64 1 0 0 -1 65 $EndComp 66 $Comp 67 L 74xx:74LS74 IC12 68 U 2 1 61DD8A0C 69 P 4500 6200 70 AR Path="/61DB955D/61DF7FF4/61DD8A0C" Ref="IC12" Part="2" 71 AR Path="/62411C42/61DD8A0C" Ref="IC12" Part="2" 72 F 0 "IC12" H 4700 6600 50 0000 C CNN 73 F 1 "74LS74" H 4700 6500 50 0000 C CNN 74 F 2 "" H 4500 6200 50 0001 C CNN 75 F 3 "74xx/74hc_hct74.pdf" H 4500 6200 50 0001 C CNN 76 2 4500 6200 77 1 0 0 -1 78 $EndComp 79 Wire Wire Line 80 1700 5000 1900 5000 81 Wire Wire Line 82 1900 5000 1900 3900 83 Wire Wire Line 84 1900 3900 2300 3900 85 Connection ~ 1900 5000 86 Wire Wire Line 87 1900 5000 3100 5000 88 Wire Wire Line 89 3700 4900 3800 4900 90 Wire Wire Line 91 3800 4900 3800 4400 92 Wire Wire Line 93 3800 4400 2100 4400 94 Wire Wire Line 95 2100 4400 2100 3800 96 Wire Wire Line 97 2100 3800 2300 3800 98 Wire Wire Line 99 2900 4000 3000 4000 100 Wire Wire Line 101 3000 4000 3000 4900 102 Wire Wire Line 103 3000 4900 3100 4900 104 Text GLabel 2600 3500 1 50 Input ~ 0 105 5V 106 Text GLabel 3400 4600 1 50 Input ~ 0 107 5V 108 Wire Wire Line 109 2600 3600 2600 3500 110 Wire Wire Line 111 3400 4700 3400 4600 112 Text GLabel 2500 4300 0 50 Input ~ 0 113 5V 114 Text GLabel 3300 5400 0 50 Input ~ 0 115 5V 116 Wire Wire Line 117 2500 4300 2600 4300 118 Wire Wire Line 119 2600 4300 2600 4200 120 Wire Wire Line 121 3300 5400 3400 5400 122 Wire Wire Line 123 3400 5400 3400 5300 124 Wire Wire Line 125 2400 6500 2600 6500 126 Text GLabel 3100 6100 1 50 Input ~ 0 127 5V 128 Text GLabel 3000 6900 0 50 Input ~ 0 129 5V 130 Wire Wire Line 131 3100 6200 3100 6100 132 Text GLabel 4500 5800 1 50 Input ~ 0 133 5V 134 Wire Wire Line 135 4500 5900 4500 5800 136 Text GLabel 4100 5800 1 50 Input ~ 0 137 5V 138 Wire Wire Line 139 4100 5800 4100 6100 140 Wire Wire Line 141 4100 6100 4200 6100 142 Wire Wire Line 143 2600 6500 2600 7100 144 Wire Wire Line 145 2600 7100 4100 7100 146 Wire Wire Line 147 4100 6200 4200 6200 148 Connection ~ 2600 6500 149 Wire Wire Line 150 2600 6500 2800 6500 151 $Comp 152 L 74xx:74LS86 IC14 153 U 1 1 61E1F285 154 P 4300 5200 155 AR Path="/61DB955D/61DF7FF4/61E1F285" Ref="IC14" Part="1" 156 AR Path="/62411C42/61E1F285" Ref="IC14" Part="1" 157 F 0 "IC14" H 4300 5525 50 0000 C CNN 158 F 1 "74LS86" H 4300 5434 50 0000 C CNN 159 F 2 "" H 4300 5200 50 0001 C CNN 160 F 3 "74xx/74ls86.pdf" H 4300 5200 50 0001 C CNN 161 1 4300 5200 162 1 0 0 -1 163 $EndComp 164 Wire Wire Line 165 4100 7100 4100 6200 166 Wire Wire Line 167 3000 6900 3100 6900 168 Wire Wire Line 169 3100 6900 3100 6800 170 Wire Wire Line 171 3700 5100 4000 5100 172 Wire Wire Line 173 3400 6600 3500 6600 174 Wire Wire Line 175 3500 6600 3500 7000 176 Wire Wire Line 177 3500 7000 2700 7000 178 Wire Wire Line 179 2700 7000 2700 6400 180 Wire Wire Line 181 2700 6400 2800 6400 182 Wire Wire Line 183 3400 6400 3600 6400 184 Wire Wire Line 185 3850 5300 4000 5300 186 $Comp 187 L 74xx:74LS86 IC14 188 U 2 1 61E8C5C6 189 P 5400 5300 190 AR Path="/61DB955D/61DF7FF4/61E8C5C6" Ref="IC14" Part="2" 191 AR Path="/62411C42/61E8C5C6" Ref="IC14" Part="2" 192 F 0 "IC14" H 5400 5625 50 0000 C CNN 193 F 1 "74LS86" H 5400 5534 50 0000 C CNN 194 F 2 "" H 5400 5300 50 0001 C CNN 195 F 3 "74xx/74ls86.pdf" H 5400 5300 50 0001 C CNN 196 2 5400 5300 197 1 0 0 -1 198 $EndComp 199 $Comp 200 L 74xx:74LS86 IC14 201 U 3 1 61F16770 202 P 5800 3900 203 AR Path="/61DB955D/61DF7FF4/61F16770" Ref="IC14" Part="3" 204 AR Path="/62411C42/61F16770" Ref="IC14" Part="3" 205 F 0 "IC14" H 5800 4225 50 0000 C CNN 206 F 1 "74LS86" H 5800 4134 50 0000 C CNN 207 F 2 "" H 5800 3900 50 0001 C CNN 208 F 3 "74xx/74ls86.pdf" H 5800 3900 50 0001 C CNN 209 3 5800 3900 210 1 0 0 -1 211 $EndComp 212 $Comp 213 L 74xx:74LS86 IC15 214 U 1 1 61F168AD 215 P 5800 4800 216 AR Path="/61DB955D/61DF7FF4/61F168AD" Ref="IC15" Part="1" 217 AR Path="/62411C42/61F168AD" Ref="IC15" Part="1" 218 F 0 "IC15" H 5800 5125 50 0000 C CNN 219 F 1 "74LS86" H 5800 5034 50 0000 C CNN 220 F 2 "" H 5800 4800 50 0001 C CNN 221 F 3 "74xx/74ls86.pdf" H 5800 4800 50 0001 C CNN 222 1 5800 4800 223 1 0 0 -1 224 $EndComp 225 $Comp 226 L 74xx:74LS86 IC15 227 U 3 1 61F16A91 228 P 5400 4400 229 AR Path="/61DB955D/61DF7FF4/61F16A91" Ref="IC15" Part="3" 230 AR Path="/62411C42/61F16A91" Ref="IC15" Part="3" 231 F 0 "IC15" H 5400 4725 50 0000 C CNN 232 F 1 "74LS86" H 5400 4634 50 0000 C CNN 233 F 2 "" H 5400 4400 50 0001 C CNN 234 F 3 "74xx/74ls86.pdf" H 5400 4400 50 0001 C CNN 235 3 5400 4400 236 1 0 0 -1 237 $EndComp 238 $Comp 239 L 74xx:74LS86 IC15 240 U 4 1 61F16CEA 241 P 5400 3500 242 AR Path="/61DB955D/61DF7FF4/61F16CEA" Ref="IC15" Part="4" 243 AR Path="/62411C42/61F16CEA" Ref="IC15" Part="4" 244 F 0 "IC15" H 5400 3825 50 0000 C CNN 245 F 1 "74LS86" H 5400 3734 50 0000 C CNN 246 F 2 "" H 5400 3500 50 0001 C CNN 247 F 3 "74xx/74ls86.pdf" H 5400 3500 50 0001 C CNN 248 4 5400 3500 249 1 0 0 -1 250 $EndComp 251 $Comp 252 L 74xx:74LS86 IC15 253 U 2 1 61F16E15 254 P 5800 3000 255 AR Path="/61DB955D/61DF7FF4/61F16E15" Ref="IC15" Part="2" 256 AR Path="/62411C42/61F16E15" Ref="IC15" Part="2" 257 F 0 "IC15" H 5800 3325 50 0000 C CNN 258 F 1 "74LS86" H 5800 3234 50 0000 C CNN 259 F 2 "" H 5800 3000 50 0001 C CNN 260 F 3 "74xx/74ls86.pdf" H 5800 3000 50 0001 C CNN 261 2 5800 3000 262 1 0 0 -1 263 $EndComp 264 Wire Wire Line 265 5000 3100 5000 3600 266 Wire Wire Line 267 5000 3600 5100 3600 268 Connection ~ 5000 3100 269 Wire Wire Line 270 5000 3100 5500 3100 271 Wire Wire Line 272 5000 3600 5000 4500 273 Wire Wire Line 274 5000 4500 5100 4500 275 Connection ~ 5000 3600 276 Wire Wire Line 277 5000 4500 5000 4900 278 Wire Wire Line 279 5000 4900 5500 4900 280 Connection ~ 5000 4500 281 Wire Wire Line 282 4600 5200 4700 5200 283 Wire Wire Line 284 4700 4700 5500 4700 285 Connection ~ 4700 5200 286 Wire Wire Line 287 4700 5200 4700 4700 288 Wire Wire Line 289 4900 5400 5100 5400 290 Wire Wire Line 291 4900 3800 5500 3800 292 Connection ~ 4900 3800 293 Wire Wire Line 294 4900 3800 4900 5400 295 Wire Wire Line 296 2900 3800 4800 3800 297 Wire Wire Line 298 4800 3800 4800 4000 299 Wire Wire Line 300 4800 4300 5100 4300 301 $Comp 302 L 74xx:74LS00 IC16 303 U 1 1 620777FB 304 P 7100 3500 305 AR Path="/61DB955D/61DF7FF4/620777FB" Ref="IC16" Part="1" 306 AR Path="/62411C42/620777FB" Ref="IC16" Part="1" 307 F 0 "IC16" H 7100 3825 50 0000 C CNN 308 F 1 "74LS00" H 7100 3734 50 0000 C CNN 309 F 2 "" H 7100 3500 50 0001 C CNN 310 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7100 3500 50 0001 C CNN 311 1 7100 3500 312 1 0 0 -1 313 $EndComp 314 $Comp 315 L 74xx:74LS00 IC16 316 U 2 1 620778C9 317 P 7100 4600 318 AR Path="/61DB955D/61DF7FF4/620778C9" Ref="IC16" Part="2" 319 AR Path="/62411C42/620778C9" Ref="IC16" Part="2" 320 F 0 "IC16" H 7100 4925 50 0000 C CNN 321 F 1 "74LS00" H 7100 4834 50 0000 C CNN 322 F 2 "" H 7100 4600 50 0001 C CNN 323 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7100 4600 50 0001 C CNN 324 2 7100 4600 325 1 0 0 -1 326 $EndComp 327 $Comp 328 L 74xx:74LS00 IC16 329 U 3 1 62077982 330 P 7500 3000 331 AR Path="/61DB955D/61DF7FF4/62077982" Ref="IC16" Part="3" 332 AR Path="/62411C42/62077982" Ref="IC16" Part="3" 333 F 0 "IC16" H 7500 3325 50 0000 C CNN 334 F 1 "74LS00" H 7500 3234 50 0000 C CNN 335 F 2 "" H 7500 3000 50 0001 C CNN 336 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7500 3000 50 0001 C CNN 337 3 7500 3000 338 1 0 0 -1 339 $EndComp 340 $Comp 341 L 74xx:74LS00 IC16 342 U 4 1 62077A5C 343 P 7500 3900 344 AR Path="/61DB955D/61DF7FF4/62077A5C" Ref="IC16" Part="4" 345 AR Path="/62411C42/62077A5C" Ref="IC16" Part="4" 346 F 0 "IC16" H 7500 4225 50 0000 C CNN 347 F 1 "74LS00" H 7500 4134 50 0000 C CNN 348 F 2 "" H 7500 3900 50 0001 C CNN 349 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7500 3900 50 0001 C CNN 350 4 7500 3900 351 1 0 0 -1 352 $EndComp 353 $Comp 354 L 74xx:74LS00 IC10 355 U 2 1 62077B2B 356 P 7100 5500 357 AR Path="/61DB955D/61DF7FF4/62077B2B" Ref="IC10" Part="2" 358 AR Path="/62411C42/62077B2B" Ref="IC10" Part="2" 359 F 0 "IC10" H 7100 5825 50 0000 C CNN 360 F 1 "74LS00" H 7100 5734 50 0000 C CNN 361 F 2 "" H 7100 5500 50 0001 C CNN 362 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7100 5500 50 0001 C CNN 363 2 7100 5500 364 1 0 0 -1 365 $EndComp 366 $Comp 367 L 74xx:74LS00 IC10 368 U 3 1 62077BED 369 P 7500 5000 370 AR Path="/61DB955D/61DF7FF4/62077BED" Ref="IC10" Part="3" 371 AR Path="/62411C42/62077BED" Ref="IC10" Part="3" 372 F 0 "IC10" H 7500 5325 50 0000 C CNN 373 F 1 "74LS00" H 7500 5234 50 0000 C CNN 374 F 2 "" H 7500 5000 50 0001 C CNN 375 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7500 5000 50 0001 C CNN 376 3 7500 5000 377 1 0 0 -1 378 $EndComp 379 Wire Wire Line 380 6100 3000 6600 3000 381 Wire Wire Line 382 6600 3400 6800 3400 383 Wire Wire Line 384 6600 4000 7200 4000 385 Wire Wire Line 386 5700 3500 6500 3500 387 Wire Wire Line 388 6500 3500 6500 3100 389 Wire Wire Line 390 6500 3100 7200 3100 391 Wire Wire Line 392 6500 3500 6500 4200 393 Wire Wire Line 394 6500 4500 6800 4500 395 Connection ~ 6500 3500 396 Wire Wire Line 397 6600 3000 6600 3400 398 Connection ~ 6600 3400 399 Wire Wire Line 400 6600 3400 6600 4000 401 Wire Wire Line 402 6100 3900 6200 3900 403 Wire Wire Line 404 6200 3900 6200 2900 405 Wire Wire Line 406 6200 2900 7200 2900 407 Wire Wire Line 408 5700 4400 6400 4400 409 Wire Wire Line 410 6400 4400 6400 3600 411 Wire Wire Line 412 6400 4400 6400 4900 413 Wire Wire Line 414 6400 4900 7200 4900 415 Connection ~ 6400 4400 416 Wire Wire Line 417 6100 4800 6300 4800 418 Wire Wire Line 419 6300 4800 6300 3800 420 Wire Wire Line 421 6300 3800 7200 3800 422 Wire Wire Line 423 5700 5300 6500 5300 424 Wire Wire Line 425 6500 4700 6800 4700 426 Wire Wire Line 427 6500 5300 6500 5400 428 Connection ~ 6500 5300 429 Wire Wire Line 430 6500 5300 6500 4700 431 Wire Wire Line 432 6600 5100 7200 5100 433 Wire Wire Line 434 6600 5600 6800 5600 435 Connection ~ 6600 5600 436 Wire Wire Line 437 6600 5600 6600 5100 438 $Comp 439 L Device:R R50 440 U 1 1 61E6659B 441 P 8150 2500 442 AR Path="/61DB955D/61DF7FF4/61E6659B" Ref="R50" Part="1" 443 AR Path="/62411C42/61E6659B" Ref="R50" Part="1" 444 F 0 "R50" V 8050 2500 50 0000 C CNN 445 F 1 "820R" V 8250 2500 50 0000 C CNN 446 F 2 "" V 8080 2500 50 0001 C CNN 447 F 3 "~" H 8150 2500 50 0001 C CNN 448 1 8150 2500 449 0 1 1 0 450 $EndComp 451 $Comp 452 L Device:R R51 453 U 1 1 61E66814 454 P 8150 3000 455 AR Path="/61DB955D/61DF7FF4/61E66814" Ref="R51" Part="1" 456 AR Path="/62411C42/61E66814" Ref="R51" Part="1" 457 F 0 "R51" V 8050 3000 50 0000 C CNN 458 F 1 "680R" V 8250 3000 50 0000 C CNN 459 F 2 "" V 8080 3000 50 0001 C CNN 460 F 3 "~" H 8150 3000 50 0001 C CNN 461 1 8150 3000 462 0 1 1 0 463 $EndComp 464 $Comp 465 L Device:R R52 466 U 1 1 61E669DC 467 P 8150 3500 468 AR Path="/61DB955D/61DF7FF4/61E669DC" Ref="R52" Part="1" 469 AR Path="/62411C42/61E669DC" Ref="R52" Part="1" 470 F 0 "R52" V 8050 3500 50 0000 C CNN 471 F 1 "2200R" V 8250 3500 50 0000 C CNN 472 F 2 "" V 8080 3500 50 0001 C CNN 473 F 3 "~" H 8150 3500 50 0001 C CNN 474 1 8150 3500 475 0 1 1 0 476 $EndComp 477 $Comp 478 L Device:R R53 479 U 1 1 61E66BAC 480 P 8150 3900 481 AR Path="/61DB955D/61DF7FF4/61E66BAC" Ref="R53" Part="1" 482 AR Path="/62411C42/61E66BAC" Ref="R53" Part="1" 483 F 0 "R53" V 8050 3900 50 0000 C CNN 484 F 1 "470R" V 8250 3900 50 0000 C CNN 485 F 2 "" V 8080 3900 50 0001 C CNN 486 F 3 "~" H 8150 3900 50 0001 C CNN 487 1 8150 3900 488 0 1 1 0 489 $EndComp 490 $Comp 491 L Device:R R54 492 U 1 1 61E66D82 493 P 7850 4200 494 AR Path="/61DB955D/61DF7FF4/61E66D82" Ref="R54" Part="1" 495 AR Path="/62411C42/61E66D82" Ref="R54" Part="1" 496 F 0 "R54" V 7750 4200 50 0000 C CNN 497 F 1 "1200R" V 7950 4200 50 0000 C CNN 498 F 2 "" V 7780 4200 50 0001 C CNN 499 F 3 "~" H 7850 4200 50 0001 C CNN 500 1 7850 4200 501 0 1 1 0 502 $EndComp 503 $Comp 504 L Device:R R55 505 U 1 1 61E66F76 506 P 8150 4600 507 AR Path="/61DB955D/61DF7FF4/61E66F76" Ref="R55" Part="1" 508 AR Path="/62411C42/61E66F76" Ref="R55" Part="1" 509 F 0 "R55" V 8050 4600 50 0000 C CNN 510 F 1 "3300R" V 8250 4600 50 0000 C CNN 511 F 2 "" V 8080 4600 50 0001 C CNN 512 F 3 "~" H 8150 4600 50 0001 C CNN 513 1 8150 4600 514 0 1 1 0 515 $EndComp 516 $Comp 517 L Device:R R56 518 U 1 1 61E6764A 519 P 8150 5000 520 AR Path="/61DB955D/61DF7FF4/61E6764A" Ref="R56" Part="1" 521 AR Path="/62411C42/61E6764A" Ref="R56" Part="1" 522 F 0 "R56" V 8050 5000 50 0000 C CNN 523 F 1 "680R" V 8250 5000 50 0000 C CNN 524 F 2 "" V 8080 5000 50 0001 C CNN 525 F 3 "~" H 8150 5000 50 0001 C CNN 526 1 8150 5000 527 0 1 1 0 528 $EndComp 529 $Comp 530 L Device:R R57 531 U 1 1 61E677BC 532 P 8150 5500 533 AR Path="/61DB955D/61DF7FF4/61E677BC" Ref="R57" Part="1" 534 AR Path="/62411C42/61E677BC" Ref="R57" Part="1" 535 F 0 "R57" V 8050 5500 50 0000 C CNN 536 F 1 "680R" V 8250 5500 50 0000 C CNN 537 F 2 "" V 8080 5500 50 0001 C CNN 538 F 3 "~" H 8150 5500 50 0001 C CNN 539 1 8150 5500 540 0 1 1 0 541 $EndComp 542 Wire Wire Line 543 6600 3000 6900 3000 544 Wire Wire Line 545 6900 3000 6900 2500 546 Wire Wire Line 547 6900 2500 8000 2500 548 Connection ~ 6600 3000 549 Wire Wire Line 550 7800 3000 8000 3000 551 Wire Wire Line 552 7400 3500 8000 3500 553 Wire Wire Line 554 7800 3900 8000 3900 555 Connection ~ 6500 4200 556 Wire Wire Line 557 6500 4200 6500 4500 558 Wire Wire Line 559 7400 4600 8000 4600 560 Wire Wire Line 561 7800 5000 8000 5000 562 Wire Wire Line 563 7400 5500 8000 5500 564 $Comp 565 L Device:L_Core_Iron L1 566 U 1 1 61F1529D 567 P 8850 5500 568 AR Path="/61DB955D/61DF7FF4/61F1529D" Ref="L1" Part="1" 569 AR Path="/62411C42/61F1529D" Ref="L1" Part="1" 570 F 0 "L1" V 8672 5500 50 0000 C CNN 571 F 1 "33??H" V 8763 5500 50 0000 C CNN 572 F 2 "" H 8850 5500 50 0001 C CNN 573 F 3 "~" H 8850 5500 50 0001 C CNN 574 1 8850 5500 575 0 1 1 0 576 $EndComp 577 Wire Wire Line 578 8300 5500 8500 5500 579 Wire Wire Line 580 8300 5000 8500 5000 581 Wire Wire Line 582 8500 5000 8500 5500 583 Connection ~ 8500 5500 584 Wire Wire Line 585 8500 5500 8700 5500 586 Wire Wire Line 587 8300 4600 8500 4600 588 Wire Wire Line 589 8500 4600 8500 5000 590 Connection ~ 8500 5000 591 Wire Wire Line 592 8000 4200 8500 4200 593 Wire Wire Line 594 8500 4200 8500 4600 595 Connection ~ 8500 4600 596 Wire Wire Line 597 8300 3900 8500 3900 598 Wire Wire Line 599 8500 3900 8500 4200 600 Connection ~ 8500 4200 601 Wire Wire Line 602 8300 3500 8500 3500 603 Wire Wire Line 604 8500 3500 8500 3900 605 Connection ~ 8500 3900 606 Wire Wire Line 607 8300 3000 8500 3000 608 Wire Wire Line 609 8500 3000 8500 3500 610 Connection ~ 8500 3500 611 Wire Wire Line 612 8300 2500 8500 2500 613 Wire Wire Line 614 8500 2500 8500 3000 615 Connection ~ 8500 3000 616 Wire Wire Line 617 6500 4200 7700 4200 618 Wire Wire Line 619 4800 4000 5500 4000 620 Connection ~ 4800 4000 621 Wire Wire Line 622 4800 4000 4800 4300 623 Wire Wire Line 624 4900 3300 4900 3400 625 Wire Wire Line 626 4700 5200 5100 5200 627 Wire Wire Line 628 4900 3400 5100 3400 629 Connection ~ 4900 3400 630 Wire Wire Line 631 4900 3400 4900 3800 632 Wire Wire Line 633 6800 5400 6500 5400 634 Wire Wire Line 635 6400 3600 6800 3600 636 $Comp 637 L 74xx:74LS00 IC10 638 U 1 1 61EB617E 639 P 6300 6800 640 AR Path="/61DB955D/61DF7FF4/61EB617E" Ref="IC10" Part="1" 641 AR Path="/62411C42/61EB617E" Ref="IC10" Part="1" 642 F 0 "IC10" H 6300 6483 50 0000 C CNN 643 F 1 "74LS00" H 6300 6574 50 0000 C CNN 644 F 2 "" H 6300 6800 50 0001 C CNN 645 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6300 6800 50 0001 C CNN 646 1 6300 6800 647 -1 0 0 1 648 $EndComp 649 Wire Wire Line 650 5000 5600 6600 5600 651 $Comp 652 L 74xx:74LS00 IC10 653 U 4 1 61EDEB37 654 P 6400 6200 655 AR Path="/61DB955D/61DF7FF4/61EDEB37" Ref="IC10" Part="4" 656 AR Path="/62411C42/61EDEB37" Ref="IC10" Part="4" 657 F 0 "IC10" H 6400 6525 50 0000 C CNN 658 F 1 "74LS00" H 6400 6434 50 0000 C CNN 659 F 2 "" H 6400 6200 50 0001 C CNN 660 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6400 6200 50 0001 C CNN 661 4 6400 6200 662 1 0 0 -1 663 $EndComp 664 Wire Wire Line 665 4800 6100 5000 6100 666 Wire Wire Line 667 5000 6100 5000 5600 668 Wire Wire Line 669 6600 6700 6700 6700 670 Wire Wire Line 671 6800 6700 6800 6200 672 Wire Wire Line 673 6800 6200 6700 6200 674 Wire Wire Line 675 6600 6900 6700 6900 676 Wire Wire Line 677 6700 6900 6700 6700 678 Connection ~ 6700 6700 679 Wire Wire Line 680 6700 6700 6800 6700 681 $Comp 682 L Device:R R17 683 U 1 1 61F753FB 684 P 5350 6100 685 AR Path="/61DB955D/61DF7FF4/61F753FB" Ref="R17" Part="1" 686 AR Path="/62411C42/61F753FB" Ref="R17" Part="1" 687 F 0 "R17" V 5250 6100 50 0000 C CNN 688 F 1 "100R" V 5450 6100 50 0000 C CNN 689 F 2 "" V 5280 6100 50 0001 C CNN 690 F 3 "~" H 5350 6100 50 0001 C CNN 691 1 5350 6100 692 0 1 1 0 693 $EndComp 694 Wire Wire Line 695 4800 6300 5100 6300 696 Wire Wire Line 697 5100 6300 5100 6100 698 Wire Wire Line 699 5100 6100 5200 6100 700 $Comp 701 L Device:C C12 702 U 1 1 61F920C4 703 P 5600 6350 704 AR Path="/61DB955D/61DF7FF4/61F920C4" Ref="C12" Part="1" 705 AR Path="/62411C42/61F920C4" Ref="C12" Part="1" 706 F 0 "C12" H 5500 6300 50 0000 R CNN 707 F 1 "33nF" H 5500 6400 50 0000 R CNN 708 F 2 "" H 5638 6200 50 0001 C CNN 709 F 3 "~" H 5600 6350 50 0001 C CNN 710 1 5600 6350 711 -1 0 0 1 712 $EndComp 713 Text GLabel 5500 6600 0 50 Input ~ 0 714 0V 715 Wire Wire Line 716 4500 6500 4500 6800 717 Wire Wire Line 718 4500 6800 6000 6800 719 Wire Wire Line 720 5500 6600 5600 6600 721 Wire Wire Line 722 5600 6600 5600 6500 723 Wire Wire Line 724 5500 6100 5600 6100 725 Wire Wire Line 726 5600 6100 5600 6200 727 Wire Wire Line 728 5600 6100 6000 6100 729 Connection ~ 5600 6100 730 Wire Wire Line 731 6100 6300 6000 6300 732 Wire Wire Line 733 6000 6300 6000 6100 734 Connection ~ 6000 6100 735 Wire Wire Line 736 6000 6100 6100 6100 737 $Comp 738 L Device:C C18 739 U 1 1 6205DAF8 740 P 9200 5150 741 AR Path="/61DB955D/61DF7FF4/6205DAF8" Ref="C18" Part="1" 742 AR Path="/62411C42/6205DAF8" Ref="C18" Part="1" 743 F 0 "C18" H 9100 5100 50 0000 R CNN 744 F 1 "39pF" H 9100 5200 50 0000 R CNN 745 F 2 "" H 9238 5000 50 0001 C CNN 746 F 3 "~" H 9200 5150 50 0001 C CNN 747 1 9200 5150 748 -1 0 0 1 749 $EndComp 750 $Comp 751 L Device:R R38 752 U 1 1 6205DBD8 753 P 9200 4650 754 AR Path="/61DB955D/61DF7FF4/6205DBD8" Ref="R38" Part="1" 755 AR Path="/62411C42/6205DBD8" Ref="R38" Part="1" 756 F 0 "R38" H 9270 4696 50 0000 L CNN 757 F 1 "470R" H 9270 4605 50 0000 L CNN 758 F 2 "" V 9130 4650 50 0001 C CNN 759 F 3 "~" H 9200 4650 50 0001 C CNN 760 1 9200 4650 761 1 0 0 -1 762 $EndComp 763 $Comp 764 L bc239:BC239 Q7 765 U 1 1 6205DD14 766 P 9200 3700 767 AR Path="/61DB955D/61DF7FF4/6205DD14" Ref="Q7" Part="1" 768 AR Path="/62411C42/6205DD14" Ref="Q7" Part="1" 769 F 0 "Q7" V 9528 3700 50 0000 C CNN 770 F 1 "BC239" V 9437 3700 50 0000 C CNN 771 F 2 "Package_TO_SOT_THT:TO-92_Inline" H 9400 3625 50 0001 L CIN 772 F 3 "https://www.futurlec.com/Transistors/BC239.shtml" H 9200 3700 50 0001 L CNN 773 1 9200 3700 774 0 -1 -1 0 775 $EndComp 776 Wire Wire Line 777 9000 5500 9200 5500 778 Wire Wire Line 779 9200 5500 9200 5300 780 Wire Wire Line 781 9200 5000 9200 4800 782 Wire Wire Line 783 9200 4500 9200 4400 784 $Comp 785 L Device:C C21 786 U 1 1 620BD8BB 787 P 9500 2650 788 AR Path="/61DB955D/61DF7FF4/620BD8BB" Ref="C21" Part="1" 789 AR Path="/62411C42/620BD8BB" Ref="C21" Part="1" 790 F 0 "C21" H 9600 2600 50 0000 L CNN 791 F 1 "47pF" H 9600 2700 50 0000 L CNN 792 F 2 "" H 9538 2500 50 0001 C CNN 793 F 3 "~" H 9500 2650 50 0001 C CNN 794 1 9500 2650 795 -1 0 0 1 796 $EndComp 797 Wire Wire Line 798 9500 2100 9500 2500 799 Wire Wire Line 800 9400 3600 9500 3600 801 Wire Wire Line 802 9500 3600 9500 3500 803 Text GLabel 8900 3500 1 50 Input ~ 0 804 5V 805 Wire Wire Line 806 9000 3600 8900 3600 807 Wire Wire Line 808 8900 3600 8900 3500 809 $Comp 810 L Device:R R29 811 U 1 1 620EF7AD 812 P 8700 4150 813 AR Path="/61DB955D/61DF7FF4/620EF7AD" Ref="R29" Part="1" 814 AR Path="/62411C42/620EF7AD" Ref="R29" Part="1" 815 F 0 "R29" H 8770 4196 50 0000 L CNN 816 F 1 "120000R" H 8770 4105 50 0000 L CNN 817 F 2 "" V 8630 4150 50 0001 C CNN 818 F 3 "~" H 8700 4150 50 0001 C CNN 819 1 8700 4150 820 1 0 0 -1 821 $EndComp 822 Text GLabel 8700 3900 1 50 Input ~ 0 823 5V 824 Wire Wire Line 825 8700 3900 8700 4000 826 Wire Wire Line 827 8700 4300 8700 4400 828 Wire Wire Line 829 8700 4400 9200 4400 830 Connection ~ 9200 4400 831 Wire Wire Line 832 9200 4400 9200 4300 833 $Comp 834 L Device:R R30 835 U 1 1 62144EE5 836 P 9700 4550 837 AR Path="/61DB955D/61DF7FF4/62144EE5" Ref="R30" Part="1" 838 AR Path="/62411C42/62144EE5" Ref="R30" Part="1" 839 F 0 "R30" H 9770 4596 50 0000 L CNN 840 F 1 "120000R" H 9770 4505 50 0000 L CNN 841 F 2 "" V 9630 4550 50 0001 C CNN 842 F 3 "~" H 9700 4550 50 0001 C CNN 843 1 9700 4550 844 1 0 0 -1 845 $EndComp 846 Text GLabel 9700 4800 3 50 Input ~ 0 847 0V 848 Wire Wire Line 849 9700 4800 9700 4700 850 Wire Wire Line 851 9700 4400 9700 4300 852 Wire Wire Line 853 9700 4300 9200 4300 854 Connection ~ 9200 4300 855 Wire Wire Line 856 9200 4300 9200 3900 857 $Comp 858 L Device:R R37 859 U 1 1 621794AB 860 P 9700 3750 861 AR Path="/61DB955D/61DF7FF4/621794AB" Ref="R37" Part="1" 862 AR Path="/62411C42/621794AB" Ref="R37" Part="1" 863 F 0 "R37" H 9770 3796 50 0000 L CNN 864 F 1 "1000R" H 9770 3705 50 0000 L CNN 865 F 2 "" V 9630 3750 50 0001 C CNN 866 F 3 "~" H 9700 3750 50 0001 C CNN 867 1 9700 3750 868 1 0 0 -1 869 $EndComp 870 Text GLabel 9700 4000 3 50 Input ~ 0 871 0V 872 Wire Wire Line 873 9700 4000 9700 3900 874 Wire Wire Line 875 9700 3600 9700 3500 876 Wire Wire Line 877 9700 3500 9500 3500 878 Wire Wire Line 879 9500 3500 9500 3300 880 Connection ~ 9500 3500 881 Wire Wire Line 882 9500 2100 10050 2100 883 NoConn ~ 10050 2200 884 $Comp 885 L Device:R R65 886 U 1 1 621D44B6 887 P 9700 1050 888 AR Path="/61DB955D/61DF7FF4/621D44B6" Ref="R65" Part="1" 889 AR Path="/62411C42/621D44B6" Ref="R65" Part="1" 890 F 0 "R65" H 9770 1096 50 0000 L CNN 891 F 1 "10R" H 9770 1005 50 0000 L CNN 892 F 2 "" V 9630 1050 50 0001 C CNN 893 F 3 "~" H 9700 1050 50 0001 C CNN 894 1 9700 1050 895 1 0 0 -1 896 $EndComp 897 Wire Wire Line 898 10400 1300 9700 1300 899 Wire Wire Line 900 9700 1300 9700 1200 901 Text GLabel 9700 800 1 50 Input ~ 0 902 5V 903 Wire Wire Line 904 9700 800 9700 900 905 $Comp 906 L Device:CP C23 907 U 1 1 621F95D7 908 P 9200 1550 909 AR Path="/61DB955D/61DF7FF4/621F95D7" Ref="C23" Part="1" 910 AR Path="/62411C42/621F95D7" Ref="C23" Part="1" 911 F 0 "C23" H 9318 1596 50 0000 L CNN 912 F 1 "47??F/TANT" H 9318 1505 38 0000 L CNN 913 F 2 "" H 9238 1400 50 0001 C CNN 914 F 3 "~" H 9200 1550 50 0001 C CNN 915 1 9200 1550 916 1 0 0 -1 917 $EndComp 918 Text GLabel 9200 1800 3 50 Input ~ 0 919 0V 920 Wire Wire Line 921 9200 1800 9200 1700 922 Wire Wire Line 923 9200 1400 9200 1300 924 Wire Wire Line 925 9200 1300 9700 1300 926 Connection ~ 9700 1300 927 Text GLabel 10500 2700 2 50 Input ~ 0 928 0V 929 Wire Wire Line 930 10400 2700 10400 2600 931 Wire Wire Line 932 10400 1700 10400 1400 933 Connection ~ 9500 2100 934 $Comp 935 L Device:R R? 936 U 1 1 61F6CBF3 937 P 8700 1850 938 AR Path="/61DB955D/61F6CBF3" Ref="R?" Part="1" 939 AR Path="/61DB955D/61DF7FF4/61F6CBF3" Ref="R41" Part="1" 940 AR Path="/62411C42/61F6CBF3" Ref="R41" Part="1" 941 F 0 "R41" H 8770 1896 50 0000 L CNN 942 F 1 "1200R" H 8770 1805 50 0000 L CNN 943 F 2 "" V 8630 1850 50 0001 C CNN 944 F 3 "~" H 8700 1850 50 0001 C CNN 945 1 8700 1850 946 1 0 0 -1 947 $EndComp 948 $Comp 949 L Device:R R? 950 U 1 1 61F6CBFA 951 P 8800 2350 952 AR Path="/61DB955D/61F6CBFA" Ref="R?" Part="1" 953 AR Path="/61DB955D/61DF7FF4/61F6CBFA" Ref="R42" Part="1" 954 AR Path="/62411C42/61F6CBFA" Ref="R42" Part="1" 955 F 0 "R42" H 8870 2396 50 0000 L CNN 956 F 1 "3900R" H 8870 2305 50 0000 L CNN 957 F 2 "" V 8730 2350 50 0001 C CNN 958 F 3 "~" H 8800 2350 50 0001 C CNN 959 1 8800 2350 960 1 0 0 -1 961 $EndComp 962 Wire Wire Line 963 8700 2000 8700 2100 964 Wire Wire Line 965 8700 2100 8800 2100 966 Wire Wire Line 967 8800 2100 8800 2200 968 Text GLabel 8800 2600 3 50 Input ~ 0 969 0V 970 Text GLabel 8700 1600 1 50 Input ~ 0 971 5V 972 Wire Wire Line 973 8700 1600 8700 1700 974 Wire Wire Line 975 8800 2500 8800 2600 976 Connection ~ 8800 2100 977 Wire Wire Line 978 8800 2100 9500 2100 979 $Comp 980 L Device:C C17 981 U 1 1 6241CD4D 982 P 10550 3300 983 F 0 "C17" V 10298 3300 50 0000 C CNN 984 F 1 "470pF" V 10389 3300 50 0000 C CNN 985 F 2 "" H 10588 3150 50 0001 C CNN 986 F 3 "~" H 10550 3300 50 0001 C CNN 987 1 10550 3300 988 0 1 1 0 989 $EndComp 990 Text GLabel 10800 3300 2 50 Output ~ 0 991 UHF_IN 992 Wire Wire Line 993 9500 3300 10400 3300 994 Connection ~ 9500 3300 995 Wire Wire Line 996 9500 3300 9500 2800 997 Wire Wire Line 998 10700 3300 10800 3300 999 Text Notes 9900 3500 0 50 ~ 0 1000 For optional link to SK3 circuit. 1001 $Comp 1002 L power:PWR_FLAG #FLG0109 1003 U 1 1 62024BC2 1004 P 10400 1400 1005 F 0 "#FLG0109" H 10400 1475 50 0001 C CNN 1006 F 1 "PWR_FLAG" V 10400 1528 50 0000 L CNN 1007 F 2 "" H 10400 1400 50 0001 C CNN 1008 F 3 "~" H 10400 1400 50 0001 C CNN 1009 1 10400 1400 1010 0 1 1 0 1011 $EndComp 1012 Connection ~ 10400 1400 1013 Wire Wire Line 1014 10400 1400 10400 1300 1015 Text Notes 10050 1200 0 50 ~ 0 1016 Note that KiCad gets upset\nwhen connecting passives\nto power input pins. 1017 Text Notes 9600 5200 0 50 ~ 0 1018 PAL value is 39pF,\nNTSC value is 56pF. 1019 $Comp 1020 L Jumper:Jumper_3_Bridged12 LK2 1021 U 1 1 621C2C53 1022 P 3600 5850 1023 F 0 "LK2" V 3646 5917 50 0000 L CNN 1024 F 1 "PAL/NTSC" V 3555 5917 50 0000 L CNN 1025 F 2 "" H 3600 5850 50 0001 C CNN 1026 F 3 "~" H 3600 5850 50 0001 C CNN 1027 1 3600 5850 1028 0 -1 -1 0 1029 $EndComp 1030 Wire Wire Line 1031 3600 6400 3600 6100 1032 Wire Wire Line 1033 3750 5850 3850 5850 1034 Text GLabel 3500 5500 0 50 Input ~ 0 1035 0V 1036 Wire Wire Line 1037 3500 5500 3600 5500 1038 Wire Wire Line 1039 3600 5500 3600 5600 1040 Text Notes 5100 5700 0 50 ~ 0 1041 Colour burst > 2.5??s 1042 Text Notes 8050 5800 0 50 ~ 0 1043 Not fitted for NTSC\n(presumably R50-R57, maybe also L1). 1044 Text GLabel 9700 3100 3 50 Input ~ 0 1045 0V 1046 $Comp 1047 L Device:C C? 1048 U 1 1 624BA4A0 1049 P 9700 2800 1050 AR Path="/61DB955D/61DF7FF4/624BA4A0" Ref="C?" Part="1" 1051 AR Path="/62411C42/624BA4A0" Ref="C24" Part="1" 1052 F 0 "C24" H 9600 2750 50 0000 R CNN 1053 F 1 "100nF" H 9600 2850 50 0000 R CNN 1054 F 2 "" H 9738 2650 50 0001 C CNN 1055 F 3 "~" H 9700 2800 50 0001 C CNN 1056 1 9700 2800 1057 -1 0 0 1 1058 $EndComp 1059 Wire Wire Line 1060 9700 3100 9700 2950 1061 $Comp 1062 L Jumper:Jumper_2_Open LK5 1063 U 1 1 6255E663 1064 P 10100 2850 1065 F 0 "LK5" V 10100 2948 50 0000 L CNN 1066 F 1 "Jumper_2_Open" V 10145 2948 50 0001 L CNN 1067 F 2 "" H 10100 2850 50 0001 C CNN 1068 F 3 "~" H 10100 2850 50 0001 C CNN 1069 1 10100 2850 1070 0 1 1 0 1071 $EndComp 1072 Wire Wire Line 1073 10400 2700 10500 2700 1074 Text GLabel 10100 3100 3 50 Input ~ 0 1075 0V 1076 Wire Wire Line 1077 10100 3100 10100 3050 1078 $Comp 1079 L AcornElectron:UM1233-E36 SK4 1080 U 1 1 621B02BC 1081 P 10400 2150 1082 AR Path="/61DB955D/61DF7FF4/621B02BC" Ref="SK4" Part="1" 1083 AR Path="/62411C42/621B02BC" Ref="SK4" Part="1" 1084 F 0 "SK4" H 10700 2200 50 0000 L CNN 1085 F 1 "UM1233-E36" H 10700 2100 50 0000 L CNN 1086 F 2 "" H 10400 2350 50 0001 C CNN 1087 F 3 "" H 10400 2350 50 0001 C CNN 1088 1 10400 2150 1089 1 0 0 -1 1090 $EndComp 1091 Text Notes 10600 1750 0 50 ~ 0 1092 NTSC:\nUM1622 LA2/3 1093 NoConn ~ 9700 2650 1094 NoConn ~ 10100 2650 1095 Text Notes 9700 2600 0 38 ~ 0 1096 NTSC only\n(not connected) 1097 $Comp 1098 L power:PWR_FLAG #FLG0110 1099 U 1 1 626E446F 1100 P 3850 5550 1101 F 0 "#FLG0110" H 3850 5625 50 0001 C CNN 1102 F 1 "PWR_FLAG" V 3850 5678 50 0000 L CNN 1103 F 2 "" H 3850 5550 50 0001 C CNN 1104 F 3 "~" H 3850 5550 50 0001 C CNN 1105 1 3850 5550 1106 0 1 1 0 1107 $EndComp 1108 Text Notes 3950 5500 0 50 ~ 0 1109 KiCad workaround 1110 Wire Wire Line 1111 3850 5300 3850 5550 1112 Connection ~ 3850 5550 1113 Wire Wire Line 1114 3850 5550 3850 5850 1115 Text GLabel 2200 2100 0 50 UnSpc ~ 0 1116 ~CSYNC_UHF 1117 Wire Wire Line 1118 2200 3300 4900 3300 1119 Wire Wire Line 1120 2200 3100 5000 3100 1121 Wire Wire Line 1122 2200 2900 5500 2900 1123 Wire Wire Line 1124 8700 2100 2200 2100 1125 Connection ~ 8700 2100 1126 $EndSCHEMATC