Sony HCD-HPX7 Service Manual - Page 68
Schematic Diagram, Main Board 2/3
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HCD-HPX7 7-10. SCHEMATIC DIAGRAM - MAIN BOARD (2/3) - • See page 58 for Waveforms. • See page 80 for IC Pin Function Description. CN317 7P CN303 7P CN304 27P Q308 KTA1271Y R311 47k C314 0.0047 R318 10k R319 22k R320 47k R323 4.7k R321 4.7k R322 4.7k R324 10k R325 10k R312 1k Q309 KRC402-RTK D301 1SS133T-77 R314 47k Q310 KTA1271Y R315 1k Q311 KRC402-RTK JW203 JW240 R347 47k R346 47k R345 47k R344 47k R343 47k R342 47k R341 47k R340 47k R339 47k CN411 4P D310 10EDB40-TA1B2 D311 10EDB40-TA1B2 D312 10EDB40-TA1B2 FB301 FB303 0 FB304 0 FB305 0 FB308 0 FB307 C342 0.1 C344 100p C345 100p C346 100p C347 100p C348 22p C349 100p C350 100p C343 2200 10V C351 100p C354 100p C355 100p C356 100p C357 100p C358 100p C359 100p FB302 0 C393 0.1 C352 0.1 C353 1000 10V C391 0.1 R350 4.7k C237 22 50V R223 1k C137 22 50V C395 2200 10V C396 0.1 C367 1000 10V C368 0.1 R224 C238 100k 220p FB306 0 R123 1k R124 100k C138 220p Q102 2SC3624-T1L1718 R126 10k Q202 2SC3624-T1L1718 R226 10k Q318 KRC102S Q317 KRA102S R450 100 R449 100 R448 100 R447 100 R446 100 R445 100 R444 100 R443 100 R442 100 R441 100 R440 100 R439 100 R438 100 R437 100 R436 100 R435 100 R434 100 R433 100 R432 100 R337 100 R336 100 D302 1SS133T-77 D303 1SS133T-77 D304 1SS133T-77 D305 1SS133T-77 D306 1SS133T-77 D308 1SS133T-77 AEP,UK EXCEPT AEP,UK R377 10k R358 47k R359 47k R362 10k R474 1M R360 47k R361 10k D318 1SS133T-77 D317 1SS133T-77 R475 100 R472 100 R465 100 R468 100 R469 100 R463 100 R455 100 58 R457 100 R458 100 R459 100 R460 100 R461 100 R451 100 R452 100 R453 100 IC306 M3062CMEN- A02FPU0 R409 10k R411 1k X301 32.768KHz R406 100 R405 100 R404 10k R402 100 18 R378 10k X302 R413 16MHz 0 AEP,UK EXCEPT AEP,UK C338 20p C339 15p R401 100 R373 47k R372 47k R482 R496 100 10k R379 10k R484 100 R363 10k R364 4.7k R370 3.3k R369 3.3k R368 3.3k R489 0 R490 0 R491 0 R365 680 R367 *1 R494 100 R495 100 C340 0.1 C336 1000 6.3V C337 0.1 R366 *2 *2 R366 4.7K: CND,MX 0: E3,TW,KR,AUS NO MOUNT: AEP,UK R430 4.7k R429 4.7k R428 100 R427 100 R426 100 R425 100 R424 100 R423 100 R422 100 R420 47k R419 100 R418 100 R417 10k R332 4.7k D307 1SS133T-77 C333 10 50V IC305 BD4729GTR R330 220 R331 10k R412 1k R335 10k C335 R333 0.1 22k C334 0.1 R334 47k D309 1SS133T-77 Q314 KTC3199GR-TP C362 0.1 CN315 21P *1 R367 1K: MX 2.2K: CND NO MOUNT: OTHER MODELS HCD-HPX7 68 68
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