Sony HCD-GX570 Service Manual - Page 90

HCD-GX470/GX570 2-2. SCHEMATIC DIAGRAM - DECK Board - (Refer to page 36 on service manual) CN008 11P PB-L PB-R A-GND REC-R REC-L REC/PB SW +9V REC-MUTE O-BIAS DECK-D-GND NC Q405,406,408 DECK-A/B SELECT SWITCH, REC/PB SELECT SWITCH R489 22k R350 0 R349 100 R481 4.7k R484 22k Q406 2SA1235 R483 22k R482 47k Q405 2SC3052 R485 2.2k R488 22k R490 4.7k R325 100 R326 100 C329 0.047 C330 0.047 Q408 2SA1235 R351 1k C352 0.1 C351 220 10V C401 0.1 50V R401 47k R403 22k FB301 0 C403 R405 47p 47k C430 0.1 C404 R406 47p 47k C402 0.1 50V R402 47k R404 22k C433 0.01 3 8 2 1 IC401(1/2) BA4558 REC AMP IC401(2/2) BA4558 6 7 5 4 D301 UDZW-TE17-4.3B C411 10p C413 220p C405 220p R407 4.7k R415 2.2k R416 2.2k R408 4.7k C406 220p R409 100k R423 47k C409 10 50V C410 10 50V R424 47k R410 100k C412 10p C414 220p R427 0 R413 R445 220k 0 R411 470k C417 0.01 C431 0.1 C418 0.01 R412 470k R414 220k R446 0 R428 0 Q409,410 REC CONTROL SWITCH R442 47k Q409 RT1N431C R455 10 Q410 RT1N431C R451 10k Q451,452 REC BIAS SWITCH R452 47k R453 4.7k Q452 2SC3052 JR402 0 R454 4.7k C353 0.1 C350 220 16V C327 220p C328 220p R323 4.7k R319 22k C323 0.0047 83 1 2 R317 470k IC301(1/2) NJM14558M-TE2 C325 0.0022 PB AMP C315 47p C317 10 50V R313 47 R311 220 R309 470 R306 220k R320 22k R324 4.7k C324 0.0047 C326 0.0022 IC301(2/2) R312 NJM14558M-TE2 220 C318 10 50V R314 47 R318 470k 7 6 5 4 Q403 2SA1235 REC SWITCH C316 47p R310 470 R305 220k Q301 2SJ460 PB SWITCH (DECK-A) S C305 220k Q302 2SJ460 PB SWITCH (DECK-A) S R301 47k R302 47k S Q303 2SJ460 R303 PB SWITCH 47k (DECK-B) C306 R304 220k 47k C303 1000p C304 1000p S Q304 2SJ460 PB SWITCH (DECK-B) Q400,407 MUTING CONTROL R443 10k SWITCH C301 1000p C302 1000p R315 100 C354 0.1 R316 100 R431 1k R435 10k Q407 2SA1235 R440 10k R429 10k R433 47k C415 0.0047 Q401 2SK2158 MUTING S R447 1M R439 4.7k R434 47k C416 0.0047 C460 470p R430 10k D401 MC2838 R432 1k R436 10k S Q402 2SK2158 MUTING S Q400 2SK2158 Q404 2SA1235 REC SWITCH R449 R450 R456 22 22 22 Q451 KTA1271Y-AT Q453 2SC2001 BIAS OSC C454 0.0047 C453 0.001 R457 22k C462 470p R466 0 R464 1k R462 2.2k R461 R463 R465 2.2k 1k 0 1 6 2 5 R459 R460 0 0 3 C452 47 16V 4 L451 BIAS OSC C456 0.01 C356 10 50V JR310 0 C307 0.01 R307 4.7k C355 0.01 R308 4.7k R441 0 C461 470p R458 4.7 C458 0.0022 Q305 2SC3052 MUTING Q306 2SC3052 MUTING CN301 3P HP1 (PB) (DECK-A) L-CH R-CH CN302 8P HRPE1 (REC/PB/ERASE) (DECK-B) ERASE R-CH L-CH HCD-GX470/GX570 4 4