Sony HCD-HX7 Service Manual - Page 33
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6-15. SCHEMATIC DIAGRAM - MAIN Section (1/3) - • See page 41 for Waveforms. • See page 46 for IC Block Diagrams. • See page 53 for IC Pin Function Description. HCD-HX3/HX5/HX7 (Page 43) CN302 17P USB/BT LED LED STANDBY EVER+3.3V SIRCS DGND VOLUME JOG KEY0 KEY1 KEY2 FL RESET FL SD FL CS FL SCLK FL PWR ON FL +7V FL +11V FL DGND HCD-HX3/HX5/HX7 78 80 R378 100 R380 100 (1/3) 76 78 4 84 83 82 81 75 73 72 71 70 (HX3/HX5:CND,AEP,UK/HX7) R467 1k(HX3:CND/HX5:CND/HX7) 4.7k(HX3:AEP/HX5:AEP,UK) R367 0(HX5:AUS,KR) 4.7k(HX3:CND/HX5:CND/HX7) (HX3:CND/HX5:CND,AUS,KR/HX7) D218 1SS355W D219 1SS355W 81 R481 10k R381 100 82 R482 10k R382 100 83 R483 10k R383 100 84 R384 100 85 (HX3:AEP/HX5:AEP,UK) 86 R386 100 87 R387 100 88 R388 100 89 R389 100 90 R390 100 91 R391 100 92 R392 100 93 R393 100 (HX7) 94 R394 100 R489 0 (HX3:CND/HX5:CND,AUS,KR/HX7) 100 R400 100 KEY2 KEY1 KEY0 VOLUME JOG AC_DET RDS DATA ST CE ST DATA IN/STEREO ST CLK ST DATA OUT XM RESET XM_PWR_3.3V/5V SAT SEL SR_PWOER DAB_PWR_3.3V AVSS DAB_PWR_5V VREF AVCC CD BUS3 CD BUS2 CD BUS1 CD BUS0 SIRCS DEC BUS SEL2 DEC BUS SEL1 S-MASTER SOFT MUTE BYTE CN VSS XCIN XCOUT RESET XOUT VSS XIN VCC NMI RDS INT SBSY AC CUT CD ON CD DRIVE MUTE CD CLK CD CCE CD XRST MP3 IREQ USB RESET USB POWER IIC CLK IIC DATA STBY RELAY NC STBY LED BT LED USB LED FL RESET KEY WAKE UP FL SD FL CS FL SCLK FL POWER ON AUDIO IN DET HP DET SPEC IN MODEL IN BT POWER VSS BT RESET VCC BT_CTS BT_AV_ROLE SEL INH SEL B SEL A AMP CLOCK AMP DATA TA LINE-MUTE BT AUD OUT MUTE HP MUTE (HX5/HX7) R377 100 76 (HX3) R376 100 R375 100 75 R374 1M R373 470 73 R372 470 72 R371 470 71 R370 100 70 R369 100 R469 10k 69 R368 100 R468 10k 68 (HX5/HX7) R466 4.7k 65 63 61 R360 100 60 59 58 57 56 55 54 53 52 51 R365 100 R363 100 R361 100 (HX3) R366 R461 0 4.7k SYSTEM CONTROLLER IC301 M3062LFGPFP-710(HX3/HX5) M3062LFGPFP-712(HX7) R351 100 R451 10k C362 0.1 CDM CLOSE SW CDM OPEN SW CDM LOAD IN CDM LOAD OUT S-MASTER PG MUTE PULL UP S-MASTER RST S-MASTER SD S-MASTER DATA S-MASTER SHIFT PULL DOWN S-MASTER NSP MUTE S-MASTER INIT USB_RTS USB_CTS USB RXD/ SAT RXD USB TXD/ SAT TXD BT_RTS S-MASTER LATCH BT_DIN/ DAB RXD BT_DOUT/ DAB TXD R450 10k R350 100 R349 100 R348 100 R446 10k R345 100 R344 100 R343 100 R342 100 R441 10k R340 100 R339 100 R336 100 R335 100 R334 100 R332 100 R331 100 R432 4.7k (HX3) CN305 3P 80 POWER ON/OFF 4V(SUB) GND 50 49 48 47 45 44 43 42 38 40 (HX3/HX5) 39 R338 100 36 R337 100 35 34 37 33 32 31 31 34 33 32 9 12 CN306 2P 4V(SUB) GND CN313 9P GND RXD BUSY VDD SCLK TXD PGM RST GND (Page 45) (Page 45) (NC) R433 10k R434 10k R326 100 R325 100 R324 100 R323 100 R322 100 R321 100 R320 47k R319 100 C316 0.1 R316 0 R417 10k R313 0 R311 220k X301 32.768KHz R306 100 R305 100 R304 100 R303 100 R302 100 R301 100 D220 1N4002-B5 7 6 4 3 2 1 R309 10k (HX3/HX5) C317 1000 6.3V R420 10k 12 9 C312 0.1 Q301 2SC3052F RESET SWITCH R401 47k C404 0.1 R402 D217 47k 1SS355W C403 0.1 X302 5MHz C401 0.1 33 33 C310 22p C311 22p R412 10k 19 21 22 23 24 (HX3/HX5) R328 100 R327 100 HX3:CND/HX5:CND, AUS,KR/HX7 R418 0 R318 100 HX3:AEP/ HX5:AEP,UK D221 1N4002-B5 18 28 27 26 25 RESET SIGNAL GENERATOR IC302 PST3629NR OUT CD VDD GND NC C402 0.1 A1 A2 A3 A4 (Page 34) A5 B1 B2 B3 B4 (Page 35)