Sony HCD-HX7 Service Manual - Page 34

HCD-HX3/HX5/HX7 6-16. SCHEMATIC DIAGRAM - MAIN Section (2/3) - See page 46 for IC Block Diagrams. EP301 (CHASSIS) (HX7) (Page 31) CN314 15P RST# ERR-IRQ#(NC) CMD-SEL(NC) DGND XM 5.4V DGND SC-D-IN SC-D-OUT XM +5V XM 5V POWER XM +3.3V +9V R-OUT AGND L-OUT (HX5/HX7) (2/3) 91 SCDIN SCDOUT 92 (Page 29) (HX3/HX7) (Page 37) (Page 39) (HX5) Q302 2SC3052F CN309 15P BT_AV_ROLE BT_CTS BT_RXD BT_RTS BT_TXD BT_RESET DGND DVDD5 AVDD5 AOUTL AGND AOUTR AINR AGND AINL CN310 19P /OTW OVF PGMUTE SOFTMUTE /RST DGND /SD SCDT SCSHIFT SCLATCH DGND NSPMUTE INIT D+3.3V L-IN AGND R-IN AGND A+5V R250 22k R249 470 R248 10k Q323 KTA1271Y-AT Q324 RT1N141C R251 1k 65 Q302,323,324 B+ SWITCH 60 61 31 34 32 63 R105 4.7k R106 47k R205 4.7k R206 47k R233 4.7k R133 4.7k R232 4.7k R132 4.7k R231 C248 2.2k 1 50V R131 C148 2.2k 1 50V 47 7 45 44 43 42 33 40 39 D203 1N4002-B5 A1 A2 A3 A4 A5 (Page 33) (HX7) VCC GND 94 58 57 59 SCDOUT 93 SCDIN 35 36 93 NOISE VO GND VI CONT +5V REGULATOR IC308 MM1615ANLE C318 0.01 C319 220 10V JR115 (HX3/HX5) 0 X1 X AOUTL AOUTR Y1 Y JR116 0 (HX3/HX5) LIN LIN RIN (HX3) JR112 0 (HX5/HX7) (HX3) JR101 0 C247 1 50V R226 100k R228 100k R122 10k Q308 RT1N141C INVERTER Q309 RT1N141C INVERTER Q311 RT1N141C INVERTER R121 10k R221 10k DATA BUS SWITCH IC318 TC74HC4066AFT C365 0.1 1A 1B 2B 2A 2C 3C GND VCC 1C 4C 4A 4B 3B 3A R428 4.7k R431 2.2k R413 10k Q320 RT1N141C INVERTER R426 4.7k Q314,315 B+ SWITCH Q314 2SA1235 C113 1 50V R120 2.2k R124 100k R119 100k R129 100k B A X3 X0 X X1 X2 VCC D216 MC2838 R416 1k 92 OUTPUT SELECTOR IC310 MC14052BD Y0 Y2 Y Y3 Y1 INH VEE GND VCC X2 X1 X X0 X3 A B R425 1k R427 10k Q315 RT1N141C INPUT SELECTOR IC303 MC14052BD C213 1 50V Y0 Y2 Y Y3 Y1 INH VEE GND C368 100 16V R220 2.2k R219 100k R229 100k R224 100k C214 1 50V 52 53 54 R109 10k IC315 RT3C55M MUTING E1 C2 B1 B2 C1 E2 R110 10k R210 10k C147 1 50V R209 10k Q304 RT1P141C Q303,304 MUTING CONTROL SWITCH R123 10k Q303 RT1N141C R126 100k R128 100k C107 1 50V R111 1k Q328 RT1N141C INVERTER C240 1 LEVEL SHIFT IC321 TC7WT125FU(TE12R) Q316 2SA1235 Q316,317 B+ SWITCH R415 10k R414 1k Q317 RT1N141C R130 3.3k R230 3.3k C114 1 50V C321 0.1 +9V REGULATOR IC305 KIA7809API C315 0.1 C308 470 10V +7V REGULATOR C337 1 OGI C302 0.1 D209 1N4002-B5 (HX3:CND/HX5:CND,AUS,KR) IC306 TA7807S OGI C304 0.1 D205 1N4002-B5 D209 D206 1N4002-B5 (HX3:AEP/HX5:AEP,UK/HX7) D207 1N4002-B5 +4V REGULATOR IC307 TA7804LS C348 1 O GI C307 0.1 R117 100k IC316 RT3C55M MUTING E1 C2 B1 B2 C1 E2 R118 R218 1k 1k C353 0.01 R217 100k R421 100k R422 10k R419 1 R423 22k 85 JW117 R356 4.7k R355 0 R354 10 R359 0 R243 2.2k R358 100 R357 4.7k L-OUT A-GND SSP_D_IN GND SSP_D_OUT PWR ENABLE R-OUT J301 8P SIRIUS (CHASSIS) CN316 3P 1 3 +5.4V REGULATOR IC309 KIA7805AIP OG I C360 220 10V D215 C359 11EQS04 0.1 C301 2200 16V CN304 2P 11V GND (Page 45) CN321 2P(HX3) 4P(HX5) +11V GND DVDD_5V DGND (HX5) (HX3/HX5) (Page 27) (HX7) Q307 RT1P141C R216 47 Q306 RT1N141C R116 47 C112 220 10V R115 22k R113 4.7k Q305 KTC3198GR RIPPLE FILTER VCC GND R112 100k HEADPHONE AMP IC317 NJM4580MD R127 22k C363 0.1 C366 47 25V R114 2.2k R214 C364 2.2k 220 10V R435 22k C212 220 10V Q306,307 MUTING CONTROL SWITCH C207 1 50V R211 R215 1k 22k R212 100k R213 4.7k C111 220 10V C4 C3 C1 C2 (Page 35) HCD-HX3/HX5/HX7 34 34