Sony HCD-HPX7 Service Manual - Page 60

HCD-HPX7 7-2. BLOCK DIAGRAM - MAIN SECTION - A CD J301 L MD/VIDEO R R-CH HRP350 (REC/PB/ERASE) L-CH R-CH R-CH RV101 REC BIAS (L) R-CH ERASE TAPE MECHANISM DECK BLOCK M M+10V CAPSTAN/ REEL TRGM+ PACK F REC R REC END SW PLAY SW BIAS TRAP T101 79 CONT 4 8 REC/PB SWITCH IC301 LEVEL SHIFT R/P Q301, 302 BIAS OSC T301 RIPPLE FILTER Q305 BIAS OSC Q303, 304 REC BIAS BIAS SWITCH Q306, 307 CAPSTAN/REEL MOTOR DRIVE Q310, 311 TC CONT PLUNGER DRIVE Q308, 309 TC TRG HALF END SW PLAY SW MD IN L 1 CD IN L 61 TU IN L 63 TAPE IN L 11 PB OUT L 7 TAPE L 3 REC OUT L 15 SI SC OCP INPUT SELECT, TONE CONTROL, ELECTRICAL VOLUME IC302 TONE OUT EQ 37 VOL IN L 36 VOL OUT L 33 POWER ON MUTING Q601 MUTING Q501 R-CH D611 MUTING CONTROL Q602, 603 POWER AMP IC601 STANDBY SWITCH Q604 19 18 R-CH AC DET C HP SW B J321 PHONES OVER LOAD DETECT Q502 + R-CH + R-CH RELAY DRIVE Q610, 611 + RY301 PROTECT CONTROL IC602 VP 2 CT 4 OUT 3 1 RELAY OFF SWITCH Q609 RELAY B+ SWITCH Q605, 606 + L - + R - TM301 SPEAKER IMPEDANCE USE 6 - 16Ω THP801 TEMPERATURE DETECT Q607 D608 D609 PROTECT SWICTH Q608 +POWER UNREG OVER LOAD DETECT Q316 FAN MOTOR DRIVE Q315 +13V REGULATOR Q324 M M301 (FAN) TC TRG TC CONT HALF PLAY SW END SW BIAS R/P S301 (TC DOOR) 76 77 95 75 94 78 79 87 88 82 83 86 84 85 AMP POWER PROTECT SP RELAY LINE MUTE TC DOOR SW TC TRG TC CAPM CONT TC HALF/REC SW TC PLAY TC END SW BIAS ON TC R/P EQ DATA EQ CLK ANTENNA FM 75Ω AM FM/AM TUNER PACK LOUT ROUT DI DO CLK CE TUNED STEREO MUTE RDS DATA RDS INT AEP, UK R-CH ST DIN ST DOUT ST CLK ST CE TUNED STEREO ST MUTE RDS DATA RDS INT RDS INT RDS DATA ST DIN ST DOUT ST CLK ST CE TUNED STEREO ST MUTE RDS-CLK RDS DATA ST DATA OUT ST DATA IN ST CLK ST CE ST TUNED ST STEREO ST MUTE 18 68 71 72 73 70 69 68 67 AEP, UK SYSTEM CONTROLLER IC306 (2/3) X IN X OUT XC OUT XC IN 15 13 11 10 X302 16MHz X301 32.768kHz • R-ch is omitted due to same as L-ch. • SIGNAL PATH : FM : CD PLAY : TAPE PLAY : TAPE REC : AUX IN HCD-HPX7 60 60