Sony HCD-XG500 Service Manual - Page 20

HCD-XG60/XG500 7-2. BLOCK DIAGRAM - TUNER/TAPE DECK Section - HP101 (PLAYBACK) L-CH R-CH HRPE101 (1/2) (RECORD/PLAYBACK) L-CH R-CH R-CH R-CH PB EQ AMP (DECK A) IC611 (2/2) RV311 PB LEVEL (L) (DECK A) PB EQ AMP (DECK A) IC611 (1/2) PB EQ AMP (DECK B) IC601 (2/2) RV301 PB LEVEL (L) (DECK B) PB EQ AMP (DECK B) IC601 (1/2) REC/PB SWITCHING IC602 3 1 R-CH R-CH 4 2 C331, L331 BIAS TRAP RV441 REC BIAS (R) (DECK B) RV341 REC BIAS (L) (DECK B) HRPE101 (2/2) (ERASE) (AEP, UK) COAXIAL FM 75Ω (EXCEPT AEP, UK) FM 75Ω AM ANTENNA BIAS OSC T621 REC BIAS SWITCH Q623 BIAS OSC Q621, 622 A+7V FM/AM TUNER UNIT FM ANT FM ANT ST-L ST-R ST-MUTE AM ANT STEREO TUNED AM ANT ST-DIN ST-DOUT ST-CLK ST-CE (AEP, UK) RDS-DATA RDS-INT R-CH ST-MUTE STEREO TUNED ST-DIN ST-DOUT ST-CLK ST-CE RDS-DATA RDS-INT A 120/70 B NORM/CROM ALC ON/OFF PB A/B NORM/HIGH BIAS ON/OFF RM ON/OFF NR ON/OFF REC/PB/PASS LM ON/OFF R IN (L) ALC (L) R OUT (L) ALC IN (L) REC OUT (L) EQ IN (L) DECK PROCESS, DECK A/B SELECT, PB/REC EQ AMP, DOLBY NR AMP, ALC, AMS IC301 A IN (L) 48 B IN (L) 46 A IN (R) 51 B IN (R) 53 R-CH 70 120 R-CH + L.P.F. BIAS (N) 33 32 BIAS (C) 31 BIAS (M) BIAS CONTROL CIRCUIT BUFFER MAOUT 28 43 44 17 19 15 16 18 20 22 23 24 25 27 MSIN AMS CIRCUIT MSOUT 26 S1004 (DECK A 120/70) S1008 (DECK B 120/70) DOLBY PASS DOLBY NR AMP CIRCUIT ALC 35 34 39 PB OUT (L) 40 EQ OUT REC EQ AMP (L) 36 38 RV301 REC LEVEL (L) (DECK B) PB-L B (Page 21) • R-ch is omitted due to same as L-ch. • SIGNAL PATH : TUNER (FM/AM) : PLAYBACK (DECK A) : PLAYBACK (DECK B) : RECORD REC-L C (Page 21) ROTATION DETECT SENSOR (DECK A) IC1001 ROTATION DETECT SENSOR (DECK B) IC1002 TRIGGER PLUNGER TRIGGER PLUNGER DECK A DECK B TRIGGER PLUNGER DRIVE (DECK A) Q333, 334 TRIGGER PLUNGER DRIVE (DECK B) Q331, 332 RV1001 TAPE SPEED (HIGH) RV1002 TAPE SPEED (NORMAL) CAPSTAN MOTOR CONTROL SWITCH Q1001 Q335 100 85 84 83 82 81 80 79 78 77 91 90 73 72 76 RDS-DATA RDS-INT CAP-M-H/L B-TRG A-TRG B-SHUT A-SHUT AMS-IN TC-MUTE R/PB/PAS NR-ON/OFF REC-MUTE BIAS EQ-H/N PB-A/B ALC TC-RELAY A-PLAY-SW B-PLAY-SW D+5V (UNSW) 87 86 88 S1003 (DECK A HALF) S1001 S1002 (DECK A PLAY) (DECK B PLAY) S1006 (DECK B HALF) S1005 (DECK A REC) S1009 (DECK B REC) A-HALF B-HALF SYSTEM CONTROLLER (CD MECHANISM CONTROL) IC501 (2/4) 89 ST-MUTE STEREO TUNED ST-DIN ST-DOUT ST-CLK ST-CE RDS-DATA RDS-INT ST-MUTE STEREO TUNED 49 50 51 ST-DIN ST-DOUT ST-CLK ST-CE 54 53 55 52 CAPM-CNT2 74 (AEP, UK) 21 20 CAPSTAN MOTOR DRIVE Q336, 339 M M1 (CAPSTAN) CT-L D (Page 21) 20 20