HCD-GR5, HCD-RX50, MHC-GR5, MHC-RX50 - Sony Audio Service Manual (repair manual). Page 4

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 .................................................................... 6

3-1. Front Panel ....................................................................... 8
3-2. TC Mechanism Deck ....................................................... 8
3-3. HP Board, JOG Board and PANEL Board  ...................... 9
3-4. CD Block ......................................................................... 10
3-5. CD Mechanism Deck ....................................................... 10

......................... 11

DECK Section ......................................................................... 11
TUNER Section ....................................................................... 14
CD Section .............................................................................. 16

6-1. Block Diagrams

• CD Section ..................................................................... 18
• Main Section ..................................................................19
• Tuner Section

(AEP, UK, German, East European Model) .................. 21

• Tuner Section (Tourist Model)  ..................................... 22
• Deck Section .................................................................. 23

6-2. Circuit Boards Location ................................................... 24
6-3. Printed Wiring Board — Panel Section —........................ 25
6-4. Schematic Diagram — Panel Section —

...................... 27

6-5. Schematic Diagram — Main Section — ........................ 31
6-6. Printed Wiring Board — Main Section — ...................... 35
6-7. Schematic Diagram — Deck Section — ........................ 39
6-8. Printed Wiring Board — Deck Section — ...................... 43
6-9. Schematic Diagram — CD Section — ............................ 46
6-10.Printed Wiring Board — CD Section — ......................... 49
6-11.Schematic Diagram — Tuner Section —

(AEP, UK, German, East European Model)...................... 52

6-12.Schematic Diagram — Tuner Section —

(Tourist Model) ................................................................. 55

6-13.Printed Wiring Board — Tuner Section —

(AEP, UK, German, East European Model) ..................... 58

        (Tourist Model) ................................................................ 59
6-14.IC Pin Functions

• IC501 Graphic Control (µPD78042FGF-027-3B9)........ 61
• IC701 Master Control (TMP87CP64YF-6521).............. 62

6-15.IC Block Diagrams .......................................................... 65

7-1. Case Section ..................................................................... 71
7-2. Back Panel Section .......................................................... 72
7-3. Front Panel Section 1 ....................................................... 73
7-4. Front Panel Section 2 ....................................................... 74
7-5. CD Mechanism Section (CDM28-5BD19) ...................... 75
7-6. Base Unit Section (BU-5BD19) ....................................... 76
7-7. TC Mechanism Section 1 (TCM-220WR2E) .................. 77
7-8. TC Mechanism Section 2 (TCM-220WR2E) .................. 78

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