Sony HCD-VR50 User manual

– 1 –

HCD-VR50/VR70

E Model

SPECIFICATIONS

COMPACT DISC DECK RECEIVER

— Continued on next page —

Model Name Using Similar Mechanism HCD-DR7AV/XB800AV

CD Mechanism Type CDM37L-5BD34L

Base Unit Type BU-5BD34L

Optical Pick-up Type KSS-213D/Q-NP

Model Name Using Similar Mechanism HCD-DR7AV/XB800AV

Tape Transport MechanismType TCM-230AWR2/230PWR2

SECTION

TAPE DECK

SECTION

MICROFILM

SERVICE MANUAL

HCD-VR50/VR70 is the tuner, deck, CD and

amplifier section in LBT-VR50/VR70. Photo: HCD-VR50

HCD-VR50-/VR70

– 37 – – 38 –

7-4. SCHEMATIC DIAGRAM – BD SECTION –

• See page 32 forWaveforms.

• See page 98 for IC Block Diagrams.

• See page 101 for IC Pin Functions.

(Page 45)

HCD-VR50/VR70

– 39 – – 40 –

7-5. SCHEMATIC DIAGRAM – DECK SECTION –

• See page 98 for IC Block Diagrams.

(Page 59)

HCD-VR50-/VR70

– 45 – – 46 –

7-8. SCHEMATIC DIAGRAM –VIDEO (1/3) SECTION –

• See page 34 forWaveforms.

• See page 103 for IC Pin Functions.

(Page 37)

(Page 58)

(Page 47) (Page 47) (Page 49)

(Page

49)

HCD-VR50/VR70

– 47 – – 48 –

7-9. SCHEMATIC DIAGRAM –VIDEO (2/3) SECTION –

• See page 34 forWaveforms.

• See page 43 for PrintedWiring Board.

(Page 45) (Page 45)

(Page

49)

(Page

49)

• See page 105 for IC Pin Functions.

HCD-VR50-/VR70

– 49 – – 50 –

7-10. SCHEMATIC DIAGRAM –VIDEO (3/3) SECTION –

• See page 34 forWaveforms.

• See page 43 for PrintedWiring Board.

(Page 46)

(Page 48)

(Page 53)

HCD-VR50-/VR70

– 53 – – 54 –

7-12. SCHEMATIC DIAGRAM – MAIN (1/5) SECTION –

• See page 99 for IC Block Diagrams.

(Page 50)

(Page 84)

(Page

62)

(Page

57)

(Page

60)

(Page

56)

(Page

61)

HCD-VR50/VR70

– 55 – – 56 –

7-13. SCHEMATIC DIAGRAM – MAIN (2/5) SECTION –

• See page 34 forWaveforms.

• See page 51 for PrintedWiring Board.

• See page 108 for IC Pin Functions.

(Page 61) (Page 54)

(Page 62)

(Page 72)

(Page 58)

(Page 57, 58)

(Page 59,

60)

HCD-VR50/VR70

– 57 – – 58 –

7-14. SCHEMATIC DIAGRAM – MAIN (3/5) SECTION –

• See page 51 for PrintedWiring Board.

(Page 59)

(Page 54)

(Page 55, 56) (Page 56)

(Page 45)

(Page 88)

(Page 61)

HCD-VR50/VR70

– 59 – – 60 –

7-15. SCHEMATIC DIAGRAM – MAIN (4/5) SECTION –

• See page 51 for PrintedWiring Board.

(Page 40)

(Page 70)

(Page 61)

(Page 57) (Page 55)

(Page 54)

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