Sony HCD-VX90AV User manual

– 1 –

HCD-VX90AV

E Model

SPECIFICATIONS

COMPACT DISC DECK RECEIVER

— Continued on next page —

Model Name Using Similar Mechanism HCD-GRX80/RXD8/RXD8S

CD Mechanism Type CDM38L-5BD34L

Base Unit Type BU-5BD34L

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

Model Name Using Similar Mechanism HCD-GRX80/RXD8/RXD8S

Tape Transport Mechanism Type TCM-230AWR2/230PWR2

CD

SECTION

TAPE DECK

SECTION

MICROFILM

SERVICE MANUAL

HCD-VX90AV is the tuner, deck, CD and

amplifier section in MHC-VX90AV.

HCD-VX90AV

– 35 – – 36 –

7-4. SCHEMATIC DIAGRAM – BD SECTION –

• See page 31 forWaveforms.

• See page 79 for IC Block Diagrams.

• See page 82 for IC Pin Functions.

(Page 43)

HCD-VX90AV

7-5. SCHEMATIC DIAGRAM – DECK SECTION –

• See page 79 for IC Block Diagrams.

– 37 – – 38 –

(Page 53)

B

HCD-VX90AV

– 43 – – 44 –

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

• See page 32 forWaveforms.

• See page 84 for IC Pin Functions.

12

(Page 53)

(Page 35)

(Page 47)(Page 45)(Page 45)

(Page 47)

HCD-VX90AV

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

– 45 – – 46 –

(Page 43) (Page 43)

(Page 47)

12

(Page 47)

• See page 32 forWaveforms. • See page 41 for PrintedWiring Board. • See page 86 for IC Pin Functions.

HCD-VX90AV

– 47 – – 48 –

(Page 46)

(Page 44)

(Page 44)

12

(Page 46)

7-10. SCHEMATIC DIAGRAM – VIDEO (3/3) SECTION – • See page 32 forWaveforms. • See page 41 for PrintedWiring Board. • See page 80 for IC Block Diagrams.

HCD-VX90AV

– 51 – – 52 –

7-12. SCHEMATIC DIAGRAM – MAIN (1/4) SECTION –

(Page 56)

(Page 56)(Page 54)

(Page 53)

(Page 58)

(Page 67)

(Page 69)

HCD-VX90AV

7-13. SCHEMATIC DIAGRAM – MAIN (2/4) SECTION –

• See page 49 for PrintedWiring Board.

– 53 – – 54 –

(Page 74)

(Page 74)

(Page 43)

(Page 38)

(Page 60)

(Page 55)

(Page 56)

(Page 52)(Page 51)

HCD-VX90AV

– 55 – – 56 –

7-14. SCHEMATIC DIAGRAM – MAIN (3/4) SECTION –

(Page 54)(Page 54)

(Page 52)

(Page 52)

(Page 57) (Page 58)

• See page 32 forWaveforms. • See page 49 for PrintedWiring Board. • See page 89 for IC Pin Functions.

HCD-VX90AV

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

• See page 49 for PrintedWiring Board.

– 57 – – 58 –

(Page 55)

(Page 64)

(Page 77) (Page 69)

(Page 52)(Page 56)

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