Sony HCD-VX90AV Service Manual

HCD-VX90AV

SERVICE MANUAL

HCD-VX90AV is the tuner, deck, CD and
amplifier section in MHC-VX90AV.

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

CD

SECTION

TAPE DECK

SECTION

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
T ape Transport Mechanism T ype TCM-230AWR2/230PWR2

E Model

SPECIFICATIONS

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MICROFILM

COMPACT DISC DECK RECEIVER

– 1 –

7-4. SCHEMATIC DIAGRAM – BD SECTION –

• See page 31 for Waveforms.

• See page 79 for IC Block Diagrams.

• See page 82 for IC Pin Functions.

HCD-VX90AV

(Page 43)

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– 36 –

HCD-VX90AV

7-5. SCHEMATIC DIAGRAM – DECK SECTION –

• See page 79 for IC Block Diagrams.

B

(Page 53)

– 37 –

– 38 –

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

• See page 32 for Waveforms.

• See page 84 for IC Pin Functions.

HCD-VX90AV

(Page 47)

12

(Page 35)

(Page 53)

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

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– 44 –

HCD-VX90AV

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

(Page 43) (Page 43)

• See page 32 for Waveforms. • See page 41 for Printed Wiring Board. • See page 86 for IC Pin Functions.

12

(Page 47)

– 45 –

(Page 47)

– 46 –

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

(Page 44)

HCD-VX90AV

(Page 44)

(Page 46)

(Page 46)

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12

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