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
— Continued on next page —
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)
– 35 –
– 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)
– 43 –
– 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)
– 47 –
12
– 48 –
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