Schematic Diagram - Audio Board - Sony HCD-GRX70 Service Manual

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7-11. SCHEMATIC DIAGRAM – AUDIO Board – •
(PLAYBACK)
REC BIAS (R)
(DECK B)
See page 66 for IC Block Diagram.
PB EQ AMP
(DECK A)
PB LEVEL (L)
(DECK A)
PB LEVEL (R)
(DECK A)
PB EQ AMP
(DECK B)
PB LEVEL (L)
(DECK B)
PB LEVEL (R)
(DECK B)
SWITCHING
REC BIAS (L)
(DECK B)
REC BIAS
-6.8
BIAS OSC
– 39 –
HCD-GRX70/GRX70J/RXD80
D
(Page 49)
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
(
) : RECORD
The components identified by mark ! or dotted
Les composants identifiés par une marque ! sont
line with mark ! are critical for safety.
critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified.
par une piéce portant le numéro spécifié.
– 40 –

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