Schematic Diagram - Audio Board - Sony LBT-LX5 Service Manual

Compact hi-fi stereo system
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4-7. SCHEMATIC DIAGRAM – AUDIO Board –
(PLAYBACK)
REC BIAS (R)
(DECK B)
See page 36 for IC Block Diagrams.
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
NC
A +7.5V
APB–LCH
APB–RCH
AGND
BPB–LCH
BPB–RCH
E
A –7.5V
(Page21)
–VBIAS (–7.5V)
+VBIAS (+7.5V)
B–REC–RCH
B–REC–LCH
TC–HEAD–GND
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
(
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
17
17
HCD-LX5/LX6/LX30/LX50
) : RECORD
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.

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