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HCD-XG60/XG500
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29
7-11. SCHEMATIC DIAGRAM – AUDIO Board –
•
See page 47 for IC Block Diagram.
C
MAIN BOARD
CN303
PB LEVEL (L)
(DECK A)
PB LEVEL (L)
(DECK B)
REC BIAS (L)
(DECK B)
REC BIAS (R)
(DECK B)
–7
–7
6.9
6.9
–6.5
–6.5
–6.5
–6.5 (–7.2)
(PALYBACK)
PB EQ AMP
(DECK A)
PB EQ AMP
(DECK B)
SWITCHING
T621
BIAS OSC
REC BIAS
NC
A+7.5V
APB-LCH
APB-RCH
AGND
BPB-LCH
BPB-RCH
A–7.5V
–VBIAS (–7.5V)
+VBIAS (+7.5V)
BREC-RCH
BREC-LCH
TC-HEAD-GND
R492 1.5K
R491 820
R482 1.5K
R481 820
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TAPE PLAY
(
) : RECORD
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
(Page 32)