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Q Q
3 7 6 3 1 5 1 5 0
7-11.
SCHEMATIC DIAGRAM
AUDIO BOARD
(PLAYBACK)
T E
L
1 3 9 4 2 2 9 6 5 1 3
REC BIAS (R)
(DECK B)
w w w
.
16
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• Refer to page 48 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
x
a o
u 1 6 3
y
i
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8
9
Q
Q
3
7
6
3
1
5
1
c o
.
33
33
2
4
2
9
8
5
0
8
9
2
4
9
8
2
D
(Page 38)
• Voltages are dc with respect to ground under no-signal
m
conditions.
no mark : TAPE PLAY
(
) : RECORD
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
HCD-VX550
9
9
9
9
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