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Pioneer GR-408 Service Manual page 7

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5
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
+12
GRAPHIC
V
CC
EQUALIZER
0
INPUT
IC1B
LA6458S
0
INPUT
BUFFER
0
AMP.
EQUALIZER
OFF / ON
R6
6.8k
INPUT BUFFER
AMP. OUTPUT
(EQUALIZER OFF)
OUTPUT
INPUT
BUFFER
AMP.
+12
V
CC
0
IC1A
LA6458S
0
V
EE
0
-12
R7
6.8k
5
6
GRAPHIC
EQUALIZER
OUTPUT
R36
6.8k
-12
GRAPHIC
EQUALIZER
INPUT
-12
EQUALIZER
OFF / ON
VR8
6
7
A
1/4
A
3/4
GRAPHIC
EQUALIZER
OUTPUT
GRAPHIC
EQUALIZER
GRAPHIC
EQUALIZER
VR1-VR14 : 01110203-230
OUTPUT
GRAPHIC
EQUALIZER
7
8
GR-408
EQ PCB
EQ ON/OFF PCB
A
7
8
A
B
C
D

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