Yamaha GX-700 Service Manual page 49

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A
B
PRINTED CIRCUIT BOARD (Foil side)
1
P.C.B. MAIN(1)
2
-27V
-12V
-HB
-LB
TRAC
E
3
RYB
RY
+LB
-LB
RE
CE
CE
CT
CT
PRO
4
W206
L
R
5
FRONT
SPEAKERS
6
C
FROM: MAIN(3)
-LB
KGND
+12M
LB
-27V
-12V
12V
FAC2
FAC1
AMPMUT
UGND
THER
VPRT
SRON
IPRT
PREOR
DGND
PREOL
AGND
PREOC
#14
TO: EFFECT(2)
D
E
P.C.B. MAIN(2)
FROM: POWER CORD
AC1
AC2
GY
BR
TO: MAIN(3)
FROM: INPUT(1)
P.C.B. MAIN (3)
HAC
LAC
E
E
E
LAC
HAC
CDAC2
CDAC1
FAC2
FAC1
#10
W203
TO: MAIN (1)
TO: MAIN (2)
#9
W204
TO: MAIN (1)
60
F
G
GX-700/GX-700VCD
CIRCUIT CHANGES BY MARKET.
U, C
R, T
A, B, G, L
Q217
X
O
X
HS202
X
O
X
D216
X
O
X
C260, 262
X
O
X
R274, 275
X
O
X
FAN -
R276
O
X
X
FAN +
J201
O
X
O
O : USED
X : NOT USED
P.C.B. MAIN (5)
ACIN
SUBB
PRON
SUBE
FAN
KGND
-LB
FROM: MAIN(1)
P.C.B. MAIN (4)
BR
OR
BE
WH
BR
OR
YE
YE
RE
R, T only
VOLTAGE
SELECTOR
SW204
110V
1-2/5-6
120V
2-3/6-7
240V
3-4/7-8
220V
4-5/8-1
H
E
E
-LB
-HB
-12V
-27V
BE
RE
WH
61

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