Yamaha GX-900 Service Manual page 71

A B
PRINTED CIRCUIT BOARD (Foil side)
1
P.C.B. OPERATION(3) (Lead Type Device)
Q W
INPUT
2
MUSIC B. BOOST
MD REC/
TIME REPEAT RANDOM
PAUSE SET CHARACTER
DISPLAY MEMORY AUTO/ TAPE REC/ DOLBY
MANUAL PAUSE NR
STANDBY/ON
3
W802
P.C.B. OPERATION(3)
4
5
6
C
FROM: INPUT(1)
YMERSION
9 1
J923
TREBLE BASS
MODE
CHARACTER
+ –
TO: OPERATION(4)
(Surface Mount Device)
D E
FROM: INPUT(1)
1 12
24 13
PHONES
W810
BL
80
F G
P.C.B. MAIN(1)
FROM: MAIN(3)
-27V
-12V
-HB
-LB
TRAC
E
-LB
KGND
+12M
LB
-27V
-12V
12V
FAC2
FAC1
AMPMUT
UGND
THER
VPRT
SRON
IPRT
PREOR
DGND
PREOL
AGND
PREOC
L R
FRONT
SPEAKERS
H
GX-900
81