Yamaha GX-900 Service Manual page 68

Mini component system
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A
B
GX-900
PRINTED CIRCUIT BOARD (Foil side)
1
P.C.B. INPUT (1)
FROM : OPERATION(3)
1
10
2
CLOSE.SW
OPEN SW
CLOSE
OPEN
MA
MB
DGND
+MCR
PLAY-SW
5V-SEBSOR
SENSOR-OUT
+SOL
CRO2
(Lch)
PACK
F.REC
NC
R.REC
3
(Rch)
9
E+
E-
Rch+
Rch-
Lch-
Lch+
AGND
FROM : OPERATION(2)
4
TO : OPERATION(3)
5
74
6
C
(Lead Type Device)
FROM : CD
HP.GND
5V
HP.R
5V
HPIN
HP.L
HP.R
HP.GND
E
HP.L
MUTESW
TONE.RIN
-
-
REC LEVEL ADJ.
TONE.LIN
-
YMA
E
TUNE.RIN
E
TONE.ROUT
TONE.LIN
E
TONR.LOUT
TONE.ROUT
E
TONE.LOUT
E
-12V
+12V
5V
MDJA
MDJB
DGND
(Lch)
(Rch)
W6
(Lch)
1
(Rch)
BIAS ADJ.
DGND
REM
SUB+5V
VREF
KEY1-1
KEY0
VOL A IN
VOL B IN
STANBY
TIMER
5.0V
FLRES
FLCE
FLCLK
FLDAT
FLGND
VP
FL1
FL2
DGND
#22
W12
#17
TO : MAIN(1)
W16
TO : MAIN(1)
D
E
#36
W8
TO : MD
FROM : TUNER
#34
W1
TO : INPUT (2)
HP.GND
HP.R
HP.L
E
TONE.RIN
TONE.LIN
E
TONE.ROUT
TONR.LOUT
W6
10
18
1
8
9
1
#16
W15
TO : MAIN(2)
#15
W14
75
F
G
P. C. B. INPUT ( 2 )
FROM : INPUT (1)
#41
W402
TO : MD
SUBWOOFER
OUT
#37
W18
TO : MD
OUT
AUX
IN
H
(Lead Type Device)
DIGITAL
IN

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