Yamaha mg8/2fx Service Manual page 55

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H
QQ
3 7 6 3 1 5 1 5 0
■ OVERALL CIRCUIT DIAGRAM 4/6 (MAIN 4/5)
MAIN
FOOT
SWITCH
T E
L 1 3 9 4 2 2 9 6 5 1 3
■ OVERALL CIRCUIT DIAGRAM 5/6 (MAIN 5/5)
KIA7815API (X4930A00)
KIA7915PI(X4931A00)
REGULATOR +15V
REGULATOR -15V
KIA7812API (X4153A00)
REGULATOR +12V
KIA7805API (X4928A00)
REGULATOR +5V
MAIN:IC01
MAIN:IC03
MAIN:IC04,05
3
2
1
3
2
1: OUTPUT
1
2: COMMON
3: INPUT
µPC2933AT-E1(X0638A00)
RH5RZ25CA-T1 (X3679A00)
REGULATOR +3.3V
REGULATOR +2.5V
DSP:ICM05
1
2
2
1
3
3
1: GND
2: V
DD
3: V
OUT
D1NS4 (VN771700)
1SS355 TE-17 (VT332900)
DIODE
DIODE
MAIN:D05-06
MAIN:D301-303, 401-403
www
1
2
2
.
1: ANODE
2: CATHODE
http://www.xiaoyu163.com
G
F
ON
ON
To DSP-CNM02
From MAIN 3/5:I6
H
G
MAIN
MAIN:IC02
1: OUTPUT
BR
2: INPUT
3: COMMON
BL
RE
1N4004 (WC707800)
DIODE
DSP:ICM0
6
MAIN:D01-04, 07-09
4
2
1
1: INPUT
1: ANODE
2,4: COMMON
2: CATHODE
3: OUTPUT
MTZJ 33.0 B (VG443700)
MTZJ 27.0 B (VG442900)
ZENER DIODE
MAIN:ZD02
MAIN:ZD01, 04
1
x
a o
y
1
i
2
1: ANODE
1 : ANODE
2: CATHODE
2 : CATHODE
http://www.xiaoyu163.com
E
D
8
PROGRAM
PARAMETER
Note: See parts list for details of circuit board component parts.
(注:シートの部品の詳細はパーツリストをご参照ください。)
Q Q
3
7
6
3
1
F
E
MTZJ 16.0 B (VG441100)
MTZJ 8.2 B (VG438900)
(セ): Ceramic Capacitor(セラミックコンデンサ)
ZENER DIODE
MAIN:ZD03
MAIN:ZD07
Note: See parts list for details of circuit board component parts.
(注:シートの部品の詳細はパーツリストをご参照ください。)
u 1 6 3
1
.
2
1: ANODE
2: CATHODE
C
B
2
4
9
9
8
EFFECT RTN
To MAIN 1/5:A1, 2/5:A3, 3/5:J8
To MAIN 1/5:A1, 2/5:A3, 3/5:I8
5
1
5
0
8
9
2
4
9
D
C
REGULATOR
REGULATOR
REGULATOR
REGULATOR
REGULATOR
m
c o
A
2
9
9
MG8/2FX
1
2
3
4
5
28CC1-8831138
6
8
2
9
9
B
A
1
MG8/2FX
2
3
4
5
6
28CC1-8831138 1

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