Yamaha spx2000 Service Manual page 86

A
Q Q
3 7 6 3 1 5 1 5 0
OVERALL CIRCUIT DIAGRAM 009 (MAIN 9/9)
T E
L 1 3 9 4 2 2 9 6 5 1 3
to POWER SUPPLY
UNIT-CN51
w w w
.
B C
REGULATOR
+3.3V
x a o u 1 6 3
y
i
28CC1-8828883-9 2
http://www.xiaoyu163.com
D E
8
Q Q
3 7 6 3 1
RB160L-60 (V8409200) RB160L-40 (VS597600)
DIODE DIODE
1
2
1: ANODE
2: CATHODE
NJM78M15DL1A(X3942A00) NJM79M15DL1A(X3943A00)
REGULATOR +15V REGULATOR -15V
2
1
3
1: INPUT
2: GND
3: OUTPUT
( F ) : Metal Film Resistor（金属皮膜抵抗）
（マ） : Mylar Capacitor（マイラコンデンサ）
.
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F
2 4
9 9 8
REGULATOR
+15V
REGULATOR
+5V
REGULATOR
-15V
5 1 5 0 8 9 2 4
HZK3CTR3.3V (V9544100) RLZ11B11.0V (VK040100)
ZENER DIODE ZENER DIODE
1 1
2 2
1: ANODE 1: ANODE
2: CATHODE 2: CATHODE
NJM78M05DL1A(XS534A00)
PQ033Y3H3ZP(X2589A00)
REGULATOR +5V REGULATOR +3.3V
2
2
1
1 1
3 3
1: COMMON 1: INPUT
2: INPUT 2: GND
3: OUTPUT 3: OUTPUT
m
c o
OVERALL CIRCUIT DIAGRAM 009 (MAIN 9/9)
G H
2
9 SPX2000 9
1
2
3
9 8 2 9 9
1
2
4
1: ANODE
2: CATHODE
6
1: DC INPUT
5
2: DC OUTPUT
3: GND
4: VO (sense)
5: ON/OFF CONTROL
5
6: DC OUTPUT
6
13