Msp5A Overall Circuit Diagram - Yamaha MSP5A Service Manual

A B C
Q Q
3 7 6 3 1 5 1 5 0

MSP5A OVERALL CIRCUIT DIAGRAM

MAIN 3/5
LINE 1
OP AMP
LINE 2
T E
L 1 3 9 4 2 2 9 6 5 1 3
( マ ) : Mylar Capacitor (マイラーコンデンサー)
( セ ) : Ceramic Capacitor (セラミックコンデンサー)
( 金被 ) : Metal Film Resistor (金属被膜抵抗)
規格認定コン : Capacitor (規格認定コン)
MODEL AC Cord F101
J AAX52380 1.6A250V
U/C AAX52390 1.6A250V
A AAX52400 T630mAL 250V
w w w
B AAX52410 T630mAL 251V
H AAX52400 T630mAL 252V
V AAX52390 1.6A250V
W AAX52400 T630mAL 254V
.
K AAX52420 T630mAL 253V
KEC-92341-2
D E F
MAIN 4/5
VOL.
OP AMP
OP AMP
HIGH LOW
TRIM
MAIN 5/5
POWER TRANSFORMER
TRANS POWER SUPPLY
AAX52600 AC100V 50/60Hz
AAX52610 AC120V 60Hz
AAX52630 AC240V 50Hz
AAX52620 AC230V 50Hz
AAX52620 AC230V 50Hz
x a o
y
AAX52610 AC120V 60Hz
AAX52620 AC230V 50Hz
i
AAX52640 AC220V 60Hz
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G H I J
8
MAIN 1/5
OP AMP
OP AMP
Q Q
3 7 6 3
NJM79M15FA (XG505A00)
REGULATOR -15V
u 1 6 3
.
1: OUTPUT
3
2: INPUT
2 1
3: COMMON
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K L M
2 4
9 9 8
OP AMP
POWER AMP
MAIN 2/5
OP AMP
OP AMP
1 5 1 5 0 8 9 2 4
REGULATOR +15V
REGULATOR -15V
m
NJM78M15FA (XJ603A00) MTZ J 24.0C (VG442600) 1SS133,176,HSS104
ZENER DIODE (VD631600)
REGULATOR +15V
DIODE
c o
Anode Anode
Cathode Cathode
1: OUTPUT
3
2 2: COMMON
1
3: INPUT
N O P
2
9 9
MSP5A
1
2
3
4
SPEAKER
2.5cm 6Ω
SPEAKER
12cm 4Ω 40W
5
6
9 8 2 9 9
7
8
9
10
11
D3SBA60 (V8151400)
DIODE STACK 4.0A
12
13