Circuit Diagram (Power) - Yamaha STAGEPAS 500 Service Manual

A B
STAGEPAS 500 CIRCUIT DIAGRAM 1/9 (POWER)
1
POWER
ON/OFF
AC IN
2
from G-1
from G-2
3
from G-2
to C-2
G-3
from F-2
4
Destination AC Cord JP801, 803 JP802
J WG261700 JUMPER N.M
U, C WG261800 JUMPER N.M
5
B WH221600 N.M JUMPER
H WG262000 N.M JUMPER
O AAX69560 N.M JUMPER
N.M: not installed （未実装） JUMPER: Jumper Wire （ジャンパー線）
WARNING
Components having special characteristics are marked
placed with parts having specification equal to those originally installed.
安全上の注意
6
Z
印の部品は、安全を維持するために重要な部品です。
4 交換する場合は、安全のために必ず指定の部品をご使用ください。
C
POWER
from B-3
Power Transformer
Primary Secondary
SWITCHING
REGULATOR
KIA7815API (AAX63640)
REGULATOR +15V
C806-809
POWER: IC804
560u/200V
560u/200V
390u/200V
390u/200V
390u/200V
1: INPUT
1
2: COMMON
2
3
3: OUTPUT
KTC1027 (WJ612500)
TRANSISTOR
POWER: Q804, 806
Z
and must be re-
2
1
3 1: EMITTER
2
3
2: COLLECTOR
3: BASE
1
D E
PWM
CONTROL
from D-4
REGULATOR +15V
Power Transformer
REGULATOR -15V
Primary Secondary
Power Transformer
Primary
Secondary
to E-2
N.M: not installed （未実装）
KIA7915PI (AAX63660) KIA78M05PI (AAX63670) RBV-604 (WJ594700)
REGULATOR -15V REGULATOR +5V
DIODE STACK 6.0A 400V
POWER: IC805 POWER: IC806
POWER: D802
1: INPUT 1: INPUT
1 1
2 2: COMMON 2 2: COMMON
3 3
3: OUTPUT 3: OUTPUT
2SK2508 (WJ596200) 2SK2842 (WJ596300) IRFIB41N15D (WJ596400)
FET FET FET
POWER: Q808, 809 POWER: Q817 POWER: Q810-813
2 1 2 1 1
2 2 2
3 3 3
2
1 1: GATE 1 1: GATE 1: GATE
1
2: DRAIN 2: DRAIN 2: DRAIN
3: SOURCE 3: SOURCE 3: SOURCE
3
3 3
F G
to B-2
Power
Transformer
Primary
to B-3
Secondary
to B-3
to B-3
REGULATOR +5V
from B-3
ZA1G3A00105
5
10GL2CZ47A (WJ594900)
2SC2412K(AAX45980) 2SA1037AK (AAX63710)
DIODE STACK 10A 400V
TRANSISTOR TRANSISTOR
POWER: D805
POWER: Q816, 818 POWER: Q815
3 3
1
2
1 2
3
3
1: ANODE 1 1
3 1: BASE 1: BASE
1
2: ANODE
3 2: EMITTER
2: EMITTER
1 2 2
3: CATHODE 3: COLLECTOR
2 2
3: COLLECTOR
STAGEPAS 500 CIRCUIT DIAGRAM 1/9 (POWER)
H
STAGEPAS 500
to CONTROL2 (2/3)-CN1
(PAGE 8: G-3)
FAN
to CONTROL3 (3/3)-CN541
(PAGE 5: A-2)
KTA1023 (WJ612000) KTC3198 (WJ612400)
TRANSISTOR TRANSISTOR
POWER: Q805, 807 POWER: Q801
2 2
3 1 1: EMITTER 3
2 1: EMITTER
3
2: COLLECTOR 1
2 2: COLLECTOR
3: BASE 3: BASE
1 1