Yamaha STAGEPAS 500, Service Manual

Page: 62 / 71

A B C D E F G H
1
2
3
4
5
6
STAGEPAS 500
4
■
STAGEPAS 500 CIRCUIT DIAGRAM 1/9 (POWER)
■
STAGEPAS 500 CIRCUIT DIAGRAM 1/9 (POWER)
POWER
+
FAN
to CONTROL3 (3/3)-CN541
(PAGE 5: A-2)
to CONTROL2 (2/3)-CN1
(PAGE 8: G-3)
POWER
ON/OFF
AC IN
Power Transformer
Primary Secondary
Power Transformer
Primary
Secondary
Power Transformer
Primary
Secondary
Power
Transformer
Primary
Secondary
PWM
CONTROL
REG15V
REGULATOR -15V
REG5V
SWITCHING
REGULATOR
from G-1
from B-3
from G-2
from G-2
to C-2
G-3
from F-2
to E-2
from D-4
to B-3
to B-2
to B-3
to B-3
from B-3
ZA1G3A00105
5
Destination AC Cord JP801, 803 JP802 C806-809
J WG261700 JUMPER N.M 560u/200V
U, C WG261800 JUMPER N.M 560u/200V
B WH221600 N.M JUMPER 390u/200V
H WG262000 N.M JUMPER 390u/200V
O AAX69560 N.M JUMPER 390u/200V
N.M: not installed
（未実装） JUMPER: Jumper Wire （ジャンパー線）
N.M: not installed （未実装）
REG15V
POWER: IC804
KIA7815API (AAX63640)
1
2
3
3: OUTPUT
2: COMMON
1: INPUT
REGULATOR -15V
POWER: IC805
KIA7915PI (AAX63660)
1
2
3
3: OUTPUT
2: COMMON
1: INPUT
REG5V
POWER: IC806
KIA78M05PI (AAX63670)
1
2
3
3: OUTPUT
2: COMMON
1: INPUT
RBV-604 (WJ594700)
DIODE STACK 6.0A 400V
POWER: D802
DIODE STACK 10A 400V
POWER: D805
10GL2CZ47A (WJ594900)
1
3
2
1: ANODE
2: ANODE
3: CATHODE
1
2
3
2SC2412K(AAX45980)
TRANSISTOR
POWER: Q816, 818
2
2
1
1
3
3
1: BASE
2: EMITTER
3: COLLECTOR
2SA1037AK (AAX63710)
TRANSISTOR
POWER: Q815
1
3
2
1: BASE
2: EMITTER
3: COLLECTOR
1
2
3
KTA1023 (WJ612000)
TRANSISTOR
POWER: Q805, 807
1: EMITTER
2: COLLECTOR
3: BASE
3
2
1
1
2
3
TRANSISTOR
POWER: Q801
KTC3198 (WJ612400)
3: BASE
2: COLLECTOR
1: EMITTER
2
1
3
1
2
3
KTC1027 (WJ612500)
TRANSISTOR
POWER: Q804, 806
1: EMITTER
2: COLLECTOR
3: BASE
3
2
1
1
2
3
2SK2508 (WJ596200)
FET
POWER: Q808, 809
1: GATE
2: DRAIN
3: SOURCE
3
2
1
1
2
3
2SK2842 (WJ596300)
FET
POWER: Q817
1: GATE
2: DRAIN
3: SOURCE
3
2
1
1
2
3
IRFIB41N15D (WJ596400)
FET
POWER: Q810-813
1: GATE
2: DRAIN
3: SOURCE
3
2
1
1
2
3
■
WARNING
Components having special characteristics are marked
Z
and must be re-
placed with parts having specification equal to those originally installed.
■ 安全上の注意
Z
印の部品は、安全を維持するために重要な部品です。
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。