Yamaha pw 5000 Service Manual page 61

H
Q Q
AC 1/3 CIRCUIT DIAGRAM 002 (PW5000) 3 7 6 3 1 5 1 5 0
1
2
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
SI-3122N(X3591A00) S2VB20(IH001120)
REGULATOR +12V DIODE STACK
4
1
2
3
1：GND
2：Vo
3：Vin
FMB-34M(V9261100) S5VB20(VM702000)
DIODE STACK DIODE STACK
1
2
3
5
1: OUTPUT
2: COMMON
3: INPUT
w w w
28CC1-8828397-2
6 1
4
G F
to Power transformer (SUB12V)
T104:
to Power transformer
(SUB12V)
T102:
to Power transformer
(±16V) (1)
T103:
to Power transformer
(±16V) (2)
x a o
. i
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E D
TO SERVICE PERSONNEL
Critical Components Information
to PN 2/2-CN401
Components having special characteristics are marked
specifications equal to those originally installed.
T105: to Power transformer (INDI)
to PN 1/2-CN302
REGULATOR +12V
Q Q
3 7
Power SW +12V
to Power supply unit
Power SW +12VG
to Power switch
Power SW +48V
Power SW +48VG
to PN 1/2-CN304
to Power supply unit (IN)
u 1 6 3
y
( セ ) (セラミックコンデンサー)
: Ceramic Capacitor
( マ ) : Mylar Capacitor (マイラーコンデンサー)
: Capacitor
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C B
2 4
8 9 9
and must be replaced with parts having
6 3 1 5 1 5 0 8 9
to DC OUTPUT
to DC OUTPUT
+48V output
+12V output
m
c o
.
AC 1/3 CIRCUIT DIAGRAM 002 (PW5000)
A
2
8 PW5000 9 9
to PN 1/2-CN303
2 4 9 8 2 9 9
to DC PARALLEL INPUT
to DC PARALLEL INPUT