Ir Reg Assy - Pioneer SC-68 Service Manual

1

10.40 IR REG ASSY

A
AKR1004-A-T
B
CN7201
C
S3-1
1
S3-C
2
S3-2
3
S2-1
4
S2-2
5
S9-1
6
S9-C
7
S9-2
8
B8B-EH
D
E
F
W
166
1
2
FU15
!
!
H7242
H7241
1 1
1SR154-400
!
1SR154-400
!
1SR154-400
!
1SR154-400
!
FU11
H7202
H7201
1 1
AKR1004-A-T
!
FU12
H7204
H7203
1 1
AKR1004-A-T
JH7251 JH7252 JH7253
AEF7008-A AEF7008-A AEF7008-A
2
3
-45V
D7241
D7242
D7243
D7244
-64V
!
!
GND_MD_2
!
!
FU13
!
H7252
H7251
1 1
AKR1004-A-T
!
FU14
H7254
H7253
1 1
AKR1004-A-T
JH7254
NM
SC-68
3
4
R7241
2125
NM
!
Power Supply for
IC7241
IRPOWER AMP GATE DRIVER
NJM78M15FA
IN
1
OUT
3
COM
2
!
D7271
1SR154-400
!
D7272
1SR154-400
!
D7273
1SR154-400
!
D7274
1SR154-400
+13.5V
D7201
NM
D7202
NM
Q7205
RT1P241M-11
Q7204
RT1N241M
D7203
RT1N241M
NM
D7204
NM
-13.5V
!
D7251
1SR154-400
!
D7252
1SR154-400
!
D7253
1SR154-400
!
D7254
1SR154-400
4
CN72
1
2
KM200
!
P7241
2 1
NM
*R7275
JV7241
33k
!
+12.5V
IC7271
NJM78M08FA
IN
OUT
3
COM
2
3
COM
2
OUT
IN
! IC7272
-12.7V NJM79M08FA
*R7276
33k
D7211
NM
!
Q7211
2SD2400A
1
D7213
RKZ7.5KG(B2)
D7214
RKZ7.5KG(B2)
Q7207
!
Q7212
2SB1569A
D7212
NM
*R7277
22k
!
+20V
IC7251
NJM78M12FA
IN
OUT
3
COM
2
GND_DF
3
COM
2
OUT
IN
!
IC7252
-20V
NJM79M12FA
*R7278
22k