Smps Unit - Marantz AV7701 Service Manual

1 2
SMPS B'D
BK901 CMD1A188
F9001 J9002
INLET 2
R9033
AC IN
2.2M
1
BK902
OPEN
J9003
CN901
OPEN
2 1
3 4
RY901
HL31-1A
KTC3198Y
CN902
YW396-03B
C9027
OPEN(1608)
FUSE OPTION
F9001 F9002
AREA
AV7701 AV7701
T2A L 250V T1.6A L 250V
AC100V
T2A L 250V T1.6A L 250V
AC120V
T1.6A L 250V T1A L 250V
AC220 ~ 240V
GND POWER + POWER -
3 4
C9002
0.01uF 250V
JUMPER D9001 1N4007
D9002 1N4007
LF901
1N4007
D9003
OPEN
LF902
D9004 1N4007
LF-4ZB-E273H
JUMPER
D9005 1N4007
AV7701
D9006 1N4007
U/F N/K
LF901 JUMPER JUMPER
R9002 R9003
LF902 273 503
1M(0.2W) 1M(0.2W)
C9003
0.01uF 250V
ZD901
39V
ZD902
39V
ZD903
22V
ZD904
JUMPER
ZD905
R9007
JUMPER
270K(1608)
ZD906
JUMPER
ZD907
5
JUMPER
D
R9005
47(1608) Q9002
KTC3198Y
S
Q9001
6
KTC3198Y
Q9003
R9027
4.7K(1608)
OPTION
ZD901
ZJ39B
AC120V
1M(0.2W)
AC220 ~ 240V
ZJ39B
AC100V
STBY POWER
5
T9001
ST-4430A
1 11
10
2
8
3 7
D9008 ZD918
4
1N4007 22V
5
6
IC902
PC123Y22
3 2 1
C X
V
C9028
IC901 TOP258MG
2200P 250V
BK903
7 8 9 10
CMD1A629
ZD902 ZD903 ZD904 ZD905 ZD906 ZD907
ZJ39B ZJ22B JUMPER JUMPER JUMPER JUMPER
1M(0.2W) ZJ39B ZJ39B ZJ39B ZJ39B ZJ39B
ZJ39B JUMPER JUMPER JUMPER JUMPER JUMPER
163
6 7
3
2
1
SRL3060P
D9012
R9020
5.6K(0.2W)
C9024
0.1uF(1608)
D9011 (OPEN)
KIA2431AP
IC903
3 1
ANODE
2
C9029 0.1uF(1608)
R9030 OPEN(1608)
C9030 OPEN(1608)
ZD908 ZD909 ZD910 R9008 R9009 R9010
ZJ39B ZJ39B ZJ39B 2M2(0.2W) 2M2(0.2W) 1M(0.2W)
OPEN OPEN OPEN OPEN OPEN OPEN
ZJ39B ZJ39B ZJ39B 2M2(0.2W) 2M2(0.2W) 1M(0.2W)
SCHEMATIC DIAGRAMS (26/31)

SMPS UNIT

8
A
B
D5.2V
D5.2V
DGND
DGND
MAINPOWER C
BN903 BN903
WIRE/5P/2.5mm
R9014
270K
D
56K
270K
E
F