30
SC-57
1
2
3
4
A
B
C
D
E
F
1
2
3
4
4.9 BLOCK DIAGRAM FOR POWER BLOCK(2)
Power Supply Block Diagram (MAIN Tran
s
former Part)
MAIN
Tr
a
nsformer
RECTIFIER
D7621-762
3
,C7621
RECTIFIER
D7611-761
3
,C7611
IC7611
NJM7
8
M12FA
5
CN7601
5
+
-
AC1,AC2
-VF
V+12TRG
2
for FL
FFC
A
CN7602
CN7721
CN7683
CN768
1
CN7002
CN7724
CN768
4
CN7722
CN768
2
CN7007
CN7005
CN700
8
CN7662
CN7661
CN7664
CN766
3
FFC
CN
3
472
V-7_A
V+7_A
V+12TRG
AC1,AC2
-VF
V+5_V
RECTIFIER
D7241-7244
Q7241
RECTIFIER
D7271-7274
IC7271
NJM7
8
M05FA
IC7272
NJM79M05FA
RECTIFIER
D7251-7254
IC7251
NJM7
8
M12FA
IC7252
NJM79M12FA
Q7211
Q7212
CN7201
8
RECTIFIER
D7201-7204
+
+
+
+
-
-
-
CN7241
CN7271
CN7291
FAN
-B+15V
V+5_MD
V-5_MD
V+FAN
V-FAN
V+12DF
V-12DF
RECTIFIER
D7400,7401
3
CN7400
+
-
+B
-B
CN4001
CN4002
CN4003
V+64V
V-64V
V
SS
+12V
V+5V
V-5V
V+12V
V-12V
CN7251
CN4004
V+12RY
V-12RY
V+12**
V-12**
CN38
01,38
02
CN68
02,68
03
CN68
01
CN38
10-38
90
CN4*00
CN6951
B
B
V+7_A
V-7_A
CN7401
IC4*0
3
NJM2
83
0U1-12
Driver IC VCC
CN593
2
CN593
1
J
K
O
Q
R
W
MIC HP ASSY
D
ISPLAY ASSY
IR
BU
F
F
ER
ASSY
IR
IN
T
E
R
F
AC
E
ASSY
IR
POW
E
R
AM
P ASSY
B D
IOD
E
ASSY
G
INTERFACE
ASSY
F-IN BRIDGE
ASSY
AF
Y
FB
-CO
NNE
CT
ASSY
FRONT
BRIDGE ASSY
AD
U
R
E
G ASSY
FAN
CONNECT ASSY
AJ
V
IR
R
E
G ASSY
A
REG
AH