Pioneer SC-LX85 - Block Diagram for Power Block(2)

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SC-57
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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 Transformer Part)
MAIN Transformer
RECTIFIER D7621-7623,C7621 RECTIFIER D7611-7613,C7611
IC7611 NJM78M12FA
5
CN7601
5
+
-
AC1,AC2
-VF
V+12TRG
2
for FL
FFC
A
CN7602
CN7721
CN7683
CN7681
CN7002
CN7724
CN7684
CN7722
CN7682
CN7007
CN7005 CN7008 CN7662 CN7661
CN7664
CN7663
FFC
CN3472
V-7_A
V+7_A
V+12TRG
AC1,AC2
-VF V+5_V
RECTIFIER D7241-7244
Q7241
RECTIFIER D7271-7274
IC7271 NJM78M05FA IC7272 NJM79M05FA
RECTIFIER D7251-7254
IC7251 NJM78M12FA IC7252 NJM79M12FA
Q7211 Q7212
CN7201
8
RECTIFIER D7201-7204
+
+
+ +
-
-
-
CN7241CN7271CN7291
FAN
-B+15V
V+5_MD
V-5_MD
V+FAN
V-FAN
V+12DF
V-12DF
RECTIFIER D7400,7401
3
CN7400
+
-
+B
-B
CN4001CN4002CN4003
V+64V
V-64V
VSS+12V
V+5V
V-5V
V+12V
V-12V
CN7251
CN4004
V+12RY
V-12RY
V+12**
V-12**
CN3801,3802
CN6802,6803
CN6801
CN3810-3890
CN4*00
CN6951
B
B
V+7_A
V-7_A
CN7401
IC4*03 NJM2830U1-12
Driver IC VCC
CN5932
CN5931
J
K
O
Q
R
W
MIC HP ASSY
DISPLAY ASSY
IR BUFFER ASSY
IR INTERFACE ASSY
IR POWER AMP ASSY
B DIODE ASSY
G
INTERFACE ASSY
F-IN BRIDGE ASSY
AF
Y
FB-CONNECT ASSY
FRONT BRIDGE ASSY
AD
U
REG ASSY
FAN CONNECT ASSY
AJ
V
IR REG ASSY
A REG
AH