Symphonic CSHP80G, Service Manual

Page: 29 / 65

1-10-7
Power Supply Block Diagram
CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F2001) is blown , check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail.
NOTE: The voltage for parts in hot circuit is measured using hot GND as a common terminal.
"Ce symbole reprèsente un fusible à fusion rapide."
CAUTION ! For continued protection against fire hazard, replace only with the same type fuse. ATTENTION : Pour une protection continue les risqes d'Incele n'utiliser que des fusible de m
ê
me type.
Risk of fire
-replace fuse as marked.
"This symbol means fast operating fuse."
A V
F
E41A1BLP
A V
AC2001
F2001 1.6A 250V
LINE FILTER
L2001
D2101 - D2104
BRIDGE RECTIFIER
3 5
Q2101
Q2102
8 7
3 4
IC2101
IC2201
IC2204
ERROR VOLTAGE DET
ERROR VOLTAGE DET
SHUNT REGULATOR
HOT
COLD
T2001
F
HOT CIRCUIT. BE CAREFUL.
16 15 14 13 12 11 10
9
1 2
1
HDD+12V
4
HDD+5V
11
LO
W
-PO
W
77
REG-VCC
15
15
PWR-SW2
17
17
P-ON+12V
16
16
P-ON+12V
4 5 6 1 7 3 2
10
9 8 5 6 7
55
EV+5V
18
18
F
AN+12V
33
F1
44
-FL
22
F2
19
19
EV+2.4V
66
EV+5V
20
20
EV+38V
CN2001
CN1003 CN1004
4 5 6 1 7 3 2
10
9 8 5 6 7 CN1001 CN1002
CN1005
CN1071
-FL
Q2221
REG
REG
SHUNT REGULATOR
TO SYSTEM CONTROL BLOCK DIAGRAM
IC1037
Q2203
Q2209
SW+12V
Q1037
SW+3.3V
F1 F2 EV+32V P-ON+10V
REG
REG-CONT
Q1041
+10V REG
+3.3V REG
IC1011
+2.5V REG
IC1012
+1.2V REG
IC1601
Q1011
LO
W
-PO
W
PWR-SW
CN1051 CN1401
P-ON+5V TUNER+5V VIDEO+5V EV+3.3V EV+5V F
AN+12V
TO HDD MAIN CBA UNIT CN501
()
TO DVD MAIN CBA UNIT CN401
(
)
Q1042
SW+5V
3~6
P-ON+3.3V
1,2
EV+1.2V
2~4
EV+2.4V
7~8
P-ON+2.5V
12~14
P-ON+3.3V
8,9
EV+10.5V
7
P-ON+5V
Q1032
Q1034
Q1031,Q1036
+5V REG
Q1072
Q1071
SW+5V
PO
WER SUPPL
Y CB
A
A
V
CB
A
JUNCTION CB
A
HARD DISK DRIVE