1-9-5
Power Supply Block Diagram
HO
T
COLD
AC1001 AC CORD
F1001 1A 250V
LINE
FILTER
L1001
D1001-D1004
Q1003
Q1002
8
6
3
IC1001
ERROR
VOLTAGE DET
T1001
20
19
18
17
15
16
14
13
12
11
SW
4
BRIDGE
RECTIFIER
A
V
CB
A
A V
F
HOT CIRCUIT. BE CAREFUL.
D1063
RECTIFIER
D1058
RECTIFIER
D1056
RECTIFIER
D1068
RECTIFIER
D1055
RECTIFIER
D1051
Q1053
P-ON+10.5V
EV+5V
PWSW
POW-SW
Q1001
SW
CTL
3
4
1
2
SW
CTL
RECTIFIER
SW+5V
D1054
RECTIFIER
VIDEO+5V
-FL
F1
F2
+2.5V
REG.
IC1504
1
2
4
+3.3V
REG.
IC1503
1
2
4
CN1051
T
O
D
VD MAIN
CBA CN101
TO
SYSTEM CONTR
OL
BLOCK DIA
GRAM
Q1054
SW+10.5V
EV+3.3V
Q1063
SW+3.3V
9-11
P-ON+5V
14-16
P-ON+3.3V
19-21
VI+1.2V
24,25
P-ON+2.5V(1)
4-6
EV+10.5V
Q1065
SW+5V
Q1057
SW+5V
TUNER+5V
Q1055
EV+32V
Q1505
Q1056
J1215
REG-CONT
FAN+10.5V
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1001) 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.
"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
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
E7A01BLP
