
9-5
Power Supply Block Diagram
L2650BLP
4A/125V
F601
4A/125V
LINE
FIL
TER
L601
A
C
601
A
C
CORD
BRIDGE
RECTIFIER
D605 - D608
HO
T
COLD
T601
12
15
13
16
14
11
4
4
3
1
2
IC601
ERR
O
R
V
O
LT
A
GE DET
Q601
Q603
SWITCHING
CONTR
O
L
SWITCHING
MAIN CB
A
2
6
7
P
ANEL+25V
26
P
ANEL-6V
21
P
ANEL+3.3V
1
P
ANEL+3.3V
23
AL+13V
P-ON-H
P-25V
-ON
BA
CKLIGHT
-ADJ
Q632
Q504
Q501
SW+25V
Q503
+10.8V REG.
Q506
SW-6V
HOT CIRCUIT. BE CAREFUL.
CN1207
P
ANEL+3.3V
24
P
ANEL+10.8V
4
P
ANEL+10.8V
5
Q505
Q502
+1.5V
D+3.3V
P-ON-5V
AL+3.3V
10
9
INV+22V
+40V
TP401
INV+22V
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
T
O
LCD BA
CKLIGHT
BLOCK DIA
GRAM
D647
SHUNT
REG.
IC605
+5V REG.
IC606
+5V REG.
Q402
Q401
Q403
IC603
+1.5V REG.
IC602
+3.3V REG.
VT+33V
D505
SHUNT
REG.
TO
LCD MODULE
EV+3.3V
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
D
VD MAIN CB
A UNIT
EV+1.2V
44
EV+1.2V
55
EV+3.3V
66
EV+3.3V
77
CN1651
CN401
EV+1.2V
EV+3.3V
D
VD-ON+3.3V
D
V
D-ON+5V
EV+9V
EV+3.3V
EV+3.3V
88
D
V
D-ON+3.3V
99
D
VD-ON+5V
10
10
EV+9V
11
11
EV+9V
12
12
EV+3.3V
11
D
V
D-MAIN-PO
WER
IC1652
+1.2V REG.
Q1656
Q1657
Q1655
Q1654
Q1653
Q1651
Q1652
PWRCON
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) 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.
For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
CAUTION ! :
ATTENTION :
Utiliser un fusible de rechange de m
ê
me type de 4A, 125V.
4A/125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Содержание 6620LDG
Страница 17: ...5 3 L2650DC 1 Rear Cabinet S 2 S 1 S 1 S 3 S 1 S 1 Fig D1 2 Tilt Stand Assembly ...
Страница 19: ...5 5 L2650DC 7 Main CBA 8 Inverter CBA S 8 S 8 S 8 S 8 S 9 S 9 Fig D3 ...
Страница 21: ...5 7 L2650DC Fig D5 S 15 S 15 S 16 15 Stand Cover 16 Arm Holder 17 Sheet L 18 Arm Assembly 17 Sheet R ...
Страница 40: ...10 3 Main 1 6 Schematic Diagram LCD TV Section L2650SCM1 ...
Страница 41: ...10 4 L2650SCM2 Main 2 6 Schematic Diagram LCD TV Section ...
Страница 42: ...10 5 Main 3 6 Schematic Diagram LCD TV Section L2650SCM3 ...
Страница 43: ...10 6 L2650SCM4 Main 4 6 Schematic Diagram LCD TV Section ...
Страница 45: ...10 8 L2650SCM5 Main 6 6 Schematic Diagram LCD TV Section ...
Страница 46: ...10 9 L2650SCF Function Schematic Diagram LCD TV Section ...
Страница 47: ...10 10 L2650SCIR IR Sensor Schematic Diagram LCD TV Section ...
Страница 48: ...10 11 L2650SCI Inverter Schematic Diagram LCD TV Section ...
Страница 50: ...10 13 L2650SCD2 DVD Main 2 3 Schematic Diagram DVD Section ...
Страница 51: ...10 14 L2650SCD3 DVD Main 3 3 Schematic Diagram DVD Section ...
Страница 55: ...10 18 Inverter CBA Top View Inverter CBA Bottom View BL2500F01021 ...
Страница 74: ...6620LDT 6620LDG L2650UA L2653UD 2006 07 05 ...