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Emerson LC320EM8 Service Manual

Emerson LC320EM8
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7-6
Inverter Block Diagram
A71F3BLINV
BACK
LIGHT
1
2
1
2
1
2
1
2
1
2
1
2
INVERTER CBA
LCD MODULE
ASSEMBLY
CN1050
CN1100
CN1150
CN1200
CN1250
CN1300
IS
VS
OVP
CL552A
P-ON-H5
BACKLIGHT-PWM
7
BACKLIGHT-ON
6
PROTECT14
IC1500
(COMPARATOR)
IC1550
(COMPARATOR)
V-REF
Q1020
DRIVE
2
1
3
13
12
6
5
14
7
IC1001
(INVERTER CONTROL)
IC501
(POWER
CONTROL)
2
1
3
13
12
9
10
6
5
14
8
7
9
10
8
V-REF
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
VCC
VCC
4
4
Q1002
Q1003
Q1001
T1050
Q1100,
Q1101
Q1102,
Q1103
Q1250,
Q1251
Q1252,
Q1253
3
1
4
7
8
6
5
2
T1100
3
1
4
7
8
6
5
2
T1150
3
1
4
7
8
6
5
2
T1200
T501
TO
POWER
PUPPLY
BLOCK
DIAGRAM
ACL
HOT-GND
3
1
4
7
8
6
5
2
T1250
3
1
4
7
8
6
5
2
T1300
3
1
4
7
8
6
5
2
DRIVE
DRIVE
DRIVE
DRIVE
INVERTER
CONTROL
10
11
14
15
2
3
4
5
7
8
4
5
23
2
14
3 2
D557
Q551
Q552
IC509
14
3 2
IC510
Q501
Q502
SHUNT
REG
SW
25
3
7
1
POWER
CONTROL
13
11
19
DRIVE
LOGICLOGIC
DRIVE
DRIVE
BACK
LIGHT
BACK
LIGHT
BACK
LIGHT
BACK
LIGHT
BACK
LIGHT
Q1701
HOT
HOT CIRCUIT. BE CAREFUL.
12
16
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.

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Emerson LC320EM8 Specifications

General IconGeneral
BrandEmerson
ModelLC320EM8
CategoryLCD TV
LanguageEnglish

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