DOWNLOAD LG 42LV355T-ZC (CHASSIS:LD11U) Service Manual ↓ Size: 8.8 MB | Pages: 89 in PDF or view online for FREE

Model
42LV355T-ZC (CHASSIS:LD11U)
Pages
89
Size
8.8 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lv355t-zc-chassis-ld11u.pdf
Date
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Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 6. 
3. After recording the R, G, B (GAIN, Cut) value of Color Temp 
(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
Standard Repair Process Detail Technical Manual
Check White Balance value
A. Video error_No video/Normal audio 
<ALL MODELS>
A3
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A3
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 7. 
3. After recording the R, G, B (GAIN, Cut) value of Color Temp 
(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
2011. 2 .07
Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A4
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A4
Check the DC 20Vor24V, 12V, 3.5V.
Edge LED PSU without LED Driver
Lamp PSU without inverter
24 Pin
(Power Board ↔ Main Board)
FW20020-24SB (FOOSUNG)
1
Power on
2
20V (24V)
3
20V (24V)
4
20V (24V)
5
GND
6
GND
7
GND
8
GND
9
3.5V
10
3.5V
11
3.5V
12
3.5V
13
GND
14
GND
15
GND
16
GND
17
12V
18
Inverter On/off
19
12V
20
Lamp : A-Dim
21
12V
22
PWM Dim #1
23
N.C 
24
Error-out
2011. 2 .07
MENU -
Æ red key(customer support -Æ signal test
-
Æ select channel 
When the signal is strong, use the 
attenuator (-10dB, -15dB, -20dB etc.)
Standard Repair Process Detail Technical Manual
TUNER input signal strength checking method
A. Video error_Video error, video lag/stop 
<ALL MODELS>
A6
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A6
2011. 2 .07
Standard Repair Process Detail Technical Manual
LCD-TV Version checking method
A. Video error_Video error, video lag/stop 
1. Checking method for remote controller for adjustment
Press the IN-START with the 
remote controller for adjustment
Version 
<ALL MODELS>
A7
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A7
2011. 2 .07
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