DOWNLOAD LG 47LW9800-SA (CHASSIS:LJ12D) Service Manual ↓ Size: 21.05 MB | Pages: 109 in PDF or view online for FREE

Model
47LW9800-SA (CHASSIS:LJ12D)
Pages
109
Size
21.05 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lw9800-sa-chassis-lj12d.pdf
Date
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LG 47LW9800-SA (CHASSIS:LJ12D) Service Manual ▷ View online

ⓒ LG Electronics. Inc.2009
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>
A4
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.
2010. 12 .14
ⓒ LG Electronics. Inc.2009
Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A5
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A4
Check the DC 24V, 12V, 3.5V.
SMAW200-H24S (YEONHO)
Error-out
24
N.C 
• Lamp SCANNING Model
: PWM Dim #2
23
PWM Dim #1
22
12V
21
Lamp : A-Dim
LED : N.C
20
12V
19
Inverter On/off
18
12V
17
GND
16
GND
15
GND
14
GND
13
3.5V
12
3.5V
11
3.5V
10
3.5V
9
GND
8
GND
7
GND
6
GND
5
20V (24V)
4
20V (24V)
3
20V (24V)
2
Power on
1
24 Pin
(Power Board ↔ Main Board) -
공통
ALEF LED 
Edge LED
2010. 12 .14
ⓒ LG Electronics. Inc.2009
MENU -
Æ Set up 
Æ
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
2010. 12 .14
ⓒ LG Electronics. Inc.2009
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
2010. 12 .14
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