DOWNLOAD LG 55EA9800-SA (CHASSIS:EJ34D) Service Manual ↓ Size: 7.81 MB | Pages: 99 in PDF or view online for FREE

Model
55EA9800-SA (CHASSIS:EJ34D)
Pages
99
Size
7.81 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55ea9800-sa-chassis-ej34d.pdf
Date
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Established 
date 
Standard Repair Process Detail Technical Manual
Revised 
A2
Error 
symptom
Content
Check White Balance value
A. Video 
error_No
video/Normal audio 
LCD  TV
2013.01.31
date 
A2
Content
Check White Balance value
Entry method
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 6. 
3 Aft
di
th R G B (GAIN C t)
l
f C l
T
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 9. 
A2
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.
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
TUNER input signal strength checking method
A. Video error_Video error, video lag/stop 
A3
Established 
date 
Revised 
Error 
symptom
Content
LCD  TV
2013.01.31
TUNER input signal strength checking method
A3
date 
Content
Settings Æ Channel 
Æ
Manual Tuning
Æ
select channel 
When the signal is strong, use the 
attenuator (-10dB -15dB -20dB etc )
attenuator ( 10dB,  15dB,  20dB etc.)
A3
Standard Repair Process Detail Technical Manual
LCD TV Version checking method
A. Video error_Video error, video lag/stop 
A4
Established 
date 
Revised 
Error 
symptom
Content
LCD  TV
2013.01.31
LCD-TV Version checking method
1. Checking method for remote controller for adjustment
A4
date 
Content
Version 
Press the IN-START with the remote 
t ll
f
dj t
t
controller for adjustment
A4
Standard Repair Process Detail Technical Manual
TUNER checking part
A. Video error_Video error, video lag/stop
A5
Established 
date 
Revised 
Error 
symptom
Content
LCD  TV
2013.01.31
TUNER checking part
A5
date 
Content
Checking method: 
1. Check the signal strength or check whether the screen is normal when the external device is connected. 
2. After measuring each voltage from power supply, finally replace the MAIN BOARD. 
g
g
p
pp y,
y
p
A5
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