DOWNLOAD LG 47LM6690 (CHASSIS:LT22E) Service Manual ↓ Size: 9.84 MB | Pages: 127 in PDF or view online for FREE

Model
47LM6690 (CHASSIS:LT22E)
Pages
127
Size
9.84 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lm6690-chassis-lt22e.pdf
Date
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60 / 79
Standard Repair Process Detail Technical Manual
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.
Check White Balance value
A. Video error_No video/Normal audio 
<ALL MODELS>
A4
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
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
61 / 79
24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
Power on
2
24V
3
24V
4
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
LED : N.C
21
12V
22
PWM Dim #1
23
GND/P_DIM2
• Lamp SCANNING Model
: PWM Dim #2
24
Error-out
Power Board voltage measuring method
A. Video error_No video/ Audio
A5
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
Check the DC 24V, 12V, 3.5V.
Edge LED
2010. 12 .14
Standard Repair Process Detail Technical Manual
62 / 79
MENU -
Æ Set up 
Æ
support -
Æ signal test
-
Æ select channel 
When the signal is strong, use the 
attenuator (-10dB, -15dB, -20dB etc.)
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
2010. 12 .14
Standard Repair Process Detail Technical Manual
63 / 79
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 
Content
LCD  TV
2010. 12 .14
Error 
symptom
Standard Repair Process Detail Technical Manual
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