DOWNLOAD LG 32LN570B (CHASSIS:LT33B) Service Manual ↓ Size: 8.65 MB | Pages: 97 in PDF or view online for FREE

Model
32LN570B (CHASSIS:LT33B)
Pages
97
Size
8.65 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32ln570b-chassis-lt33b.pdf
Date
PREV: LG 32LN570B (CHASSIS:LJ33B) Service Manual

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17 / 97
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>
A3
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.
2012. 12 .21
18 / 97
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.
2012. 12 .21
Standard Repair Process Detail Technical Manual
18 or 24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
PWR ON/OFF  
2
DVR  ON/OFF 
3
3.5V  
4
PDIM #1 
5
3.5V 
6
PDIM #2 
7
GND 
8
GND 
9
24V  
10
24V  
11
GND 
12
GND  
13
12V 
14
12V 
15
12V 
16
24V or N.C 
17
GND 
18
GND 
19
GND 
20
GND 
21
GND 
22
V-SYNC 
23
SPI-SIN 
24
SPI-SCLK 
The Wafer,18Pin and 24Pin, is used by operating LocalDimming or not LocalDimming
- 24Pin wafer is applied operating L/D at power and main B/D
- 18Pin wafer is applied not operating L/D at power and main B/D
19 / 97
MENU -
Æ Settings 
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
2012. 12 .21
Standard Repair Process Detail Technical Manual
20 / 97
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
2012. 12 .21
Error 
symptom
Standard Repair Process Detail Technical Manual
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