DOWNLOAD LG 42LV3710-TB / 42LV371Y-TB / 42LV3730-TD (CHASSIS:LB12B) Service Manual ↓ Size: 9.22 MB | Pages: 87 in PDF or view online for FREE

Model
42LV3710-TB 42LV371Y-TB 42LV3730-TD (CHASSIS:LB12B)
Pages
87
Size
9.22 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lv3710-tb-42lv371y-tb-42lv3730-td-chassis-lb12b.pdf
Date
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LG 42LV3710-TB / 42LV371Y-TB / 42LV3730-TD (CHASSIS:LB12B) Service Manual ▷ View online

Established 
date 
Standard Repair Process Detail Technical Manual
Revised 
date 
LCD TV
Error 
symptom
POWER BOARD voltage measuring method
Content
B. Power error _
No power 
B-1-4
24V is provided from the Power Board and supplied to LED 
Driver PCB. Check the PIN contact condition and connection.
Check each voltage output (5V,12V,24V) in the Power Board.
Entry method
1. Press the IN-START button of the remote 
controller for adjustment
2. Check the entry into adjustment item 3
Established 
date 
Standard Repair Process Detail Technical Manual
Revised 
date 
B-2-1
LCD TV
Error 
symptom
POWER OFF MODE checking method
Content
B. Power error _
Off when on, off whiling viewing
Check the voltage when the 
Power OFF mode is not 
shown
Established
date 
Standard Repair Process Detail Technical Manual
Revised 
date 
LCD TV
Error 
symptom
POWER BOARD PIN voltage checking method
Content
B. Power error _
Off when on, off whiling viewing
B-2-2
Checking method
1. Press the MENU button on the remote controller
2. Select the AUDIO function of the Menu
3. Select TV Speaker from Off to On
Established 
date 
Standard Repair Process Detail Technical Manual
Revised 
date 
LCD TV
Error 
symptom
Checking method in menu when there is no audio
Content
C. Audio error_
No audio/Normal video  
C-1-1
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