DOWNLOAD LG 32LV3700-ZC / 32LV370S / 32LV375G-ZC / 32LV375S-ZC / 32LV375W-ZC (CHASSIS:LD12B) Service Manual ↓ Size: 12.16 MB | Pages: 74 in PDF or view online for FREE

Model: 32LV3700-ZC 32LV370S 32LV375G-ZC 32LV375S-ZC 32LV375W-ZC (CHASSIS:LD12B)
Pages: 74
Size: 12.16 MB
Type: PDF
Document: Service Manual
Brand: LG
Device: TV / LCD
File: 32lv3700-zc-32lv370s-32lv375g-zc-32lv375s-zc-32lv3.pdf
Date: 2018-11-20

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LG 32LV3700-ZC / 32LV370S / 32LV375G-ZC / 32LV375S-ZC / 32LV375W-ZC (CHASSIS:LD12B) Service Manual ▷ View online

Check the voltage when the 
Power OFF mode is not shown
Established
date 
Electronics 6-3
Standard Repair Process Detail Technical Manual
Revised 
date 
2008. 2 . 1
LCD TV
Error 
symptom
POWER BOARD PIN voltage checking method
Content
B. Power error _
Off when on, off whiling viewing
20/33 - 7/13

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 
Electronics 6-3
Standard Repair Process Detail Technical Manual
Revised 
date 
2008. 2 . 1
LCD TV
Error 
symptom
Checking method in menu when there is no audio
Content
C. Audio error_
No audio/Normal video  
21/33 - 8/13

Entry method
1. Press the Menu button on the remote controller
2. Enter into Support -> Sound Test
3. The TV Play the Test Music
Established 
date 
Electronics 6-3
Standard Repair Process Detail Technical Manual
Revised 
date 
2008. 2 . 1
LCD TV
Error 
symptom
Use Sound Test Mode
Content
C. Audio error_
No audio/Normal video  
21/33 - 8/13
Menu -> Support -> Sound Test
Sound Test (Play the Music)

Checking order when there is no audio
①
②
③
① Check the contact condition of 24V connector of Main Board
② Measure the 24V input voltage supplied from Power Board (If there is no input voltage, remove and check the 
connector)
③ Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the 
GND and output terminal, the speaker is normal. 
Established 
date 
Electronics 6-3
Standard Repair Process Detail Technical Manual
Revised 
date 
2008. 2 . 1
LCD TV
Error 
symptom
Voltage and speaker checking method 
when there is no audio
Content
C. Audio error_ No audio/Normal video  
22/33 - 8/13

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