DOWNLOAD LG 32LV3000 (CHASSIS:LB01V) Service Manual ↓ Size: 7.57 MB | Pages: 77 in PDF or view online for FREE

Model
32LV3000 (CHASSIS:LB01V)
Pages
77
Size
7.57 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lv3000-chassis-lb01v.pdf
Date
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Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
Content
Page
Remarks
17
B. Power error_No power
Check front display LED
A17
18
Check power input Voltage & ST-BY 5V
A18
19
Checking method when power is ON
A19
20
POWER BOARD voltage measuring method
A4
21
B. Power error_Off when on, off while 
viewing
POWER OFF MODE checking method
A22
22
B. Power error_Off when on, off while 
viewing
POWER BOARD PIN voltage checking method
A19
23
C. Audio error_No audio/Normal video  
Checking method in menu when there is no audio
A24
24
Voltage and speaker checking method when there 
is no audio
A25
25
C. Audio error_Wrecked
audio/discontinuation
Voltage and speaker checking method in case of 
audio error
A25
26
D. Function error_ No response in remote 
controller, key error
Remote controller operation checking method
A27
Continued from previous page
Established 
date 
Standard Repair Process Detail Technical Manual
Revised 
date 
A1
Error 
symptom
Content
Check LCD back light with naked eye
A. Video 
error_No
video/Normal audio 
After turning on the power and disassembling the case, check with the naked eye, 
whether you can see light from 4 locations.
<ALL MODELS>
LCD  TV
A1
2011.01.20
Standard Repair Process Detail Technical Manual
LED driver  B+ 24V measuring method
A. Video error_No video/Normal audio 
A2
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A2-1
P203
1~5
24V
6~10
GND
11
NC
12
Inverter ON
13
PWM Dim#1
14
NC
P202
1~5
24V
6~10
GND
11
NC
12
NC
2011.01.20
Edge LED : PSU + LED Driver  Type
Check the DC 24V and Inverter on
Standard Repair Process Detail Technical Manual
LED driver  B+ 24V measuring method
A. Video error_No video/Normal audio 
A2
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A2-1
Check the DC 24V and Inverter on
2011.01.20
Edge LED / LAMP : PSU Type
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