DOWNLOAD LG 47LM860V / 47LM860W (CHASSIS:LD23E) Service Manual ↓ Size: 11.7 MB | Pages: 117 in PDF or view online for FREE

Model
47LM860V 47LM860W (CHASSIS:LD23E)
Pages
117
Size
11.7 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lm860v-47lm860w-chassis-ld23e.pdf
Date
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LG 47LM860V / 47LM860W (CHASSIS:LD23E) Service Manual ▷ View online

Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
Content
Page
Remarks
16
B. Power error_ No power
Check front display LED
A17
17
Check power input Voltage & ST-BY 3.5V
A18
18
Checking method when power is ON
A19
19
B. Power error_Off
 
when on, off 
while viewing
POWER OFF MODE checking method
A22
20
C. Audio error_ No audio/Normal 
video  
Checking method in menu when there is 
no audio
A24
22
Voltage and speaker checking method 
when there is no audio
A25
22
D. Function error
Remote controller operation checking 
method
A27
23
Motion Remote operation checking 
method
A28
24
Wifi
 
operation checking method
A29
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 2 locations.
<XXLM9600>
LCD  TV
A1
2011. 12 .14
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
Check the DC 24V and Inverter on
ALEF LED 
2011. 12 .14
14 Pin 
(Power Board ↔ Driver)  
PSU
1 ~ 5
24V
6 ~ 10
GND
11
Detect
12
Inverter On/Off
13
Int. PWM
14
Ext. PWM (PDIM)
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.
Standard Repair Process Detail Technical Manual
Check White Balance value
A. Video error_No video/Normal audio 
<ALL MODELS>
A3
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A3
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 10. 
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.
2011. 12 .14
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