LG 32LV3000 (CHASSIS:LB01V) Service Manual ▷ View online
Appendix : Exchange the Module (1)
Panel Mura, Light leakage
Press damage
Crosstalk
Crosstalk
Press damage
Panel Mura, Light leakage
Press damage
A - 4/5
Un-repairable Cases
In this case please exchange the module.
Vertical Block
Source TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Gate TAB IC Defect
Gate TAB IC Defect
Vertical Line
Source TAB IC Defect
Vertical Block
Source TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Horizontal line
Gate TAB IC Defect
Gate TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Appendix : Exchange the Module (2)
A - 5/5
Un-repairable Cases
In this case please exchange the module.
Standard Repair Process Detail Technical Manual
Check front display LED
B. Power error _No power
A17
Established
date
Revised
date
Error
symptom
Content
LCD TV
A17
ST-BY condition: Red
Power ON condition: white
Power ON condition: white
Front LED control :
Menu
Menu
Æ Option Æ Power Indicator
Æ Standby light ON
2011.01.20
Standard Repair Process Detail Technical Manual
Check power input voltage and ST-BY 3.5V
B. Power error _No power
A18
Established
date
Revised
date
Error
symptom
Content
LCD TV
A18
Check the 3.5V signal of 24pin power out when
TV is st-by status
For ’11 models, there is no voltage out for st-by purpose.
When TV is st-by status(DC OFF), only 3.5V output is normally on.
When TV is st-by status(DC OFF), only 3.5V output is normally on.
2011. 1. 20
Pin layout (24P)
1
Power on
2
24V
20V (Edge 32/37 Only)
3
20/24V
4
20/24V
5
GND
6
GND
7
GND
8
GND
9
3.5V
10
3.5V
11
3.5V
12
3.5V
13
GND
14
GND
15
GND
16
PSU : GND, LPB : NC
17
12V
18
Inverter ON
19
12V
20
LED : NC
21
12V
22
PWM Dim #1
23
NC
(Lamp Scanning Model
: PWM Dim #2)
24
Error-out
A19
Edge LED : LPB (PSU+LED Driver)
LAMP
Edge LED : PSU
Edge LED
32/37 PSU
32/37 PSU
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