DOWNLOAD LG 55LM6200 (CHASSIS:LA22E) Service Manual ↓ Size: 12.67 MB | Pages: 127 in PDF or view online for FREE

Model
55LM6200 (CHASSIS:LA22E)
Pages
127
Size
12.67 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lm6200-chassis-la22e.pdf
Date
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75 / 153
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)
Un-repairable Cases
In this case please exchange the module.
76 / 153
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
ST-BY condition: Red
Power ON condition: white
Front LED control :
Menu 
Æ Option Æ Power Indicator
Æ Standby light ON
2010. 12 .14
77 / 153
Standard Repair Process Detail Technical Manual
Check power input voltage and ST-BY 5V
B. Power error _No power
A18
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
For ’10 models, there is no voltage out for st-by purpose. 
When st-by, only 3.5V is normally on.
Check the DC 20V/24V, 12V, 3.5V.
Edge LED
2010. 12 .14
Edge LED
24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
Power on
2
24V
3
24V
4
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
GND
17
12V
18
Inverter On/off
19
12V
20
Lamp : A-Dim
LED : N.C
21
12V
22
PWM Dim #1
23
GND/P_DIM2
• Lamp SCANNING Model
: PWM Dim #2
24
Error-out
78 / 153
Standard Repair Process Detail Technical Manual
Checking method when power is ON
B. Power error _No power
A19
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
Check “power on” pin is high
2010. 12 .14
24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
Power on
2
24V
3
24V
4
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
GND
17
12V
18
Inverter On/off
19
12V
20
Lamp : A-Dim
LED : N.C
21
12V
22
PWM Dim #1
23
GND/P_DIM2
• Lamp SCANNING Model
: PWM Dim #2
24
Error-out
Edge LED
Edge LED
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