DOWNLOAD LG 32LV5500-SD (CHASSIS:LJ12E) Service Manual ↓ Size: 15.56 MB | Pages: 108 in PDF or view online for FREE

Model
32LV5500-SD (CHASSIS:LJ12E)
Pages
108
Size
15.56 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lv5500-sd-chassis-lj12e.pdf
Date
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LG 32LV5500-SD (CHASSIS:LJ12E) Service Manual ▷ View online

ⓒ LG Electronics. Inc.2009
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
Front LED control :
Menu 
Æ Option Æ Power Indicator
Æ Standby light ON
2010. 12 .14
ⓒ LG Electronics. Inc.2009
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
A18
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.
SMAW200-H24S (YEONHO)
Error-out
24
N.C 
• Lamp SCANNING Model
: PWM Dim #2
23
PWM Dim #1
22
12V
21
Lamp : A-Dim
LED : N.C
20
12V
19
Inverter On/off
18
12V
17
GND
16
GND
15
GND
14
GND
13
3.5V
12
3.5V
11
3.5V
10
3.5V
9
GND
8
GND
7
GND
6
GND
5
20V (24V)
4
20V (24V)
3
20V (24V)
2
Power on
1
24 Pin
(Power Board ↔ Main Board) -
공통
ALEF LED 
Edge LED
2010. 12 .14
ⓒ LG Electronics. Inc.2009
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
A19
Check “power on” pin is high
SMAW200-H24S (YEONHO)
Error-out
24
N.C 
• Lamp SCANNING Model
: PWM Dim #2
23
PWM Dim #1
22
12V
21
Lamp : A-Dim
LED : N.C
20
12V
19
Inverter On/off
18
12V
17
GND
16
GND
15
GND
14
GND
13
3.5V
12
3.5V
11
3.5V
10
3.5V
9
GND
8
GND
7
GND
6
GND
5
20V (24V)
4
20V (24V)
3
20V (24V)
2
Power on
1
24 Pin
(Power Board ↔ Main Board) -
공통
ALEF LED 
Edge LED
2010. 12 .14
ⓒ LG Electronics. Inc.2009
Entry method
1. Press the IN-START button of the remote 
controller for adjustment
2. Check the entry into adjustment item 3
Standard Repair Process Detail Technical Manual
POWER OFF MODE checking method
B. Power error 
_Off when on, off whiling viewing
<ALL MODELS>
A22
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A22
2010. 12 .14
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