LG 32LV5500-SD (CHASSIS:LJ12E) Service Manual ▷ View online
ⓒ LG Electronics. Inc.2009
Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A5
Established
date
Revised
date
Error
symptom
Content
LCD TV
A4
Check the DC 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
MENU -
Æ Set up
Æ
support -
Æ signal test
-
Æ select channel
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
attenuator (-10dB, -15dB, -20dB etc.)
Standard Repair Process Detail Technical Manual
TUNER input signal strength checking method
A. Video error_Video error, video lag/stop
<ALL MODELS>
A6
Established
date
Revised
date
Error
symptom
Content
LCD TV
A6
2010. 12 .14
ⓒ LG Electronics. Inc.2009
Standard Repair Process Detail Technical Manual
LCD-TV Version checking method
A. Video error_Video error, video lag/stop
1. Checking method for remote controller for adjustment
Press the IN-START with the
remote controller for adjustment
remote controller for adjustment
Version
<ALL MODELS>
A7
Established
date
Revised
date
Error
symptom
Content
LCD TV
A7
2010. 12 .14
ⓒ LG Electronics. Inc.2009
Standard Repair Process Detail Technical Manual
LCD TV connection diagram (1)
A. Video error _Vertical/Horizontal bar,
residual image, light spot
As the part connecting to the external input, check
the screen condition by signal
the screen condition by signal
A8
Established
date
Revised
date
Error
symptom
Content
LCD TV
A8
<ALL MODELS>
2010. 12 .14
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