Read LG 32LD650 (CHASSIS:LT03B) Service Manual online
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 20V/24V, 12V, 3.5V and Inverter on
IOP 42”/47”, Edge LED 55”
Edge LED 32/42/47”
Error
NC
(Edge LED:PWM Dim#1)
Inverter ON
PWM Dim #1
(Edge LED : NC)
GND
24V
P204
14
13
12
11
6~10
1~5
Inverter ON
PWM Dim #1
GND
24V
P205
12
11
6~10
1~5
2010. 2 .19
IOP 55”
* 14
: For LE85 GND
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