LG 55X6500-TD Service Manual page 103

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
For '10 models, there is no voltage out for st-by purpose.
When st-by, only 3.5V is normally on.
IOP 47"/Edge LED 55"
Edge LED 42/47"
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Only for training and service purposes
Error
B. Power error _No power
Check power input voltage and ST-BY 5V
IOP 55"
Established
date
Revised
date
Check the 3.5V when st-by
Pin layout (24P)
Power
1 2
on
3 24V 4
5 GND 6
7 GND 8
9 3.5V 10
11 3.5V 12
13 GND 14
15 GND 16
17 12V 18
19 12V 20
21 12V 22
23 NC 24
A18
24V
(IOP & Edge 55")
20V ( )
Edge 42/47
24V
GND
GND
3.5V
3.5V
GND
NC
Inverter ON
LE : NC
IOP : PWM Dim #1
LE : PWM Dim #1
IOP : NC
Error-out
A18
LGE Internal Use Only