Pin Layout (24P) Power; 24V; (Iop & Edge 55") 20V; Gnd Gnd Gnd Gnd - LG 55LD650 Service Manual

Standard Repair Process Detail Technical Manual
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Error
A. Video error_No video/ Audio
symptom
Content
Power Board voltage measuring method
IOP 47"/Edge LED 55"
Edge LED 32/42/47"
IOP 55"
Established
date
Revised
date
Check the DC 20V/24V, 12V, 3.5V.
Pin layout (24P)

24V

Power
1 2
on
20V (
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 Inverter ON
LE : NC
19 12V 20

IOP : PWM Dim #1

LE : PWM Dim #1

21 12V 22
IOP : NC
23 NC 24
A4
2010. 2 .19
A5
(IOP & Edge 55")
)
Edge 42/47
24V
GND
GND
3.5V
3.5V
GND
NC
Error-out
LGE Internal Use Only