LG 42LE5500 - Table of Contents

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
Check the 3.5V when st-by
Error-out24NC23
LE : PWM Dim #1
IOP : NC
2212V21
LE : NC
IOP : PWM Dim #1
2012V19
Inverter ON1812V17
NC16GND15
GND14GND13
3.5V123.5V11
3.5V103.5V9
GND8GND7
GND6GND5
24V424V3
24V
(IOP & Edge 55”)
20V (
Edge 42/47
)
2
Power
on
1
Pin layout (24P)
IOP 47”/Edge LED 55”
Edge LED 32/42/47”
For ’10 models, there is no voltage out for st-by purpose.
When st-by, only 3.5V is normally on.
2010. 2 .19
IOP 55”
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