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©
2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
2. No OSD Trouble Shooting
Replace Power board
N
Y
Check 5V Voltage Level
at P501
Check Power connector
Y
Check 5V Voltage Level at L507
N
Replace one of L507
& Recheck
Y
Check P1401/P1402
(TXAC-), (TXAC+), (TXBC-),
(TXBC+), Display Enable
N
Y
Check LVDS Cable
N
Replace Cable
Y
Check PDP Module
Check 5V Voltage Level
at L507, L501
N
Replace one of L507,501
& Recheck
Y
Maybe S7R(IC101)
has troubles
It should satisfy the
Pixel Clock
on CAS.
Electrical Specifications
Power Supply Sequence
Input Signal Timing Specification
Control Signal Register
Check CAS
Check P501
5V_ON
Check GPIO Path of PM
N
Y
Check 3D ASIC
*3D Trouble Shooting
Содержание 42PW340
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