Read LG 42PW350E-DC (CHASSIS:PB11A) Service Manual online
Customer Oriented R&D
Breakthrough
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
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
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