LG 60PZ550 Service Manual page 42

No OSD Trouble Shooting
Check P400
5V_ON
Y
Check SMPS Vs,Va, 5V,17V
Y
Check P1500
#33(TXAC-) , #32(TXAC+) ,
#17(TXBC-) , #16(TXBC+)
Y
Check LVDS Cable for damage or
open conductors.
N
Check PDP Module
Control board
Refer to Module CAS
Great Company Great People
N
Check GPIO Path of IC701
N
Replace Power Board
Maybe BCM has problems
N
Replace IC501
Y
Replace Cable
Electrical Specifications
Power Supply Sequence
Check CAS
Input Signal Timing Specification
Control Signal Register
It should satisfy the
9/37
Pixel Clock on CAS.