Philips FPF42C128135UA-52 Service Manual page 21

Service Modes, Error Codes, and Fault Finding
"Horizontal bar" problem analysis procedure
Horizontal bar
Turn "OFF" the main power
Replace the X-SUS board
Give the "PDP-go" signal (*1)
Normal?
N
Turn "OFF" the main power
Remove the X-SUS board
Put back the initial X-SUS board
Replace Y-SUS board
Give the "PDP-go" signal (*1)
Normal?
N
Remark: Do not interchange boards between different PDPs,
this might damage your PDP
* 1 When turning "ON" the PDP with PDP-go, refer to following procedure:
1. Connect the special LVDS cable (see paragraph "Repair Tools")
between CN01 and CN06
2. Supply power to the PSU
Y
Y
Figure 5-12 Horizontal line problem analysis procedure
FHP PDP
X-SUS board is defective
Y-SUS board is defective
PDP is defective
Replace the defective parts
5. EN 21
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