Service Modes, Error Codes, and Fault Finding
EN 24
FHP PDP
5.
Figure 5-14 Vertical line / vertical bar problem analysis procedure (3/4)
Vertical line of
different color?
Exists in left 1/2
area?
Switch off.
Replace ABUSL board.
Switch on
Normal?
Switch off
Replace Logic board
Switch on
Normal?
Normal?
Switch off.
Replace Logic ABUSL signal cable.
Switch on
ABUSL board is
defective
LOGIC board is
defective.
Signal cable is
defective
ADM is defective
PDP is defective
Switch off
End of analysis
Y
Y
N
Y
Y
N
Y
N
3
4
N
N
2
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