PDP-4271HD
80
1
2
3
4
1
2
3
4
C
D
F
A
B
E
5.1.3 FLOWCHART OF FAILURE ANALYSIS FOR THE DRIVE ASSY
Flowchart of Failure Analysis for The Drive Assy
X/Y DRIVE Assys
No
No
No
NG
NG
Yes
Yes
Yes
Are the FFC cables properly
connected?
Are the panel FFC cables properly
connected to the X/Y DRIVE Assys?
Is the input signal normal?
Replace the panel chassis.
Yes
Replace the X/Y DRIVE Assys.
NG
Replace the DIGITAL Assy.
Properly connect the panel
FFC cables.
Properly connect the FFC cables.
No
Replace the FFC cables.
Reset lighting is not displayed.
Is the waveform normal when the
voltage is applied to the panel?
Failure analysis for the
drive system
⇒
DR1