Pioneer PDP-424MV Service Manual page 47

(4) Wrong lighting
Wrong lighting
The PDP is fault.
(Refer to P7-1 "HOW TO DIAGNOSE THE PDP MODULE".)
(5) Dark images [Other than the deterioration in brightness as per (1) above]
The images are dark even with
an all-white input
The PDP is fault.
(Refer to P7-1 "HOW TO DIAGNOSE THE PDP
MODULE".)
(6) Defect in horizontal lines
Line defect
The PDP is fault.
(Refer to P7-1 "HOW TO DIAGNOSE THE PDP
MODULE".)
All-black signal
All-black signal
All-white signal
All-white signal
8-11
Dot errors change
with no continuity.
47