Service Modes, Error Codes, and Fault Finding
EN 31
FHP PDP
5.
Figure 5-21 Fault symptom overview (3/3)
E_14580_007.eps
260304
No Fault contents
Suspected fault
location
Analysis
procedure and
measure
18
Picture
distorted
LOGIC
19
Steps of
gradations are
skipped
Luminance linearity is
poor.
LOGIC
20
Abnormal
sound
PSU, X-SUS
Y-SUS
(Core is broken,
or transformer is
abnormal)
Locate cause of
abnormality from
listening and
viewing. Replace
the cause of
problem
21
Control on
external
communication
is abnormal
Contrast, color
temperature
adjustment and Y
cannot be changed.
LOGIC
Replace LOGIC
board and folow
Logic Board
echange
procedure
Replace LOGIC
board and folow
Logic Board
echange
procedure
Fault status
