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4.5 FAULT SYMPTOM
NO Fault
contents
Fault status
Suspected
fault location
Analysis
procedure
and
measure
1
After momentarily going on, the
screen becomes black
immediately or after a few
seconds. (Main power is turned
off.)
X-SUS,Y-SUS
PSU, Panel
chassis, Logic
ABUSL or R
Refer to
Chapter
4.6.1
2
Entire screen
does not light.
Screen lights dimly even on the
back screen.
Logic Replace
Logic
board
3
Single vertical line (of different
color
)
start point at center of
screen
Panel chassis
Logic, ABUS,
ADM
Refer to
Chapter
4.6.2
4
Single vertical line (of different
color
)
start point exclude at
center of screen
Panel chassis
Replace
Panel
chassis
5
Vertical line
Single full vertical line (of different
color
)
Logic Replace
Logic
board
6
Vertical bar
Bar width of 1/33 of horizontal
size or abnormal display in
multiples of 1/33.
Panel chassis
(ADM)
Refer to
Chapter
4.6.2
7
Abnormal display at bar width of
1/11 of horizontal size or
multiples of 1/11
.
Panel chassis
ABUS
Connection of
above boards.
8
Abnormal display at bar width of
1/11 of horizontal size (Vertical
bar of different color)
Connection of
ADM,
ABUS
Refer to
Chapter
4.6.2
9
Abnormal display at bar width of
2/11 of horizontal size (Vertical
bar of different color)
Connection of
ABUS
10
Abnormal display at bar width of
2/11 of horizontal size (Vertical
bar of different color)
Connection of
ABUS
11
Abnormal display at upper side
or lower side of horizontal size
(Vertical bar of different color)
Connection of
ABUS and
Logic or
X-SUS and
ABUS
