Philips FPF42C128135UA-52 Service Manual page 24

EN 24 5. FHP PDP
NO Fault
contents
1 Entire screen After momentarily going on, the
does not screen becomes black
light. immediately or after a few
seconds (main power is turned
off.)
2 Screen lights dimly even on the
back screen.
3 Vertical line Single vertical line (of different
color)
4 Vertical line from the middle of
effective scan area (vertical line
of different color)
5 Vertical bar Bar width of 1/7 of horizontal size
or in multiples of 1/7, is displayed.
Abnormal display
6 Bar width of 3/7 or 4/7 of the
screen width, is displayed.
Abnormal display (vertical line of
different color)
7 Horizontal Single horizontal line (no light) or
line single horizontal line does not
light among the effective scanning
area.
Single horizontal line does not
light.
Every other line (no light) in entire
8
screen
Service Modes, Error Codes, and Fault Finding
Fault status
Figure 5-15 Fault symptom overview (1/2)
Suspected Analysis procedure
fault location and measure
X-SUS Refer to
Y-SUS "Entire screen
does not light"
PSU
Panel chassis
LOGIC
ABUSL
ABUSR
LOGIC Replace the LOGIC
board, following the
"Logic Board
Exchange" procedure
Panel chassis Refer to
"Vertical line/bar"
LOGIC
Panel chassis Replace panel
chassis
Panel chassis
Refer to
ABUS-L "Vertical line/bar"
ABUS-R
LOGIC
Above boards
are connected
.
ABUS-L
ABUS-R
LOGIC
Above boards
are connected.
Panel chassis Replace panel
X-SUS
chassis
Y-SUS
ABUS-L
ABUS-R
X-SUS Replace
Y-SUS
X-SUS, Y-SUS
ABUS-L
ABUS-R
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