LCD ENGINE - INTERNAL LAYOUT
TROUBLESHOOTING
|
No Light.
|
FMT does
not turn on lamp due to fault detection.
No DC
supply to ballast.
No Lamp
enable signal.
Lamp end
of life.
Ballast
Broken.
|
Check
error code on front pannel. Check problem indicated.
Check
power PWB PL connector for approx. 340VDC.
Check
connections PL-JE, JE-CN2.
Check FMT output Lamplitz FB pin 1.
Check connections FB-FB. CJ3_CJ3.
Replace lamp and check.
Replace Ballast and check.
|
|
No
Picture,
Bad
Picture.
|
FMT does
not turn on video.
DVI cable
not connected.
Engine
power missing.
Engine is
blanked.
FMT not
providing video signal.
Engine
broken.
|
Check
diagnostic code. Check circuit indicated.
check DVI
connections.
Check
connections PA2-CN102.
Check
control connections FC-FC, KC-CN3100.
Check FMT
Board.
Replace
engine and check.
|
|
High
Contrast
Unit not
Working.
|
No power
to Shutter.
No control
of shutter.
FMT does
not control shutter.
Shutter
broken.
|
Check 18V
from Power board PB pin4. Check connections PB-PB, KD-CN1.
Check
connections CN5-JG, JG-KD, KD-CN2.
Replace
FMT and check.
Replace
engine.
|
|
Set Shuts
down after
a while.
|
Fan not
working. Temp sensor.
Filter
clogged.
Temp
sensor problem.
Air path
blocked.
|
Check
error code and check indicated fan or sensor.
Check
filter and clean or replace.
Check error code. Check connections
DT-KB, LT-KB.
Check
sensor.
Check air
flow from each engine fan.
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