Maintenance - Haier Dx-Ltdvd19-09 Service Manual

B/L wire
damaged
B/L wire
open
B/L shut
down
F/M
Failure Mode
Part Name
Light
leakage
Mechanlcal
Uniformity
or B/L
Mount hole
10、 MAINTENANCE
To remove dirt or dust, wipe the cabinet with a soft, dry, lint-free cloth. Please be sure not to use a wet
cloth.
Cleaning the Screen
Early malfunctions can be prevented. Careful and regular cleaning can extend the amount of time you
will have
your new TV. Be sure to turn the power off and unplug the power cord before you begin any cleaning.
1. Here is a great way to keep the dust off your screen for a while. Wet a soft cloth in a mixture of
lukewarm water and a little fabric softener or dish washing detergent. Wring the cloth until it`s almost
dry, and then use it to wipe the screen.
B/L wire damaged
Without backlight
B/L shutdown in
sometime
F/M in
B/L ,white,balck
Rotundity or
wirelike
Description
Brightness at
bottom of LCM
brighter than
normal
B/L brightness
asymmetric
Lack screw or
screw damage
Operation abnormal or systemic noise
Operation abnormal or systemic noise
Short bitween lamp housing and wire, Because
consume power too much
F/M in B/L unit
Phenomena
B/L unit badness
Sheet in B/L unit is uneven
*Lack screw
Screw damage
37
Failure cause