39
B/L wire
damaged
B/L wire damaged
Operation abnormal or systemic noise
B/L wire
open
Without backlight
Operation abnormal or systemic noise
B/L shut
down
B/L shutdown in
sometime
Short bitween lamp housing and wire, Because
consume power too much
F/M
F/M in
B/L ,white,balck
Rotundity or
wirelike
F/M in B/L unit
Failure Mode
Part Name
Description Phenomena
Failure
cause
Light
leakage
Brightness at
bottom of LCM
brighter than
normal
B/L unit badness
Uniformity
B/L brightness
asymmetric
Sheet in B/L unit is uneven
Mechanlcal
or B/L
Mount hole
Lack screw or
screw damage
*Lack screw
Screw damage
Summary of Contents for HLC22RW
Page 15: ...15 External Equipment Connections ...
Page 16: ...16 ...
Page 17: ...17 5 OPERATION INSTRUCTIONS Basal information 5 1 Front panel controls ...
Page 18: ...18 5 2 Back panel controls ...
Page 19: ...19 5 3 Universal Remote Controller ...
Page 32: ...32 8 WIRING CONNECTION DIAGRAM ...
Page 35: ...35 9 3 Main board failure check ...
Page 36: ...36 State No picture ...
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