Description
Caused
by Mechanica noise of backlight unit
Part Name Phenomena Failure cause
Mechanlcal
Nolse
When
turn panel,appear cacophony
Ripple Connectric circle
Causeed by
between
mechanism and pannel
B/L off B/L lose action
*Connect
badness
between wire and electrode
B/L dark
B/L brightness darker than
normal
*Connect
badnessShort between wire and electrode
B/L
wire damaged
Without backlight
B/L
wire damaged
B/L wire open
Operation
abnormal
or systemic noise
Operation
abnormal
or systemic noise
Short bitween lamp housing and wire, Because
consume power too much
B/L shut down B/L shutdown in sometime
F/M
F/M
inB/L ,white,balck Rotundity
or wirelike
F/M in B/L unit
Service Manual
Model No.: LE40D3281
48
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