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Failure Mode
Part
Name
Description
Phenomena
Failure cause
Mechanlcal
Nolse
When
turn panel,appear
cacophony
Caused
b y M e c h a n i c a
noise of backlight
unit
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
b a d n e s s S h o r t
between wire and
electrode
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
inB/L ,white,balck
Rotundity
or wirelike
F/M in B/L unit
Service Manual
Model No.:
- 55 -
Summary of Contents for MSDV2413-03-D0
Page 13: ...3 4 LED Panel 12 Service Manual Model No V236H1 L01 ...
Page 27: ...7 Electrical parts 7 1 Block diagram Service Manual Model No 26 MSD306 1517 1 2 ...
Page 45: ...Service Manual Model No 44 9 Trouble shooting 9 1 Simple check ...
Page 47: ...Service Manual Model No 46 3 Panel display abnormally connector j20 is at normal level ...
Page 50: ...Service Manual Model No 49 ...
Page 51: ...Service Manual Model No 50 ...
Page 52: ...Service Manual Model No 51 ...