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60
Ripple Connectric
circle
Causeed by between mechanism and
Panel
B/L off
B/L lose action
*Connect badness between wire and
electrode
B/L dark
B/L brightness
darker than normal
*Connect badness
Short 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 between lamp housing and wire, Because
consume power too much
F/M
F/M in B/L ,white,
back Rotundity or
wire like
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
Содержание HL42B-B
Страница 8: ...8 3 2 2 Connector definition Main board connector ...
Страница 32: ...32 2 Video It include Auto Color and Color Temperature ...
Страница 34: ...34 Channel menu includes 5 Function Range Scan Single RF Scan Factory Scan ...
Страница 54: ...55 CN4 CN5 J28 10 1 3 No sound ...
Страница 60: ...61 Sincere Forever ...