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Abnormal
Color
Only
color
abormal
Capacitance improper bring crosstalk inside LCD
pannel
Abnormal
Color
Only
color
abnormal
1.Chip lose action
2. IC short or jointion bad
3.Pannel and vsc connect bad
Failure Mode
Part
Name
Description
Phenomena
Failure cause
Mechanlcal
Nolse
When
turn
panel,appear
cacophony
Caused by Mechanica noise of backlight
unit
Ripple
Connectric circle
B/L off
B/L lose action
Causeed by between mechanism and
pannel
*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
open
B/L wire damaged
Operation abnormal or systemic noise
Without backlight
Operation abnormal or systemic noise
B/L
shut
down
F/M
B/L shutdown in
sometime
F/M
in
B/L
,white,balck
Rotundity
or
wirelike
Short bitween lamp housing and wire, Because
consume power too much
F/M in B/L unit
Failure Mode
Part
Name
Description
Phenomena
Failure cause
46
Содержание HL22T
Страница 1: ...HL22T 1 ...
Страница 20: ...7 2 Back panel controls 27 ...
Страница 21: ...7 3 Setting Up Your Remote Control 28 ...
Страница 32: ...9 6 Backlight Backlight adjust the backlight 9 7 Function Burning Mode 39 ...
Страница 49: ...11 WIRING CONNECTION DIAGRAM 42 ...
Страница 55: ...Sincere Forever 48 ...