Aiwa BBHTN180 Service Manual page 55

Failure Mode
Part Name
White Screen
Black Screen
FIIcker
Circuit
Abnormal Color
Abnormal Color
Description Phenomena
B/L normal,
only white screen
display
B/L normal,
only Black screen
display
Crosstalk
Only
color abormal
Only
color abnormal
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Service Manual
Model No.:
Failure cause
M a y b e c a u s e d
by surge current
and EDS
LCD
Vcom imbalance
Capacitance
improper bring
crosstalk inside
LCD pannel
1.Chip
lose action
2 . I C s h o r t o r
jointion bad
3.Pannel and vsc
connect bad