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53
Polarizer
Bubble
Bladder in
Polarizer
Bladder between Polarizer and top glass
Polarizer
Scratch
Polarizer Scratch
Tine or rigidity arose
F/M inside
Polarizer
Eyewinker inside
Polarizer
Eyewinker inside Polarizer
Abnormal
Display
Abnormal Display
Circuit
Flashing
Bright and dark
display alternately
1. Chip lose action
2. IC Abort or jointing bad
3. Panel and VSC connect bad
Failure Mode
Part Name Description Phenomena
Failure
cause
White
Screen
B/L normal, only
white screen
display
Black
Screen
B/L normal, only
Black screen
display
Maybe caused by surge current and EDS
FIIcker Crosstalk
LCD Vcom imbalance
Abnormal
Color
Only color
abnormal
Capacitance improper bring crosstalk inside LCD
panel
Circuit
Abnormal
Color
Only color
abnormal
1. Chip lose action
2. IC short or joint bad
3. Panel and VSC connect bad
Failure Mode
Part Name Description
Phenomena
Failure
cause
Summary of Contents for HL32R-B (MTK5380-AU)
Page 1: ...1 HL32R B MTK5380 AU ...
Page 8: ...8 3 2 2 Connector definition Power connector CNA1 MTk5380 ...
Page 15: ...15 ...
Page 16: ...16 ...
Page 17: ...17 ...
Page 18: ...18 ...
Page 21: ...21 Power source Removing the table stand and installing a wall mount bracket ...
Page 31: ...31 2 Video 3 Audio 4 Channel ...
Page 32: ...32 5 Gamma 6 BackLight ...
Page 49: ......
Page 50: ...50 10 TROUBLE SHOOTING GUIDE 10 1 Simple check 10 1 1 LCD is not bright 10 1 2 No picture ...