Part
Name
Description
Phenomena
Failure Cause
Circuit
White Screen
B/L
normal,
only white screen display
Maybe caused by surge current and EDS
Black Screen
B/L
normal,
only Black screen display
FIIcker
Crosstalk
LCD
Vcom imbalance
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
Service Manual
Model No.: LET32H320 LET42H320
54
Summary of Contents for LET32H320
Page 11: ...Service Manual Model No LET32H320 LET42H320 10 Right Side Back Side ...
Page 18: ...LET32H320 17 Service Manual Model No LET32H320 LET42H320 ...
Page 19: ...LET42H320 Service Manual Model No LET32H320 LET42H320 18 ...
Page 23: ...6 3 Setting Up Your Remote Control Service Manual Model No LET32H320 LET42H320 22 ...
Page 24: ...Chapter 7 Electrical Parts 7 1 Circuit Diagram 23 Service Manual Model No LET32H320 LET42H320 ...
Page 25: ...Service Manual Model No LET32H320 LET42H320 24 ...
Page 26: ...25 Service Manual Model No LET32H320 LET42H320 ...
Page 27: ...Service Manual Model No LET32H320 LET42H320 26 ...
Page 28: ...27 Service Manual Model No LET32H320 LET42H320 ...
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Page 39: ...Service Manual Model No LET32H320 LET42H320 38 ...
Page 40: ...7 3 Wiring Connection Diagram LET32H320 39 Service Manual Model No LET32H320 LET42H320 ...
Page 41: ...LET42H320 Service Manual Model No LET32H320 LET42H320 40 ...
Page 47: ...2 Display trouble exceptional screen Service Manual Model No LET32H320 LET42H320 46 ...
Page 48: ...3 Display trouble white screen 47 Service Manual Model No LET32H320 LET42H320 ...
Page 49: ...4 Display trouble black screen Service Manual Model No LET32H320 LET42H320 48 ...
Page 50: ...5 Audio trouble No sound 49 Service Manual Model No LET32H320 LET42H320 ...
Page 51: ...6 PC no signal or abnormal picture Service Manual Model No LET32H320 LET42H320 50 ...
Page 52: ...7 HDMI problem 8 USB problem 51 Service Manual Model No LET32H320 LET42H320 ...