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22”LCD TV Haier LT22M1CWA<22M1CW
31
No Power (No LED indicator)
Check bridge rectified circuit and F901 circuit
Check R904, R905 and Change IC901
1) Check IC901,D902,C908
2) Check IC902 OVP circuit
Check CN902 pin10, 11 = 16V
Check AC line volt 110V or 220V
Check AC input
Check the voltage of C905 (+)
Check start voltage for the pin8 of IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
OK
NG
Check T901, Q903, D906, D904, ZD920, ZD902, IC903
Check IC901 pin5 PWM wave
OK
Check IC901
NG
NG
OK
NG
OK
OK
Содержание LT22M1CW
Страница 5: ...22 LCD TV Haier LT22M1CWA LT22M1CW 5 2 Operating Instructions 2 1 The Use of Remote Control ...
Страница 6: ...22 LCD TV Haier LT22M1CWA LT22M1CW 6 2 2 To Use the Menus OSD SETTING ...
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Страница 16: ...22 LCD TV Haier LT22M1CWA LT22M1CW 16 2 3 How to Connect ...
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Страница 22: ...22 LCD TV Haier LT22M1CWA LT22M1CW 22 2 4 Panel Control Knobs ...
Страница 34: ...22 LCD TV Haier LT22M1CWA LT22M1CW 34 6 PCB Layout 6 1 Main Board ...
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Страница 36: ...22 LCD TV Haier LT22M1CWA LT22M1CW 36 6 2 Power Board ...
Страница 37: ...22 LCD TV Haier LT22M1CWA LT22M1CW 37 6 3 Key Board 6 4 IR Board ...
Страница 63: ...22 LCD TV Haier LT22M1CWA LT22M1CW 63 10 3 Key Board ...
Страница 64: ...22 LCD TV Haier LT22M1CWA LT22M1CW 64 10 4 IR Board ...
Страница 65: ...22 LCD TV Haier LT22M1CWA LT22M1CW 65 11 Exploded View ...