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Acer H243 Service Manual
Also see for H243H - Bmid: User guide
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Contents
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Acer Acer –LCD-H243H4004 Troubleshooting4.1 No Power & LED OffyesyesyesyesNGNGNGNGNGNGUnstable powerCheck samplingCircuit Check F801,R808,R806Change F801,R808,R806Check the R pin voltageof IC803 about 2.5VCheck R832,IC801CheckFB801,D803,C807,C810 if shortChangeFB801,D803,C807,C810Check pin6 of IC802voltage is 14VCheck pin2 ofIC802 voltageabove 0.85VChange R815, R 809, R848,R 849, R850,R851 ,C809,ENDCheck the Cpin voltage ofIC803 if 3VChangeIC803 |
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