No Power NOVA LED-TV19-A2 (share)
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AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: LCD - LED TV REPAIR
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No Power NOVA LED-TV19-A2 (share)
by ultrasonic™ Mon Nov 21, 2016 10:01 pm
Share ko lang..
NOVA 19" LED LCD TV ...
Model LED-TV19-A2..
Status: No Power
upon checking bagsak ang secondary B+.. imbis 12V ay naging 1.5V lang.. back trace in Feedback circuit a.k.a biaser at ayon sapol ang kutong si error Amp TL431A at Opto PC817
NOVA 19" LED LCD TV ...
Model LED-TV19-A2..
Status: No Power
upon checking bagsak ang secondary B+.. imbis 12V ay naging 1.5V lang.. back trace in Feedback circuit a.k.a biaser at ayon sapol ang kutong si error Amp TL431A at Opto PC817
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AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: LCD - LED TV REPAIR
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