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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

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ApexApex 32"Apex 32" . When I turn it on, I hear a high pitch noise from inside the TV. It starts to chirp in small intervals, then quickly becomes a single continuous tone. No video signal or sound from the speakers.:D you have a line op stage problem-remove the line op transistor and check it for sc-with the transistor removed load the power supply ht capacitor with a 40w lamp and switch on-check the ht is correct . if so your power supply is ok,if your line op transistor is faulty a new one may get you working .Check all soldered joints in the line op stage 21-10-05
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