Question about Sony KP-48S35 48" Rear Projection Television
I got your answer today about my sony no power , you told me to check blue high voltage capacitor beside the Horizontal output there are number on blue ceramic capacitor was 2kv you are right I found there 3 of them right behind the Hori out put but I wondered how to test that kind of ceramic high voltage capacitor . i used the multi tester but seem none of them work with its . Please help me again I almost found the problem , Thank you Huot Fujita
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Posted on Jan 02, 2017
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In most cases the standby light might blink with different rapidity to indicate a fault relevant to the processor. It is possible that most of these indicate that there are errors in the processing section . Since there is a possible short or leak in the circuit the output driver section can take in huge current to trip the SMPS or from advice from the micro processor. Remove the power plugs and make sure that high voltage sections are discharged of the potential stored in capacitors. Look for visible signs of leak or of busted capacitors. Look for bulged capacitors or damaged components- burnt or busted. Use a multimeter to check the continuity or shorting in components, if so detach from circuit and test . If the voltage builds up and the set power ON and then shuts up then the suspected section must be checked in detail.
The processor must have the +5 voltage to the function properly , the +B and secondary voltages also must be checked to infer the fault. Trace with caution and in running through the signal path , circuit trail.
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