Question about Sony FD Trinitron WEGA KV-36HS420 36" TV
Hello!since you have an experience in repair,try to have a voltage data on the circuits of your tv..check whether there is a supply output from the plyback secondary,does the heater of the picture tube is lit?if yes your plyback is working fine,,if not,check the horizontal output transistor for any leak,open or shorted.do it same to the regulator.if these two transistor is bad replace them..check also for any leak capacitors on your horizontal section.there might be a problem in there..same with the capacitors on the power supply section.If The plyback transformer is not switching replace the jungle ic.this ic generates the horizontal pulse to the plyback..good luck hope i helped you..
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Posted on Jun 04, 2010
Testimonial: "very fast and informative"
Its the ic in pwr supply part#starting mz
Posted on Jun 14, 2010
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Posted on Jan 02, 2017
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