Question about Sony FD Trinitron WEGA KV-21CL10 21" TV

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No Display, no sound- not working, showing dead. But input Power is ok. Picture tube filamment not getting power. model sony KV-2192M3

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Hello
Check the input fuse first. If it is blown, there will be some short inside the power regulator circuit. Usually Sony sets uses STR regulated power supply. You can see this STR, and Ic, screwed onto a heatsink. Replace it with a same type and number. Before replacing the STR, check the diodes used in that section for damage, mainlu zener diodes. They might get shorted along the blowing of the STR. Check that section throughly before resoldering the new STR.
If any further assistance you needs, get me through Fixya. Ok.

Posted on Nov 27, 2010

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Hi tv sony model kv-hw21m85 no sound vcc ok fon ok but no sound

Posted on Jun 13, 2013

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My sony trinitarian kv-g21s2 tv no working, connect to the power led blink only

Posted on May 29, 2011

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Posted on Jan 02, 2017

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