Question about Sony FD Trinitron WEGA KV-34HS510 34" TV

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Kv34hs510 after replacing both MCZ3001DB chips and TV still will not power up ,what would be the next step in fixing this model tv. kV34-HS510

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2 Suggested Answers

sdporto
  • 15 Answers

SOURCE: sony KV34-HS510

tv is in protection mode...first u most measure psu output, next horizontal transistor driver, and all outupts from flyback....and find witch one is in fault

Posted on Feb 04, 2008

daniel719
  • 240 Answers

SOURCE: sony trinitronKV34-HS510 3 blink code

i dont think its HV
3 blinks is B+ voltage.

just replace the main board.
sum times andrews electronics has them for around $80
regards,
daniel.

Posted on Jan 13, 2009

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I have a 2004 Sony Wega Trinitron KV-HS510 that will not turn on. When I try to turn on the TV it sounds like it will power up and then I hear a click, and the TV turns itself off. The Stand By Light is...


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7X blink is a generic Horizontal Deflection Stop code. There is a chip in the TV, IC8005 or 8006 if I'm correct, that routinely goes bad on these sets. It could be one of any number of transistors or IC's, but that one is usually the culprit.

The chip itself is around 40 dollars, and with labor, you're looking at about 125-175 average, barring any unforseen problems. That's in-shop. Tack on a service call charge if it is in-home (if anyone will do that for you).

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1 Answer

Sony trinitronKV34-HS510 3 blink code


i dont think its HV
3 blinks is B+ voltage.

just replace the main board.
sum times andrews electronics has them for around $80
regards,
daniel.

Feb 05, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony KV34-HS510


TV's always make a clicking sound as the Main Power relay turns on. If you are asking why it then doesn't turn on, it can be many things. The processor monitors a number of circuits and if something is amiss, it turns off. The most common failure is the high-voltage circuit and if the set is any where near 10 years old, I'd plan on replacing the flyback transformer as well as anything else it damaged while failing.
Another option is to wholesale replace the main board from an outfit like PTS Electronics at ptscorp.com.
Hope Ya Fix It!

Feb 04, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony KV34-HS510


tv is in protection mode...first u most measure psu output, next horizontal transistor driver, and all outupts from flyback....and find witch one is in fault

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I have a similar problem . mine blinks 6 times or 7 sometimes also,and comes on with sound ,no picture for about 2 seconds then shuts off. Anything?

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