Question about Sony FD Trinitron WEGA KV-34HS420 34" TV

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Sony trinitron power will not come on sometimes

Tv will come on every once in a while the few diffrent trouble shooting problems could be high voltage shutdown or no raster codes are c515 516 and jungle ic,ic206

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  • Anonymous Mar 19, 2009

    its like the reset on it or the stand by light is flashing but ut dosent fully come on its like the sound isnt as loud when it comes on

  • wardjennifer Mar 30, 2009

    the TV will not turn on. The standby light blinks. This happened once before and then one day it just came on again. This time, it won't turn on.

  • hs2390 Apr 06, 2009

    Same issue with no power on and standby light blinking...



    Anyone solve this one?



  • vancuuver Apr 29, 2009

    how do you do the test?


    no lights blink on it.


    is there a way around this?

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1 Answer

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  • Master
  • 790 Answers

Hi

Can you give to me your diagnose test result..

Thanks!

Posted on Mar 06, 2009

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1 Answer

The standby light flashes 7 times then pause and repeat.


Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits. Power supply regulator section circuit should be troubleshooted. It is fatal to proceed trouble shooting this section, without proper knowledge in electronics, as if you want to measure the voltages to this section, the TV must be switched ON. When it is switched ON, or powered up; most of the components in this section will be dangerous to touch. If you are not handy, seek tech support. It will be more better.

Jun 19, 2012 | Sony FD Trinitron KV-32HV600 32" TV

1 Answer

I have a Sony FD Trinitron Wega (KV-32HS510). When I attempt to turn the tv on by pressing the power button on the remote or on the tv, the standby light comes on and I hear two clicks but tv don't...


The primary power supply is good,maybe the horizontal output transistor is deffective thats why there is no high voltage supply in the picture tube because theflyback have no supply voltage and oscilation.So check the harizontal output transistor and replace if deffective.

Sep 12, 2011 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

My sony trinitron KV-32hs500 blinks sometimes 5 sometimes 6 and sometimes 7 times....is their anyway to fix this


Hello Fixya Customer,

Thank you for your question.

Based on your symptoms, there could be several possibilities. The power supply, deflection, and high voltage circuit.

A common fault is in the High Voltage power supply circuit, and it can be corrected by repairing or replacing the main board.

Thank you for using Fixya, and if you should have any additional questions, please ask.



May 01, 2010 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

I have a sony trinitron kv36hs500 tv which power problems


try making resolders on power supply ckts, try also adjust screen voltage,, check crt socket,,if all of this dont solve it, try to rejuvinate the crt.

Feb 27, 2010 | Sony FD Trinitron WEGA KV-36HS500 36" TV

1 Answer

Canno turn the tv on.


You probably have a main or high voltage power supply problem; the latter produces the 20,000 plus volts for the CRT and gets its voltage from the main supply. It's difficult to say which is at fault without a few measurements.

Feb 14, 2010 | Sony FD Trinitron WEGA KV-32HS420 32" TV

2 Answers

1999 sony trinitron color tv -no picture-no sound.


Hello c_car,

What is happening is that the Shutdown Circuit is turning the TV off due to excessive current flow. The excessive current flow is most likely the result of a problem in the HV (High Voltage) section of your TV. This could mean that the Horizontal Output Transistor or the Integrated High Voltage Transformer has malfunctioned (developed a short circuit). I would advise that you let a qualified TV technician work on the set due to the nature of this problem.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Jan 19, 2009 | Televison & Video

1 Answer

Sony 2167 No power on


I have not worked on your particular model. But, I have serviced many TV sets over the years. My answer will ge generic.

Check all the capacitors in the horizontal output stage and power supply areas for high ESR. All the caps that are out of spec must be changed.

The high voltage multiplier & flyback can also cause the fault you are having.

You have to consider that the DC voltages are not the only important spec that has to be met. There are also many power drive signals that work with reactive devices. If there is any defect in the critical areas there will be failures.

Jerry G.


Nov 26, 2008 | Sony FD Trinitron WEGA KV-21CL10 21" TV

1 Answer

Sony KV Trinitron WEGA 36" TV won't turn on


My 36 wega did the same thing last week it must be contagious. Blinks 7 times mostly but sometimes 6 if hit power switch again. The problem is the D-boards shorted Flyback high voltage transformer but the ones Sony is selling $130 do not hold up and seem to burn out in a few days, yes twice bitten. Finally they send me new D-board can't wait to see if this fixes it once and for all. The board costs around $200 but is worth it to get it running again.

May 02, 2008 | Sony FD Trinitron WEGA KV-36HS500 36" TV

1 Answer

Sony Wega KV-27FS120


This may be a power supply, and or a high voltage, or a scan ampplifier failure. The set would have to be properly trouble shooted by an experienced TV tech to determine the exact failure. This is not something you can fix yourself at home.

Jerry G.

Apr 15, 2008 | Sony FD Trinitron WEGA KV-27FS120 27" TV

1 Answer

I got a sony trinitron over the last few months it takes a long time to switch on,sometimes up to 2 mins!. was wondering if you know wots wrong? thanks


I would think that this TV has some colder solder joints around the high voltage area and the power supply as well. Check mainly the high power resistors area.

Jan 17, 2008 | Televison & Video

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