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

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6 blinks and no picture. Solution said no horizontal but what does that mean?

Posted by Anonymous on

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  • Sony Master
  • 2,098 Answers

You are in the standby mode only without the oscillation from the flyback that's why your tv won't power up.
You need to send it to repair to checked for the faulty parts because its quite technical to isolate the problem. You need to look for a qualified technician.

Solution said that you have no horizontal it means that you haven't a complete low voltage supply which will drive the horizontal section and also to your flyback.

Posted on Jan 04, 2011

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  • Sony Master
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It means you have a high voltage problem on the main board, without this no picture can be generated. This will require a tv tech to troubleshoot the problem.

Posted on Jan 04, 2011

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1 Answer

Picture will not come on but flashes sequence of 6. I can hear it when I turn it on. I've unpluged it trying to reset it but to no avail. What can be the problem and what would the estimate be to fix?


hi,
first check is there is any dry soldering on the circuit board. by 6 blinks its means its horizontal side is not working. may be because of problem with the main chroma ic( its a jungle of horizontal, vertical,sync, and colour.). also check the horizontal driver transistor and transformer.

also check one more thing the horizontal power supply voltage. check the protection zenar in its rail.
ok

Dec 22, 2010 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Power on, sound no picture for three seconds, power off, led blinks 6 times pause repeat


  • Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206.

That means no horizontal output which could be caused by a faulty driver stage or even a faulty power supply.
Hope that helps.

Dec 09, 2010 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sound, no picture, Red LED 4 flashes


Hello Thanshar, Hi, you TV has sound, but no picture. this could be several things, and let us add the red led flash. In my analysis, no picture means no high voltage is reaching the picture tube. this could be due to a bad Horizontal output transistor, and/or a bad flyback transformer. This bad transistor is causing an overload to the power supply section, causing the 4 led flash to blink. Now i want to know if you want to do this service or get professional help. if you decide to do this by yourself, this needs to be performed: the Horizontal output transistor must be checked for short, the horizontal flyback transformer needs to be tested, the deflection yoke also needs to be checked, especially to horizontal coil.

Oct 09, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

2 Answers

No picture


I disagree with given info, this tv has no horizontal output transistor because it is dlp tv.
3 red light blink means lamp cover is not placed back properly after lamp replacement/ lamp checking. Make sure lamp cover is fixed back in its place securely and tight.


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1 Answer

Heard a pop then no picture. Self-Diagnosis issues 4 flashes but have no idea what that means. Sounds like a problem with the lamp, but there is no mention of a lamp in the Operating manual.


there is no lamp, it's a crt type rear projection. i seem to recall 4 flash
blink code is horizontal stop, I'm not sure. Might be your horizontal output has blown, the pop you heard. Would begin at that circuit. Use only original replacement part, no sub. can use 2sd5142 for the horizontal output.

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1 Answer

No picture-- Diagnostics Light blinks twice. Set is about 6 years old. Set and picture look(ed) brand new. This occurred suddenly and for no apparent reason. Please give me some GOOD news! RTNTX


The 2 blinks indicate an over-current condition. Basically that means that there is a shorted component inside the set. My first inclination is to check the horizontal output transistor as that is the most common failure part. Figure on the part costing between $10-$20. Add in the local labor rate for the total repair cost. If you can solder and are confortable workin g with eleectronics, you can repair this yourself. The Horizontal Output Transistor (HOT) is located close to the flyback transformer (part with large red wire coming out the top) and is attached to a heat sink. It has 3 legs. It may be marked C5638 or something similar. Post hte marking here and I'll give you the part number.

Dan

May 28, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Green lines


Due to vertical section failure horizontal line apprears. You did not mention about picture. Green horizontal line means with picture or without picture. With picture means there is some leakage. Without picture only singe horizontal line means vertical section totally not working. Particularly green horizontal line means maybe leads to jungle ic failure. Please mention your simptom clearly what you get and what you will not get both video and audio. It will be helpful to answer. Based on your question this is my small information.

May 24, 2008 | Sony KV-35S42 35" TV

1 Answer

Sony kv-32fs120


The 6 blinks mean no horizontal. Check the horizontal circuitry. I'll look up your specific model later and post more details.
Dan

May 07, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Sony trinitron tv


If you have sound but no picture it means that your power supply and tuner are working correctly. The number of times the timer LED blinks is the code for the problem with the picture. The computer will stop the picture and blink the timer LED if the vertical circuit stops working, if the picture tube is too weak or if the horizontal sweep has stopped. The set should be serviced by a qualified tech familiar with Sony sets.

Sep 03, 2007 | Sony WEGA KD-34XBR970 34" TV

1 Answer

Set powers off seconds after power on


* Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some newer models of Sony TV sets, this code means that T8005 is defective on the D board. That would be the fly back transformer and the horizontal output transistor.

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