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How do you turn off diagnostic mode with TV on? Sony KP51WS520

I have a g board problem and can turn the tv on in diagonstic mode mode but can't cancell the disgnostic with the tv on. I have the dreaded standby light blinking 9 times and can't turn it on with the on/off switch. I can turn it on in the diagnostic mode with the remote.

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

Slinteriors
  • 8617 Answers

SOURCE: Trouble code: Standby LED blinks 9 times

Try pushing the buttons on the remote and let me know what comes up on the screen if anything.
Display, Channel, 5, Vol Minus, ( Not plus ) then Power. This brings up
a screen with a list of the problems and number of times they have occurred.
Each of the problem names is abbreviated as, "OCP", "OVP", "V STOP", ETC.
We have repeated them in parentheses in the text for the "Blinks" described
above so you can correlate between the diagnostic screen and the blink
codes.

Posted on Jan 13, 2008

bestdarngood
  • 3037 Answers

SOURCE: Trouble code: Standby LED blinks 9 times

You will need to replace the G board on this tv to fix the problem

Posted on Aug 13, 2008

  • 2 Answers

SOURCE: Sony Wide Screen Projection TV KP-51WS520

I had the same problem. blinking 9 times, pausing, 9 times...... remote would not power the tv on. after five minutes of pressing the remote it finally would. after turning it off you would have the same problem. sometimes a half hour of pressing remote in every which what way. finally left the tv on for three days and would mute at nite to go to bed. didn't think that was the best way so turned it off and it never turned back on. checked all the forums and found out it was the g board. unfortunately, you cant buy the whole g board anymore. if you take the back panel off the tv, on the lower left corner is where the g-board is. there are 3 little things to unplug and two screws (phillips head) in the middle of the g board. its simple to figure how to take it out. go to the sony direct parts website. the part # is A1054157A for the g board. since they dont sell it anymore they have a phase 3 program where you send in your old g board and they repair it for 64.95. it'll cost about 8 bucks to ship it to them. better than the 400 bucks the tv guy wanted. address is sony customer satisfaction ctr. , materials door 27H, mount pleasant, PA 15666 there number is 866-748-8272. call first and they give you the step by step instructions what to do. after tax and shipping it came out to less than 80 dollars.even came with a warranty. got it back in a week, popped it in and just love turning the tv on. anyone can do it.

Posted on Feb 06, 2009

  • 184 Answers

SOURCE: TV won't turn on

There's a small diode on the power supply board that causes this. Its identifiable by its purple stripe. You will need the correct type of diode to fix this properly. The diode supplies the standby voltage to the system control circuit, so when it fails, the TV will never come on.

michtech

Posted on Feb 14, 2009

tvtek
  • 1284 Answers

SOURCE: Sony Tv 42

The 9 flash error usually means an issue with one of the power supply boards in the TV. You can verify this by bypassing the shutdown. To do this with the set off and in the standby mode point the Sony remote at the TV and press these buttons in sequence within 5 seconds of each other, DISPLAY 5 VOLUME DOWN and then POWER. The set should turn on with no issues. Once it comes on there will be a diagnosis screen and the bottom entry on the screen should be ZCD. That entry should have a zero in the fail column. If it has anything besides zero then the power supply board is at fault. There are two power boards in this TV so I don't remember which one causes the issue whether its the G1 or G2 board. At this point if this is the issue then I would have a technician do the repair since replacing either board isn't that easy. Please take a few moments to rate my answer. Thank you....

Posted on Nov 19, 2009

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My sony kdl 46 turn on tv green light for few sec then stnby light flashes 2 times , what does that mean


I checked on the schematic, there is a self diagnostic mode for the tv accessed with the remote control. If the TV does not turn on I would highly recommend finding a local reputable service facility as this might be completely a fault inside the TV. https://www.encompassparts.com/shop/model_research_docs/?file=/SON/sm/KDL46V4100.pdf

Please check page 12 for self diagnostic procedure.

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I need a D board for a sony projection tv model KP-51WS520. Can I buy this anywhere or does it need repaired? Thanks in advance!


you probably will not find one available and they usually are repaired at com

SONY D BOARD 10 BLINKS REPAIR KIT KP51WS520 , KP57WS520 , KP46WT520

ponent level . but here is a link to the parts to do that with from EBAY

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Sony model no KP51WS520 red light flashes 9 times but wont turn on


Check if the TV is in an AV mode.

Normally if I leave my TV in an AV mode with nothing plugged in, it starts flashing the red led..

If no luck return it

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I have a sony 52" rear projection tv red light


I will need the model number to assist if its the KP51WS520 the 9 blinks is zero cross diodes on the g board.

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I have a sony projection tv model # kp51ws520.When you turn it on you get sound but no picture and then it shuts itself off.The standby light blinks five times.If i keep turning it on and off it eventually...


Video output error which is indicating that one of the CRT drive boards has an issue such as IC9101 on the CR (red Board) or C9201 on CG ( green) and IC9301 on the CB (blue )
It could also be an issue with the video out IC on the A board ( IC452 ) But the CRT drive boards are more likely. You can get replacement boards and parts for that model at www.tvcircuitboards.com

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2 Answers

Sony KP51WS520- stand by light flashes 9 times and won't turn on. Have unpluged for 4 hours, still won't turn on.


Unplug the tv, take the back off,locate the G board, next look for D 6301,and D 6116,these are diodes,desolder them and replace them,if that didnot fix it,then change the switching regulator also,its also on G board..use a desoldering iron to remove parts, then wick wire to get the access solder off the pin holes to resolder parts.hope this helps.....

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Press in order on the SONY remote "display - 5 - vol. down - power" .that will show diagnostics indicating 9 Zero Cross Detect . You shoud take it to a servicer.

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Sony KDL-46V3000 Bravia LCD Black screen


It's not to complicated, in the newer TVs as well as other things, when you first turn them on the diagnostic circuits kick in [that the first relay you hear click] it sends a signal (low voltage) to all the circuits to check them and make sure there are no problems. If it gets the proper returns from each circuit it kicks out and the full power relay kicks in and powers your set up. This is done to protect others circuits that might be effected by a flaw in a different circuit. What started as a small flaw in a component has gotten worse with use which is normal. Your set is kicking the diagnostic circuits and they are detecting the problem and shutting it down. You have problems with your power board, if the diagnostics circuits were not in place and full power hit the set the power board could possibly put triple or more voltage to some section of another board, thus burning it out also. That's why they started using the diagnostic circuits on TVs, Computers have had them for years. Late model car - etc. I would take the power board out of it and go to shop Jimmy's and enter the part # which will be on the board and order me another one and pop it in and kick back and watch TV again. I don't know what a power board would cost for it but "shopjimmy's" carries high quality boards at a reasonable price. I do caution you on buying a refurbished board, they are tempting but I have never and I mean never seen one hold up very long. As a matter of fact I will not put one into a TV or anything else for that matter. So there is light at the end of the tunnel and it's not the train this time! I only work on the kind of TV that plug into the wall or run on batteries, therefore, I've seen a bunch of them in14 years. Don't worry about getting the wires mixed up because one thing about TVs is a harness or plug will only fit one place and that is where it belogs you can't cross them up.
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1 Answer

TV won't turn on


There's a small diode on the power supply board that causes this. Its identifiable by its purple stripe. You will need the correct type of diode to fix this properly. The diode supplies the standby voltage to the system control circuit, so when it fails, the TV will never come on.

michtech

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