Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television

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4 blinks??? on my Sony TV

I just replaced the 2 covergence boards on the ''D'' board. Also replaced a pico fuse on the ''G'' board. Put it all together and now the TV will not power on and it has 4 blinking lights. I know it's a V-stop fault code but where do I start troubleshootin

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  • Anonymous Jan 21, 2009

    my picture is rolled up and makes it in the shape of a smily face.

    it also blinks four times and turns off.

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Double check a conections to vertical section

do you hear the relay click if not the problem is with the G board.

check the A board conector 509 vertical drive is on pin 2.
check ic 512 on A board.
check ic 509 part number is la78045

hope this was of sum help to you.
thamks
daniel.

Posted on Jan 13, 2009

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I have a sony kp-51ws510 projection tv, i replaced the convergence ic's and a pico fuse and then reset the convergence. The tv looks good except for a green shadow on lettering, also on the convergence...


Did you check the two pico fuses on the G board? Usually at least one will blow when the original ICs failed. I am attaching a pic that shows the 2 pico fuses on the G board.

Jul 08, 2011 | Sony KP-51WS510 51" Rear Projection...

1 Answer

How adjust the covergence in kp-51hw40? I remplaced both stk392-560 rgs Pedo


Did you check the 6 pico fuses on the D board and also the 2 pico fuses on the g board. Usually one on each board will require replacement with the new ICs. Then just pressing the perfect focus should reset the convergence after the picos have been tested and the blown ones replaced.

May 03, 2011 | Sony KP-61V85 61" Rear Projection...

1 Answer

My TV is showing convergence symptoms: the screen looks like 3D effects and as if someone is pusing in the middle of the screen. I've replaced my STK's, 2 pico fuses on the G board, and tested each...


One of two things:
Either:
a) The STK chips you put in are no good (not uncommon)

or

If you weren't careful you may have removed a surface mount resistor accidently while desoldering the orignal STKs. I had a customer do that to me once and figured it out by comparing the board to the schematic for that board location.

Feb 19, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

I've replaced my STK's, 2 pico fuses on the G boards, and tested each convergence resistor along with the pico fuses on the D board--albeit they were still soldered in place. I desoldered two pico fuses...


I believe there is a power board on the left side when looking from the back. It will be vertical, right next to the board you worked on. Take that board out. I believe there are about four pico fuses on that board. One or two of them will be open. Replace the fuses and you should be good to go.

Feb 19, 2011 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Bought a convergence repair kit for my Samsung HCP-4752W DLP...ICs are replaced and I'm ready to refit the board back in the unit...the kit came with two 3 amp pico fuses...I can not see any similar...


Pico Fuses are either Green or Yellow ,they are in many different circuits near STKs,and Startup Power Supply boards.
Encompass Parts Distribution sells Parts and Boards for this Model.
Most of the time their is 2 resistors that need to be replaced 3.9ohms located in front of ICs.
First just replace the ICs ,you might not need to do anything else.

Jan 22, 2011 | Samsung HC-P4752W 47" Rear Projection...

3 Answers

The colors are distorted and there is triple images


Hi,
triple images show failure of convergence out ICs in TV, these are two big black ICs mounted with aluminum heat sink on D board, replace these ICs with same number STK392-560 and problem in your Sony KP-46WT510 will be solved.
Required ICs are available in Part Store.
Let me know any further question, if any.
Thanks.

Nov 15, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Pioneer sd-p5073-k am in the process of replaceing the converinage chips. and cant seem to find any pico fuses anywhere on the converange board or main board there are several regular fuses on the main...


Make sure to check all the fuses with an ohm meter. Pioneer also have terrible solder joints. I used to "sweep solder" the whole convergence board. Down on the power supply you should find the pico fuses. They are pretty small in compairison to the glass fuses.

Oct 14, 2009 | Projection Televisions

2 Answers

Sony kp 51ws510 convergence problem


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

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2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Dec 19, 2008 | Sony KP-51WS510 51" Rear Projection...

2 Answers

Sony kp-57ws510 convergenece prblem


You didnt replace the STK's? You must replace the convergance IC's or you will continue to have this problem.

Sep 18, 2008 | Sony KP-57WS510 57" Rear Projection HDTV

2 Answers

Hitachi 50ux58b



If you have Hitachi model number 50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B and you have the following symptoms you may want to grab a repair kit from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix these models. This is a fairly common problem with the above model numbers. It is typically caused by a blown capacitor and pico fuse. Again, you can get a kit from the above address. 
Here are the symptoms...

Primary Symptom: No Audio or Video. Power light will come on briefly then shut off.
Other Possible Symptoms : The green LEDs on the circuit board light up for a few seconds then turn off.

Hope this helps,

Jan 02, 2007 | Hitachi 50UX58B 50" Rear Projection...

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