Question about Sony KP-57WS510 57" Rear Projection HDTV

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Flashing light hi i change the convergence chip the resistor burn and pico fuse but stand by light flash 5 time stop and keep flashing even with the tv off. its sony 57 model# kp57ws510 rear projection hdtv

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  • Sony Master
  • 8,617 Answers

Video output IC on either the CR, CG or CB pcb boards is most likely the problem or the A board is defective. I would try the video output on the CR, CG and CB boards first.

Posted on Aug 07, 2008

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Toshiba 51hc85 will not show picture red power light flashes where is reset button and or fuses What else could it be


This set does not have a reset button. The flashing light means shutdown and the most common cause is a short in the Convergence circuit.

Way to prove or disprove this is someone has to get at and unsolder both chips used--usually two stk-392-110 or similar--18 pins each.

If set comes on then one chip is bad but both must be replaced.

There are resistors around the chips that fail and that triggers the shutdown. Also most of these have pico fuses that are not glass and are tied to different areas of the set--one of them goes and shutdown is the result--they are green or orange and look like a resistor but have the amperage marked on the board next to them---two of them protect the convergence circuit and are usually 3 to 5 amp---can be tested with set unpowered just like any fuse--no reading across and bad.

set may have as many as 7 of these all in or near the power supply.

Nov 06, 2012 | Televison & Video

1 Answer

Replaced Convergence chips, same problem


This set has pico fuses on convergence board and also on G power board, there should be 2 5 amp pico fuses on power board.

If convergence is bad exactly as before double check the power board fuses and check to see if voltage (it is marked!) is there with power board disconnected from chassis..

Steve
3_1_2012_5_47_54_pm.jpg

Mar 01, 2012 | Sony KP-61HS30 TV

1 Answer

Panasonic projection tv pt-53wx52c no picture red light flashing 3 times have sound


Hi,
3 times red light flashing is an error code that indicates problem in convergence output section, please check and replace convergence output chips and pico fuse nearby. Chips replacement in circuit board requires soldering work and local tv repair shop will help you if you are not familiar with soldering.
Hope this will help.
Thanks.

Mar 28, 2011 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Ghost on the screen, blue in color


Did you check the six 3.15 amp pico fuses on the D board in line with the resistors and the two 5 amp picos on the G board? Usually one or more of the Picos will blow especially on the G board

Nov 24, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

It will turn on sometimes and then it wont...The stand by light just flashes


First CK pico fuses around the convergence ICs big black ICs they look like resistors will be yellow or green also CK small blue capacitor behind hori out put transistor 2kv i have seen them have small burn hole on them, You may need to replace both of your STK ICs.STK394-570? Look on them they will have P/N on them. How many times does it flash before turning off? you can find out By typing in Understanding Sony Blinking Codes.

Aug 21, 2009 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Picture looked 3d now tv wont come on. red lite flashes 6 times.


Your TV most likely a convergence 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.
  • TV shuts down
  • TV Chirps
Here are some photos of convergence problems.

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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.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Jun 03, 2009 | Sony KP-51WS510 51" Rear Projection...

2 Answers

I am replacing the ic's stk-392-560 's and want to just replace the pico fuses and the resistors regardless. Can anyone tell me the values of them or part numbers. it is for a sony kp-51ws500. thanks


If you are doing the convergence amps, the pico fuses are about the ONLY thing that may fail, and they are located by the heat sinks...normally found on the FIN-SIDE of the sinks.

HTH.

Don't worry about the resistors, unless you find them burned...it's rare they get damaged.

Mar 26, 2009 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Unable to resolve concave issues


I am also having the same problem. I tried to replace ICs but no luck. I am also looking for service manual in case if some one can give it to me.

Thanks,
Sanjay

Jun 24, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

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