Question about Sony Grand WEGA KDP-51WS550 51" Rear Projection HDTV

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SONY KDP51WS550 NEEDS ITS D-BOARD REPAIRED OR REPLACED

I WOULD ATEMPT TO FIX HOW DO YOU IDENTIFY THE D- BOARD

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Hi,
Below is an exploded view shows all boards location in KDF-51WS550
Hope this will help you to identify required D board.

SONY KDP51WS550 NEEDS ITS D-BOARD REPAIRED OR REPL - 3d98ec0.jpg

Posted on Mar 04, 2009

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I have a KDP51ws550 tv that has convergence problems. Flash focus would not work and neither would manual convergence. I replaced the both convergence ICs and checked the pico fuses, turned the unit back...


Check your soldering. Check the vertical power board on the far left when looking from the back. It has fuses on it as well.

Depending on quality of STK chips, they could have been bad or failed right away. Best things is to look at the schematic, verify what colors you can move and see which STK chip is not functioning.

If both chips are not function after replacement, likely a fuse. Be sure to verify the resistors next to the STK chips.

Mar 06, 2011 | Sony Grand WEGA KDP-51WS550 51" Rear...

1 Answer

TV turns itself off. Thinking it may be the sleep timer, I tried to disable the timer, but it will not stay on long enough for me to do that.


The power control board needs to be replaced or repaired, this is very common and is usually due to a loose soldier joint(cold soldier)

Nov 29, 2010 | Sony KP-57WS500 57" Rear Projection...

1 Answer

MY TV WONT TURN ON


remove the plug from the wall for a period of a few days to allow some of the stored energy to dissipate from the power supply. Plug in and retest the unit to see if it comes on. Also try the remote and the front panel switch to eliminate a remote or remote sensor problem. If the unit does not come back on a fuse could have gone out or the unit could have another type of failure in the power supply circuit. if the unit has another failure you will need to find a replacement power board or have the unit looked at by a technician to narrow the problem down better. Hope that helps.

May 08, 2010 | Sony KP-51WS500 51" Rear Projection...

1 Answer

My service tech said my d-board can't be replaced/repaired


He was wrong, Sony doesnt have them any longer, But you can get remanufactured ones that have the same warranty as the new ones used to. Check with www.tvrepairworld.com They should be able to get one.

Jan 05, 2010 | Sony Grand WEGA KDP-51WS550 51" Rear...

2 Answers

My projection tv countinues to blink off and on i m about to thro it in the yard and never buy another sony


The lamp indicator light blinks red when the lamp is busted and needs replacement. Let me know if it is the case.
The status light blinks red when there's a fault detected by the protection circuit and the number of blinks indicates what and where the fault is. Let me know the number of blinks and the exact model of your TV.

Dec 06, 2009 | Sony KP-65XBR10W 65" Rear Projection...

1 Answer

I have a Sony KP-61HS10 that will not turn on.....


hello read my comment on shadie333 i just posted the problem i had, my tv is a kdp65ws550 which is also the same as the kdp57ws550 and kdp51ws550 mine was doing the same thing... ours is fixed... please read it

Dec 16, 2008 | Sony KP-61HS10 61" Rear Projection...

2 Answers

Kp-57ws500 sony projection tv convergence problem


Sony convergence problems
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/

http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/
look for the board that has heavy heat sinks on them the ic will be stk392-XXX
no experience in soldering i would send the board into ptscorp.com and have them repair it.

Jan 22, 2008 | Sony KP-41T65 41" Rear Projection...

2 Answers

Sony tv


The problem you have is with the G1 board. The 17 volts is not supplied. Do you have a multimeter and know how to trouble shott following a service manual schematic? if not call a pro to assist you as this could be the G1 board, but to be sure, you will need to troubleshoot and check some voltages and follow circuit flow using a schematic diagram.If you can then let me know..

Oct 19, 2007 | Sony Grand WEGA KDP-51WS550 51" Rear...

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