Question about Sony KP-51WS500 51" Rear Projection Television

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MY TV WONT TURN ON

MY SONY KDP51WS550 TV WONT TURN ON

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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.

Posted on May 09, 2010

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Posted on Jan 02, 2017

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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.

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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.

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1 Answer

SONY KDP51WS550 NEEDS ITS D-BOARD REPAIRED OR REPLACED


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

3d98ec0.jpg

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1 Answer

Sony wega tv wont turn on


sony kv-36hs500 no enciende y parpadea el stand by

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1 Answer

Sony KDP51WS550-LED light blinks 10 times


This is usually a problem on the high voltage board. When you first turn it on, the main board does it's P.O.S.T., then powers the HV board. You'll be hard pressed to find a replacement for it. You MIGHT find someone that can rebuild it, but for the money? Time for an open box special at you local electronics place.

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1 Answer

SONY-LED BLINKS 10 TIMES


OK, 10 times is HV protection (High Voltage) and problem can be in D board and Q8013, Q8014 can be shorted along with R8051 open.
also IC8005 can be damaged.
All above parts on D board.
I would recommend to get related service manual for proper diagnose of problem in TV.
Good luck.

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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

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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..

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