Question about Sony KP-51HW40 51" Rear Projection Television

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KP-51HW40 Intermittantly shuts it self off; may go off once or twice and then it works fine for days and then it will shut off again. Is plugged directly into the wall.

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Next time it shuts off notice if the led is blinking a certain amount of times to indicate an error code. If it doesnt blink my guess would be a solder problem around the flyback or the yoke plugs.

Posted on Mar 18, 2008

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I have a sony KP-51HW40 and when i turn it on about 5 minutes later it shuts it off.


If the TV works fine during the 5 minutes its on then your power supply in the tv is heating up and shutting off. If you have some mechanical knowledge you can buy another power supply from Ebay for around 35.00 and replace it. will require some soldering

Jan 23, 2011 | Sony KP-51HW40 51" Rear Projection...

1 Answer

My sony KP-51HW40 TV shuts off


the eight blinks indicates you have a high voltage error. you will need to replace the d board. the part number is A-1348-038-A.

Oct 30, 2007 | Sony KP-51HW40 51" Rear Projection...

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My KP-51HW40 clicks off after running for a period. The red power light blinks when it goes off but screen stays dark. When TV is shut off for a while it restarts and runs fine. The "On"...


Hi,
KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down.
This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color.
Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair.
Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv.
Hope these info will help you.
Let me know if you have additional questions.
Thanks.

Nov 05, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

I have a sony kp-51hw40 that I just received


This problems also cause by the 2 STK convergence ICS and some or all it resistor are dead.Require changing the 2 STK convergence ICS and some or all it resistors will solved this fading out and shuting down.

Jul 11, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Screen turned orange, heard a sizzle sound tv


A capacitor has burned out. It may be on the motherboard or power supply.

Jul 09, 2009 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Blinks 6 times kp-51hw40


Look here and see if it sounds like the solution could help you.  http://www.fixya.com/support/t129700-green_flashes_tv_turns_off
Good Luck!

Feb 23, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

5 flashing light code,unplug CR board,now 8 flashing light code


If you put the "CR" board back on, the error code will once again be 5 blinks. Your problem is likely the TV's IK blanking circuit. The Kine driver ICs on the CRT sockets boards CR, CB, and CG need replacement along with a few components in the 200 volt supply to the circuit.

Feb 12, 2009 | Sony KP-51HW40 51" Rear Projection...

4 Answers

Green flashes then tv turns off


or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.

Aug 23, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

KP-51HW40 - Auto shut down problem


I had the same problem. i was told by one of these so-called experts @ fixya that my flyback transformer needed to be replaced (the 8 blinks on the standby was the indicator). but i recently replaced it and im having the same problem. sorry. no advice. good luck.

Jun 18, 2008 | Sony KP-51HW40 51" Rear Projection...

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