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

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TV couldn't turn on. No picture

My TV couldn't turn on. The red light flashes six times.

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  • smodi65 Jun 30, 2008

    The TV clicks a few times when trying to turn on but won't turn on and blinks a red light 6 times. Repairman can't fix it.

  • kdawg51 Jul 03, 2008

    Same issue front red light blinks 6 times where can i order the parts

  • kdawg51 May 11, 2010

    of course silly by me the six blinks were for a KP-61H10 SONY PROJECTION TV Hopefully i have the same problem that you have If you happen to know if that would work also that would be much appreciated. thanks Kevin

  • lalov350 May 11, 2010

    tv want turn on has code 4

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Had the same problem on my samsung LN-T4066. TV repair shop said it was fried. Couldn't be fixed.

Before I trashed it I took it to the Geed Squad at Best Buy. They sent it to there repair branch in Dallas. They fixed the problem for $84.00 ! Plus shipping. Said they had to replace four "caps"

Don't know what the caps are, but I was pretty happy with the Geed Squad.

Posted on Jun 29, 2009

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Hello,
I repaired a KP53SH30 with 6-blinks error.
Sony says the error indicated loss of or short on the 5V regulator. The 5V regulator was bad, so I looked at the 6-volt regulator (it supplies 6-volts to the 5-volt regulator input.
I found a bad capacitor on the "G" board. The top was bulged. It was in the 6-volt power supply. I replaced the 6-volt regulator, the two caps on the input, two caps on the output. I also replaced the comparator chip. I don't know what part was bad, but these parts did the trick. I bought all of the parts at Mouser for about $10.00.
If you are a techno, I can send you the service manual if you need it.
I just noticed your code is 4-blinks.
Sony says it indicates +/-15 volt not supplied, and IC8003 is faulty. Hope this helps,
Dan

Posted on Jul 02, 2008

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  • Dan Smith
    Dan Smith Jul 02, 2008

    Sorry,

    I meant to say the 5-volt regulator was good!

    Dan

  • Dan Smith
    Dan Smith Jul 03, 2008

    Here's the stuff I ordered from Mouser.

    I ordered a variety of capacitors.

    526-NTE303 1g HEATSINK COMPOUND (for 6-volt regulator)

    647-UPS1V471MPD 35V 470uF 10X20

    140-HTRL16V1000-RC 16V 1000uF 105C

    661-EKME250ELL470ME1 25volts 47uF

    140-HTRL16V4700-RC 16V 4700uF 105C

    852-PQ1CG2032FZH 40V 3.5A, 70kH (6-volt regulator)

    526-NTE943M DIP-8 LOW PWR V-COMP

    Like I said, I don't know what part failed, but the parts were cheap.

    I'd look at the 5V regulator and surrounding caps as well (on main board).

    Good luck!

    I don't know how to upload the service manual. If someones knows how, I'll do it, or I'll be happy to share it via e-mail.

    -Dan







  • Dan Smith
    Dan Smith Jul 04, 2008

    Kevin,

    I believe the Sony error codes are a Sony standard.

    You could try searching Agoraquest, though, I think you may have to pay to access their stuff.

    I've repaired 6 free projection Tv's this year. The Sony has the best picture of all that I have fixed(Hitachi, Toshiba, RCA, Samsung).

    All of the sets I have fixed so far had one or two bad capacitors. They look like they are bulged on the top. If you see one, it's probably a good place to start.

    Best of luck,

    -Dan

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SOURCE: the power red light keeps flashing six times

The blink code means that something on the board is over current/over voltage. It could be an overload of the +5 line (A/B boards) or the +5 line is shorted.

The TV needs to be opened up and the boards checked. You may be lucky and only need a thermal fuse. Also check your bulb.


I hope this helps.

Cindy Wells

Posted on Apr 26, 2010

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Posted on Jan 02, 2017

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