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Sony KP-46WT510 46 in. Rear Projection HDTV Television
Problem for Sony KP-46WT510 46 in. Rear Projection HDTV Television

Sony KP-46WT510 wont turn on




By ctheodosis on Sep 10, 2007

" "
Hi my Sony Sony KP-46WT510 tv will not turn on. When you push the button the light blinks 8 times and the resets and blinks 8 times and so on but never turns on. Can anyone give me an idea what may be wrong with it and what to expect from the repair guy.

Thanks for any help
Comments:

Dec 04, 2007

- Hello I bought the part on ebay for $40 and it blinks for times but seems to work I have not set it up yet as my main tv

Same Problem

Feb 27, 2009

-   I was watching tv when my tv Sony KP-46WT510 went dead and was blinking 8 times. I found this site and ordered the part #8-598-955-32 the high voltage block it was about $150. Canadian which was more than quoted here but I'm happy to say my TV is working now. thanks too all for the help -   skit71

Feb 15, 2009

-   I bought the HVB on e-bay and fixed my t.v. in 15 minutes. Thank you all for your help. The link http://flagrantdisregard.com/replacing-sony-hvb/
really helped out.

Thank you so much. -   cmandelux

Dec 18, 2007

-   i think i have the same problem. got home from work on thursday, turned on the tv. it was making sound like a bug zapper and every time it made that sound the screen would flicker. turned tv off for about 5 mins and the turned back on. after about 2 mins screen went out but audio stayed on. maybe about 5 seconds then went to standby. standby light blinks 8 times.-   Guest

Dec 16, 2007

-   i think i have the same problem. got home from work on thursday, turned on the tv. it was making sound like a bug zapper and every time it made that sound the screen would flicker. turned tv off for about 5 mins and the turned back on. after about 2 mins screen went out but audio stayed on. maybe about 5 seconds then went to standby. standby light blinks 8 times.-   job300

Dec 14, 2007

-   I have the same problem with my Sony KP-46WT510. When I turn on the TV I get audio (without a picture) for a few seconds and then the TV resets and then the Standby/Timer light blinks 8 times. I went ahead and ordered the High Voltage Block part# 8-598-955-32 per TVtechmaniac's post, but wanted to know if anyone could provide some installation instructions beyond what is provided in the service manual. This is my first time trying to fix a TV.

Another thing I purchased the service manual and it stated that when the Standby/Timer light blinks 8 times it is an indication that the T8005 (Transformer) is faulty. How do I know if I need a Voltage Block or a Transformer?
-   pbm107

Best Solution

posted on Apr 27, 2008
Very Helpful)

gened

Rank: Apprentice 
Rating: 100%, 1 votes
Can you tell from looking at the HVB that its bad?
Burn marks on them ect...
Mine looks like nothing is wrong with it.
Comments:

Apr 27, 2008

- Can the HVB be bad and not show any sign of a problem
Mine looks (No burn or black marks on it) fine but I have all the signs that its bad

May 10, 2008

- Replaced the Dang HVB and TV still does not work
It come on for about 3 seconds and then clicks off
Still blinking 8 times

whats next?????????????????????

Thanks Gene
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Solution #2

posted on Dec 18, 2007
Very Helpful)

Guest

Rank: Apprentice 
Rating: 0%, 0 votes
The High Voltage Block - part# 8-598-955-32 was an easy fix. It will take you about 30 minutes. You'll need a phillips screwdriver and possibly a small pair of pliers to remove a connecter (at least I did). While I did not take pics or write down step by step, here are some general instructions. Make sure that the tv is unplugged. Unscrew the panel. The screws are all the same size so don't worry about matching holes. Disconnect the wires to where they are connect. The thicker red ones that enter the HVB themselves are done in a "twist and pull" method. You will need to use this same method when hooking up the new one. There is also a small black cylinder piece of plastic around one of the wires. Make sure that you remove it from the old HVB and place it on the new one. You should be done with the grunt work. Place the cover back on. Check out this site on how to clear the diagnostic codes or else the light may keep blinking... http://www.iwaynet.net/~nesda/SonyBlink.html

Solution #3

posted on Dec 04, 2007
Very Helpful)

Terryfic

Rank: Guru  Sony Expert
Rating: 87%, 1694 votes
Not always the HV block...more often one of the CRT's are
shorted = can be proven be hooking up one at a time, one HV
lead and matching CRT socket module.................T.
Comments:

Dec 04, 2007

- PS Also, HV lead can be un-plugged for test................T.

Dec 05, 2007

- Right on TVtechmaniac ! Just fixed a Sony today = 8 blinks =
HV block.....................................T.
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Solution #4

posted on Sep 10, 2007
Very Helpful)

TVtechmaniac

Rank: Guru 
Rating: 93%, 402 votes
8 blinks means that the High Voltage Block is shorted - part# 8-598-955-32 (about $80)
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Solution #5

posted on Apr 24, 2008
Not Rated)

Guest

Rank: Apprentice 
Rating: 0%, 0 votes
I have removed the HVB and am about to order another but should it have any burn marks mine looks like nothing is wrong with it

Solution #6

posted on Apr 19, 2008
Not Rated)

Guest

Rank: Apprentice 
Rating: 0%, 0 votes
Complete step-by-step replacement instructions for the high voltage block: http://flagrantdisregard.com/replacing-sony-hvb/

Solution #7

posted on Feb 08, 2008
Not Rated)

Guest

Rank: Apprentice 
Rating: 0%, 0 votes
Right on with the high voltage block. Ordered it from Sony, changed it today. Works perfect. Thanks to everyone for the good info!

Solution #8

posted on Jan 03, 2008
Not Rated)

proaudio

Rank: Apprentice 
Rating: 0%, 0 votes
I had the same problem and fixed my tv Sony KP-46WT510 today and it was the hv block!
Thank you very much!! Good job guys!!
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7 Other Users Have The Same Problem - Continued

Comment by gened, posted on Nov 22, 2007

I have the same problem and would like a cheap way to get it fixed
im in San Antonio Tx and a guy said that its $200 just to look at it if I bring it to him and now I know its an $80 part
Is there a cheaper way
Damn $300 for a little part and I ahve to drag the TV to the guy

Thanks Gene

Comment by Guest, posted on Nov 14, 2007

I am pretty sure I have the same problem. Looks like getting the part is easy. How easy is it to install?

Thanks for any help!
Bryan
Michigan

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