Question about Sony KP-46WT510 46" Rear Projection HDTV

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Wont startup Hi my Sony Sony KP-46WT510 tv will not turn on. When you push the button the light blinks 8 times. I opened up for diagnosis but could not find any defective part like horizantal output transister is fine and flyback windings has no short circuit. I could here the HV buzz at startup for couple of seconds and then it goes to standby with 8 blinkes. Thanks for any help

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Youre flyback is defective.Its an easy repair your flyback is 145328551 which is no longer available but the substitute flyback is thats available at the following link and they provide free tech support with instant messageing so you can replace the flyback yourself. You need flyback 145328511 you can get it at this link with free shipping also. I use them all the time they are a good company with qiuality parts and free tech support.
http://servicemanuals.vstore.ca/

Posted on Jun 27, 2008

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What's your problem?Hi, I have a Sony projection TV KP-46WT510 theres no picture or sound, but it still turns on and I can see the the on screen menu. When I turn it on the led blinks four times


You can Google and find the service manual which will explain what the 4 blinks means.

If you have the Sony remote with the set off:

Display, 5, Volume down, Power

If the set has it you will see a box appear on screen with a list of items--all should have a zero to the right of each---one with a number indicates the number of times that error has been detected.

Let me know if you have questions or cannot find what the four means and I will research it.

Mar 28, 2012 | Sony KP-46WT510 46" Rear Projection HDTV

2 Answers

CAN ANYONE HELP i'm having a problem keeping the timer from going off and shutting the whole tv off. My kp-46wt510 sony widescreen from 2003 is doing the same thing, picture is bowed in the middle and...


Hi,

Most likely you have turned on the sleep function. 2nd button from the left on the top of the remote hand unit. Keep pressing until "sleep off" appears on-screen.

Or

Timer in user's menu is activated to turn off TV a specific time. Go to timer menu and adjust timer, then push cancel on the remote, this should reset timer to zero. Same with current time, adjust and select cancel, this should reset current time.

If you do not have the original remote, you are in trouble. Service tech will have remote.

easyab

Feb 23, 2011 | Sony KP-46WT510 46" Rear Projection HDTV

2 Answers

Try to turn on, it turns off right away and the stand by light flashes 6 times


Hi


Thanks for using FixYa. Standby/Timer light blinking 6 Times means no Horizontal (H STOP), no raster, and so the set goes to the blinking self-diagnosis function immediately. You’ll need to open the back off the TV and check C515 & 516 and the jungle IC, IC206. Also check +5 line is overloaded (A, B boards), +5 line is shorted (A, B boards). Please do rate the solution if the issue is resolved or post a comment for further assistance.



Thanks
Rylee

Jun 03, 2010 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

When i turn the TV on, a red light on the front of the set just flashes (standby light)


Let me know model and brand of TV if its other then Sony KP-46WT510 and also count red standby light flashes as there would be long pause between blinks.
These info will help me to find out possible solution.

Jul 27, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

6 bliks on sony kp-46wt510


KP46WT510 Shutdown 6 Blinks. 6 Blinks = Low B+ OCP/OVP
SOLUTION: Replaced Flyback transformer. It had no rings on the ringer test.
HQ
Comments: Any load on the B+ line can cause 6 Blinks.
Example: If the 200v line is loaded down will cause a drop in B+ due to bright picture current demand.

Click Here! to download the Sony Kp-46wt510 full service manual.

Nov 11, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

7 blinks followed by 8 blinks


The buzzing sound you hear is typically the FBT shorting out when you turn the TV on. If you open the back panel and watch the FBT as you try to turn on the TV you can see it shorting out. It will be obvious.

Jul 20, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Turns on, blinks 8 times, turns off


EIGHT Blinks---Problem with the audio (AUDIO), unit goes to standby and
blinks the self-diagnosis code. Check IC406 audio amp, PS401 and 402.

Feb 11, 2008 | Sony KP-53V90 53" Rear Projection...

1 Answer

Sont kp-46wt510 blinks 4 times


IC1509 8-759-593-33 IC LA78045 35.98
Q1505 8-729-423-33 TRANSISTOR 2SC3311A-QRSTA
Replacement part
8-729-119-79 TRANSISTOR 2SC2785-FEK-HFE 1.02

these ic locations are different than yours but same part number.
is there a 2sc3311 near by LA78045?

Jan 10, 2008 | Sony Grand WEGA KDP-51WS655 51" Rear...

3 Answers

Sont kp-46wt510 blinks 4 times


Four blinks is a "vertical stop error" I have a pdf file of the service manual and troubleshooting guide. If you want it,let me know where to send it.

Sep 27, 2007 | Sony KP-46WT510 46" Rear Projection HDTV

8 Answers

Sony KP-46WT510 wont turn on


8 blinks means that the High Voltage Block is shorted - part# 8-598-955-32 (about $80)

Sep 10, 2007 | Sony KP-46WT510 46" Rear Projection HDTV

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