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Sony KP-46WT520 Standby mode on. Can't get picture or sound. Just got it back from repair from doing the same thing, before.

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Re: Sony KP-46WT520 - Projection Televisions

It's blinking 9 times?

Posted on Dec 06, 2007

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Standby light flashes ten times,when you try to power on the unit you get sound but no picture for about fifteen seconds then it powers off

Your Television needs repair, 10 times blinks is a failure on high voltage section. If you have basic knowledge in electronics you can fix it, just simply replace the PWM generator IC MCZ3001d (near fly-back transformer.) or look for a electronics technician to fix it.

Nov 15, 2010 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Sony WEGA - model # KP-46WT520 no picture. TV turns off

Ok, please find above, a user manual above that, is a service manual, this will help you troubleshoot and repair this unit, if you so wish. So, it is nearly always my professional opinion that one should always get a "Quote" from the manufacturers recommended service center, Sony, in your case, please contact a local or head office and ask for a referral to an Authorised service center. I cannot stress how important that last point is. It is even worth the cost of shipping. You see an authorised service agent, will have trained staff, trained on their brand, also they have first hand access to parts, original parts. This will actually save you money and ensure you can actually get it back fixed. Of course asking for a "Quote" also gives on the option of repair or replace. Often my clients,do not go through with repair, unless it is moderate, but in some of the more costly jobs they see it, as do I, that a replacement, with a warranty, is a better option. As an aside here, one could then tear the TV down, and sell the Known Good bits. You'd be surprised who needs parts, i myself often must by from third party sources to effect a repair. So money could be recouped, somewhat,and help out someone else.

May 12, 2010 | Sony KP-46WT520 46" Rear Projection...

2 Answers

TV won't turn on, standby light just blinks 9times off and on

There is some problme in G Board (power supply board) in your Sony KP-46WT520 tv that is why standby light blinks 9 times.
If you are handy with electronics stuff repair and can test/ replace parts in circuit board then let me know to provide you more technical info to fix tv problem.

Feb 03, 2010 | Sony KP-46WT520 46" Rear Projection...

3 Answers

Sony kp-46wt520 rear projection tv: standby light flashes

Two things here.

1) This is a CRT based set so there is no "lamp" involved.
2) The standby light should be blinking a repeated count of blinks with a 2 second pause between counts. Please report the exact count here. This will indicate the circiut in which a problem was detected.

With the above information, we can provide you with a more detailed description of the problem as well as the likely solutions and cost.


Sep 17, 2009 | Sony KP-44PX3 44" Rear Projection...

1 Answer

Sony KP-46WT520 Standby Blinks 10 Times

High voltage in TV got problem and thats why TV gives 10 time blink error code.
Qualified TV tech will fix it as its bit complicated fix.

Apr 15, 2009 | Sony KP-46WT520 46" Rear Projection...

2 Answers

Flasing standby light

hi, this is a power supply board failure. it will have to be repaired or, replaced.

Feb 11, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Should i have this fixed or buy a new tv?


Dec 29, 2008 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Sony KP-46WT520

Replace Diode 6301 and D6116,6117

Nov 21, 2008 | Sony KP-46WT520 46" Rear Projection...

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