Question about Panasonic PT-47WX49 47" Rear Projection Television

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Shutdown I didnt see your answer on how to fix the shutting down problem. My tv is doing the same thing. I turn it on and it turns the screen black but the power light blinks 3x every couple of seconds.

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Thtas the error code for the convergence ICs needing to be replaced. You will need to replace both STK392-110 convergence Ics. You can get replacements at the following link with free instalation instructions with pictures.

Posted on Sep 01, 2008

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1 Answer

Monitor goes off and on by itself

Hello bjaykaye,

The problems you are having are an indication of a Power Supply problem. The issue could be in the switching power supply or the High Voltage Power Supply. The shutdown circuit is activating which is allowing the TV to play until it detects an over-current event. When an over-current event happens the shutdown circuit will turn the TV off. I would suggest that you check the Horizontal Output Transistor, the HV Transformer, the Horizontal damper diode, and the capacitors that are in parallel to the damper diode. The important thing is to find the component that is causing the problem. If you do not have a background in electronics I would suggest that you get a qualified electronics technician to look at the set.

Thank you,

Oct 29, 2007 | InFocus ScreenPlay 61" Rear Projection...

1 Answer

D52W19 about 4yrs old. Recently after being on a short while, the screen will go erratic or black and then the tv will shut off. I can not get it to turn back on until about ten minutes. I removed the...

depending on what type of erratic video it is before shutdown it can be either the Small signal board or the Deflection board are what usually cause those type symptoms. You can get replacement parts from

Mar 28, 2010 | RCA D52W19 52" Rear Projection Television

1 Answer

Tv will not stay on

In these older CRT based TV's the first thing to usually go out is the power supply. I had the same thing happen to me were the TV would turn on then turn off a few minutes later until it did not turn on anymore.
Unfortunately if you do not have a extended warranty then it is usually expensive to fix and you may be better off with a new TV. When I got my TV fixed under the extended warranty I was told it was a $500 service and at that time the TV was not worth that much.

I wish there was a simple answer but alas this is probably the problem.

Jan 12, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Sony big screen tv model# kp-53v80

It can be just an adjustment of your screen control. There is a "sweet spot" on the control where it allows the picture to come through. This is a common problem with sets that are getting old. If there is a problem with the high voltage from the color tubes then it will shut down the video until the problem is gone and it is safe again to show the picture. This is known as going into a shutdown procedure to protect the set. A technician will be needed to fix your problem since it will require proper troubleshooting and knowledge of high voltage system and safety procedures.

Sep 22, 2008 | Sony KP-53V80 53" Rear Projection...

2 Answers

Tv turns self off when turned on

Does it blink a certain amount of blinks pause a second or just blink constantly with no pauses? Let me know it will blink a code if its going into protected shutdown. And it will blink constantly for another reason.

Jan 22, 2008 | Sony KP-53HS30 53" Rear Projection...

2 Answers


The rca ITC 222 chassis is a shutdown prone set. What i mean by that is that any problem with any cuircit the processor shut the thing down. thers about 20 or 25 different things that can lead to a shutdown. THe first thing they tell you to do is to shut the thing down and uplug for about 30 min. i personally never seen this work. but it is the first thing to try. Next thing to know is that if the light on front panel comes on its not the main fuse. the processor is recieaving power enough to generate error codes. technicians have a special computer interface to read these codes from the processor. which leads me to finale thing these sets is what i like to call value sets there about 800 new if the set has crt prob you cn expect about 300 to 500 to fix so most time not cost effective to fix

Jan 07, 2008 | RCA HD65W140 65" Rear Projection...

1 Answer

Tv loses power

the processor on this et will shut this set down for number of reasons. a technician should be albel to read error codes form the processor to help deterine whatt is cause the shutdown

Nov 02, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Toshiba TV

If you have audio and no video then something is shutting you High Voltage down. It could be many things. Convergence amps(color problem before shutdown) Vertical problems. Bad caps on 200V line.

Aug 28, 2007 | Toshiba 55H70 55" Rear Projection...

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