Question about Projection Televisions

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Powe problem When first powered up it clicks on and off for a few minutes, then it starts up. Video and audio is OK after it starts up.

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  • Johnny Canelones Feb 22, 2008

    The TV is a Samsung HLS5679W

  • Johnny Canelones Mar 21, 2008

    Samsung support helped me out. Two caps needed to be repalced in the main power supply. CM860 and CS860. Replace with higher voltage caps. 25 V or 35V (1500mf)

  • gerhartsteph Jan 31, 2009

    our tv cycles on and off for about 5 mins before it comes on

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What is the make and model of the set. Let us know and will be glad to assit you

Posted on Feb 22, 2008

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No picture


OK, the set is on if get the menu display and you have sound--either a video circuit problem or a glitch.

Do you get picture via the rear audio and video input jacks? this will rule some things out.

Also if not tried disconnect set, any box used, or a receiver from power for several minutes and power back (possible glitch).

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Sony KDF-60XS 955 Video & audio goes out, comes back on


If the lamp fails to fire yes you will loose audio as well.

Aug 31, 2009 | Sony Grand WEGA KDF-60XS955 60" Rear...

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Picture Shrinks and Expands


If you have any of the following problems you may want to check the site www.TvRepairKits.com for a repair kit. Most of the issue below are fairly common with the older Magnavox projection sets. 
Symptom: Screen shrinks and expands - may or may not correct itself after the TV warms up. After a few days, weeks, or months of having the shrinking/expanding problem you may loose all audio/video but the power light will remain lit!

Symptom: No Audio or Video but power light is on

Symptom: Audio works but no Video. Power light still work

Symptom: No Video. Audio is intermittent. Power light still works

Oct 14, 2008 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

I own a goodmans gtv26wlcd and have recently had the problem with the screen going blank, the sound remains but the screen switches off this happens just a few minutes after switching the TV on.


Is this a set sold in the USA? I have never heard of this brand. It sounds as if the back light is shutting off maybe the powe invertors feeding it are breaking down. Or your signal board is going on you. I hope you have aschematic and access to Goodmans parts?

Aug 22, 2008 | Projection Televisions

1 Answer

Samsung rear projection tv st47w3p picture dims after few minutes


ok this is how u fix that problem it is a heat issue what u need is a can of 50 below freez u can use this on the circuit to find witch part is breaking down i dont think u will have a problem in the power supply it sounds like something in the video circuit that is causeing the problem. i hope this hp marty

Jul 25, 2008 | Panasonic PT-51HX41 51" Rear Projection...

1 Answer

Sony Grand Wega KF50WE610 Video/Audio disappears every 1-2mins


Hello apharcha,
99.99% its the lamp. You may also have a faulty door, but thats kinda just 2% possibility. Change the lamp...its due anyway.
List Price $200.00
Part Number A-1606-034-B Description LAMP BLOCK XL2100U
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Best regards
circuitcity

Jun 08, 2008 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

Tv shuts off sporadically, and now won't recieve any video signal


Check the solder on the vertical output IC this is a common problem and can cause loss of video while sound remains and often will shut the set down with a vertical deflection error

May 07, 2008 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

Tv Audio & Video go off and by using remote channels or sound etc...back on


sounds like a solder problem where the tuner attaches to the chassis. Or possibly a weak capacitor in the video circuit. If youd like a service manual for the set let me know . I know where to send you to get it for 10.99. Hope this helps

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