Question about Panasonic PV-DM2794 27 in. TV/VCR/DVD Combo

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No picture This morning I put the set on and all there is is a horiz. line. I can listen to the set, just no picture

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U will see vertical section 1, see voltage vertical i c 2,see loose contact ic leg and check ic vertical may be that s loose contact i c L A seriese vertical ic ok bay

Posted on Jun 03, 2008

If there is only one horizontal line you have a problem with vertical deflection section

Posted on May 29, 2008

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No sound

your audio ic is probly done..take the audio output from the back of the tv..if you have one..and put it into an amplifier to hear sound..

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Akai model ws-p28ntf-sf-d-gb (s) tv/dvd combo

Disconnect it from power cable 30 mins, see if this reset works, for the rest sounds like you have a problem with the power unit.

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Horiz line ic 402 blown

Look for the generic number printed on the face of the chip---tda or la etc.

With that try Suburban Electronics---internet catalog and they also have a 800 number.

Oct 19, 2012 | Toshiba MW27F51 27 in. TV/VCR/DVD Combo

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Tv wont turn on and has a high pitched sound while plugged in

your flyback transformer and driver circuit are operating, but the horiz. output transistor that needs to be in circuit w/horiz output transformer is open and can't amplify the signal needed for the flyback xfmr

Oct 09, 2009 | Televison & Video

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While watching TV this morning the set quit working and I cannot turn it back on. Is it dead?

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Oct 01, 2009 | Televison & Video

1 Answer

Picture Settings

They are user selectable and you will set them to your own preferences. If the set won't adjust no matter what, a shop visit will be required, or, maybe get the kids so put it back for you...accordianman

Jan 19, 2008 | RCA 20F510TD 20 in. TV/DVD Combo

1 Answer

Wiring back

I'll assume you replaced the Misc power board in the back on the bottom mounted horiz that has the resistors that always burn up
The connectors are all different except the power coming in...the one you can mix up can be designated by the fact they are 3 pin..
Green blue brown goes to the back right corner to the power input coming from behind the devider on the right.
The rest will line up
Good luck

Dec 14, 2007 | Samsung HC-P4363W 43 in. TV/DVD Combo

1 Answer

All of a sudden only a line down the center

Hi, it is possible that you have a cold solder or a loose connection on the printed circuit board or a defective component. If it is vertical -- line, then it could also possibly be the vertical IC, a defective capacitor (or probably even just a resistor); If it is horizontal, then it could possibly be a high voltage capacitor, any part of the horz deflection circuitry. Both cases involve opening the unit, determining the defective component, desoldering, replacing defective component, soldering. Unless you are very comfortable working with soldering iron, multi testers and know how to check comp[onent/parts, yopu are probably better off asking a qualified service personnel to perform the repairs for you. One other thing, if banging on the set restore it to operation (even if for just a while), then is definitely a cold solder. Hopes this be of some help to you. Good luck.

Apr 25, 2007 | Apex Digital GT2015DV 20 in. TV/DVD Combo

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Bright screen with retrace line. No manual.

You can get that manual at for about $25.00 US. Good Luck.

Jul 14, 2006 | Samsung CXJ1964 19 in. TV/VCR Combo

2 Answers

No screen,no high voltage

so what are you asking??? we need more info as there is no magic wand to swip and fix your problem. Im sorry i dont mean to sound harsh but what is it you are asking??If its what could be wrong with thew set if I told you would you understand the wordings or the electonic terms?? On this set its probably the horizontal output transistor is shorted there for the flyback is probably the reaso0n for the transistor falure . BUT the horiz. driver xformer could as well with cold solder joints but on projection tv's the coil burns open. YTour gonna need a schematic diagram to fix this Im sure and knowing how to read this schematic will help alot in trying to assist you in the troubleshooting of this set. Get a schematic and post it and i will certainly assist you in this repair !! Good Luck

May 09, 2006 | Panasonic PV-DM2792 Triple Play 27 in....

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