Question about Panasonic CT-36HL43 36" TV

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Vertical adjustment My TV cuts off part of the picture at the bottom, making almost impossible to read scrolling news items.

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  • Panasonic Master
  • 467 Answers

Is the very bottom of the picture compressed or folding over? if so, it's a deflection/coupling issue to the vertical stage of the yoke circuit, due to leaky/shorted diodes and leaky electrolytic capacitors. Check the PCB for cracks, dry solder joints, and the IC itself; replace if necessary.

Check EVERYTHING in the vertical output stage.

Posted on Feb 21, 2011

  • Demonic-2011
    Demonic-2011 Feb 21, 2011

    It's always a good idea to thoroughly inspect and/or replace the vertical IC, as these can develop weird fault symptoms. The jungle IC should not be the problem here, but check it also to be sure. Only consider replacing the whole TV if the service centre tells you (free quote - insist on this first if you find nothing unusual) that it will be expensive, and not economical to repair.

×

Buy a new telly

Posted on Oct 09, 2008

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The scrolling banners on the top and bottom of my zenith monitor are cut off. according to my manual, it is 1 of 6 models: SR2573, SR2783, SR2739, SR2773, SR3238, SR3273.


Either an adjustment of the vertical height or Lin or a circuit problem in the vertical circuit.

Some sets have physical controls inside the set on the board or in a hidden menu via the remote.

Nov 07, 2012 | Zenith Televison & Video

1 Answer

Horizonal and vertical off.


My picture is too big for my screen also, I have a 27 inch screen and I can't see the scrolling tickers on the bottom and the baseball score readout on the top. When I turn the tv on, the heads are huge on the top and that finally comes into proportion, but it goes too far. I can't find a horozontal or vertical control in the manual or on the tv menu. What can I do?

Apr 29, 2009 | Curtis-Mathis CM27101S TV

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Picture adjustment on zenith SM3247MK8


Probablemente tengas problemas en el circuito vertical o los capacitores adyacentes hay que checarlos.

Mar 20, 2008 | Televison & Video

1 Answer

Vertical size adjustment on my GE 31GT660 set


I had the same problem. I found the solution in this link.
http://www.techlore.com/forum/thread/13480/?page=1
The only thing that wasn't clear was how to get into the service menu. With the TV on, press and hold the MENU button on the front panel of the TV and press POWER then press VOL+.


Dec 01, 2007 | GE 31GT660 TV

2 Answers

JVC AV-28GT1SJF


you have to get into the tv to do the adjustment. take the cover off and then look for the CRT tube and follow the yoke cables that will lead you to the printed circuit. you should see some small tiny knobs there. something like vertical phase or horizantl Phase..you need the verital to adjust the vertical size of the pic..good luck

Feb 24, 2007 | JVC AV-28-BD-5-Bl 28" TV

1 Answer

Bottom of picture is cut off


Usually when the vertical starts shrinking slowly, it is due to capicators getting out of tolerance in the vertical output section of the chassis. If it can be adjusted out through a service menu, you'll probably need a tech with the right equipment to perform it.

Jan 01, 2007 | RCA F27440 27" TV

2 Answers

Can't see scrolling text or sport scores


Here's how to fix it - I have a PF 2425, and it's driven me absolutely up the wall. Videogames are useless because you can't even see the crucial gauges etc. Likewise, subtitles and credits in films are cut off. it's ridiculous, especially considering how easy it is to fix (if you know how).

1. Decrease volume to 0.
2. Press MUTE so the tv says "MUTE" onscreen.
3. Hold MUTE on the REMOTE and MENU on the TV simultaneously until the service menu appears.

It's important not to screw around here too much. Use your arrows on the remote to navigate, the first option likely will say "MENU.0" or something like that. Use that to flip through the pages. What you're looking for are values like V Zoom, V Scroll, etc. Same goes with the H values. Toy with these a little and you'll be able to get the tv scanning perfectly.

I can confirm this worked for me! So good luck.

Dec 08, 2006 | Apex Digital PF2725 27" TV

1 Answer

Sansui - BOTTOM OF SCREEN CUT OFF


Your problem is not a vertical alighnment or size adjustment. No, Im sorry to say its the old vertical output IC and /or the small capacitors around the ic and in the vertical circuit. If you dont have the right tools, like a soldering iron a multimeter know how to read a schematic diagram, then you should seek out a repair person to assist you in this repair.

Sep 12, 2006 | SansuiS2001 20" TV

6 Answers

Cannot make horizontal and vertical size and position adjustments


OK...I paid a whole $50 for an Apex AT2702 that had [undisclosed] vertical zoom, horizontal shift, vertical shift and width issues. Before I raised hell for the person who sold it to me, I decided to first exhaust all alternative solutions.

I found that in order to tweak these settings, you have to be in service mode and must have a service manual which I can email upon request.

BE SURE TO DOCUMENT YOUR CURRENT SETTINGS SINCE ANYTHING YOU CHANGE WILL AFFECT YOUR SET'S PERFORMANCE !!!

1-Reduce your tv volume to 0
2-press the MUTE button on your original tv remote [you'll see "Mute" in red on the screen]
3-AT THE SAME TIME, press MUTE on the same remote and MENU on the tv controls.
This set your tv into service mode [there will be a red "S" at the top-center of your screen.

You'll need the table in the service manual page 47 where there are V-SHIFT, H-SHIFT, V-ZOOM, E/W WIDE default values that will need to be changed. WATCH YOUR SCREEN as you change the values to ensure you don't over do it.

If you have news ticker and sports scores issues, you'll want to be tuned to CNN, FOX, ESPN or whatever to see how your changes are applied.
If you have tv guide problems then tune to that channel or press info and see what happens when you make the changes.

BE SURE TO DOCUMENT YOUR CURRENT SETTINGS SINCE ANYTHING YOU CHANGE WILL AFFECT YOUR SET'S PERFORMANCE.

This has worked for my set and you may attempt this solution on yours at your own risk.
I'm no longer pissed off that I got a bogus tv because it now works just fine and I can see everything!

Good Luck!

Jul 31, 2006 | Apex Digital AT2702 27" TV

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