Question about Televison & Video
Hi, we are having problems adjusting the tv screen to fit the TV programme when my father in law is watching football. The scores that appear at the top left hand of the screen we cannot see it. I have tried to adjust the screen by the remote and manually on the tv but cannot get this to fit. Other than having a smaller picture nothing seems to work. Do you have any suggestions please ... we are desperate to get this sorted out for him. He has a JVC 50inch tv. Many thanks !
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Posted on Jan 02, 2017
SOURCE: 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
Posted on Mar 28, 2007
SOURCE: Picture slants right to left
Hope you have fixed this problem by now, if that tv is unserviced, I mean if nobody has ever opened it, it could be a problem with the positioning of your tv, just tilt the tv in different positions and find out the position in which it will show the right fit. If it is serviced, especially yoke is changed, this is rare, it could be because the position of yoke is not aligned properly.
Posted on Feb 09, 2008
You are seeing vertical retrace lines. This faut is due to the vertical output section inside your TV. To rectify this fault, you must open your Tv. Just open it after unpluging it from the wall power socket. Locate the vertical output section on the printed circuit board.
It is easy to locate. You can see four wires goes from the deflection yoke; the coil fitted around the neck of the picture tube. Out of which two of them will be thick, usually red and blue coloured, and the other two will be thin. These two thin wires are for vertcal scanning. Just follow these two thin wires, and you will reach a point where these four wires are pluged onto the main circuit board, very near to the LOT. Upside down the printed circuit board, and follow the print of that two thin wires, and you will reach to the vertical output section of your Tv.
Before doing anything, just look for any loose soldering or bad solderings there. It is very difficult to find out loose solderings, as thay will be microscopic, I advice you to resolder most of the soldering points there by applying a little more solder; without making any solder short. Resolder all the pins of the vertical output IC, and see the effect.
If this does not help, replace the two or three electrolytic capacitors, at about 1000MF to 2200MFD there, with same capacity and voltage ratings. Make sure about their polarity, as electrolytic capacitors have both positive and negative terminals like torch cells. Note the polarity when resoldering them out of the board. This must solve ypur problem.
If you need anymore asistance, feel free to contact me through Fixya. OK
Wish you sucess.
Posted on Dec 11, 2010
You will need to get a "regular" Universal remote and program it for that particular model of TV. You will need to access the on screen setup menu for the TV and then have it scan the channels. Make sure your DTV box is on and connected with the coaxial cable. If the "TV Input" button on your DTV remote works and you can get it onto the Video Channel, You can connect your DTV receiver with the RCA Cables (Red, White and Yellow) and get your picture that way. If you access the on screen menu, you will need to scan for Analog and Digital channels as the receiver transmits in Analog. hope this helps.
Posted on Sep 24, 2012
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