Question about Sharp DVHR300U 109-Hours Video Recorder

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Sharp TV/video toggle problem

I have an older Sharp TV that I purchased around 1995. The serial number tag came off a long time ago. The original remote has long since been lost. I use this TV for watching DVDs only and hence only use the video function. Somehow a button got pushed and it's now in TV mode. It'll cycle through the channels but won't go into video mode. I bought two different universal remotes with tv/video buttons and although all other functions work, the TV/video button does nothing. It seems a shame to throw away a perfectly good tv just because I can't get it into video mode. What can I do?

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Re: Sharp TV/video toggle problem


Posted on Dec 24, 2009

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Re: Sharp TV/video toggle problem

Buy a spraying lubricant (Cool Jet) and spray directly into the button hole and after a couple of minutes try to tap/knock it several times with your finger as if you want to switch over from tv to vedio it might pop out. It might have accumulated dust.

Posted on Jul 12, 2007

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If you have the older TV with a CRT, here is my answer. By now this TV has a loose capacitor. The capacitor will not have any solder around the pin for a proper ground. Next, there may be a large power resistor that is not attached to the board as for the same reason as the capacitor mentioned. I have not repaired your TV model, but experience tells me what to do. You asked, so I'm sharing. These are just one of many grounds. You will need to solder the vertical IC, Horizontal transistor, horizontal transformer, flyback transformer etc. You will have to inspect the board for any and all solder grounds. Also, be sure to resolder the small board that is attatched to the CRT (pull this board off carefully and then solder). You should not have to purchase any parts, resoldering will bring it back to life.

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Are you still having problems with your receiver? Depending on the type TV you have, TV 1, on an older TV will use channel 3 of 4. A newer TV will have an input setting. If you have the TV remote, press either the "input", "source", or "tv/video" button to cycle through the input settings till you find a picture. Make sure the green, blue, and amber lights are lit on the receiver. TV 2 should be on channel 60 or 73. I hope this helps.

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The model number for the remote is Sansui DVR 810

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I have a dvd player that I am trying to hook up to a sharp tv model number 25L-M100B. This tv don't have the necessary ports inthe back to plug dvd or anything up to it. It does have 2 in the front of

Hook the dvd player up to the front inputs usually a yellow and a red or possibly a yellow red and white depending if the TV is stereo or not.

Then on your remote, it the INPUT button and take it to "VIDEO 1" while your dvd player is on and you should get a picture.

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A lot of times there is only either white or red and not both. This is just Mono sound, it works, just not "stereo" sound.

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LC154U ?? Do you mean LC-15AV4U or LC-15SH4U ?

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