Question about Emerson EWF2703 27" TV

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Emerson tv not responding to remote. The same remote will work with other emerson tvs in house.

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  • oldironfist Feb 22, 2008

    wow, I didn't even realize the thing got dirty while we were moving, I kinda feel like an idiot! Thanks for your help.

  • oldironfist Feb 22, 2008

    Sorry, but, no. I had the tv unplugged for about an hour, cleaned the IR sensor on it, turned it on and it worked! For about three remote operations. Not it will not respond again. Any other suggestions. The same remote works on another emerson tv I have in the house (neither remotes will work on the messed up tv)

  • oldironfist Feb 22, 2008

    Heheh,

    I like some of the suggestions. Starting with stop watching tv. Truth is I don't watch tv, my family may be one of the last in the nation that doesn't have cable/dish! A few dvd's here and there . .but I am a gamer, and enjoy a good scrape in a hack and trash with my kids!

    I would love to junk the remote idea altogether, and just operate from the TV direct. The problem is the darn thing has no channel control to change to DVD 1/2 (the "extra" input channels).

    Can you tell me more about running these operations via the computer? Sounds interesting.

    From what I gather so far via the web, I'm leaning to the IR sensor problem. I have no idea how to do that, but am investigating.

    Thank you to all who have helped.

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  • Master
  • 981 Answers

Several trivial solutions:
Stop watching television! Sell or scrap that old thing.
Don't control it from remote.
Observe that there is a huge IR source (fireplace, stove...) which swamps out the remote's signal and somehow shade the window (or that bit of the room) from that source.
Leave the TV on one channel and feed it that channel from one of those Tuner/Source-Selector gadgets (...which have remotes.)
Control the television from serial controls etc. via a USB microcontroller attached to your PC, such as a PIC or Rabbit development board; feed it a spare video signal from your PC if its tuner is the old NTSC kind, and you can add an ATSC tuner via PC connections. (Trivial if you like this sort of to-do.)


The photodiodes which detect the Infrared signal are pretty static sensitive, so assuming that no other remote will work on this TV, you could replace that; however of course you should brush up on static electricity safety and CRT safety as relevant (i.e.; not, if it's an LCD.) Also be careful if it's big that things do not fall the wrong way; a spare 2 hands are very handy to trained technicians, they probably will be to you. If you swap the little IR box (1cc in dimension,) you just need a unit that takes the same voltages as before (or; lower, and use a resistor in series.)

There's nothing to say that dust -inside- the television isn't causing the issue, since it did work twice; so perhaps the short path is to clean the inside of that window (and the rest of the TV guts, using some old towels and compressed air) and check for a response then. If that's full of FAIL, you get to go find schematics and do the TV tech's job (or hire the cutest TV tech you can find....)

Posted on Feb 22, 2008

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  • Master
  • 579 Answers

There is an "eye" on the front of the TV, its behind a red window, make sure it is not blocked or REALLY dirty. Those remotes are pretty powerful and can bounce off walls, Look at the remote LED through a digital camera, you can see the light flash, quick test to see if it is working.

Posted on Feb 22, 2008

  • Steven Wander
    Steven Wander Feb 22, 2008

    I would suggest battery change, no other clue.

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