Question about Mintek DTV-263 26 in. LCD Television

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Mintek Fix Attn : RYAN Tks for your reply. I'll ck with the multimeter to be sure which of the strands are the hot ones. Another question I had concerns the attachment of an RCA composite cable to the speakers so that they will function when I plug it in to the Red & White plugs on the other end into the Red & White audio inlets along side where I will plug the three component cable wires in my HD cable box? The set has a right & a left speaker with a wire soldered to each lead marked (+) and (-). Since you said I could attach an RCA composite cable wire to the speakers in order to utilize them and since you said the each of the wires has a center wire that is the input with a ground on the outside; to which contact do I connect the red & white input wire and where do I connect the the ground wire. Should I connect one wire to the right speaker and the other one to the left speaker with the center input wire connected to the (+) lead and the ground wire to the (-) lead? When I wire it this way should I first detach the wires that a currently attached to the (+) & (-) leads of the speakers? Should this setup give me the audio? One more point of clarification. You say I should test the TV and "make sure there are no grounds". What do you mean make sure there are no grounds? Mike

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Mike
No problem. What I was suggesting you could do with the speakers is to splice the positive (it should be red or white) speaker wire to the hot part another separate RCA (I used the side input) jack and the ground to the jack's ground sleeve (the outer part). So the process is similar to what you're already doing with the component RCAs and wires. Once this is done you can hook a receiver up to the built in speakers in the TV with no hassle. The speakers will not be powered, however, so you can't just hook the audio output from your cable box to the TV. All this process allows you to do is hook a powered amp or receiver to the speakers.

What I meant by saying to make sure there are no grounds was to double check and make sure each bit solder did not bridge over to another strand of metal or the metal chassis of the TV and cause a short or a ground.

Anything else, just let me know.
Ryan

Posted on Mar 11, 2008

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To my knowledge this is not an issue that can be fixed completely without obtaining a new motherboard/DVD player and replacing them altogether. Another member, Ori, posted that it might be possible to trace the handshake signal the built in DVD player uses to communicate with the TV's motherboard. The correct signal would "unfreeze" the motherboard allowing for a fully functional TV. Unfortunately I haven't the time or skill to do that.

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Jun 12, 2008 | Mintek DTV-263 26 in. LCD Television

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Mintek Fix


The TV needs to remain in DVD mode. Please correct me if I'm wrong but from my understanding you're hooking the TV up through a standard coaxial cable. You'll need to connect you cable box to the TV using component RCAs, not regular coaxial cable.

Since the DVD player sends component video to the motherboard of the TV, that's the only thing you can send through the new connection you just made.

I was going to post pictures tomorrow however I loaned my sister my digital camera a few days ago and she won't be able to return it until the end of the week. I can try using my cell phone and bluetooth... I'll see how it goes.

Let me know how it goes

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Mar 11, 2008 | Mintek DTV-263 26 in. LCD Television

1 Answer

Mintek Fix


Depending on the connection, one loose solder point could be the problem. Unfortunately I have to leave for work so I can't help you any further until about 10:00 tonight (EST). I will post some pictures by this time tomorrow, though. Maybe those will help as well. Oh and just to double check, you cut the wires from the DVD player and soldered them so that the component cables now run directly into the motherboard, correct?

I'll post some more info just as soon as I can.

Ryan

Mar 11, 2008 | Mintek DTV-263 26 in. LCD Television

1 Answer

Mintek Fix


It may be a little different on the 26" model. It's been several months since I did the repair so my memory is a little fuzzy. It sounds like the non flat strands are a common ground and the flat ones are the hot wires. The best thing to do would be to take a multimeter and test for continuity on the center of the RCA jack and the flat strand of metal. If you get a reading, that is where the input wire should be soldered. More than likely you're correct and you should proceed as you found logical.

All you're really doing is making a new connection for the component input on the back of the TV. So just make sure that each hot wire from the DVD player will be on the strand of metal that corresponds with the hot wire from the component RCA jack, which is the center part of the jack, not the outer metal sleeve. In theory you could just attach all of the grounds from the DVD player to any metal part of the TV; I do not know if this will work however because the set might have a failsafe on the motherboard, not allowing video pass through when grounds are not detected.

I hope this helps! And please let me know if you get it working or have any other issues.

Ryan

Mar 11, 2008 | Mintek DTV-263 26 in. LCD Television

4 Answers

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What a crock of **** this is guys! This FIX is surly a sad work around for the poor! Replace the mother board and solve your problem the correct way. No need to butcher up this TV. Better still, buy a name brand TV and a service contract which will save you money in the long run.

Dan Jackson - CET, which means Certified Electronics Technician

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Hi, check out my (admittedly lengthy) fix here:

http://www.fixya.com/support/t300197-tv_w_built_in_dvd

Hope it helps!
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