Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: TV w/ built in DVD
I have the same TV with the same problem. I was able to fix the television as well as two 26" Mintek TVs this way. This is a very lengthy, complex fix that requires some electronics know how and skills with a soldering iron and I highly recommend reading through this before jumping in. It also makes the TV lose functionality of the built in DVD player, the cable tuner, every input except component, and speaker functionality (so you'll need a receiver and speakers or some sort of powered speakers for sound). But it's much better than letting the $1200 TV gather dust in the basement. So if your feeling daring, give this a try:
First, the TV needs to be stuck in DVD mode. All I had to do was put a DVD in. Be mindful that you'll have to take the DVD player apart to get the DVD back, but this fix requires you to take the DVD player apart anyway.
Next, you'll have to take the back off the TV. It goes without saying that the set should be unplugged first. Also, the screws for taking the stand off are in the back of the TV and not in the bottom of the stand.
When you get the back off, you may want to short out the power supply capacitor. Take an INSULATED PLASTIC or RUBBER screwdriver or other tool and bridge the two leads on the power supply capacitor and be sure you don't touch any of the metal part of the screwdriver while you do it. A large spark is normal. If the TV has been off for some time there may be no spark at all. If you don't want to do this/can't find it capacitor/don't know what it looks like then just be sure to stay away from the immediate area where the AC cord goes into the TV.
Next, continue to remove panels until you can see the main "motherboard" of the television (the one all the inputs on the back of the TV are attached to. You'll have to disconnect some wires to get to it; most have a plastic interconnect, some grounds have a spade connector that's screwed into another part of the TV. Masking tape and colored markers go a long way when helping you remember where each wire goes, too. When you get the central board, take note of the wide, thin group of wires running from the motherboard to the DVD player (it's an IDE cable, the same kind used in computers, Google it).
Take out the DVD player and begin to take it apart, noting where the IDE cable connects. Also remember that you have a DVD stuck in the player. When you can see exactly where the IDE cable connects, look very closely at the board where it connects. You'll see, in extraordinarily small writing, labels for each wire of the IDE cable. Look for either the Y, PB, PR, or Y, CB, CR labels. Mintek only uses one label, but I can't remember which it is. You'll notice that each of the aforementioned wires has a ground wire right beside it labeled G or Gr or - or something obvious.
Use your colored markers or some other way to mark the Y, PB, PR wires (or Y, CB, CR wires) and their grounds. I drew a diagram on paper and counted over the correct number of wires (only because I was out of colored markers :) ). Just make sure you know which wires on the IDE cable are Y, PB, PR (or Y, CB, CR) and which are their grounds. Next, disconnect the IDE cable from the DVD player and use a knife or scissors to cut off the connector.
Here's where it gets very TEDIOUS, but you have a couple of options. I'll go over the easiest (and worst looking solution that probably won't last as long) first. It involves splicing a set of component cables to their respective wire and ground on the IDE cable. The cables will have to be long enough to reach your DVD player/cable box/satellite box/receiver or whatever you want have hooked to your TV. You also have to either leave off the small plastic rear panel or cut a hole in it for the wires to come out of the back of the TV. To fix the TV this way, use a knife to cut the connectors off one end of a set of component cables or 3 RCA cables (they both do the same thing, component cables are usually shielded better). You'll see two wires within each cable when you do this. One is in the middle and is insulated from the other, which runs around the inner one. Separate each strand of wire from the GREEN component cable (or whichever color you want to use for Y if your using regular RCA cables). Tin each strand with solder. Now find the the wire on the IDE cable labeled Y and it's ground. Cut the insulation off those wires (making sure to keep them separate) and tin them with solder. Solder the Y cable to the inner wire of the Green component cable and the ground to the outer part. Use electrical tape to insulate the wires from each other. Now do the same thing with the PB (or CB) and BLUE component cable and the PR (or CR) and RED component cable. Remember the inner wire of the component cable is the one you solder the signal carrying wire to and the outer wire of the component cable is the ground.
Now the second (and best solution that will last the life of the TV if done right) way is much more frustrating. It involves soldering the Y, PB, PR (or Y, CB, CR) wires of the IDE cable to the inputs on the back of the TV. It looks much better this way--the wires won't get pulled loose (they'll be concealed within the TV, and your friends won't notice that your TV has been butchered. You still need to cut the connector off the DVD end of the IDE cable. Find where the component input on the back of the TV is. There's a green Y connector, a blue PB/CB connector, and a red PR/CR connector. On the motherboard side of the connection there are some vertical strands of metal connecting the component connectors to the main board. There's a flat metal strand and another (not flat) metal strand for each of the component connections. The flat strands are for the grounds, the strands that stick out a little are for the signal carrying wires. Just solder the Y wire on the component cable to the GREEN component connector's non-flat strand (there's not much of another way to describe it) and Y's ground to the flat strand. Do the same for the PB (or CB) wire on the IDE cable to the BLUE PB/CB component connector's strands, and the PR (or CR) wire on the IDE cable to the RED PR/CR component connector's strands. HERE'S A TIP: when you solder to the strands, be sure to tin each wire AND the strand first. Also, it's best to have someone hold the TV upright while you solder, to keep all the solder from running to the bottom of the strands.
You may want to test the TV and make sure there are no grounds and that everything is connected before you put the TV back together.
You can also hook up the speakers to an unused RCA input using the same sort of method. This way you can hook up an amplifier or receiver to an RCA input to send signal to the TVs speakers.
Understand that once this is done anything you hook up to your TV will have to be hooked up using a component connection. If you have a satellite box or something that doesn't have the component output, you'll need something to convert. MOST DVD recorders actually do this. The best thing would be to buy a home theater receiver with video conversion, that way you have something to power your speakers AND you can, once again, hook anything up to your TV (through the receiver). The Onkyo TX-SR605 is a GREAT choice.
This really does work, albeit transforming the TV into a monitor (no tuner, no DVD, no sound, one input). Oh, one last thing: if you have the 26" model Mintek TV with the same problem, the fix is exactly the same, only much easier. Instead of working with an IDE cable to hassle with, there's a separate cable for each Y, PB, PR (or Y, CB, CR) signal. And it's labeled right on the main board of the TV, so you don't even have to fool with the DVD player. The DVD player is much more difficult to take apart on this model, though, so tough luck if you got a movie stuck in one.
I hope this helps you guys. If there's anything you don't understand, look it up on Google or Wikipedia. If you scour the net and still can't find the answer, I am truly sorry; I'm reluctant to put my email on this page for fear of spam. I wish now for the life of me that I'd thought about this site and took pictures when I fixed these TVs. If I ever get my hands on another one I will take pictures and post them!
Have a great day, be smart when working with electronics, don't blame me if you do something wrong and mess up your already messed up TV.
Posted on Feb 12, 2008
I have the same setup like you. Direct TV and Emerson LCD TV. The Direct TV remote stores a limited amount of codes and none worked on my TV. Sadly it's not something you can update. They seem to only stick with the popular codes. Welcome to the "head of the curve" like me. lol
Posted on Jan 12, 2009
SOURCE: LG DVD Remote to control TV
The procedure is simple. Hold down the TV POWER button and press a number botton. Release the TV POWER button. The manuel gives the following list of codes:
LG/GoldStar....1 (predetermined), 2
Zenith...1, 3, 4
Samsung... 6, 7
Siny... 8, 9
I have an RCA and 6 worked for me.
Posted on Apr 18, 2009
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