Question about Konka K2788U 27" TV

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I have a Konka K2788U. The connection for the coaxial cable sticking out of the back of the TV has broken off. Is this a simple fix for a repair shop or is it expensive in parts and labor? Can I purchase the part on my own and fix it?

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  • karenj780 Sep 09, 2010

    How much should this fix cost at a reapair shop

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Hello

To know how much it will cost to replace exactly. It can be somewhat easy to fix but in most cases you would need a soldering iron and some solder.

To fix it yourself you would need to read up on how to do it with safety. It can be very dangerous because even when the tv is off and unplugged in the "CRT" TV's they still hold a charge even weeks after. I can get you some instructions and some safety dos and donts if you go this route.

To have a tech fix it can be pricey. I would call around your area to see if there is someone that would do it for a decent price. You may even find a few places on this site in your area.

Let me know either way but please read everything and double check if you want to open the TV.

Safety first!

Posted on Sep 10, 2010

  • Robert Dahmen
    Robert Dahmen Sep 10, 2010

    I forgot to add that your should check radio shack if you have one close to you for a female "F" connector.

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Take the back housing off of your TV. You may have to unscrew the small nut holding the threaded connector to the TV. This threaded connector should connect to the motherboard with a male RCA prong that should be soldered to the component on the motherboard. You will need to carefully cut
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1 - set of RCA cables (Red/White/Yellow)
1 - coaxial coupler
2 - small wire nuts

electrical tape

Take the back housing off of your TV. You may have to unscrew the small nut holding the threaded connector to the TV. This threaded connector should connect to the motherboard with a male RCA prong that should be soldered to the component on the motherboard. You will need to carefully cut
& remove the old soldering & wiggle the connector off. This is the hardest part, but it WILL come off with a little trying.

Now get your coax cable and strip off about 2" of the black outside housing ONLY. Your solid copper` interior cable should be protected by a small plastic coating which is covered in braided wire. You'll need to be careful not to cut the braiding off. Untangle the braiding down to where your cut stops and try and get it all on one side of the cable so you can twist it all together and make a nice wire. Now strip about an inch off of your interior plastic sheathing to reveal the small solid copper wire on the very inside.

Get your RCA cable and cut about 6" off of the one yellow side. Follow the same process above to get a braided sheathing wire and a solid copper wire. Attach this yellow wire to the coaxial cable by twisting the two braided wires together and the two solid copper wires together. Use your wire nuts & electrical tape to secure your connections making sure none of the wires can touch each other.

Connect the yellow cable's male prong into the component on the motherboard and attach your coaxial coupler to the male end of your coaxial cable. If you saved the small nut from earlier, you can re-attach this new coupler to the housing on your TV. Screw your housing back on the TV and you should be good to go.
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