Question about Sanyo DS25390 TV

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The cable coax male connection is disconnected from the television

The cabel coax connection in the rear of the televison has come a loose, so... How can I replace the cable coax connection or do I have to replace the box that holds the cable coax male connection and how much will this cost and where can I find it.

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  • 398 Answers

The coax connector you describe is called the F connector and the silver box it is attached to is called the tuner. The original F connector or a replacement F connector can be soldered back into the tuner, but the metal frame of the tuner must be straightened out and the center pin must be delicately reattached too. This is quite an easy job but requires some labor, assuming that nothing was jammed into the tuner when the F connector was out and the coils behind the F connector have not been disturbed. I usually charge about $40 to reattach F connectors but if I have to replace the tuner I charge about $50 because it is a lot less labor to replace the tuner and they can be purchased for about $25.

Posted on Jul 18, 2007

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Posted on Jan 02, 2017

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1 Answer

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set should have 2 cable connecters; IF IT DOES NOT CONNECT VIA CABLE BOX/SAT BOX ETC TO ONE OF THE SETS OF AUDIO/VIDEO JACKS ON BACK OF SET AND USE IT THAT WAY----the AV jacks bypass the cable fitting.

Tuner could be removed and coax fitting replaced but just go around the problem.

If you do not understand, comment here and I will explain.

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Sony KP-53XBR45 rear projection TV: Coax input Selector Antena part on rear has the AUX input 'male' connector but the TV/Cable 'male' connection end is missing. Is there a way to use the AUX or any other...


You can replace the connector or if you have a cable box with audio and video outputs on it---connect them into one of the sets of jacks on the back of the set--switch to that input and change channels with the box----you can also do the same thing with a VCR--hook the cable into it and use its video and audio output jacks to connect to the video and audio input on the back of the TV.

In this case (the VCR does not have to work except as a tuner) you will go to whatever input you connect to and use the VCR to change channels.

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2 Answers

Broken coax connection on back of unit


If you are comfortable doing some small repair work, you might be able to fix this with stuff you have laying around.

All you need is:
1 - 8" piece of coaxial cable with male connector on one end
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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3 Answers

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If you are comfortable doing some small repair work, you might be able to fix this with stuff you have laying around.

All you need is:
1 - 8" piece of coaxial cable with male connector on one end
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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1 Answer

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