Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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Broken coax connection on back of unit

When cable company hooked up coax, they cross thread the connection and broke it of on the back of unit. i have my dvd ronning through a/v jacks but cant hook up my cable through coax. what can i do?

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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.
broken coax connection on back of unit - d97c57c.jpg

Posted on Feb 22, 2009

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The tuner would have to be removed and a new connection soldered on. It's a fairly major job. Either that or the whole tuner has to be replaced which is even more expensive.

Posted on Jan 19, 2009

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65" projection toshiba power fuse blows


You have a dangerous situation here---All modern units (Lamps, TV's, everything) Have a polarized power cord---one side of plug the pin is smaller than other side.

The large side goes to the neutral side of the electrical outlet.

One of two things has happened---either a issue with the electrical outlet which is rather rare except in older houses that have the old style electrical outlets (both pins the same size) Or someone has managed to get a cord in backwards--filed down the large lug on the power cord and put it in backwards.

What happens and can be tested is with it backwards you have "potential" 120 volts being fed back into the cable wire itself--

DO NOT KEEP CHANGING THE FUSE--a simple test with a voltmeter set to AC (wall) voltage from a earth ground (water pipe of metal will show 120 volts on the coax.

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The cable company may be able to help or NOT> an electrician will be able.

The way I would locate this is with the volt meter hooked to the coax I would disconnect the cable feed from each set or unit in the house one at a time until no voltage reading---then you would know which is causing this issue.

Be advised it can spark which can destroy parts in any of the sets or equipment.

Kind of like if you got shocked when you touched the metal on your car.....something bad is happening.

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How do I replace the cable connection?


You have two choices--either have the tuner removed and repaired--a new coax fitting installed OR:

If you have Cable, Direct TV, SAT, etc--you can route the signal into one of the audio and video inputs on the back of the set and bypass the tuner connection totally.

You can even use a old VCR---it does not have to be able to play tapes--just hook it to one of the Video and audio inputs and use it or a box to change channels

Repairing the tuner or replacing it may be very expensive--going into one of the inputs could only cost you the need to rent a box if you have cable etc.


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Coaxial input jack on the TV broken off so I cannot connect my coaxial cable from wall


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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