Broken Coax Connection

Since you're going to be soldering anyway, these are available on ebay. Just keep your wire as short as reasonable.










The other way is just grab a short f-type to f-type coax (standard TV coax cable) , and cut off one end. Then unweave the shield and solder into a bundle with a short wire to the TV antenna ground.

if it is broken off,get it fixed you cant use it

Hi Bill, most issues such as this are due to inaccurate connections in the back, so be sure you don't have a video RCA connection going to the "audio in" jack.... or something similar.

Try investigating the sound while using "over the air" tv or through an old Coax cable\antenna connection.... If it works correctly from that source then you are probably OK...

You can buy the male coax threaded terminal at Radio Shack or Home Depot...some Walmarts carry it too. You can do it yourself, just follow the instructions on the package. You will have to strip the plastic shiething off the cable a little with a knife.

Here are the list of connections on this system


• Audio inputs/outputs 2 analogue input sources,
1 analogue output connection
- TV : in
- VCR : in
- CDR : out
- Headphone : 3.5 mm


• Digital audio in/output : 2 digital output connection
(coax, optical)



• Video outputs : 3 output connections (1 S-Video)
- TV : out
- VCR : out
- Monitor : out
• Speaker Connections suitable for speakers ≥ 6 Ohm
- left, right, center : click-fit connection
- rear left, right : click-fit connection
• Miscellaneous connections
- TV center speakers pre-out : 1
- Subwoofer pre-out : 1
- AM antenna : loop type
- FM antenna : coax

please mark this fixya if it has answered your question.

Sorry, I miss-read this post. I orginally thought it said your cable broke, meaning the coax that went to the back of the TV.
The coax input is more than likely a part of the main board. I am not a tv expert but as with laptops and input modules that break you have to soder the peice on or replace the whole board.
Easier to switch to a/v inputs as mentioned in Solution #1.
I could not find a spec sheet for your model but did find this for you to give you an idea on what is entailed in replacing a broken RF connection. This may or may not apply to your model, but here it is anyway.
http://www.youtube.com/watch?v=S9v-dUyzdrk
I would suggest letting someone who is qualified in TV repair fix it.
Here are the service manuals for your Zenith. Download both and then extract to your desktop for easy access. I downloaded and extracted myself to make sure it was a working copy so you are good to go.
Part 1:
http://www.eserviceinfo.com/download.php?fileid=34271
Part 2:
http://www.eserviceinfo.com/download.php?fileid=34270

Good Luck!

Hook the cable up to the VCR or if you don't buy a RF converter from radio shack or electronics store which will have a coax connector on it with component and Svideo to send to the TV. Select the connection (Component or Svideo) in the TV menu. If you only have the coax connector on the back of the TV without any other connection, you will need to get that tuner board replaced.

it should be alot to fix all u have to do is buy the coax connector n solder it

u can try to solder it back on

There might be a bad (loose) connection in the RF isolator or the tuner (both are silver boxes. Try to unplug the coax and bend the RCA tabs in so that the connection gets firmly made when reconnected. This may help. If it does not The connector may have to be replaced.