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Coax antenna connector broken off from Tivo motherboard

Discussion in 'TiVo Help Center' started by cheitzig, Jan 30, 2011.

  1. cheitzig

    cheitzig Tivo user since 2003 (or so)!

    Sep 20, 2003
    Minneapolis, MN
    I noticed I wasn't getting any antenna channels recently, and it had been since I'd attached a small chuck of cable between my antenna and my Tivo HD box.

    Turns out when I tightened the antenna cable onto the TiVo box, I tightened it too much and broke the connector off the motherboard.

    Any advice on how to get this fixed? Any thoughts on where to buy the part-- I can probably solder it back on if I knew where to buy one. Maybe RadioShack?
  2. lillevig

    lillevig Cold in East Iowa

    Dec 6, 2010
    Marion, Iowa
    Yeah, Radio Shack or maybe Lowes or Home Depot. Both of those HW stores actually carry quite a bit of stuff for phone, ethernet, and TV cable installation.
  3. smbaker

    smbaker Well-Known Member

    May 24, 2003
    Sadly, Radio Shack isn't the parts store they used to be a few decades ago. I don't think you're likely to get much help there if it's a PCB-mount jack. Something like Mouser or Newark or Digikey perhaps (online parts suppliers).

    I'm surprised the jack isn't part of a shielded assembly that's hard to get into. In the worst case if you can't find the right jack, you might be able to solder some wires from the PCB to a panel-mount jack.

    Finally, you can always buy a leftover Tivo off EBAY (perhaps a DOA one cheap?) and take the jack from that if you're unable to locate one from a parts store.
  4. SNJpage1

    SNJpage1 Well-Known Member

    May 25, 2006
    I'd look on ebay for parts or like they said a junked tivo. Ive bought parts from Mouser and digikey and they would probably have the part also.
  5. unitron

    unitron Active Member

    Apr 28, 2006
    semi-coastal NC
    You probably didn't break it loose from the motherboard, you probably broke it loose from the tuner.

    If you had the knowledge and experience necessary to do the repair, you'd have probably already had the cover off of the unit and done it.

    Therefore, I recommend that you don't try.

    Is this unit lifetimed, ('cause we're about to get into the whole cheaper to repair or replace question here)?

    What part of the country are you in?
  6. Feb 1, 2011 #6 of 14

    gastrof Hubcaps r in fashion

    Oct 31, 2003
    Potato and pen.
    We don't know exactly what's broken inside, so suggesting where parts can be purchased is jumping the gun.

    I'd suggest that the OP either take the TiVo to an electronics repair place, or (if secure enough with electronics) open the TiVo's case themself to at least look at the connector and see exactly how the break happened.

    If a board itself is damaged, just solder will likely not be enough. A new board might even be needed.

    Let's get a look at the actual damage first.

    If a board is damaged, I like the ideas to buy a used TiVo and cannibalize it for the board, but this is a "TiVo HD box".

    I doubt you'll find many of them on eBay as old, parts machines.

    I doubt you'll find ANY of them as parts machines.

    Depending on the damage, this may require shipping it back to TiVo for a fix.



    How old is the machine? Is it still under warranty? If so, do NOT open the case. Ship it back unopened.
  7. Mar 3, 2011 #7 of 14

    cheitzig Tivo user since 2003 (or so)!

    Sep 20, 2003
    Minneapolis, MN
    Just getting back to this thread. Box is 1.5 to 2 years old. I had the cover off and would've desoldered, etc., but there was no point-- I don't have the replacement part. I can turn the elbow connector completely around, so it's no longer attached to the PCB. I just need that part.

    I like the eBay idea-- will give that a try.
  8. Mar 4, 2011 #8 of 14
    Mister B

    Mister B New Member

    Jan 23, 2011
    El Paso...
    I made the exact same mistake with a VCR years ago, tightening the coax too much until the RF connector turned. I just used a short piece of coax cable, stripping one end down to expose the center conductor and braided ground. Then I soldered the center conductor where the inner part of the connector used to connect and the braid to the outer connection.
    If you remove the old connector the cable should go through the hole to the outside of the box. Then you can put a barrel connector on the end of the short piece of coax and connect as before. I believe I also put a clip on the cable inside the box so I could not accidentally pull the cable too hard and break the delicate connection.
    The only problem may be that old VCRs were very obvious as to the connections. I have noticed over the years it is not so obvious anymore and I have never looked inside of the TIVO. Since you have seen inside it is just a suggestion to visualize a possible fix.
  9. Mar 4, 2011 #9 of 14

    Mike500 New Member

    Jun 28, 2004
    I'd also use the F81 barrel connector. However, I'd put the connector on the inside of the chassis with the standard 3/8-32 barrel nut to lock it on from the outside. Then, it will look and work just like the original.
  10. replaytv

    replaytv gun talk ignore list

    Feb 20, 2011
    Denver ish...
    The shipping will kill you on ebay. Go with craigslist. I just shipped a Tivo and it was over $25!
    If the machine doesn't have lifetime, just replace it if U haven't done soldering before. Too bad U don't live in Denver. I sell series 2 Tivos DT without lifetime for $25 if U pick it up. Here in Denver many Tivos are listed every day on craigslist. Sometimes for free. A friend just picked up a Series 2 Tivo with an open account(means that he can record without having to pay for service)for free with a Tivo wireless adapter on Craiglist.
    By the way, which model is it and does it have lifetime?
  11. cheitzig

    cheitzig Tivo user since 2003 (or so)!

    Sep 20, 2003
    Minneapolis, MN
    It's a TivoHD and has lifetime, so I can't really switch it out easily.

    Right now, I don't have it connected to an HD television, so I don't really need OTA TV, but I think I'll probably give the "chuck of coax" soldering method a try. I solder a bit-- just not that often, but am comfortable enough to do what Mister B suggested.

    Thanks for the ideas!
  12. unitron

    unitron Active Member

    Apr 28, 2006
    semi-coastal NC
    Is there any way you can post a picture or three of the damaged part and area where it broke off?

    Unless you want to bring it by the house for me to look at. : - )
  13. cheitzig

    cheitzig Tivo user since 2003 (or so)!

    Sep 20, 2003
    Minneapolis, MN
    I haven't opened the Tivo's case in a while since this issue isn't killing me, but finally found a part online once I realized that a type f right angle to board connector is what I need. Figured I'd post in case anyone else has the problem.

    Digikey version of what seems to be close-ish to the part I need: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=5415024-1-ND

    Note that I haven't taken measurements of the pin distances, etc. on the device in the TiVo, but at least I know what to search for when I get ambitious and open the case up.

    --> C

    P.S. Sorry I haven't kept up with the posts. I realized today that I had an old e-mail address associated with my profile.
  14. unitron

    unitron Active Member

    Apr 28, 2006
    semi-coastal NC
    If that's what the thing inside your Tivo looks like, then apparently the Series 3 did away with separate modular tuners like the S1 and S2 have.

    If you tightened hard enough to bust that (with 5 different parts of it soldered to the pc board) loose, you've probably done some considerable damage to the pc board.

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