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S2 overheated, now won't display anything. Fixable?

Discussion in 'TiVo Help Center' started by timckelley, Dec 8, 2013.

  1. Fofer

    Fofer XenForo Rocks! TCF Club

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    [​IMG]
     
  2. timckelley

    timckelley TCFer

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    I have the guy's S2 in my car right now. Hopefully this evening I can work on the TiVos. He also threw in his remote control which is nice, because one of our TiVo remotes is having major problems with the buttons sticking.
     
  3. timckelley

    timckelley TCFer

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    Austin, TX
    As instructed, I disconnected the 540 HD, and attempted to boot up, and I indeed get the welcome screen. One slightly disapointing thing is that I just realized he didn't give me a power cord, so I'm using the 240 power cord for both TiVos.

    Anyway, I guess it passes the power supply test, so I'll now transplant the power supply into the 240.

    BTW, I never did ask the guy if he has a lifetime sub (as I didn't want to make him think he's giving away the farm.) Maybe there's some way I can find out what kind of sub he has. I guess one way is to repair his hard drive, boot up, and look at his info screen. But I'd hate invest in a new hard drive to discover it's not even lifetimed. But OTOH, I think I do probably have an extra hard drive or two lying around the house, albeit not large ones - but they don't have to be large to get his S2 working enough to boot it.
     
  4. timckelley

    timckelley TCFer

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    I've removed both power supplies. I don't see bulging capacitors on the 240, but I'm no electrical expert. Maybe I'm just not good at seeing damage.

    Anyway, I installed the 540 power supply and hooked it to the motherboard leaving it disconnected from the HD as instructed and good news: I get the welcome screen. :cool:

    That's more than I was getting with the old power supply.

    Now for the meat test: connect the HD, and see if she boots up, complete with my wife's NP list and everything.
     
  5. timckelley

    timckelley TCFer

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    Rebooting as we speak, and I could be wrong, but I think the fan is spinning at a healthier speed than it was with the old power supply. If this thing works, maybe I should send a thank you note to the Craigslist guy.
     
  6. unitron

    unitron Active Member

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    semi-coastal NC
    Assuming that 540 motherboard is still in the chassis it left the factory in (which reminds me, is the little TiVo guy still glued on the front?), then on the sticker on the back where the power cord plugs in is the TiVo Service Number.

    Go online to tivo.com, go to support, click on chat, eventually you'll get somebody, they'll ask if you have an account already (although it doesn't matter for the question you're going to ask), so tell them yes (I just have my name, address, phone number, and email address tied to the account in Notepad and copy and paste when they ask), and then tell them you need to know the account status of--insert the 540's TSN here.

    If it does and you want to add it to your account, you'll have to get it working first.
     
  7. timckelley

    timckelley TCFer

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    It's at the almost there screen, but I wanted to add this important bit of information. I've been unplugging at the TiVo end (before today), which is contrary to unitron's advice to unplug from the wall end. So starting today, I'm unplugging at the wall end, and when I did I discovered to my dismay that for some alarming reason, it was plugged directly to the wall, and not into my UPS unit. I don't know if my wife did that or something, because it's hard for me to believe I'd make that mistake. That means it's been subject to power surges and power outages. And I know this house has had it's share of brief (seconds long) power outages, so who knows how many times that TiVo has rebooted.

    Also, as a bit of history, I'm not the original owner of this TiVo. I bought it from a TCFer her (username = jenhudsen). She had already upgraded the HD to 300GB and lifetimed it.
     
  8. unitron

    unitron Active Member

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    You could thank him by offering him $10 for the power cord and remote.
     
  9. timckelley

    timckelley TCFer

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    Austin, TX
    Thanks for that advice The TiVo guy is indeed still on the front, and the service number is on the back. He also has a Maxtor HD in there, which I bet is the original factory hard drive. I guess I should follow your strategy to learn the account status.

    And now for the final result:

    :up: :up: :up:

    It booted successfully, and NP is back and everything! Replacing the power supply indeed did the trick!

    Yet another time I find myself indebted to the help board here for getting my TiVo fixed. True, I read on another site on how to replace the power supply, but I wouldn't have thought to replace it to begin with without the advice here, and I probably wouldn't have thought to scour Craigslist to find a free TiVo. I remember years ago when I replaced the power supply on my S1, I bought it from some website.

    My wife has already gone to sleep but tomorrow morning she'll wake up to a repaired TiVo.
     
  10. unitron

    unitron Active Member

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    So the 240 is working with the 540 supply in it?

    If the drive in the 540 is a Maxtor, then it's probably got a slightly higher LBA number than Seagates and WDs and such that are supposedly the same GB number, which means the image from the Maxtor won't quite fit on the other brands unless you go to a higher GB number.

    If the 540 quit working on the guy recently, it may be that there's nothing actually wrong other than it failed when it tried to switch to the alternate boot partitions while trying to upgrade itself from 9.3.2b-... to 9.3.2c-...


    Let's talk about fixing the 240 supply and putting it back where it belongs.


    Then we'll get the 540 running again.

    Once all that's out of the way we can start planning global domination.
     
  11. timckelley

    timckelley TCFer

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    Oh no, I may have spoken too soon without testing everything. I'm having trouble getting live TV to work. There's no signal, but if the cable is only partially plugged in I do get a signal, but the video quality isn't that great, and the sound mostly out, except sporadic bursts of sound.

    I guess I'm going to try plugging the cable straight to the TV to rule out the cable signal itself being bad.
     
  12. timckelley

    timckelley TCFer

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    No, the signal is fine when it goes straight to the TV. Theoretically it could be the red/white/yellow cables going from the TiVo the TV, but when the coax is only partially screwed into the TiVo I get a partial signal, and all the way in I get no signal, so I don't think it could have anything to do with the red/white/yellow cables. I wonder if the TiVo tuner is malfunctioning.

    As I speak, my wife's To Do list is going start recording blankness in one minute from now. :(
     
  13. timckelley

    timckelley TCFer

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    Good news, I think. I restarted the TiVo, and live TV works now. What the problem might have been, and you experts might be able to opine on it is: after changing the power supply and hooking up the hard drive, when I powered it on, I didn't have the cable or my wireless adapter hooked up.

    The first thing it did after it booted, is it asked me to set up a network connection. I did so, and then while setting it up it told me I had no wireless adapter connected, and that's when I realized oh, I didn't plug it in. So I plugged it in and finished setting it up.

    Eventually I went to Live TV, and it said oh, no signal... I didn't have the coax plugged in. So I plugged it in and all the problems above happened.

    So maybe when rebooting a TiVo, I need to have the coax plugged in already? Maybe that's why my latest reboot worked - because by then the coax was in.
     
  14. unitron

    unitron Active Member

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    Nah, the more likely explanation is gremlins.

    I'm not kidding.
     
  15. evanborkow

    evanborkow Member

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    I've always liked the way you think.
     
  16. timckelley

    timckelley TCFer

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    So I guess fixing the 240 supply must involve replacing capacitors or something. Maybe that's why you were asking about soldering irons, which I've never used.
     
  17. unitron

    unitron Active Member

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    Well, that was the way I fixed mine.

    And my 540 supply.

    And an S2 dual tuner supply.

    And an S3 supply.

    And the LCD monitor I'm using right now that someone left on the curb for the garbage man.
     
  18. timckelley

    timckelley TCFer

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    Austin, TX
    I'm now in the queue for a chat session to start with them.
     
  19. timckelley

    timckelley TCFer

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    Austin, TX
    Welp, the answer is that this TiVo has no service on it, so it doesn't seem worthwhile for me to repair it. I suppose if I want I could salvage the hard drive in it, but it's probably not a very big hard drive. Plus according to the owner, the hard drive is malfunctioning (his best guess), so even that may not be worth salvaging.

    I'm still thankful that I could use his power supply though.
     

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