Question about Audiovox VOH1502 15 in. Car Monitor

3 Answers

Can't control sound ...Gets LOUD.... Audiovox not helpful to date

I have the 15" Monitor in my Motorhome. Picture is fine but the sound spikes with no warning - Can't be controlled by remote or by actually pushing the unit's volume buttons.

Audiovox warranty is a "GOTCHA'" deal in-effect "Buy a new unit"

BTW: I just discovered this Forum.
In the event no one can suggest a cure, I am thinking the only workaround might be to get a new in-dash DVD Player (w/FM and 4 speaker sound output) and use THAT unit's Amplifier.
For Sat TV - run an S-Video cable fron Direct TV Box to Audiovox monitor and run the RCA sound cables(?) to the new in-dash DVD player amplifier. Does this make sense?

Posted by on

  • 9 more comments 
  • JimGunther Apr 11, 2008

    Thanks J,
    All the visible connections appear fine.
    If AudioVox was able to provide a wiring diagram (I WISH) I might have been able to solve this some time ago :(

  • JimGunther Apr 11, 2008

    Thanks Machine,
    The volume goes whacky REGARDLESS of input.
    Sometimes I'm able to "over-ride" it by pressing the volume button on the unit but, most-times, it just goes up again.
    I've had it out of the Motorhome several time.
    PS: I don't think the motorhome has travelled over 500 total miles since the 1501 was installed.

  • JimGunther Apr 11, 2008

    Easier said than done.
    #1 AudioVox has not provided/offered even the most basic wiring or parts info.

    Their policy seems to be "replace" rather than repair. Fine if you get in under the warranty time wire but, lousy if you're beyond that period.

  • JimGunther Apr 11, 2008

    >>>>These buttons are most likely on a button board by themselves in the unit, you could disconnect the board to test, only the remote would work in that case but it would pinpoint the issue. Membrane switches sometimes do that where the air cushion inside gets busted and the button doesn't always spring back by itself or can get depressed automatically.<<<<

    That sounds logical/possible. As luck would have it (Murphy's Law?) I can't locate the original Remote Device at present (AudioVox says it's uniquee and can't be "cloned/programed" with, for example, a Sony Remote Commander device.

    As yet, I have been unable to figger how to remove/test/verify the integrity of the volume button/pads on the actual unit.
    Any suggestion how to remove and how I could repar/replace or work-around if the pad is sticky?

  • JimGunther Apr 11, 2008

    See La Machine comment
    I have not been able to troubleshoot the unit's volume pad.

  • JimGunther Apr 11, 2008

    Sorry Machine
    I'm getting a little confused by the forum format. I think my respone is in the green area above.
    It does sound like the pad. My question now is how to remove/troubleshoot repair it - esp w/ no real parts/support from AudioVox

  • JimGunther Apr 11, 2008

    Thanks again,
    I've had the unit in and out a couple times but won't be able to check it again 'til, probably, Saturday.
    Meantime, I DID find a remote on e-bay., before I spend $25. I want to pursue the bad-pad issue.

    http://cgi.ebay.com/AUDIOVOX-Remote-Cont...

    Before I spend $25. I should pursue the bad-pad issue.
    Again, wish I could find details on the remove/test/repair/replace process.

    BTW: NEAT TRICK
    I use 8 or 10 inch bolts to allow me to "TEST" the unit in an installed mode but still get access to the wiring. In effect, instaed of being installed FLUSH to the ceiling rack, the bolts allow it to be installed with 8" or access space between the unit and ceiling rack.

  • JimGunther Apr 11, 2008

    By the way - Does anyone know if a SERVICE MANUAL exists for this unit?



    AudioVox would/could not provide me with one or even pages relevant to the volume controls.

    I have the TV on my desk but am reluctant to tear it apart without, even, a basic roadmap....

  • JimGunther Apr 11, 2008

    >>>Didn't find anything about dissassembly or a service manual online.<<<

    Dissasembly is seldom a problem for me, getting it back togeter (without stray parts) is frequently a problem.

    All kidding aside, maybe I'll take some digital photos along the way.

  • JimGunther Apr 11, 2008

    Me too.
    As I said earlier, AudioVox claims THEY don't have one and they outsource all repairs. (As their minumum repair fee exceeds replacement cost, that ensures they'll never ATEMPT a repair.)
    Really crappy business model from the customer's point of view.

  • JimGunther Apr 11, 2008

    An UPDATE: FRIDAY 2:00pm 4/11/08



    Decided (sans service manual) to unscrew the metal bottom (or is it the top) and futz with the area where the volume keypads are located.

    I unscrewed the smaller circut board and found it fairly pristine of dust, dampness or otherwise. The pads, basically, sit on the board and are not connected (per se) in any fashion. They are merely located by the little square holes they sit in.

    Again, I checked the "bottons" for anything obvious and merely rubbed the backs (for luck) and returned them to thier bay. Did the same with the circuit board and screwed it back where it belonged.

    TEST-Reinstalled in the motorhome (with my long bolts - so I could gain acces various plug-in power and sound wires) fired her up - to 100% volume. ****!

    THEN, I utilized the volume keys and found SUCCESS I could raise or lower volume and - MOST IMPORTANT - it would STAY where I left it.

    I let it run for 45 minutes and the sound stayed where it was 'sposed to stay.



    I HOPE it stays fixed. My next move was to -somehow- disable the volume control on the circuit board (at the middle sound level - and I DOUBT I'd be able to do that).

    ---------------

    I'm still pissed at AudioVox.

    I'll never buy another product they distribute (incl Jensen and the rest) if I can help it - because of their lack of even minimal support. This may ALL have been avoided if they allowed customers access to a basic service manual. The only reason I was willing to fiddle with stuff "in-the-dark" was because this was my last try - I had nothing to lose.

    Thanks for the suggestions offered here - 'sorta gave me the courage to try even simple repair. Have a great weekend!

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  • 2,296 Answers

If you are not able to control the volume using the remote or the device manual volume controls, there is something defective inside your unit.

Posted on Apr 11, 2008

  • 1 more comment 
  • Jaime Hernandez Apr 11, 2008

    I would also suggest to check for any loose or broken flex wires that connect the monitor and the amplifier.

  • Jaime Hernandez Apr 11, 2008

    It sounds more like an intermittent or stuck volume up switch if that is happening like that.

    Have you tried changing them?

  • Jaime Hernandez Apr 11, 2008

    I searched for the service manual without any luck. If i come acrross one i will let you know.

    Sorry.

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Does the sound spike no matter what kind of input you are using? At first I was thinking there is a break in one of your input cables. Otherwise it could be a loose component inside that wiggles as the motorhome moves or someone moves around inside, it could also happen to a loose component when the ambient temperature changes.

I would open up the unit and look for any loose components then resolder their joints and see if that helps.

Posted on Apr 11, 2008

  • 5 more comments 
  • Dean Joly
    Dean Joly Apr 11, 2008

    Do you see the volume indicator go up on screen as if you were pressing the remote?



    There is most likely volume control buttons on the unit itself, right? I'm thinking the volume up button on the unit could have a problem, if it internittently gets shorted then the monitor would think the button was pressed. These buttons are most likely on a button board by themselves in the unit, you could disconnect the board to test, only the remote would work in that case but it would pinpoint the issue. Membrane switches sometimes do that where the air cushion inside gets busted and the button doesn't always spring back by itself or can get depressed automatically.

  • Dean Joly
    Dean Joly Apr 11, 2008

    When the volume goes up do you see "Volume ||||||||" or something similar on the screen like you do when you change the volume on most TVs?



    Does it fluctuate both up and down or just up?

  • Dean Joly
    Dean Joly Apr 11, 2008

    It might not be repairable, parts are sometimes hard to get for devices like these. It would probably be easier to find another VOH1502 on ebay, there is often borken ones sold for parts that you could salvage the buttons from.



    To take it apart you will have to dismount it from the motorhome, then there would be screws on the bottom, remove any visible screen and you will be able to remove the bottom. You will then be able to see the boards.



    I've also seen replacement remotes on-line, might be your best bet to disable to buttons all together and buy a remote.

  • Dean Joly
    Dean Joly Apr 11, 2008

    Didn't find anything about dissassembly or a service manual online. It can't be that hard, just keep the screws well organized when you take them out.

  • Dean Joly
    Dean Joly Apr 11, 2008

    I also draw diagrams when I take new things apart sometimes so to remember where things went when I put it back together.

  • Dean Joly
    Dean Joly Apr 11, 2008

    That's a very good idea. Good Luck! Keep us posted and don't forget to rate our solutions.

  • Dean Joly
    Dean Joly Apr 11, 2008

    Congratulations! You're well on your way to electronics mastery. Now it's time for your computer to break ;-)

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  • Master
  • 796 Answers

Actually there would have been some short circuit in the connections...

that would have affected the sound system...
so only you get the spikes.....check for the affected parts and replace them

Posted on Apr 11, 2008

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