Radio problem
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Thread: Radio problem

  1. #1
    FOUNDING MEMBER
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    July 29th, 2004
    Location
    Sunnyvale, CA
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    Radio problem

    Has anyone had this problem with their radio?

    i have a 2001 HSE, i believe the actual head unit is an Alpine unit with HK speakers...

    anyway when i start the car, the radio makes a couple "scratchy click" noises ... then no matter what i listen to (AM, FM, CD, tape player or Navigation voice) all audio coming from the speakers is full of static. i can still hear music/voices... its just the level of static is way more then the level of desired music.

    i can turn up the volume so i can hear music at a decent level, its just the level of static is always more... making listening to the radio useless.

    has anyone had this issue? is it the amp or actual head unit?

    thx
    Ken N.
    2001 P38A, 4.6 HSE
    95 DI

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  3. #2
    JUNIOR ROVER
    Join Date
    April 24th, 2006
    Location
    Northern California
    Posts
    637
    I had a similar problem but it was more of a high pitched whine than static. I isolated it but using the balance and fader to determine it was coming from the drivers door speakers. I pulled the door panel, disconnected the speakers, and the sound stopped. Then pulled off all of the tape binding the wire bundle and didn't find anything wrong but lots of trapped moisture. Once everything dried out, the interference went away. I re-bundled all the wires using zip ties so that water wouldn't get trapped inside. So far, it hasn't reoccured.
    If it turns out to be your head unit, Roverville does good work for a reasonable price and they're fast.
    http://home.valornet.com/splacket/roverville_US.htm
    Good luck.
    '99 Range Rover HSE
    '02 Audi S6

  4. #3
    FOUNDING MEMBER
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    Hey Norcal

    was your problem isolated to one speaker? my problem happens across all speakers. so im not sure our issues are the same... but... it did rain the other day so maybe moisture is the problem????
    Ken N.
    2001 P38A, 4.6 HSE
    95 DI

  5. #4
    JUNIOR ROVER
    Join Date
    April 24th, 2006
    Location
    Northern California
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    637
    Yes, it was isolated to the driver's door tweater and mid. Have you tried turning the sub all the was down to eliminate that?
    '99 Range Rover HSE
    '02 Audi S6

  6. #5
    FRESHMAN ROVER
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    August 10th, 2006
    Location
    Bahrain, Middle East
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    scubaman,

    My 2001 30th Anniversary Edition has almost the same problem as you, except it's all of the rear door and subwoofer speakers that are affected with interference / static, the front door speakers still work fine. At least I can turn the fader to 100% front bias and still listen to music.

    The only thing I've tried so far is to remove & reinsert fuses 1 & 8 in the BECM and the electrical connections into the back of the head unit - this made absolutely no difference.

    From what I've been able to find out so far, there is one DSP amp which is located behind the trim panel behind the subwoofer in the loadspace. Earlier model years had individual amps within in each of the doors. My next task is to check the electrical connections to the amp, and also look for a bad ground.
    Regards, Big Red.

    2001 P38a 30th Anniversary
    2003 Disco 4.0 V8i

  7. #6
    FOUNDING MEMBER
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    FYI: dropped it off at the dealership this morning... Service tech says that its prolly one of the following.

    1. Bad ground
    2. Bad Amp
    3. Bad radio head unit

    ill let everyone know what the problem was when i get it back.

    just to be clear here are my symptoms.

    Upon starting the car, a few loud'ish scratchy pops come out of the speakers... after a couple of seconds you can hear music out of the speakers (CD player, Tape, Radio) but the sound of the music is low and the sound of the static is louder. Sound and static come from all of the speakers.
    Ken N.
    2001 P38A, 4.6 HSE
    95 DI

  8. #7
    FOUNDING MEMBER
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    July 29th, 2004
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    Follow up...

    Service tech did rule out a short or ground problem. But the service tech couldn't isolate the problem to either the Radio head or Amp... so they ordered both a new Radio head and Amp and will both out on Monday to see where the problem is.

    so i'm without a radio till Monday evening
    Ken N.
    2001 P38A, 4.6 HSE
    95 DI

  9. #8
    FOUNDING MEMBER
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    alright, radio static problem resolved....

    replace the amp and my radio is like new again!!!

    so if anyone else has the mysterious "static" in your speakers issue, replacing the amp seems to have fixed it.

    NOTE: its not a cheap repair.

    $109.60 Labor
    $601.22 Part
    --------------
    $49.60 Tax
    ========
    $760.42 Total



    thx god for warranties because if i didnt have one, for $760 i might have opted for a 3rd party stereo
    Ken N.
    2001 P38A, 4.6 HSE
    95 DI

  10. #9
    FRESHMAN ROVER
    Join Date
    August 10th, 2006
    Location
    Bahrain, Middle East
    Posts
    67
    scubaman,

    Good to hear you've got tunes again. Was physically replacing the amp the only way to pinpoint the problem?

    I had a similar 'static' or 'interference' problem to you - now I can't hear anything from any of the speakers!! The head unit switches on and lights up as normal, all the buttons works and I can adjust all the settings, just with no sound.

    I'll be checking out the connections to my amp first - if it's some electronic wizardry that's failed, I guess there's little alternative other than to replace the amp.

    If only I had a warranty......
    Regards, Big Red.

    2001 P38a 30th Anniversary
    2003 Disco 4.0 V8i

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