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Thread: DM500S shows Frontend: Unknown ( tuner fault )

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    Senior Member Phillip James's Avatar
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    Default DM500S shows Frontend: Unknown ( tuner fault )

    My genuine Dreambox DM500S with ALPS tuner and running Dream release 4.2.0 17.12.2007 is not working.

    If I select "INFO>About", it says Frontend: Unknown.

    I have tried flashing various images and allways Frontend: Unknown.

    What do I do?

    Regards,



Look Here ->
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    Senior Member toor's Avatar
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    apart from that does it still work ?

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    Senior Member Phillip James's Avatar
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    I get screen display, but have no option to configure satellite paramaters, therefore can not scan nor receive anything.

    Regards,

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    Senior Member Phillip James's Avatar
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    When I go to SETUP, there is no SERVICE SEARCHING option.

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    Senior Member z80's Avatar
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    another unearthed lnb by the sounds of things.

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    Quote Originally Posted by z80 View Post
    another unearthed lnb by the sounds of things.
    earthing is just a fable

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    Senior Member cwispy's Avatar
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    Have you been doing a factory reset in the menu after you flashed the images?
    What would you do if your server was stolen or failed beyond repair?
    http://www.2000cn.com.au/shadowprotect.html

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    Senior Member Phillip James's Avatar
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    Cwispy,

    Yes, I have done the factory reset and still "Frontend: Unknown" and no search capabilty or reception.

    Regards,

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    Senior Member z80's Avatar
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    I have twenty alps tuners coming at the end of the week.

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    Senior Member Phillip James's Avatar
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    Z80,

    At what price are you selling the ALPS tuners?

    Regards,

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    Senior Member z80's Avatar
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    $35 is what I think it will end up as.

    But you'd better be good at soldering, have a good desoldering station etc.

    BSBE1-703A ....damn they were hard to source.

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    Quote Originally Posted by Phillip James View Post
    My genuine Dreambox DM500S with ALPS tuner and running Dream release 4.2.0 17.12.2007 is not working.

    If I select "INFO>About", it says Frontend: Unknown.

    I have tried flashing various images and allways Frontend: Unknown.

    What do I do?

    Regards,
    Hey phillip, check the supply voltages leading to the tuner module, In particular the 30v tuning voltage, if not present then still could be the tuner shorted and dragging the rail down, as we are not in the electronics thread I/m not sure you can perform these tasks, If not then perhaps a member can help, z80 do you also provide a service to fit these tuners?.

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    Senior Member z80's Avatar
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    Quote Originally Posted by Polak View Post
    Hey phillip, check the supply voltages leading to the tuner module, In particular the 30v tuning voltage, if not present then still could be the tuner shorted and dragging the rail down, as we are not in the electronics thread I/m not sure you can perform these tasks, If not then perhaps a member can help, z80 do you also provide a service to fit these tuners?.
    I have all the equipment, but would recommend someone who does it for a living instead of a hobby like me.

    Try fernbay,cwispy,thinktank,willecotye,nick1969.

    These guys are the best of the best for repairing stuff here at Austech.
    But respect the fact that they need to make a living and charge a fee.

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    Senior Member Moof's Avatar
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    Quote Originally Posted by Polak View Post
    Hey phillip, check the supply voltages leading to the tuner module, In particular the 30v tuning voltage, if not present then still could be the tuner shorted and dragging the rail down,
    Does anyone know what pins on the tuner has what voltages?

    Z80 do you have a datasheet or pinout for these tuners??

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    Quote Originally Posted by z80 View Post
    BSBE1-703A ....damn they were hard to source.
    Nice, and they should work with the Blindscan app on the DM500S as well. My 500S clone with a 703A works a treat blindscanning!

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    Senior Member z80's Avatar
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    Quote Originally Posted by Moof View Post
    Does anyone know what pins on the tuner has what voltages?

    Z80 do you have a datasheet or pinout for these tuners??


    oh alright, here you go......



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    Senior Member z80's Avatar
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    woops wrong one, here ya go....


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    Senior Member Moof's Avatar
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    Wink

    Quote Originally Posted by z80 View Post
    oh alright, here you go......


    Thanks heaps for that.

    My next question is unless it is a major secret,
    What is the rest of the schematic?? DM500s??

    Is any more of that schematic available to share? As you know even schematics of similar devices using the same components can be very handy.
    Thanks again

  • #19
    Senior Member z80's Avatar
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    Got the whole machine schematics if you promise not to post all over the net?

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    Senior Member z80's Avatar
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    The piece of crap imageshack isnt working now....

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