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  1. Replies
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    Hi th37sk, See ...

    Hi th37sk,

    See

    https://www.austech.info/showthread.php/113311-Old-UEC4121-glitching

    https://www.austech.info/showthread.php/116065-uec-dsd-4121-rebooting-constantly
    ...
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    Plenty of us out here with VAST and Sky Muster,...

    Plenty of us out here with VAST and Sky Muster, with no quota to run Netflix in your wildest dreams.
  3. It'll be the SMD caps on the main board. See...

    It'll be the SMD caps on the main board.

    See this thread. https://www.austech.info/showthread.php/113311-Old-UEC4121-glitching
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    SMDs off. PEC 3 - 100uF 16v PEC 4 - 100uF...

    SMDs off.

    PEC 3 - 100uF 16v

    PEC 4 - 100uF 16v

    PEC 6 - 220uF 16v

    https://s5.postimg.cc/ejk5u0oif/SMD_off_crop.jpg
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    Here is a shot of the main board showing the...

    Here is a shot of the main board showing the offending SMDs.

    See bottom left above the RF cage.

    2 x 16v 100uf

    1 x 16v 220uF

    https://s5.postimg.cc/pf6ybop85/Main_Board.jpg
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    Yes heat appears to be the catalyst. Well done.

    Yes heat appears to be the catalyst.

    Well done.
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    Some pics would be great. How did you...

    Some pics would be great.

    How did you determine that these caps were the culprits?
  8. I agree ... with the wisdom of a little more...

    I agree ... with the wisdom of a little more time.

    My problem is not PSU related.

    Something is 'breaking down' after a while; it's heat related ie after 30 - 60 minutes or so the problem kicks...
  9. OK. Had a chance to poke around the various...

    OK.

    Had a chance to poke around the various threads and elsewhere and compiled this DSD 4121 SMPS overview. Thanks to many.

    https://app.box.com/s/xx3vic8wig1qnxmvalzrr690i2l3m9r2 (pdf)

    For...
  10. Quick question. Is there a detailed circuit...

    Quick question.

    Is there a detailed circuit diagram / schematic available for the UEC DSD 4121?

    Or a list of 'necessary parts', as I don't have the box with me atm?
  11. Thanks. I'll have a look and report back in...

    Thanks.

    I'll have a look and report back in due course.

    Cheers
  12. UEC DSD 4121 digital performance degraded - after a long time :)

    Hi,

    Long time no visit. :)

    I've had a UEC DSD4121 ... since forever. Rather remarkably it has performed more or less reliably until the last couple of months or so.

    1. Occasionally it...
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    Tks Tiny, I hadn't realised that these style...

    Tks Tiny,

    I hadn't realised that these style of finders can be tuned to any active TP + Symbol rate.

    Most excellent.

    Cheers
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    Ah. Neutered by legislation. :)

    Ah.

    Neutered by legislation. :)
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    Just out of interest, what TP Freq do folk use to...

    Just out of interest, what TP Freq do folk use to lock onto Optus C1/D3, using the SF 500/ 600 or any other DVB S2 finder.

    VAST is vertical (only) and according to LyngSat uses the following...
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    VAST STB and tuning Free C1/D3 channels

    Hi,

    Do any of the VAST STB's on the market provide for tuning of FTA channels.

    Nothing useful on Optus C1/D3, apart from Al Jazeera.

    But there's other Ku band satellites with FTA (but again...
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    Did someone say ... free?

    Did someone say ... free?
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    Yup same here NSW mid north coast. I went to bed...

    Yup same here NSW mid north coast. I went to bed and all OK this morning

    Appears that the carriers were down?

    Thought the Tom Toms would be beating hard this morning?

    Cheers
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    Certainly ... much quicker!

    Certainly ... much quicker!
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    Thanks guys 42

    Thanks guys

    42
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    Thanks Smacca, You can probably help me with...

    Thanks Smacca,

    You can probably help me with the LCN local vs Interstate so that I can make it tidier for national consumption? :) Note: I'm learning as I go. I'm way out of my depth here.
    ...
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    Radio services on the Viewer Access Satellite...

    Radio services on the Viewer Access Satellite Television (VAST) platform

    Here is my attempt using the sources above, an STB and ... intuition for my location, Gloucester NSW, 'South Eastern...
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    Ah of course. :) Chill...

    Ah of course. :)

    Chill

    Pop Asia
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    Thanks Smacca 'n nbound. 'Twas a list of...

    Thanks Smacca 'n nbound.

    'Twas a list of LCN's I was after. :)

    Interesting that Wikipedia is the only/best source for this info.

    I'll have a play and build the complete table, unless you...
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    List of VAST radio channels???

    Is there a nice printable channel <-> station list/guide for VAST radio?

    There is a tidy readily printable on an A4 page list at 'sattvguide' here (scroll down) for TV channels.
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