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Old 11-16-2016, 06:15 PM   #1
Nitro468
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Default Sirius SP4 (Sportster)

I had a functioning SP4 till today... Boots to the splash screen then hangs..I can get to the menu options and my radio ID is blank... It is stuck on channel 184, spinning the knob does nothing, it will not direct tune to any channel..

I can and did a "factory default" to no avail..

Anyone have any suggestions ?

I got the unit as a trade for some work. It sat in his daughters closet for 2 years, its a car/desk/boombox unit... The subscription ran out and it was never deactivated... Otherwise I would just buy another unit for cheap...
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Old 11-16-2016, 06:24 PM   #2
stj
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Default Re: Sirius SP4 (Sportster)

has it got a lithium battery in it for keeping data in the ram?
sounds like it could be a suicide circuit involved!
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Old 11-16-2016, 07:42 PM   #3
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Default Re: Sirius SP4 (Sportster)

Interesting thought, haven't cracked it open yet.....From the research I have done, most of the units just plain suck... Mine runs hotter than I think any electronics should....
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Old 11-16-2016, 08:06 PM   #4
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Default Re: Sirius SP4 (Sportster)

Cracked it open, no battery. At 1st glance everything looks good... Not at work, lighting here sucks... Cant find any service manuals or schematics after an hour of looking...
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Old 11-17-2016, 03:10 AM   #5
mmartell
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Default Re: Sirius SP4 (Sportster)

Sounds like it was desubbed but something went wrong.
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Old 11-21-2016, 09:52 PM   #6
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Default Re: Sirius SP4 (Sportster)

I don't think its de-subscribed, otherwise it would preview, change channels, and at the very least display its unique ID#.
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