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Monster Power HTS5100 dead...need help diagnosing
Monster Power HTS5100 dead...need help diagnosing
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Old 9th November 2017, 02:40 PM   #1
chromenuts is offline chromenuts  United States
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Default Monster Power HTS5100 dead...need help diagnosing

HTS-5100

It died the other day. No idea why.


EDIT:

It was a bad transformer on the power board.

Had done some testing on it based on a repair video I came across for another 5100. There was no proper voltage at the secondaries.

Once I got it off the board I confirmed the primary had no resistance at all and must've failed internally.

I replaced it with the smallest torroid I had lying around (120/2X15 80VA) that measured just short of 18V on the secondaries when I powered it up on the bench.

I hooked it up to the board mains inlet and wired the secondaries in parallel for a test. It fired right up.

I had to get creative and jack the board up with more stand offs so I could tuck the bigger tranny in underneath. Good to go.

If I had never found this forum and started messing around with DIY 10 years ago, I probably never would have been able to fix it. Thanks DIYAudio!

Last edited by chromenuts; 12th November 2017 at 03:15 AM.
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Old 9th November 2017, 02:57 PM   #2
chromenuts is offline chromenuts  United States
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Can't upload pics no matter what I try. Tried phone with only one DIY tab open, just keeps failing. Not even getting an error message from the site now...just a lost network message. My network is up and operating fine. What gives?
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Old 9th November 2017, 03:25 PM   #3
jazbo8 is offline jazbo8
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Monster Power HTS5100 dead...need help diagnosing
Try rebooting the iPad. If it still does not work, clear your browser's cache. Also, note there is a size limit on the images, make sure you are not exceeding it.
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Old 9th November 2017, 03:40 PM   #4
chromenuts is offline chromenuts  United States
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Default Pics

Rebooted phone and uploaded one pic at a time. Thanks.
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Old 12th November 2017, 03:22 AM   #5
chromenuts is offline chromenuts  United States
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Default Fixed!

Happy pic
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Old 12th November 2017, 04:52 AM   #6
RNMarsh is offline RNMarsh  United States
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Monster Power HTS5100 dead...need help diagnosing
Hello,

As the principal architect for all Monster power products, you have one of their best models. Only the -7000 is better. Can you tell me your impression of with it and without the -5100?

[Good trouble shooting. Transformer failure is very rare]

Sincerely,
Richard Marsh
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Old 13th November 2017, 11:27 PM   #7
chromenuts is offline chromenuts  United States
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I'm not sure I am the person to ask such a question. I have far from golden ears.

I purchased the 5100 used for about $200. It was a more logistical decision. My system had grown, and I needed at least the 10 outlets the 5100 offered. I didn't like the idea of chaining together power strips. I would not have purchased it new. My budget would not allow.

I read some reviews about it I'm sure, although I can't recall any details. I trusted it would give me surge protection as well as or better than power strips.

I also hoped it would prevent any horrible noise from either the furnace, refrigerator etc. when they cycled on if I was listening to music. I'm fairly sure it does, although I do use an isolated 20Amp circuit that nothing else runs on directly that was originally installed for a large AC unit.
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