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Old 6th March 2011, 10:04 AM   #1
marko is offline marko  United Kingdom
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Default trouble shooting Soundstream Continuum.

Hi all, got a replacement board for my project Continuum, board needs a bit of work and currently working on the PS side of things, the PS seamed fine before i replaced C907 and C908 and then started drawing big current!

i bought the board as faulty board and someone has already taken parts out and such, needs outputs/driver boards and the like but stripped all the bad ones out for now..
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Old 6th March 2011, 04:13 PM   #2
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Does it stop pulling current if you remove the capacitors?
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Old 6th March 2011, 04:14 PM   #3
marko is offline marko  United Kingdom
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with those 2 little caps removed it pulls 0.9amps..
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Old 6th March 2011, 04:49 PM   #4
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Do you believe that the caps were the problem?

I don't see any pads in the photo. Were they SMD caps?

Are you sure that capacitors were supposed to be there?
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Old 6th March 2011, 05:47 PM   #5
marko is offline marko  United Kingdom
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Quote:
Originally Posted by Perry Babin View Post
Do you believe that the caps were the problem?

I don't see any pads in the photo. Were they SMD caps?

Are you sure that capacitors were supposed to be there?
yes, i have my other (really blown!) spare board here i'm using for reference/spares, they are little yellow caps and one blew as well. i've now removed the caps and a further bad FEB. the amp turns on and straight away pulls around 6amps then declines to a turn off very fastly (not in protection, just nothing)

got a schematic here if you havn't got one? i noticed the fen16dt's have been sub'd out for NTE6244, not sure if this is correct??

Mark.
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Old 7th March 2011, 02:28 AM   #6
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I don't have the diagram. Please send me a copy.

Are the caps that you installed shorted?

Can you post a clear photo of them? Set the camera to super macro (hold the macro button down for a few seconds).
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Old 7th March 2011, 04:42 AM   #7
marko is offline marko  United Kingdom
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Quote:
Originally Posted by Perry Babin View Post
I don't have the diagram. Please send me a copy.

Are the caps that you installed shorted?

Can you post a clear photo of them? Set the camera to super macro (hold the macro button down for a few seconds).
it's actually the schematics for the 705s but so far i don't see any difference in board layout of parts.. i'll sort out the close up pic later after work

not sure how ro send the document to you but my email addy is markshutt70 (at) gmail.com
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Old 7th March 2011, 04:57 AM   #8
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I have the 705S.
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Old 7th March 2011, 05:03 AM   #9
marko is offline marko  United Kingdom
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they're located on page 2 of the schems and to the right next to an IC which has something to do with the sub channel? maybe i should strip that channel out and go from there?

it's very strange as i'm one step back from where i was before i re-installed those 2 caps! (amp won't even stay on now)
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Old 7th March 2011, 05:05 AM   #10
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Are the rectifiers still out of the amp?
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