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A 9010 o n k y o amp , schematics & help please
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zen
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Join Date:
Apr 2011
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505
#21
01-18-2021, 08:22 AM
Re: A 9010 o n k y o amp , schematics & help please
Hi
Not had a chance to get back to it yet .
Will update , soon as i can
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zen
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#22
01-29-2021, 10:59 AM
Re: A 9010 o n k y o amp , schematics & help please
Managed to acquire another amp .
Swapped out the volume control , to prove beyond any doubt that's the cause of the problem.
Stripped down the control again & this time discovered the issue .
There's a break in some of the tracks , which i didn't notice before ,as they are at the very bottom end where the plastic frame is .
tried to to link , but solder won't take & to be honest wouldn't have worked correctly anyway .
Now need to source correct control .
Can anyone help ?
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zen
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#23
01-29-2021, 12:25 PM
Re: A 9010 o n k y o amp , schematics & help please
17B503 printed on casing , therefore seems to be 50K
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zens electronics
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#24
01-29-2021, 02:59 PM
Re: A 9010 o n k y o amp , schematics & help please
Been doing some detective work of my own.
ALPS RK16812MG seem to cover this range of motor driven potentiometers .
From there i found adding 04YA at the end brings up a 50K type on E BAY .
Ali Express is cheaper though.
Only issue might be is if potentiometer track differs , but at that price , worth a pop.
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petehall347
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#25
01-29-2021, 03:19 PM
Re: A 9010 o n k y o amp , schematics & help please
i have in the past changed just the tracks from a parts unit . also have bought or sent to me for free from the manufacturer .
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zens electronics
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#26
01-29-2021, 04:50 PM
Re: A 9010 o n k y o amp , schematics & help please
thanks for the info pete
Was that on an Onkyo unit ?
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petehall347
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#27
01-29-2021, 04:53 PM
Re: A 9010 o n k y o amp , schematics & help please
Originally posted by
zens electronics
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thanks for the info pete
Was that on an Onkyo unit ?
no it wasn't but was same sort of pot .well the one i used from scrap unit was the same . others were different .
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zen
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#28
01-30-2021, 04:38 AM
Re: A 9010 o n k y o amp , schematics & help please
I suspect Onkyo are quite tight on supplying part to non agents .
Here's the Ali link
https://www.aliexpress.com/item/32805658474.html
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mamartins
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#29
03-09-2022, 05:56 PM
Re: A 9010 o n k y o amp , schematics & help please
Did that worked? My Onkyo a-9010 is with the exact same problem.
Oficial repairer wants 170€ which is almost the same that I paid for it 6 years ago, ridiculous.
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zen
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#30
03-12-2022, 09:15 AM
Re: A 9010 o n k y o amp , schematics & help please
Yes worked a treat
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mamartins
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#31
03-12-2022, 09:59 AM
Re: A 9010 o n k y o amp , schematics & help please
Thank you! Is this the same
https://pt.aliexpress.com/item/10050...rch-mainSearch
?
it says 20mm instead of 25
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zens electronics
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#32
03-13-2022, 01:51 PM
Re: A 9010 o n k y o amp , schematics & help please
Probably best to stick to link i posted , as that one fitted in well .
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mamartins
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#33
03-13-2022, 02:53 PM
Re: A 9010 o n k y o amp , schematics & help please
It's out of stock the one you posted
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