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Post new topic Profex II...no output
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Author Topic:  Profex II...no output
Rene Brosseau


From:
Chatham,Ontario, Canada
Post Posted 10 Nov 2017 5:55 pm     Reply with quote

My unit was working fine until I didn't use for almost 2 yrs...took it out & used it for a few days until I lost output volume,on & off for a couple days,like some one physically turned the output knob off, then nothing...local tech says everything works up to the output...battery needed a bit of cleanup, but that didn't help...so not woth the labour to find problem & perhaps not find the parts.
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Franklin #130, Melobar Skreemer, Wechter Scheerhorn Resonator, Nashville 112, Boss DD 3, steel driver 11,samson wireless...
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Lee Barber


From:
Sweeny, TX, USA
Post Posted 29 Nov 2017 5:27 am     Reply with quote

Contact Ken Fox. Search his name under search and arthor. He is all over the forum and a great guy.

http://foxvintageamps.com/

If you send it to him he can put his battery mod in it, big plus.
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Fessenden, Emmons PP D10
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Jack Stoner


From:
Inverness, Fl
Post Posted 29 Nov 2017 5:54 am     Reply with quote

If the battery was corroded, very good chance it damaged the printed circuit board. Could very well be the source of the problem. Depending on damage on whether the board can be repaired.
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Lee Barber


From:
Sweeny, TX, USA
Post Posted 29 Nov 2017 6:59 am     Reply with quote

My battery had corroded, Ken took care of it. But true if the board is damaged he may not be able to fix it. Can't find out if you don't get it to him.

We don't know that is the problem.
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Fessenden, Emmons PP D10
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Rene Brosseau


From:
Chatham,Ontario, Canada
Post Posted 29 Nov 2017 7:49 am     Ok Reply with quote

OK...thanks for the advice
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Ken Fox


From:
Nashville, GA USA
Post Posted 2 Dec 2017 9:26 am     Reply with quote

More often than not the ones I repair have this issue. The output mute section is stuck on. I have to pull the board top and bottom covers, clean the front and back of the board with a toothbrush, water and baking soda. Dry completely after that and test again. Sometime it requires several cleanings and other parts replaced, such as the 10k and 1 meg resistor near the battery
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http://foxvintageamps.com/
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Mark Robinson


From:
North Carolina, USA
Post Posted 17 Dec 2017 3:17 pm     Reply with quote

Ken Fox wrote:
More often than not the ones I repair have this issue. The output mute section is stuck on. I have to pull the board top and bottom covers, clean the front and back of the board with a toothbrush, water and baking soda. Dry completely after that and test again. Sometime it requires several cleanings and other parts replaced, such as the 10k and 1 meg resistor near the battery



Ken, are you available for ProFex repair work?
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Mike Brown


From:
Meridian, Mississippi USA
Post Posted 18 Dec 2017 11:37 am     Profex II Reply with quote

Or you can call the manufacturer at 1-877-732-8391.
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