I have a Sansui G-7500 purchased new in 1978 with intermittent (dirty)
volume & tone controls and
intermittent or dirty switches which cause the output signal to cut in and
out. I've tried cleaning them from inside, but most of these parts look as
though you'd have to destroy them to disassemble them. Does anyone know if
replacement parts are available?

Thanks.

Ed P.

Ed Petruskavich wrote:
I have a Sansui G-7500 purchased new in 1978 with intermittent (dirty)
volume & tone controls and
intermittent or dirty switches which cause the output signal to cut in and
out. I've tried cleaning them from inside, but most of these parts look as
though you'd have to destroy them to disassemble them. Does anyone know if
replacement parts are available?
Thanks.
Ed P.

I don't know if these guys can help but it's all I've found that
discusses the older Sansui equipment. They do have a parts link.

http://www.sansui.us/

David

Ed Petruskavich wrote:
I have a Sansui G-7500 purchased new in 1978 with intermittent (dirty)
volume & tone controls and
intermittent or dirty switches which cause the output signal to cut in and
out. I've tried cleaning them from inside, but most of these parts look as
though you'd have to destroy them to disassemble them. Does anyone know if
replacement parts are available?

Thanks.

Ed P.


Parts are gong to be about impossible to find for a old beast lie that.
The Sansui that made it is long gone. (not to be confused with the
sansui named junk out there now).

The best you can do is use something like caig labs pro gold contact
cleaner/lube on the pots. On the tape monitor switches and such that
are sealed, i have a trick i developed to get cleaner into them.
I use a thin long tipped solder pencil and burn a hole into the back
plastic of the control. You have to work the control in and out
to prevent the melted plastic from jamming the control. Then squirt
contact cleaner into the hole and work it in and out.

The caig stuff is NOT cheap, buts its the best you can get.
Don't even think about cheap generic tuner cleaner or WD40.

Bob

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Greetings all.

In article ,
says...

The best you can do is use something like caig labs pro gold contact
cleaner/lube on the pots. On the tape monitor switches and such that
are sealed, i have a trick i developed to get cleaner into them.
I use a thin long tipped solder pencil and burn a hole into the back
plastic of the control.

I've been doing that, but rather than melting a hole in the housing I drill a
small (wire guage) hole in it with a very small hand drill. Only thing one has
to be careful of is not drilling too deep! Caig De-Oxit works well too...

--
************************************************** ******
* Best regards
* Marc Lewis, C.E.T.
* Senior Technician - Audio
* McCann Electronics
* Your Prime Choice for Professional Electronic Repairs.
* Visit us at http://www.mccann1.com
*
************************************************** ******

Marc wrote:
Greetings all.

In article ,
says...


The best you can do is use something like caig labs pro gold contact
cleaner/lube on the pots. On the tape monitor switches and such that
are sealed, i have a trick i developed to get cleaner into them.
I use a thin long tipped solder pencil and burn a hole into the back
plastic of the control.


I've been doing that, but rather than melting a hole in the housing I drill a
small (wire guage) hole in it with a very small hand drill. Only thing one has
to be careful of is not drilling too deep! Caig De-Oxit works well too...

The reason i don't drill is that its more likely small drill shavings
can get loose inside the control. If you melt and push the control, the
excess stays in a lump at the end of the control. Bottom line is what
ever method works for ya.

Bob

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