Cleaning dirty tape monitor switch.

darren.thomason · 2nd June 2008, 04:08 AM

Hello
I have been having a reoccurring problem with my solid state Pioneer SX-3700 stereo receiver. When listening to music the left channel cuts out. i have traced this problem to the tape monitor switch. Since I am a total newbie, is there any online resources that show or explain how to clean a dirty switch??
much appreciated
darren.

gmphadte · 2nd June 2008, 04:28 AM

Rough handle it (the switch). This will wipe/rub the contacts.

The older cassette recorders had a multicontact changeover switch for recording, which sometimes created problems for playback as it is mostly left idle as people rarely use record button. I used to solve this problem by pressing the record button a few times. This action rubbed the contacts.

Other pro methods are not advised for a novice.

Gajanan Phadte

Mooly · 2nd June 2008, 07:11 AM

Not dry joints underneath ? O.K. try WD40 or similar. Flood the switch, try and squirt into any openings ( try not to get it all over

) and work the switch to and fro. Use paper towel around it to help overspill.
It's either that or replace the switch. It will work

2nd June 2008, 04:08 AM	#1
darren.thomason diyAudio Member Join Date: Oct 2007	Cleaning dirty tape monitor switch. Hello I have been having a reoccurring problem with my solid state Pioneer SX-3700 stereo receiver. When listening to music the left channel cuts out. i have traced this problem to the tape monitor switch. Since I am a total newbie, is there any online resources that show or explain how to clean a dirty switch?? much appreciated darren.

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2nd June 2008, 04:28 AM	#2
gmphadte diyAudio Member Join Date: Jul 2003 Location: Dona paula, Goa	Rough handle it (the switch). This will wipe/rub the contacts. The older cassette recorders had a multicontact changeover switch for recording, which sometimes created problems for playback as it is mostly left idle as people rarely use record button. I used to solve this problem by pressing the record button a few times. This action rubbed the contacts. Other pro methods are not advised for a novice. Gajanan Phadte

2nd June 2008, 07:11 AM	#3
Mooly diyAudio Moderator Join Date: Sep 2007	Not dry joints underneath ? O.K. try WD40 or similar. Flood the switch, try and squirt into any openings ( try not to get it all over ) and work the switch to and fro. Use paper towel around it to help overspill. It's either that or replace the switch. It will work