[Nick R]

Cheers, yes it is on all inputs. So I’ll look at the joints and connectors upstream.

[Nick R]

Well I flushed it with contact cleaner and it works a lot better. Not perfect but it now unlatches 9 times out of 10, which is much better than none out of ten.

Now I have the next problem. With the switch set to mono I get sound through both channels, the balance , bass and treble sliders work perfectly with only a hint of scratchiness.
But when I switch to stereo, the left channel is completely dead, but the right continues to work fine. The balance slider still fades out the right channel but nothing from the left. Same story on phono, fm or am, right is normal, left dead. Switch back to mono and both channels perfectly fine.

Anyone experienced this or have any ideas? I’d start by cleaning and checking the sliders but I can’t work out how to release the panel!

[Nick R]

Cool cheers, I’ll give it hell with some contact cleaner and see if that loosens it up.

[Nick R]

Hi Dillen, thanks for your reply.
It looks like I have the kind that is not easily disassembled, I couldn’t see any way to do it without breaking the plastic.
I’m not sure where or how to get to the contacts, they seem buried in the unit. And anyway the actually switches works fine, the problem is some of them don’t unlatch when you push the off button. To me that suggests there’s some spring loose or maybe some cam or latch that needs tending to.

do you know if these two kinds of switch bank are I interchangeable ? If I found a replacement does it have to be the same kind?

cheers!

[Author]

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