Hello everybody.
I bought a PYE TS6 stereogram today.
About 67 68 model.
So I brought it home ,radio works, turntable works, record loader works , auto works .
All good, but as usual only sound coming out of one channel,, Arrrrrr this problem haunts me and follows me with all that I buy. Its Worse than my ex wife.
Anyway I stuck my head in the chassis to check the wiring and look at the Amp, but before I had a chance to look at the Amp etc etc ,,,I noticed what we call in my trade Galvanic corrosion between the brass and Alloy plate in the Tuner. I Also notice white mould build up in the chassis, particularly around the Aerial.
So before I go blaming the Amp for the channel problem I want to clean up the complete circuit board in case its just dirty mould ,flux and galvanic,,,causing the channel problem as well.

So whats the best circuit cleaner to use ?
In the past I have gone to Jaycar and they only seem to carry their own type brand and I was not very impressed with the job it did in the past.
So which one and where do I buy it?
Please give me your opinion, Thank you pete

We used to use Freon to clean circuitboards, until the ozone hole scare when it was banned.

CRC's CO cleaner does a reasonable job but be aware it is flammable. It may contain ether.

CRC also make motor winding varnish, the clear one is what most circuitboards are coated with these days, and what should be re-applied after a repair.

Lanotec make products from lanolin (in sheeps wool) if you want a corrosion resistant coating which has very good electrical insulating properties. Some products stay tacky and others set harder. Their A type grease is good for just about everything too, but it turns black when it is worked. We use these products in the food industry. I wonder if their citrus cleaner is any good for circuitboards?

I use this:-

http://au.element14.com/electrolube/uls400d/ultrasolve-400ml-aerosol/dp/298207

Can also get it from WES/Wagner.

Ben

A mate of mine who works on old PCBs every day uses truckloads of this:

http://au.element14.com/electrolube/flu400db/fluxclene-can-aero-brush-400ml/dp/725663

Electrolube makes a range of solvent type cleaning products.

Hi all, Thank you those are all good leads and tomorrow I will chase it up, I dont normally even look at PCB"s , as I like the older stuff but I'm hoping it just needs a good clean up, thanks again ,,pete

Update,,,i can get it at Brookvale,,nice and close thanks again,,pete