A Caution and Warning!

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Transistorized

Member (SA)
Today I thought I really screwed up and ruined my Silver C100. Let me explain. The wife and I were outside under the canopy (as normal) and I was listening to the C100 using my phone into the auxiliary inputs. 93 degrees but tolerable in the shade. We eat lunch. Then in rolls the afternoon storm so in we go.

Later for dinner we grab a pizza and head back home to eat it. The storm is over so I proceed to pop the canopy back up. We eat then decide to head outside to enjoy the rest of the evening. I grab my radio and put it outside to enjoy.

Any of you tech savvy folks see where this is going already? Well I should've. I feel so damn stupid about this also and a little pissed off at myself.

So my radio all the sudden shuts down (audio wise) and erupts into this ear piercing fart snazzled, helicopter sputtering, mouse squealing mess. Meters pegged in all four quadrants. I run up to the radio and switch it off and notice right away that I f'd up.

CONDENSATION from going from an AC cooled home outside in a humid environment. The thing was literally Soaked with condensation inside and out.

So in the house it went. My wife wanted to spend time outside...and I did stay outside with her but all I could think about is whether my issue was going to clear up once it dried out all while stewing inside over why I never gave it a thought. Probably was a little grumpy.

My wife was trying to make me feel better by saying "It will be fine. It wouldn't have lasted over 30 years if it was that petite of a flower". I didn't share her lack of concern as a short circuit somewhere can definitely put an end to new or old equipment.

Anyway, did it get ruined? Well I let it sit for 5 hours and gave it a try. A little staticky on the background hiss. Gave it another 2 hours and checked...seems ok.

So, don't mess up like me. Remember condensation collects on every piece of your box inside ciruits and outside.

This won't be happening to this guy again. I wanted to share this Warning and Caution because this can happen to any of us during the summer months.
 

Dbzerk

Member (SA)
Thanks for the heads up! This has never crossed my mind as something that could happen! Fortunately Melbourne Australia is never humid, so I think my babies are safe.
Sounds like you might need to open her up and deox all the pots again..
Lucky it didnt happen to goldie 😎
 

Superduper

Moderator
Staff member
Not to worry, I often clean my pcb’s in the kitchen sink using detergent, paint brush & spray faucet. This almost always done in summer & I let the boards sun dry immediately afterwards. Never had a problem but didn’t do it to tuner boards which are harder to dry thoroughly, especially those plastic varicaps. In other words, never energize them when wet but they don’t melt in water like the wicked witch of the east either so don’t beat yourself over the head either. Make sure to dry thoroughly & it’s like it never happened.
 

Transistorized

Member (SA)
Dbzerk said:
Thanks for the heads up! This has never crossed my mind as something that could happen! Fortunately Melbourne Australia is never humid, so I think my babies are safe.
Sounds like you might need to open her up and deox all the pots again..
Lucky it didnt happen to goldie 😎
I cringe at the thought my friend. Goldie or the M90..heck all of 'em :lol: I will most certainly be paying more attention in the future.

Superduper said:
Not to worry, I often clean my pcb’s in the kitchen sink using detergent, paint brush & spray faucet. This almost always done in summer & I let the boards sun dry immediately afterwards. Never had a problem but didn’t do it to tuner boards which are harder to dry thoroughly, especially those plastic varicaps. In other words, never energize them when wet but they don’t melt in water like the wicked witch of the east either so don’t beat yourself over the head either. Make sure to dry thoroughly & it’s like it never happened.
Such a relief to hear Norm. When it starting making death noises I could feel the blood leaving my face. Got lots of money and time tied up in this thing. Bet I was as white as a ghost. It is quite alarming when your vintage machine shuts down and makes noises like a circuit bent speak&spell.

I haven't tried it today yet. Seemed fine late last night. I think I found something that screams and yells louder than my dog when it gets wet :lol:
 

MesaAZGuy

Member (SA)
Wow, glad it came back to life. I've gotta use that line "Petite of a flower" as that's funny!
i don't have any issues with condensation living in AZ since its never humid here. Your 93º and humid would be equivalent to our 119º with no humidity. Either one sucks. I'll use my ceiling speakers on the patio when outside by the pool :)
 

Transistorized

Member (SA)
MesaAZGuy said:
Wow, glad it came back to life. I've gotta use that line "Petite of a flower" as that's funny!
i don't have any issues with condensation living in AZ since its never humid here. Your 93º and humid would be equivalent to our 119º with no humidity. Either one sucks. I'll use my ceiling speakers on the patio when outside by the pool :)
Lasonic TRC-920 said:
That's pretty sketchy! Haven't had to deal with that. Hopefully it will never happen again and your box will be ok.
Thanks guys. I am happy to report that Norm (as usual) was correct. Plopped it outside. Let it set in the hot sun for an hour and it played like a champ. To quote the Mythbusters "I'm going to need a grin-ectomy". Just like nothing ever happened.

If I ever notice the windows of my house steaming up on the outside or the exterior of my box starts forming condensation when taken outdoors then the power stays off until it equalizes or inside the house it goes and I'll sit in silence.
 

blu_fuz

Well-Known Member
Staff member
Close call, but I've totally been there. Let it dry for days to be safe and get a fan on it.
 

Transistorized

Member (SA)
blu_fuz said:
Close call, but I've totally been there. Let it dry for days to be safe and get a fan on it.
Thanks Joe. So far it appears to be doing okay. The only thing it does now (but it did it before as well) is it absolutely hates cellular RF or wifi. If you have any wifi or phone data going on at all, it pops and buzzes like crazy on tape and aux.

Short of placing it inside a copper mesh, I really wish we could figure out a solution to that in our homes for our vintage gear. I guess it makes sense that this older tech would experience interference with wifi. Wifi wasn't around or commonly known in the early 80s. I've noticed that newer tech such as the GPO Brooklyn doesn't buzz and pop when around cellular or wifi even in tape mode.

Wonder if a piece of circuitry or shielding could be added to the circuit boards of vintage boxes to get rid of that nuisance?
 
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