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Mcs 3233

starcopy said:
So that's where all that noise/hum was coming from. I agree completely with you BTW. It's just a quick temporary hookup so I could easily test the TT (just acquired), check out the condition of the cart/stylus, and see if it would make a good gift for my daughter. And I believe the 3233 can also generate some heat -- I've read at least two AK posts where a 3233 owner rigged a fan (inside/out) to keep the innards a bit cooler. I'm surprised at how many people DO place their TTs on their receiver longterm to save space. What about placing a tuner on top of a receiver LOL? Thanks for posting. Have a good weekend.
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Same way with a tuner. It blocks air flow, and is an "antenna" itself that can pick up extraneous RF noise. But most tuners are well shielded and the AUX input isn't as sensitive as a Phono is. A fan isn't needed if the recommended clearances are met to allow proper air flow.
 
Skywatcher said:
Same way with a tuner. It blocks air flow, and is an "antenna" itself that can pick up extraneous RF noise. But most tuners are well shielded and the AUX input isn't as sensitive as a Phono is. A fan isn't needed if the recommended clearances are met to allow proper air flow.
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I was aware that using a TT on top of a receiver was not ideal. But did NOT know that these units placed on (or near) a receiver were actually acting as antennae. I was sorta stunned when I deliberately, slowly lifted that Pioneer TT up off the 3233 -- and the hum never disappeared until I had the TT "hovering" at least a foot above. Certainly proved your point. Thanks for sharing all that good info.
 
Mcs 3233 ebay purchase. Turned on but blew both speaker output fuses twice so I pulled them out and turned it in again with the main fuse in and it started smoking ....
 
Sounds like you have a shorted output transistor. Need to check the transistors and build a dim-bulb-tester to check voltages for the next time it's powered on.
 
Ok I am going to build one this weekend. Had to google how to do it . My grandfather mentioned a long time ago having one and it was lost somewhere in the garage .. thank you for the advice Del
 
The easiest way to build one is to cut an alligator jumper in half and solder each half to the bulb contacts, and electrical tape over it to prevent shocks. Then just clip the leads across the power switch or across an empty power fuse holder. The power will be forced to flow through the bulb and limit current.
 
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