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Subject Author Posted Replies
 
Whose logo is this ?
On a 75mm slider pot from a powered mixer. It's basically a letter "M" , but with the bottoms of the 'legs' curled under towards the middle 'point'. "M" is enclosed in a square with rounded corners....
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SHARP TV, CA10 chassis - lights on, no-one home
This Tv (a CRT SHARP 63DS-05SN), when started form cold, will sometimes work normally, but mostly you get the EHT and heaters on, no audio and a blank raster. raising the SCREEN gives the expected...
 
slider pot mystery
mono slider but 6 pins plus frame anchors 3 of the pins are the pot function , 2 one end and one the other. The other 2 plus 1 are dummies. Inside, the slider is split into 2 . One wiper doing the...
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Yellow Glue strikes again
** I had hoped that the dreaded Yellow Glue peril had gone away - but it is still with us. Most of you will have seen it holding parts down to PCBs on Asian made equipment and many of those will have...
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Why do some manufacturers wrap the electrolytic capacitor that gets the hottest in a switching power supply in shrink wrap?
Extron has been doing this for years and of course it is the first part to fail in their units. Smart Technologies Sympodium power supplies, that they have contract built in China, fail in a year or...
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Tek 7000 Series Fixtures 067-0655-00 vs 067-0589-00 fixtures
We're running through the calibration on our 067-0587-10 Standardizers and they're failing frequency response. All points lead to the 067-0655-00 fixture going bad, which we only have one of. We tried...
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Contactor coil: 50 Hz vs. 60 Hz
NO NO NO! DC excitation of an AC-rated coil is never a good idea. DC coils and DC-activated relays are designed very differently from their AC cousins. vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv...
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t.v. volume remains static.
Panasonic t.v., TC 20RA10LP.I replaced the audio ic ,an7523n,and the t.v now has sound but the sound/volume remains at one pitch. whenever I press the volume button whether up/down the volume remains...
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Tektronix 7603
The old 7613 died. The power supply has a problem and I suspect something is shorted somewhere. So I ran across a 7603 on craigslist cheap, but with no plugins. So I figured there ya go, I don't have...
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Black Body Information and For Sale
I know this is not a For Sale Group,,,what I really need is information,,th= en perhaps I can do the forsale thing on a physics,forum/place// For years = I have collected alumunium ,copper,nickel...
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3
 
Microwave diode bad?
I have an older, 1998 GE Microwave oven. By the LG parts inside, probably just a rebadged LG. Lately, it's tended to 'thunk' when the magnetron turns on. A few times, it started rapidly cycling. Once,...
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8
 
OT: Tek 465
Just bought a Tek 2246 on the 'Bay. This means the 465 will probably need to be sold, assuming the new one is OK and all. I would entertain serious offers from the good folks who know me here on the...
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JVC HRS-5967EK wont play tape
I have this VCR, when you insert a tape the guide poles move forward and then you get a ticking noise in the mechanism and motor.
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Hello Kitty Toaster
This toaster: is supposed to burn a Hello Kitty face on one side of the bread, but it can't do that unless it's set so high that the other side (the non- Kitty side) of the bread burns. Is there any...
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Wanted: Vintage Tektronix Test Equipment
Hello Everyone, I'm on the hunt for some vintage Tektronix test equipment (400-series and 500-series oscilloscopes, calibration equipment, etc.) Ideally, I'm looking for vacuum-tube and...
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