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Test Equipment Airmec TeleVet 877

Test Equipment

Last Post by Lloyd 2 years ago

5 Posts

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Lloyd

(@lloyd)

Posts: 1994

Prominent Member Registered

Topic starter

This was something I’d been after for a long time! I think I first saw one on the Valve Page, back when I had only just started out messing with old tellys, and I thought it looked brilliant! An all in one telly fixing beast…

Well a beast it is! It wasn’t much fun lugging it back to the 60000 mile away car park at this years RetroTech, it’s rather a heavy lump. Cost me all of £10 from the bring and buy!

So back home with it, and it’s finally gotten near the bench, I opened it up to see what wonders, or horrors were hiding within, someone’s had a damn good go at it before, lots of new caps, and a pair of replacement mains transformers, looking at the manual it should only have one?! One is for the 6.3V for the CRT, and the great big Vortexion badged one does everything else.

Since it looked in good order I decided to just bring it up slowly, all seemed good so it was given full mains and it came up and worked! I had a rather squiffy trace on the little scope screen, which changed depending on the positions of the various controls, then all of a sudden the trace disappeared, and the scale lamp dimmed… shortly followed by the sound of something full of wax ejecting it’s contents!

So off with the case again, and a check of component temperatures with a Mk.I finger, all the caps were cool, although the main smoother had a bulge, it seemed innocent, the large mains transformer was pretty hot! So I guess that is what went splat, but there are no signs of said splattering visible.

I tried connecting a lamp limiter in circuit, with a 100W bulb it lit up brightly, but was flickering a bit, I tried disconnecting the outputs of the transformer one by one, but the bulb remains bright, so looks like the damn transformer’s gone! I’ll see what I e got knocking about in the parts bin, I have a couple of transformer’s from radios, so I’ll see if they are up to the job, if not I guess I’ll have to get it rewound.

Sadly I didn’t get a photo of it working!

Regards,

Lloyd

Posted : 22/05/2023 9:39 pm

slidertogrid, freya and PYE625 reacted

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Cathovisor

(@cathovisor)

Posts: 6730

Famed Member Registered

I remember wanting the companion "Radivet"...

Posted : 23/05/2023 6:50 pm

Lloyd reacted

Lloyd

(@lloyd)

Posts: 1994

Prominent Member Registered

Topic starter

I remember wanting one of those too! I wanted them side by side on the bench, back in the days before it had much of anything on it, apart from a multimeter and my free scope from college!

Posted : 23/05/2023 7:19 pm

Till Eulenspiegel

(@till)

Posts: 4943

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I was upstairs searching for the Tatung Einstein computer I bought in 1984. Found the computer and also an Airmech 877 Televet. I think your instrument is in better condition than mine. Will take pictures of it tomorrow.

Till Eulenspiegel.

Posted : 23/05/2023 8:38 pm

Lloyd reacted

Lloyd

(@lloyd)

Posts: 1994

Prominent Member Registered

Topic starter

Nice! There doesn’t seem to be much about these things on any forum, I guess no one really bothered with them! Mine has some rust spots on the cabinet and nibbles around the edge, but the black front panel looks new, I bet it was bought, used once, probably decided it was rubbish then stuffed in a corner and forgotten about!

Regards,

Lloyd

Posted : 23/05/2023 9:05 pm