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Post by Ron Rich on Aug 28, 2018 16:34:59 GMT
Hi Alan,
The TT should be running, before the record hits it--do not re-call, but I think most RO's run the turntable off the same switch/relay, that starts the "play cycle"--see your schematic ! Ron Rich
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Post by jukenorman on Aug 28, 2018 21:07:48 GMT
Hi Alan, I was looking at a 490 last week with a multitude of problems and among them, the turntable didn't run. In the 490, the turntable power is switched via a triac within the power supply unit. I don't know whether your one is the same? The original documentation came with a large fold out schematic. I am awaiting a copy coming from Stamann in Germany for the 490, it should be here when I get back from holiday. FYI, Stamann is closed for the whole of September.
Norman.
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Post by jukenorman on Aug 30, 2018 11:12:06 GMT
A bit of further clarification, the model 490-1 uses a triac to switch the turntable power. The previous model 490 uses a contact on the play control relay so that's what I expect would have been done on the 480.
Norman.
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Post by alanrubymay on Aug 31, 2018 15:01:22 GMT
Any idea where this is located
Alan
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Post by Ron Rich on Aug 31, 2018 16:44:23 GMT
Hi Alan,
It, as well as information as to which triac is used, is located in your service/parts,manuals, and schematics ! Ron Rich
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Post by alanrubymay on Sept 7, 2018 14:28:38 GMT
Hi Ron I've just managed to get a power switch relay changed it over didn't work any ideas where I might get latch relay it might be that. I wont give in
Alan
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Post by Ron Rich on Sept 8, 2018 13:21:42 GMT
Hi Alan,
I have no idea, as to what, nor why you are "changing relays" ? Are you changing the coils, or the whole thing-- relay coils seldom fail--they can be checked very easily. Most relay contacts can be serviced. As for acquiring parts--see the FAQ's section here, on the forum. Ron Rich
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