RE: It's a matter of degree

Posted by Michael Samra (D) on July 21, 2016 at 10:00:19

In Reply to: It's a matter of degree posted by Triode_Kingdom on July 21, 2016 at 08:10:42:

Here's the thing..Back in the late 80s and early 90s,VCRs like TVS have been for years before,had gone to a switch mode power supply.The switching noise from the SMPS hasn't gotten into those circuits and with TVs and VCRs,we have RF,video,audio,and even an AGC delay line, all enclosed in a small area. This does show that a SMPS can be properly implemented to do its job but again,they were using shielding and small chokes on the main rail. This is why I think would be fine but I won't say for sure.
Notice on this VCR that the guy is working on,no longer has the switch mode supply separate with a shield.It actually part of the same board.

"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

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Follow Ups Full Thread

Topic - Ok Peeps,I've been watning to show these power-supply modiules - Michael Samra 23:01:07 07/19/16 (17)

Here is a video that Dave did on the 70 watt 450v unit and - Michael Samra 13:03:02 07/20/16 (0)

Switchers - Triode_Kingdom 12:14:55 07/20/16 (8)

That's true but,you can filter them and I wll demonstrate that - Michael Samra 12:59:19 07/20/16 (7)

It's a matter of degree - Triode_Kingdom 08:10:42 07/21/16 (3)

RE: It's a matter of degree - Michael Samra 10:00:19 07/21/16 (2)

RE: It's a matter of degree - gusser 11:38:40 07/21/16 (0)

RE: It's a matter of degree - Triode_Kingdom 11:24:42 07/21/16 (0)

RE: That's true but,you can filter them and I wll demonstrate that - Tre' 13:48:38 07/20/16 (2)

RE: That's true but,you can filter them and I wll demonstrate that - Michael Samra 16:42:18 07/20/16 (1)

I'm sorry, the air borne stuff is called "kief" not hash. - Tre' 21:20:21 07/20/16 (0)

RE: Ok Peeps,I've been watning to show these power-supply modiules - PakProtector 09:25:41 07/20/16 (2)

RE: Ok Peeps,I've been watning to show these power-supply modiules - Michael Samra 11:20:34 07/20/16 (1)

RE: Ok Peeps,I've been watning to show these power-supply modiules - PakProtector 13:12:05 07/21/16 (0)

RE: Ok Peeps,I've been watning to show these power-supply modiules - FenderLover 07:04:30 07/20/16 (1)

RE: Ok Peeps,I've been watning to show these power-supply modiules - Michael Samra 11:22:20 07/20/16 (0)

what are they? - RayP 06:14:29 07/20/16 (1)

Ebay and they are cheap - Michael Samra 12:15:00 07/20/16 (0)

Follow Ups

RE: It's a matter of degree - Michael Samra 10:00:19 07/21/16 (2)

RE: It's a matter of degree - gusser 11:38:40 07/21/16 (0)

RE: It's a matter of degree - Triode_Kingdom 11:24:42 07/21/16 (0)

RE: It's a matter of degree

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