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Author Topic: lytec LP5422  (Read 1668 times)

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Offline madeebTopic starter

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lytec LP5422
« on: December 14, 2020, 10:09:34 am »
Hi Guys
Could any one help me with explaining the attached schematic circuit diagram of the Lytec LP542 Power supply Board.
Regards
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Offline m k

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Re: lytec LP5422
« Reply #1 on: December 15, 2020, 04:09:32 pm »
It counts on induction more than many.
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Advance-Aneng-Appa-AVO-Beckman-Danbridge-Data Tech-Fluke-General Radio-H. W. Sullivan-Heathkit-HP-Kaise-Kyoritsu-Leeds & Northrup-Mastech-REO-Simpson-Sinclair-Tektronix-Tokyo Rikosha-Topward-Triplett-Tritron-YFE
(plus lesser brands from the work shop of the world)
 

Offline Dakkahun

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Re: lytec LP5422
« Reply #2 on: December 15, 2020, 04:53:24 pm »
Is this a power supply from an oscilloscope perhaps?
It appeared before in two repair threads,

https://www.eevblog.com/forum/repair/gw-instek-gds-2104-power-supply-failure/
and
https://www.eevblog.com/forum/repair/help-with-a-smps-(lytec-lp5422/

As others have noticed, it looks like the schematic is not complete, more precisely there is no path for the rectified voltage to the rest of the circuit.
Perhaps the photos in the first thread can help.
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