Author Topic: R&S SMU 200A Power Supply schematic?  (Read 1728 times)

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Offline CramboneTopic starter

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R&S SMU 200A Power Supply schematic?
« on: February 16, 2024, 08:08:55 pm »
Guys I have a power supply issue trying to identify a fried component.
LAMBDA Vega 450
Product Code V403NBL
attached a photo

The component in question attaches to the negative leg of C14 radial electrolytic 10uf 63v.
I tried to identify while on board but no visible markings under a microscope. I removed it and it just shows an open no readings at all.

Any help would be appreciated.
« Last Edit: February 16, 2024, 08:11:56 pm by Crambone »
 

Offline sprit

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Re: R&S SMU 200A Power Supply schematic?
« Reply #1 on: October 26, 2024, 06:30:56 pm »
Hi Crambon, wish you have a nice day.


As for your problem, I can tell you it is the resistor. The value is 4R7. Hope this helps.

Sincerely, Jing Feng
 

Offline Harry_22

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Re: R&S SMU 200A Power Supply schematic?
« Reply #2 on: October 27, 2024, 11:48:35 am »
Hi!
Don't switch it on!
I will help you as soon as I land.
 

Offline Harry_22

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Re: R&S SMU 200A Power Supply schematic?
« Reply #3 on: October 27, 2024, 08:21:26 pm »
Hi again!

Due to the fact that R&S equipment still contains these units, I do not have the right to provide an online repair guide.
I'll write to you in a personal message.

The rest of you please forgive me.
 
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