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Instructions, Schematics & Specs (NEW VERSION)

Posted: Fri Jun 20, 2025 12:57 pm
by Heikki

Re: Instructions, Schematics & Specs (NEW VERSION)

Posted: Fri Jun 20, 2025 1:05 pm
by Heikki
Before populating the boards use main board, PS board & meter board to mark mounting holes to the chassis.

Populated boards
main1.jpg
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U1 on power supply board should be mounted to chassis. U2 can be mounted to chassis or should have a heat sink.
psandmeter.jpg
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sichainfull.jpg
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sidechain2.jpg
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Re: Instructions, Schematics & Specs (NEW VERSION)

Posted: Fri Jun 20, 2025 1:12 pm
by Heikki
Mount the tube sockets with standoffs before soldering!
kompurakanta2.gif
standoffs.jpg

Re: Instructions, Schematics & Specs (NEW VERSION)

Posted: Fri Jun 20, 2025 1:16 pm
by Heikki
Assembly and wiring.

Layout
https://ghr.fi/varimu2/schematics/layout.pdf

Use plastic standoffs under PS board
PSplasticstandoff.jpg
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boardsmainpsmeter.jpg
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kasauskuva1.jpg
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Re: Instructions, Schematics & Specs (NEW VERSION)

Posted: Fri Jun 20, 2025 1:21 pm
by Heikki
Mount the sidechain board to front panel.
front1.jpg
front2.jpg

Re: Instructions, Schematics & Specs (NEW VERSION)

Posted: Fri Jun 20, 2025 1:24 pm
by Heikki
Use heatsinks or mount regulators U1 & U2 on DC-DC PS board to chassis!
valmis3.jpg
valmis4.jpg

Re: Instructions, Schematics & Specs (NEW VERSION)

Posted: Mon Jun 23, 2025 3:22 pm
by Heikki
voltages.jpg
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valmis5.jpg
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