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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
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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.
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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!
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
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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.
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!
Re: Instructions, Schematics & Specs (NEW VERSION)
Posted: Mon Jun 23, 2025 3:22 pm
by Heikki