Bench power supply upgrade
Bench power supply upgrade

Bench power supply upgrade

My ancient Heathkit bench supply died a while ago so I bought one of the 30V 3A variable power supply kits like the link below that are all over eBay to replace/upgrade the insides of it with.
Overview Gallery Discussion
  • 01 - Heathkit EU41A.jpg
    01 - Heathkit EU41A.jpg
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  • 02 - Heathkit EU41A rear.jpg
    02 - Heathkit EU41A rear.jpg
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  • 03 - Heathkit EU41A top.jpg
    03 - Heathkit EU41A top.jpg
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  • 04 - Heathkit EU41A bottom.jpg
    04 - Heathkit EU41A bottom.jpg
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  • 05 - Apart.jpg
    05 - Apart.jpg
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  • 06 - Case mods front.jpg
    06 - Case mods front.jpg
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  • 07 - Case Mods rear.jpg
    07 - Case Mods rear.jpg
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  • Schematic with two DC supplies (NOT final).jpg
    Schematic with two DC supplies (NOT final).jpg
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  • 08 - Red board mounted.jpg
    08 - Red board mounted.jpg
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  • 09 - Bottom (PS for zener).jpg
    09 - Bottom (PS for zener).jpg
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  • 10 - Rear with red board.jpg
    10 - Rear with red board.jpg
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