Electronics > Repair

POWER SUPPLY WIRING

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aleeeeaaa:
i HAVE A POWER SUPPLY WITH 5 WIRES THAT NEED TO BE SOLDERED TO THE BOARD. THE WIRES COMING OUT ARE ONE YELLOW WHICH I KNOW IS GROUND. TWO GREEN WIRES THAT HAVE 19 VOLTS ON EACH ONE AND 2 RED WIRES WITH ABOUT 40 VOLTS ON EACH ONE. I DO KNOW THE FIRST HOLE ON THE LEFT OF THE BOARD IS GROUND. wHERE DO THE RED AND GREEN WIRES GO. i HAVE ENCLOSED A SCHEMATIC  OF THE BOARD.

feedback.loop:
Your keyboard needs fixing.

R-1125F:
I would really help to know what the equipment is.  Brand and model?

AkibUddin:

--- Quote from: aleeeeaaa on December 04, 2022, 05:53:10 pm ---i HAVE A POWER SUPPLY WITH 5 WIRES THAT NEED TO BE SOLDERED TO THE BOARD. THE WIRES COMING OUT ARE ONE YELLOW WHICH I KNOW IS GROUND. TWO GREEN WIRES THAT HAVE 19 VOLTS ON EACH ONE AND 2 RED WIRES WITH ABOUT 40 VOLTS ON EACH ONE. I DO KNOW THE FIRST HOLE ON THE LEFT OF THE BOARD IS GROUND. wHERE DO THE RED AND GREEN WIRES GO. i HAVE ENCLOSED A SCHEMATIC  OF THE BOARD.

--- End quote ---
Please try to attach your device photo  :)

Swainster:
My best guess - see pic (look for the rectifier diodes on the board)

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