Question about Roland Boss RC-3 Loop Station Compact Pedal with USB

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Boss RC-3 does not power on, any information about why this unit stop working. Clearly seems to be the power source section on main PCB, if somebody does have an schematic please contact.

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Most likely the device has been incorrectly powered. The most easy way to check this is the following:

- unscrew the 4 screws on the RC-3 bottom
- slide the board out from the connectors holes
- gently detach all the connectors and wires coming to the board
- locate the schottky diode (SS14) close to the power input connector
- check if the diode is short
- replace the diode if it is
- if this does not solve the problem probably also the capacitors in the power section are shorted.

Message me for further info

Posted on Jan 14, 2013

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Posted on Jan 02, 2017

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