...flashing LED indicates the power supply rails (+28v and -28v) are being pulled down to 0volts by a (typical) fault on the amp board, usually means the amplifier chip has faulted (usually the LF amp, ...
...fix for the guide sound except to send it back to Boss. Good luck. 1. Start by selecting Phrase 1. (if the 'REVERSE' or 'AUTO START' are lit press them off.) 2. Select 'INST & MIC' by pressing ...
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