original Yamaha supply, try moving the plug around a little- it may have broke a solder track. If you have a voltmeter, check the coaxial end of the supply for voltage, it may have a broken wire
broken input jack wires, which wires go were on the jack If it's a two wire jack, the tip contact is signal, the sleeve contact is common ground (or minus). If there is a coaxial wire, the center wire
...coaxial plug end that plugs into keyboard- is there power there? If so, is the socket on the keyboard loose at all? If so- the socket may be broken, If there is no power there, you either ...
...broken solder at the connector inside. If the connector requires replacement, find one at Digikey.com by searching for "power connector coaxial". Hint: In the future install one of those little lamp ...
...coaxial cable with a shield. 3, Failure to connect the correct wires. 4. Poor soldering and insulating resulting in broken connections or shorted connections. 5. Exceeding the length that the ...
...coaxial connector center post is the right size for the plug. If it is, you will need to open the cabinet. There might be a fuse present because of the battery option, in which case that ...
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