KAWAI X-430 FAULT

[Guest]

HELLO</P>


I HAVE A KAWAI X430, AND HAVE BEEN HAVING A REPEATING PROBLEM WITH 2 FUSES ( T2.0A) BLOWING NEXT TO EACH OTHER ON ONE OF THE CURCUIT BOARDS (2543 PS-34 ), AT FIRST THEY WOULD ONLY BLOW ONCE A MONTH NOW AFTER 5 MONTHS USE THEY BLOW STRAIGHT AWAY WHEN POWER IS TURNED ON.</P>


DOESANYONE KNOWIF THIS IS A COMMONFAULT WITH THIS PARTICULAR ORGAN AND WHAT THE SOLUTION COULD BE?</P>


ORDOES ANYONE HAVETHE ELECTRICAL WIRING DIAGRAM FOR THIS MODEL?</P>


ANY HELP ISMUCH APPRECIATED.</P>


THANK YOU</P>
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DEAN</P>
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[fredy2]

Re: KAWAI X-430 FAULT



The first thing is to investigate if you are using the correct fuses. It is possible they are supposed to be MDL's that are delay fuses. The initial inrush current to charge the filter capacitors is likely what is blowing the fuses.</P>


So first verify that the fuse replacements are the correct ones in size and time characteristics.</P>


Also try this: Put a couple of parallel150 watt flood lights in series with the hot side of the power to the organ.and power it up with these at first, then rig a switch to short the bulbs out... PLEASE do the wiring for this in a safe manner. The lamps act as a resetable fuse for the initial inrush.</P>


If there is a problem other than incorrect fuses, it is likely the power amplifiers are not balancing initially. This can be caused by parts aging.</P>