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    the common fault scenario with these is one of...

    the common fault scenario with these is one of the 15 +/- rails goes down and the musician leaves the unit on. This can damage op-amps, ICs and DRAM, being the older type with two different rails...
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    Hi Paul, if you need any readings let me know. I...

    Hi Paul, if you need any readings let me know. I currently have my D50 open to try and replace the LCD. From the service manual its 12v / -12 V which is way too high for todays LCDs which accept 5v...
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