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Roland JD-800 for spares, or repair.
This synth has been lovingly looked after and used on many recordings over the years. Unfortunately it has developed a fault that Ive been unable to repair. Ive also had someone else look at it locally who purported to be a specialist synthesizer repairer, but as it turned out they didnt really know any more than myself about the LSI digital & analogue electronics employed in a synth from this era.
Having wasted my time and money trying to get it repaired locally, Im not prepared to further send it, or drive 100s of miles to try to get it fixed. Im sure that it must be repairable by someone out there with the requisite abilities. Anyway, reluctantly, Ive decided to put it up for auction here offered for spares or repair.
Here is a description of the fault;
a) 1) The on-board diagnostics report that the PCM ROMs 1, 2 & 3 are NG (= no good).
(Note: all other diagnostics pass and complete correctly)
b) 2) Only spurious artefacts (from any patch selected) are audible when the keys are played, (or when external midi note on/off are received).
c) 3) When selecting a different waveform using the WG rotary encoder (for most of the patches), the waveform reference in the display appears to be corrupted.
d) 4) It appears to me that the fault is probably on the main board.
I have managed to verify (by selecting those patches which output enough spurious sound to work with) that apart from the above anomalies everything else is functional. All sliders, buttons and the bender appear to work and display correctly. All midi functions; note on/off, sysex, bulk dump, external editing, etc. work correctly both in and out. All of the on-board effects function and display correctly.
As can be seen from the pictures, the synth is in excellent condition for its age, with just a few scuffs here and there. The top panel is in great shape and all sliders and knobs are intact. There has been none of the dreaded red glue on the move and all of the keys are intact.
The ethereal sounds attainable from the JD 800 are revered and stand up even today. This has been a workhorse for me and Im gutted to let it go.
The items included in this auction and pictured are; the JD-800 synthesizer, the original user and reference manuals, a printed and bound legible copy of the service notes, including schematics from Roland Corp.
Note: I will not ship this item. It is for collection in person only from; SY5 0NL.
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Category: Musical Instruments:Keyboards and Pianos:Electronic Keyboards
Location: Minsterley, Shropshire