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> Hello AH's...hope ye are all well.Hmmm... this would require an oscilloscope and the schemos, one should
> I have a few probs with my gear...any advice is welcome.
> ROLAND JUPITER-8
> 1)Around ten minutes after powering the synth up:Osillator 2 of the fourth
> voice drops in level...so it cannot be hardly heard. Although...their is
> still some level...but not much...and it still works through the filter
> perfectly...no distortion at all...just very low level.???HELP???
> 2)The white LFO mod button does NOT have any effect at all...either doesrelevant
> it's relevant fader;s and switches.eg:VCO and VCF LFO MOD,silver switches
> and faders and the LFO MOD RISE TIME..do not do anything at all.....the
> pitch bender works fine on the VCO and the VCF...so does all their
> silver switches and faders.depth
> The LFO works fine from the front panel of the synth..the rate and the
> and its destination ...all work fine...but NOT the WHITE LFO MODULATIONCheck the button itself, then follow the presence/absence of signal up
> BUTTON found in the bend box???HELP???
> ROLAND JUNO-106WITHIN
> 1)similar to the jupiter voice problem!
> Around ten minutes after powering the machine on....VOICE 2 begins to
> crackle....and then their is NO SIGNAL at all from that voice..until the
> synth has cooled down.
> And on voice 4.....the same story with the time on powering the machine
> up....but the signal stays the same...NO DROP OF LEVEL at all.....but the
> CUT-OFF has NO EFFECT at all....although...when the RESONANCE is turned
> up.....RESONANCE IS APPLIED....the CUT-OFF does NOT?????HELP????
> This seems to be a thermal problem....yes...on the solder joins....or
> the VCO's and the VCF chips themselves???HELP???VCF chips, without a doubt. If you ∗really∗ want to be sure, replace