Re: Kawai K5 upgrade ROMs

OK, forgot to answer this one...

>Also where are the +/_ buttons that the display says to press,

+/- is done by the wheel. Turning it clockwise is +, and, the other way is -.

> bill bigrig a écrit :
> > Howdy,
> >
> >  ichecked the data wheel connections al the way down
> > to the chassis cicuit board. Thay all conduct. All the
> > butons work. I tried jumpering the pins on the data
> > wheel contancts, but to no avail. I shot it with
> > circuit cleaner, but nothing. I notice that the
> > display blinks when turning in one diretion, but stays
> > steady the opposite way. Is there a way to simulate
> > the pulses from the data wheel? Either the wheel
> > doesn't work, or there is a problem on the lower
> > board. any ideas? Do I need a logic tester to test the
> > data wheel? Also where are the +/_ buttons that the
> > display says to press, or is it moving the data the
> > way to selct plus/minus. What is the first chip on the
> > board that the data wheel goes into and what should I
> > expect at the pinouts?
> > Thanx
> > Rig
> >
> >
> > --- bill bigrig <billbigrig-/[email protected]> wrote:
> >
> >
> >> Howdy,
> >>
> >>  Assuming I get the wheel working,9the cursor
> >> switches
> >> do work), how do I com up with a source for the
> >> original sounds to load with system exclusive?
> >> Thanx.
> >> Rig
> >>
> >> --- Antoine Deschênes <antdes45-FFYn/[email protected]> wrote:
> >>
> >>
> >>> bill bigrig a écrit :
> >>>
> >>>> Howdy,
> >>>>
> >>>>  You say to diconnect then reconnect the
> >>>>
> >> battery?
> >>
> >>> Yes, that's the only way to reset the RAM. I said
> >>>
> >> a
> >>
> >>> while ago to
> >>> disconnect and reconnect the battery to reset the
> >>> synth, and I just said
> >>> to disconnect and reconnect the cables between
> >>> MI-003 and the wheel.
> >>>
> >>>> I forgot. The rest of your tips, I will try, and
> >>>>
> >>> THANK
> >>>
> >>>> YOU for this valuable info. i will do these
> >>>>
> >> tests
> >>
> >>> and
> >>>
> >>>> get back to you. THANX AGAIN!!!!
> >>>> Rig
> >>>>
> >>>>
> >>>> --- Antoine Deschênes <antdes45-FFYn/[email protected]> wrote:
> >>>>
> >>>>
> >>>>
> >>>>> If the battery doesn't work, you'll just lose
> >>>>>
> >>> your
> >>>
> >>>>> sounds every times
> >>>>> you start the synth. The ROM can't be damaged
> >>>>>
> >>> from
> >>>
> >>>>> normal use. I'd try
> >>>>> to reseat(disconnect, connect) the cables
> >>>>>
> >> related
> >>
> >>> to
> >>>
> >>>>> the switch and
> >>>>> wheels if I was you.
> >>>>>
> >>>>> To put back sounds you'll need the wheel to
> >>>>>
> >> work
> >>
> >>> :
> >>>
> >>>>> You have to go in
> >>>>> the midi menu to enable SysEx receiving and
> >>>>> transmission, which is
> >>>>> sadly impossible for you right now.
> >>>>>
> >>>>> But if the buttons work and not the wheel, the
> >>>>> interface should still
> >>>>> work, unless you have an hardware problem
> >>>>> somewhere...
> >>>>>
> >>>>> OK, I looked at the schematic(All the following
> >>>>>
> >>> is
> >>>
> >>>>> about the MI-003
> >>>>> circuit board). The two wheel encoder signals
> >>>>>
> >>> pass
> >>>
> >>>>> through three 74HC
> >>>>> logic ICs to end in the same data lines as the
> >>>>> LCD(The CPU seems to
> >>>>> use the same data port for both) If your LCD
> >>>>>
> >>> works,
> >>>
> >>>>> the problem is
> >>>>> more likely to be situated with the logic(Two
> >>>>> 74HC365 and a 74HC74) or
> >>>>> the wheel encoder itself.
> >>>>>
> >>>>> The encoder signals pass through R10 and R8 to
> >>>>>
> >> go
> >>
> >>> in
> >>>
> >>>>> U9, then U12 and
> >>>>> U7. Maybe you could try to see if the signal
> >>>>> actually gets to R8 and
> >>>>> R10?
> >>>>> In my case, I briefly get some pulses on R8 and
> >>>>>
> >>> R10
> >>>
> >>>>> while I turn the
> >>>>> wheel.(The encoder uses pulse switches)
> >>>>>
> >>>>> And now, on the MI-008 board, the two bottom
> >>>>>
> >> pins
> >>
> >>>>> should feed 5v to
> >>>>> the encoder, and the top ones just send pulses
> >>>>>
> >>> when
> >>>
> >>>>> it's turning.
> >>>>>
> >>>>>
> >>>
> >>
> >>
> >>
> >>
> > ____________________________________________________________________________________
> >
> >> Don't pick lemons.
> >> See all the new 2007 cars at Yahoo! Autos.
> >> http://autos.yahoo.com/new_cars.html
> >>
> >>
> >
> >
> >
> >
> > ____________________________________________________________________________________
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> >
> >
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> >
> >
> >
> >
> >
>
>
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>
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>


-- 
Antoine Deschênes