Swap the EPROMs between the suspect board and another DVM. If there are any
DIP switches (I forget), be sure to change them too. Put both boards back in
and try the organ. If the board itself is bad, the formerly dead stops will
now be working and a new set (whatever is produced in the new slot to which you
moved it) will be dead. Then you will know for sure that the board is the
problem.
Hey, it might even fix it, just pulling and re-seating all the EPROMs.
Sad commentary on the state of affairs that this board costs so much, and that
they don't even offer any credit for a returned bad board. You'd think they
would want to be repairing and re-cycling these boards, the stock of which must
be very small and dwindling rapidly.
John Birdsong
jbird604@xxxxxxx
-----Original Message-----
From: Bob Mollard <bobaton@xxxxxxx>
To: rodgersorgan <rodgersorgan@xxxxxxxxxxxxx>
Sent: Tue, Jul 25, 2017 7:18 am
Subject: [rodgersorganusers] Got DVM board?
Hello all. I have a used 805 with the following stops not speaking:
Ped: Princ 16, Bourd 16, Choral bass 4, Schalmei 4
Great: Princ 8, Koppel 4, Quint 1 1/3, Cromorne 8
Swell: Bourd 8, Cymbale III
When I first got it, DVM board 5215-303 was showing red, and I assumed
that it was bad. My dealer found a salvage board in his pile of parts,
but it showed red also. Recently I moved it for a concert and noticed
all boards were showing green, but those stops remain silent. My dealer
offered to sell me a new board at his cost, but to our dismay he
discovered his cost from Rodgers was $2800! I'm just not going to spend
that kind of money for one board, especially since I'm not 100% sure
that's where the problem is.
So do any of you have thoughts regarding diagnosis, and if I do indeed
need a DVM, does anyone have a line on a good one that doesn't cost more
than the organ is worth? I am technically capable, but I do not have a
service manual.
Thanks!
Bob Mollard, MM AAGO
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