Roland CR 78 - snare problem.

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Grentzmann
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Roland CR 78 - snare problem.

Post by Grentzmann » Sun May 05, 2013 7:26 pm

Hi.

I just found an old Roland CR 78 in my basement, i have forgotten everything about I even had one..
Can't even remember that I have ever owend one of these... hmm.. strange..

I turned the power on, everything works ok and it's in ok condition (2 x 1 mm rust spots on the front, thats it),
BUT!! it plays the snare drum every time a base, kick, hihat.. what ever playes.. ?? + the snare sounds strange..?

Anyone out there who can have an idea what might be wrong? The maschine have been in my basement in a box for at least 17 years, without being used.

Regard grentzmann...
Kindly regards
Grentzmann
XV5080/MKS30/PG200/MKS70/PG800/PCR500/DEP-5x2/E4XT/ESI32/SCI Prophet VS/MOOG Voayager XL/Drumstation/HR16-B/DBX2000/ATR-1/Onyx Blackjack/Cubase.

gslug
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Re: Roland CR 78 - snare problem.

Post by gslug » Mon May 06, 2013 1:02 am

The CR-78 suffers from the same battery leakage problem as the Polysix. Leaking electrolyte can do a lot of damage in 17 years...

Grentzmann
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Posts: 48
Joined: Fri Feb 10, 2012 7:49 pm
Gear: MKS70/PG800, XV5080, PCR500, SCI Prophet VS, Moog Voyager XL, Drumstation,
HR-16B, E4XT, DEP5x2,MDX2000, ATR1, Blackjack, Cubase.
Location: Aarhus, Denmark

Re: Roland CR 78 - snare problem.

Post by Grentzmann » Mon May 06, 2013 7:35 pm

gslug wrote:The CR-78 suffers from the same battery leakage problem as the Polysix. Leaking electrolyte can do a lot of damage in 17 years...
Hi..
I tryed to open it up, the battery is ok looking, no signs of a leak. I dont think is that.

I had the Polysix once, lovely mashine.
Kindly regards
Grentzmann
XV5080/MKS30/PG200/MKS70/PG800/PCR500/DEP-5x2/E4XT/ESI32/SCI Prophet VS/MOOG Voayager XL/Drumstation/HR16-B/DBX2000/ATR-1/Onyx Blackjack/Cubase.

radek tymecki
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Re: Roland CR 78 - snare problem.

Post by radek tymecki » Mon May 06, 2013 9:08 pm

maybe one of 74LS that triggers sounds is broken... i had same in mine and exchanging them helped

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