e-licktronic Forum

420troll

any help would be great,

420troll

Vincent is sending me some chips in the mail all is well!

420troll

Thanks KlangGenerator!
That fixed it!
The Ebay source was good too!

420troll

found the problem replaced IC35 another bad m5218 with the kit

420troll

Well I got it going two broken traces (my fault while trimming legs i am guessing) a bad 1/4inch jack that was not normally letting the signal in to the mix section as well as a bad m5218 in the kit Lucky had a spare from some old repairs on 707 After a short test run the rom chip failed :roll: tryi...

420troll

Its getting a trigger and accent between 4-5 volts

no sound crash

ride works

420troll

I removed q39 to test and it passed the component tester. with it out q39 in i also removed r242 and the trigger is back at 5v is this normal? are there any links to some test point values to test for in the trigger/envelope section ? http://www.network-909.de/snaredru.htm this is great but no test ...

420troll

I have a weak trigger pulse at the test point mine is 800mv instead of five.

no waveforms on any pins on ic36 its a 4069UBE

noise and decay work and can be heard

I do have problems with a mux/sh board so am testing with nothing in the socket

10v at accent

420troll

Yes I mix up 47r and 47k. fixed kick

thank you

420troll

So the kick sound at vco is 27,000hz what have I done now?

the noise is coming thru

Search found 11 matches

looking to buy or program replacement Ride& Hihat Eprom

Re: help with crash sound please

Re: claps are noise all the time

Re: snare help please

Re: help with crash sound please

help with crash sound please

Re: snare help please

snare help please

Re: 909 kick frequency 27khz

909 kick frequency 27khz [SOLVED]