From haines@quick.netFri Dec 8 09:00:09 1995 Date: Thu, 7 Dec 1995 22:10:31 -0800 From: Matt Haines To: EDISON Cc: analogue@hyperreal.com Subject: Re: arp whiteface question [The following text is in the "iso-8859-1" character set] [Your display is set for the "US-ASCII" character set] [Some characters may be displayed incorrectly] >Does anyone have the pin-out on the 4022 filter in the ARP Whiteface Odyssey? >I'm taking the filter out to use in a Homebuilt Synth. >Thanks I think it's the same for all the Odysseys, because the service docs talk about replacing the old ones with new ones . It says it's for models 2800, 2810, 2811, 2812, 2813. Pin connection 1 signal input 2 resonance slider (through a 22k pot) 3 to wiper of vcf balance trimpot (pin 2) 4 cv input 6 + supply 7 gnd 8 - supply 10 out (to hipass filter) 14 pin 1 of vcf balance trimpot 16? pin 3 of vcf balance trimpot I can't quite read the last pin #. Matt Haines haines@quick.net control-X:to:abort:transmission. X From jocke@netcontrol.fiFri Dec 8 09:00:27 1995 Date: Fri, 8 Dec 1995 10:27:00 +0200 (EET) From: Joachim Verghese To: EDISON Cc: analogue@hyperreal.com Subject: Re: arp whiteface question On Thu, 7 Dec 1995, Matt Haines wrote: > I think it's the same for all the Odysseys, because the service docs talk > about replacing the old ones with new ones . It says it's for models > 2800, 2810, 2811, 2812, 2813. > > Pin connection > > 1 signal input > 2 resonance slider (through a 22k pot) > 3 to wiper of vcf balance trimpot (pin 2) > 4 cv input > 6 + supply > 7 gnd > 8 - supply > 10 out (to hipass filter) > 14 pin 1 of vcf balance trimpot > 16? pin 3 of vcf balance trimpot This is actually the pinout for the later 4035 and 4075 modules. The 4023 was slightly different. The wiper of the balance trimmer is connected to -15V, and the CV input is different, if memory serves. I haven't got the schems at hand right now but I'll look it up. -joachim