There is no mistery to those things SAA1024 cost � 2.10 at www.reichelt.de the 4200 thing must be an very old zero cross chip, but the RC4200 is a multiplyer, you better replace that with a simple MOC3041 to fire the triac, that probably what it does in the DURST fotolab timer. cheers Friedel
At 01:58 a.m. 17/09/02 -0800, you wrote: >Was it Hemang who wrote on Monday 09 September 2002 08:18: > > > > Dear List Members > > > > > > Greetings! I m loking for assistance on the two devices; > > > > > > 1. Sources and suppliers of 16 pin/DIP device; SAA 1042 make Motorola/ > > > stepper motor(Bipola ) Cntroller device. > > > > > > 2. Data Description and pinout of an Obsolete 8 PIN DIP plastic > > > > device > > > > > ; > > > MAKE CODE > > > > > > Raytheon RC4200/4200A > > > Sanyo LA4200 > > > Siemens TDA4200 > > > Telefunken U4200 > > > Western Digital WD4200 > > > Application; I guess it is used as a zero crossing detector in a > > > DURST/GERMANY MAKE DC Power Supply unit for photographic enlarger timer. > > > In case few of these chips can be sourced, and if any of the list member > > is aware pls let me know , I shall be greatful. > >Having just acquired 'One of everything' tv parts stock collection from the >mid nineties mainly, I checked through. None of any of those devices, but >some very close numbers. Any equivelants or upgraded versions? > >Try brokers > >-- > Regards, > > > Declan Moriarty > > > > >Applied Researches - Ireland's Foremost Electronic Hardware Genius > > A Slightly Serious(TM) Company > >Experience is like a comb, >that Life gives you - AFTER all your hair has fallen out! >-- >Author: Declan Moriarty > INET: [EMAIL PROTECTED] > >Fat City Network Services -- 858-538-5051 http://www.fatcity.com >San Diego, California -- Mailing list and web hosting services >--------------------------------------------------------------------- >To REMOVE yourself from this mailing list, send an E-Mail message >to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in >the message BODY, include a line containing: UNSUB CHIPDIR-L >(or the name of mailing list you want to be removed from). You may >also send the HELP command for other information (like subscribing). -- Author: Friedel Bruening INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
