Hi Lee! The microprocessor in the gemstar is loc.# U26401 part # 249043. The whole Gemstar module is #249017. I have both in stock. Let me know if want these or any other RCA parts. Thanks, Jason Martin Excel Distributing Inc. " The Best RCA / GE Parts 1819 Mentor Ave. Distributor In The World " Cincinnati, Ohio 45212 800-733-3329 ph 800-735-8007 fax Excel1819@xxxxxx - temporary <A HREF="http://www.exceldistributinginc.com";>www.ExcelDistributingInc.com</A> Model # F36668 Chassis # CTC203CA Part needed is a microprocessor (Gemstar 4) is the only other info my customer had. Thank you for all your help. Lee Bateman North Texas Distributors, Inc. Sherman, Tx. 75090 1-800-553-6168 email: sales@xxxxxxxxxxxxxxxxxx ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/