I know I have requested the value of D12 (zener) off the switching transistor in the power supply before and someone replied back with the value but I forgot and since then lost it. Can anyone reply this information again please. TIA Neil TV Doctors ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html ------------------------------------------ Make your TechAssist database better! Submit Repair Tips here: http://www.tech-assist.org/secure/tip/