Alvin D1879 has same specs and slightly faster switching time, should be a good replacement. What is the Zenith module number in the set, could also be shorting CRT. Al G Al's TV-Electronics Pembroke Ont. Canada Alvin Rose wrote: > Hi Guys > we have a Citizen Tv which had a shorted horrizontal output transistor.. > Replaced it and set ran for an hour and then shorted the transistor..we > replaced the > the D2499 with a D1879 crossed to ecg 2331..is there a better > replacement or a > defective part in the circuit.. Any help would be appreciated. > Alvin Rose > Radio & Tv Centre > Marystown Nl. > > > > ----------------------------------------------------------------------------- > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/