If it's marked IC, my guess would be that it's a regulator and not a transistor. See what the voltages are on the three connections. And if one of them is ground. Just a suggestion. Doug wjstv@xxxxxxxxxxxxxx wrote: > > Part has KIA 431 929 on it, has three leads and is the size of an NTE123A. > It's in pc section marked Power 500. Need to know what it is. > > Jeff Smith > Smith TV Service > 1930 Main St > Newberry SC 29108 > 803/276-4946 > > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > To CHANGE your email address, click here: > http://www.techassist.net/forms/change.html > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ -- Doug Keller "Learn from the mistakes of others, Wis-Kel Electronics because you won't live long enough 101 Freeland Ave. to make them all yourself" Terra Alta, WV USA 26764 dek@xxxxxxxxxx ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.techassist.net/forms/change.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/