Is the Horizontal output transistor the original or a generic replacement? Also what is the value of the regulated B+? Hollis Bates. Field Engineer-retired, lewiston, Maine, HSWAD@xxxxxxx In a message dated 6/9/03 1:13:43 PM Eastern Daylight Time, jr.myers@xxxxxxxxxxx writes: > Subj:[TechAssist] Emerson TS2750D, STR51041 repeat failure and runs hot > Date:6/9/03 1:13:43 PM Eastern Daylight Time > From:<A HREF="mailto:jr.myers@xxxxxxxxxxx";>jr.myers@xxxxxxxxxxx</A> > Reply-to:<A > HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A> > To:<A HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A> > Sent from the Internet > > > > Would anyone have an idea on this problem? The set seems to work ok but the > regulator IC, STR51041 seems very hot. The case temp gets up about 70 c > after 30 minutes or so, that's about 158 f. The data sheet shows the max > operating temp as 125 c or 257 f. Well within specs but still pretty hot. It > has failed twice along with two transistors and two resistors. Capacitors > have been checked and/or replaced also. > ************************************************** > Jim Myers > Since 1972 > Telrad Electronic Services Co. > Fort Wayne, IN 46815 > ************************************************* > > ***************************************************************************** > > The Tech Address Book: > http://www.tech-assist.org/secure/tip/contact.html > Add a Repair Tip Here, or Change/Remove your Email Address: > http://www.tech-assist.org/secure/tip/main.htm > Lost Password: > http://www.tech-assist.org and select "Lost your Login Info?". > Email Archives: > //www.freelists.org/archives/techassist/ ***************************************************************************** The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.html Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.htm Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". Email Archives: //www.freelists.org/archives/techassist/