Does the picture have excessive width? If so, you might look at the caps on the collector of the H.O.T. Just a thought..... Bruce Tiedeman wrote: > I can not find the previous post on this problem. I put in the original > Output transistor , I soldered the driver transformer and connections in the > Horiz. section. I did change the .47\50 cap at the driver transformer. > > Is there some thing else that has to be changed on this chassis. The > transistor gets very hot. The waveform looks very clean at the base of the > H.O.T . it starts to get hot after a few minutes. > > The original problem was a blown HOT transistor and the special damper diode > . The R523 (.68 ohm resistor ) was over heated but not blown. I replaced > this also. > > If I remember correctly these do run hot, just didn't wanted to send this > out and have it come back... > > thanks for your input, > > Bruce > B&T Electronics. > > Help make your TechAssist online repair tips > database better! Submit your fixes here: > http://www.circuitwork.com/techassist/tip/#tips > To unsubscribe write to: > techassist-request@xxxxxxxxxxxxx > with unsubscribe in the subject line. -- Steve Rumel Quality Video Service 7008 Long Point Houston, Tx. 77055 713-956-2400 713-956-2403 FAX BTSteve@xxxxxxx Other life :-) Col Steve Rumel, CAF Crew Chief, BT-13A Safety Officer, 2001 West Houston Squadron Help make your TechAssist online repair tips database better! Submit your fixes here: http://www.circuitwork.com/techassist/tip/#tips To unsubscribe write to: techassist-request@xxxxxxxxxxxxx with unsubscribe in the subject line.