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Re: K100B-5 [message #25893 is a reply to message #25801]

Sat, 11 February 2017 11:39

chicagobill
Messages: 2005
Registered: April 2003

Senior Member

Good test results, both transistors seem to be fine. It may be that the filter cap is the only thing that was causing your problem. Well that and the oversized fuse.

The last thing to check is the thermal compensation diode that is mounted to the heatsink. Carefully check to see that the two wire leads are intact and that they are soldered securely to the board. The leads on these diodes will often break off at the point where they are glued into the metal case and are difficult to replace, so be gentle when handling them.

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[Message index]

		K100B-5 By: irish77060 on Fri, 27 January 2017 13:03
		Re: K100B-5 By: chicagobill on Fri, 27 January 2017 20:27
		Re: K100B-5 By: irish77060 on Fri, 27 January 2017 22:48
		Re: K100B-5 By: irish77060 on Mon, 30 January 2017 10:56
		Re: K100B-5 By: chicagobill on Mon, 30 January 2017 11:43
		Re: K100B-5 By: stevem on Sat, 28 January 2017 06:26
		Re: K100B-5 By: chicagobill on Sun, 29 January 2017 17:14
		Re: K100B-5 By: stevem on Mon, 30 January 2017 11:31
		Re: K100B-5 By: chicagobill on Mon, 30 January 2017 12:33
		Re: K100B-5 By: irish77060 on Mon, 30 January 2017 13:35
		Re: K100B-5 By: chicagobill on Mon, 30 January 2017 14:41
		Re: K100B-5 By: irish77060 on Wed, 01 February 2017 14:06
		Re: K100B-5 By: chicagobill on Wed, 01 February 2017 16:49
		Re: K100B-5 By: irish77060 on Thu, 02 February 2017 11:51
		Re: K100B-5 By: irish77060 on Thu, 02 February 2017 11:56
		Re: K100B-5 By: chicagobill on Thu, 02 February 2017 12:43
		Re: K100B-5 By: irish77060 on Thu, 02 February 2017 12:54
		Re: K100B-5 By: chicagobill on Thu, 02 February 2017 17:22
		Re: K100B-5 By: irish77060 on Tue, 07 February 2017 14:54
		Re: K100B-5 By: chicagobill on Tue, 07 February 2017 20:59
		Re: K100B-5 By: irish77060 on Wed, 08 February 2017 14:25
		Re: K100B-5 By: chicagobill on Wed, 08 February 2017 15:18
		Re: K100B-5 By: irish77060 on Wed, 08 February 2017 15:51
		Re: K100B-5 By: chicagobill on Wed, 08 February 2017 15:57
		Re: K100B-5 By: irish77060 on Wed, 08 February 2017 17:13
		Re: K100B-5 By: chicagobill on Wed, 08 February 2017 18:02
		Re: K100B-5 By: irish77060 on Fri, 10 February 2017 13:28
		Re: K100B-5 By: chicagobill on Fri, 10 February 2017 21:33
		Re: K100B-5 By: irish77060 on Sat, 11 February 2017 11:18
		Re: K100B-5 By: chicagobill on Sat, 11 February 2017 11:39
		Re: K100B-5 By: irish77060 on Sat, 11 February 2017 17:50
		Re: K100B-5 By: irish77060 on Sun, 12 February 2017 07:27
		Re: K100B-5 By: irish77060 on Sun, 12 February 2017 12:11
		Re: K100B-5 By: chicagobill on Sun, 12 February 2017 14:32
		Re: K100B-5 By: irish77060 on Sun, 12 February 2017 19:07
		Re: K100B-5 By: chicagobill on Sun, 12 February 2017 19:17
		Re: K100B-5 By: irish77060 on Mon, 13 February 2017 12:17
		Re: K100B-5 By: chicagobill on Mon, 13 February 2017 13:01
		Re: K100B-5 By: irish77060 on Mon, 13 February 2017 13:07
		Re: K100B-5 By: irish77060 on Mon, 13 February 2017 13:31
		Re: K100B-5 By: stevem on Mon, 13 February 2017 13:47
		Re: K100B-5 By: irish77060 on Mon, 13 February 2017 16:20
		Re: K100B-5 By: chicagobill on Mon, 13 February 2017 18:25
		Re: K100B-5 By: irish77060 on Tue, 14 February 2017 10:36
		Re: K100B-5 By: stevem on Tue, 14 February 2017 06:24
		Re: K100B-5 By: irish77060 on Tue, 14 February 2017 10:38
		Re: K100B-5 By: chicagobill on Tue, 14 February 2017 10:55
		Re: K100B-5 By: irish77060 on Tue, 14 February 2017 15:07
		Re: K100B-5 By: irish77060 on Tue, 14 February 2017 19:12
		Re: K100B-5 By: chicagobill on Wed, 15 February 2017 02:18
		Re: K100B-5 By: irish77060 on Wed, 15 February 2017 13:25

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