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Re: Schematic Accuracy [message #20202 is a reply to message #20097]

Thu, 20 February 2014 12:03

bluezebra
Messages: 89
Registered: February 2014
Location: Lafayette, LA

Member

Stevem,
You make me feel so much better knowing I'm not the only one with an amp with this problem. This amp did not have a thump until I shotgun approached the components to get rid of an occasional crackle. I suspected a carbon comp and proceeded to change them all until the crackle disappeared..(which it did). In my shotgun install, I also changed every tantalum to aluminum electrolytic and new transistors after I read somewhere that the newer transistors were much quieter than the old.
I don't know what version you have, but my board does not have the elusive Q131 and associated mod on the board. I have a transistor at the extreme corner of the board where the grey (reverb) wire is attached.
Amp plays so well, reverb works, tremolo works with a thump in the background..... Confused

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[Message index]

		Schematic Accuracy By: bluezebra on Mon, 10 February 2014 01:29
		Re: Schematic Accuracy By: stevem on Mon, 10 February 2014 06:30
		Re: Schematic Accuracy By: bluezebra on Mon, 10 February 2014 10:19
		Re: Schematic Accuracy By: bluezebra on Mon, 10 February 2014 10:26
		Re: Schematic Accuracy By: chicagobill on Mon, 10 February 2014 12:40
		Re: Schematic Accuracy By: bluezebra on Mon, 10 February 2014 13:00
		Re: Schematic Accuracy By: stevem on Mon, 10 February 2014 13:17
		Re: Schematic Accuracy By: bluezebra on Mon, 10 February 2014 13:41
		Re: Schematic Accuracy By: chicagobill on Mon, 10 February 2014 16:24
		Re: Schematic Accuracy By: bluezebra on Mon, 10 February 2014 17:10
		Re: Schematic Accuracy By: bluezebra on Mon, 10 February 2014 17:33
		Re: Schematic Accuracy By: chicagobill on Tue, 11 February 2014 12:22
		Re: Schematic Accuracy By: bluezebra on Tue, 11 February 2014 13:25
		Re: Schematic Accuracy By: stevem on Wed, 12 February 2014 09:26
		Re: Schematic Accuracy By: bluezebra on Wed, 12 February 2014 12:55
		Re: Schematic Accuracy By: stevem on Wed, 12 February 2014 17:08
		Re: Schematic Accuracy By: bluezebra on Wed, 12 February 2014 17:20
		Re: Schematic Accuracy By: bluezebra on Wed, 12 February 2014 21:22
		Re: Schematic Accuracy By: chicagobill on Thu, 13 February 2014 10:43
		Re: Schematic Accuracy By: bluezebra on Thu, 13 February 2014 13:57
		Re: Schematic Accuracy By: chicagobill on Thu, 13 February 2014 14:40
		Re: Schematic Accuracy By: bluezebra on Thu, 13 February 2014 15:20
		Re: Schematic Accuracy By: bluezebra on Thu, 13 February 2014 15:25
		Re: Schematic Accuracy By: chicagobill on Thu, 13 February 2014 16:14
		Re: Schematic Accuracy By: bluezebra on Thu, 13 February 2014 17:39
		Re: Schematic Accuracy By: bluezebra on Thu, 13 February 2014 19:36
		Re: Schematic Accuracy By: bluezebra on Thu, 13 February 2014 22:03
		Re: Schematic Accuracy By: bluezebra on Thu, 13 February 2014 22:40
		Re: Schematic Accuracy By: chicagobill on Fri, 14 February 2014 13:04
		Re: Schematic Accuracy By: bluezebra on Fri, 14 February 2014 22:38
		Re: Schematic Accuracy By: stevem on Sat, 15 February 2014 07:43
		Re: Schematic Accuracy By: bluezebra on Sat, 15 February 2014 10:28
		Re: Schematic Accuracy By: bluezebra on Sat, 15 February 2014 12:11
		Re: Schematic Accuracy By: stevem on Mon, 17 February 2014 06:33
		Re: Schematic Accuracy By: bluezebra on Mon, 17 February 2014 11:07
		Re: Schematic Accuracy By: bluezebra on Mon, 17 February 2014 11:33
		Re: Schematic Accuracy By: chicagobill on Mon, 17 February 2014 13:25
		Re: Schematic Accuracy By: bluezebra on Mon, 17 February 2014 14:20
		Re: Schematic Accuracy By: chicagobill on Mon, 17 February 2014 14:54
		Re: Schematic Accuracy By: bluezebra on Mon, 17 February 2014 16:56
		Re: Schematic Accuracy By: bluezebra on Mon, 17 February 2014 17:14
		Re: Schematic Accuracy By: bluezebra on Mon, 17 February 2014 17:36
		Re: Schematic Accuracy By: chicagobill on Tue, 18 February 2014 12:24
		Re: Schematic Accuracy By: bluezebra on Tue, 18 February 2014 13:31
		Re: Schematic Accuracy By: bluezebra on Tue, 18 February 2014 13:37
		Re: Schematic Accuracy By: chicagobill on Tue, 18 February 2014 13:58
		Re: Schematic Accuracy By: bluezebra on Tue, 18 February 2014 18:25
		Re: Schematic Accuracy By: bluezebra on Tue, 18 February 2014 20:53
		Re: Schematic Accuracy By: chicagobill on Tue, 18 February 2014 21:38
		Re: Schematic Accuracy By: bluezebra on Tue, 18 February 2014 23:15
		Re: Schematic Accuracy By: bluezebra on Tue, 18 February 2014 23:17
		Re: Schematic Accuracy By: chicagobill on Wed, 19 February 2014 01:44
		Re: Schematic Accuracy By: bluezebra on Wed, 19 February 2014 10:32
		Re: Schematic Accuracy By: chicagobill on Wed, 19 February 2014 11:13
		Re: Schematic Accuracy By: bluezebra on Wed, 19 February 2014 12:21
		Re: Schematic Accuracy By: chicagobill on Wed, 19 February 2014 13:20
		Re: Schematic Accuracy By: bluezebra on Wed, 19 February 2014 14:02
		Re: Schematic Accuracy By: bluezebra on Wed, 19 February 2014 14:05
		Re: Schematic Accuracy By: chicagobill on Wed, 19 February 2014 17:06
		Re: Schematic Accuracy By: bluezebra on Wed, 19 February 2014 23:21
		Re: Schematic Accuracy By: stevem on Thu, 20 February 2014 06:49
		Re: Schematic Accuracy By: bluezebra on Thu, 20 February 2014 12:03

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