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Re: Repair advise [message #19107 is a reply to message #19064]

Tue, 13 August 2013 00:26

chicagobill
Messages: 2005
Registered: April 2003

Senior Member

That's a good sign, I'll guess that the FX boards are all working. You can try and bypass the signal around the preamp board by jumpering from the input jacks to the output line from the preamp. If you hear the guitar signal, then you'll know that the problem is on the preamp board.

If you look at the bottom edge of the board, there will be four wires two red in the center and two single blue ones at the outer sides. One blue wire comes from the input jacks and the other one is the output that goes to the boost/clipper board. If you can jumper between the two blue wires the inputs will directly feed the the boost/clipper circuit. Then if you can hear the guitar signal you'll know for sure.

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[Message index]

		Repair advise By: Jonomega3 on Fri, 09 August 2013 15:44
		Re: Repair advise By: chicagobill on Fri, 09 August 2013 16:28
		Re: Repair advise By: Jonomega3 on Fri, 09 August 2013 19:56
		Re: Repair advise By: chicagobill on Fri, 09 August 2013 21:36
		Re: Repair advise By: Jonomega3 on Sat, 10 August 2013 07:52
		Re: Repair advise By: pleat on Sat, 10 August 2013 08:15
		Re: Repair advise By: Jonomega3 on Sat, 10 August 2013 08:31
		Re: Repair advise By: Jonomega3 on Sat, 10 August 2013 18:09
		Re: Repair advise By: Jonomega3 on Sat, 10 August 2013 23:30
		Re: Repair advise By: Jonomega3 on Sat, 10 August 2013 14:50
		Re: Repair advise By: chicagobill on Sat, 10 August 2013 12:55
		Re: Repair advise By: chicagobill on Sun, 11 August 2013 14:34
		Re: Repair advise By: Jonomega3 on Sun, 11 August 2013 14:46
		Re: Repair advise By: Jonomega3 on Sun, 11 August 2013 16:17
		Re: Repair advise By: chicagobill on Sun, 11 August 2013 22:20
		Re: Repair advise By: Jonomega3 on Sun, 11 August 2013 22:41
		Re: Repair advise By: chicagobill on Sun, 11 August 2013 22:53
		Re: Repair advise By: Jonomega3 on Mon, 12 August 2013 12:19
		Re: Repair advise By: chicagobill on Mon, 12 August 2013 12:57
		Re: Repair advise By: Jonomega3 on Mon, 12 August 2013 22:43
		Re: Repair advise By: chicagobill on Tue, 13 August 2013 00:26
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 10:34
		Re: Repair advise By: chicagobill on Tue, 13 August 2013 11:35
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 12:06
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 13:33
		Re: Repair advise By: chicagobill on Tue, 13 August 2013 13:38
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 13:48
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 15:03
		Re: Repair advise By: chicagobill on Tue, 13 August 2013 15:08
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 15:23
		Re: Repair advise By: chicagobill on Tue, 13 August 2013 16:16
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 16:37
		Re: Repair advise By: chicagobill on Tue, 13 August 2013 17:16
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 17:37
		Re: Repair advise By: chicagobill on Tue, 13 August 2013 18:16
		Re: Repair advise By: pleat on Tue, 13 August 2013 21:18
		Re: Repair advise By: Jonomega3 on Tue, 13 August 2013 21:52
		Re: Repair advise By: pleat on Wed, 14 August 2013 07:23
		Re: Repair advise By: Jonomega3 on Wed, 14 August 2013 09:07
		Re: Repair advise By: chicagobill on Wed, 14 August 2013 12:33
		Re: Repair advise By: Jonomega3 on Thu, 15 August 2013 08:59
		Re: Repair advise By: chicagobill on Thu, 15 August 2013 13:26
		Re: Repair advise By: Jonomega3 on Thu, 15 August 2013 13:41
		Re: Repair advise By: chicagobill on Thu, 15 August 2013 15:17
		Re: Repair advise By: Jonomega3 on Thu, 15 August 2013 15:40
		Re: Repair advise By: chicagobill on Thu, 15 August 2013 16:15
		Re: Repair advise By: Jonomega3 on Thu, 15 August 2013 16:29
		Re: Repair advise By: chicagobill on Fri, 16 August 2013 12:16
		Re: Repair advise By: Jonomega3 on Fri, 16 August 2013 13:12
		Re: Repair advise By: chicagobill on Fri, 16 August 2013 13:36
		Re: Repair advise By: Jonomega3 on Fri, 16 August 2013 13:39
		Re: Repair advise By: chicagobill on Fri, 16 August 2013 14:55
		Re: Repair advise By: Jonomega3 on Fri, 16 August 2013 15:27
		Re: Repair advise By: chicagobill on Fri, 16 August 2013 15:52
		Re: Repair advise By: Jonomega3 on Fri, 16 August 2013 16:00
		Re: Repair advise By: chicagobill on Fri, 16 August 2013 16:41
		Re: Repair advise By: Jonomega3 on Fri, 16 August 2013 20:44

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