Troubleshooting Problems

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Start here with any weird issues

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	Subject	Started by	Replies	Views	Last post
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	Hum and Crack on DIST mode	Jonar	3	3887	Time Format by MarshallJMP
	MB-1 Error Messages	kawai2g4b	2	4934	Time Format by kawai2g4b
	Battery Issue in MP-1 « 1 2 »	kfowler8	18	14859	Time Format by MarshallJMP
	U.S. MP-1 Repair	kfowler8	5	5104	Time Format by kfowler8
	MP-1 high pitch squeal	kfowler8	13	8385	Time Format by kfowler8
	Front panel don´t work	kserri	5	4975	Time Format by rnolan
	front panel	kserri	3	4274	Time Format by rnolan
	MP1 Classic Err 7	leninvargas	6	3944	Time Format by MarshallJMP
	Programming patches - inconsistent behaviour	MikeB	4	4623	Time Format by MarshallJMP
	Very Strange Behaviour	MikeB	4	5478	Time Format by MikeB
	error codes	Mike_Revis	3	4175	Time Format by MarshallJMP
	No Distortion on the Distortion Channel	Misticmyst73	2	4456	Time Format by SidecarJoeG
	Solid State Clean Gets Nasty	Moff40	5	948	Time Format by Moff40
	LED Issue MP1	Mojave	4	643	Time Format by Mojave
	MP1 Tube board issues, like am radio « 1 2 »	monty	20	12916	Time Format by tomy
	MP1 - Developed very loud hum on tube settings	MR THUD	8	1686	Time Format by MarshallJMP
	ADA MP1 - Tube Board Problem and Resolution.	MR THUD	2	1759	Time Format by MarshallJMP
	MP-1 A channel much quieter than B « 1 2 3 »	Mxzx	31	15116	Time Format by El Chiguete
	Extreme hiss and microphonic V1 tube circuitry « 1 2 »	NeverAfter	19	10252	Time Format by rnolan
	MP-1 MIDI not working	niksa	11	6605	Time Format by MarshallJMP

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