Well, I tried a few things.
First the reset. Not sure I can do it since I can't see the L side display. (if the option is chosen from the menus)...
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C79 was bad.... breaking down under load. Measured 24K, lowered to under 10K if heated some.
If you get one of these that won't turn on, but...
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Yeah this one is just another weird Loud product. They want to sell you a board assy. Might have to go that route if they want it done.
based on the...
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Newer THUMP 15 Dead
Have a DOA THUMP that uses a FAN 7631 SMPS
Customer said the unit fell off the stand. Internally no board crack or anything. I did take the chopper...
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XR18 is a great mixer, and a top seller.
Should have a 3 year warranty if registered, and I believe they will simply exchange it.
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same experience here. Loud Tech I don't like dealing with them. If Full Compass can help, which they do often, I just go through them. Loud wanted $415 for...
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There's some common ones I use and see often enough. Usually I go via Digikey, Mouser etc. Many common ones even in bulk of 50 are a lot more than this box,...
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Transistor kits from Amazon
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Replaced fets Q4, Q24. I guess they were opening under load. Works fine. This was the DSP model. Dropped it off at local music store for student donation....
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Loud was no help. Guy said that was made by Crate before they had any hand in it.
I can get noise via Pin 6 and touching the pin.
...
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Amp works in SS mode, No sound in tube mode. If I lift the fet and inject sig it gets to the tubes.
Hardest part of this is having no markings on the...
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No sig pin 6 Ic2, that's why I think it's the FETs. I have signal to the gain control and off the control tap, then nothing at the Ic Input
Seems simple...
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Crate GT80 No sound in tube mode
This one has a boatload of FET's for switching and I think I may have that problem.
Non tube modes work fine. All PS's for tubes and there, filaments,...
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Twas a bad 4580L IC. 13v on pins 1,2,3,7,8..... kind of reached out and said.... that's not good me bad !!
Fixed!!
Funny thing...
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I've looked at that. The owner said the two jacks were broken at different times. I inspected with a magnifier, and did not find any cracks. I have good audio...
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K900FX Behringer minimal sound
Hey, have a cust's K900FX that has very very low sound cranked. He sent to another center and they said throw it away.
Line out works, so the...
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Yes. I had another FS44 I verified did the same thing with the amp....
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Ahhh poo! Can a mod move this thread to "Guitar Amps repair and Troubleshooting? Thanks
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Carvin SX300 odd switching problem
Sx300 with FS44 footswitch is improperly switching, and it's kind of random. From the panel (no fsw) it seems fine.
Connect the FS44 and it...
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Definitely start by replacing all the electrolytic caps in the PSU. More than likely will solve most problems. Also check the smaller caps on the display...
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