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Mesa Boogie Strategy 500 Stereo Schematic
I recently purchased lots of parts and broken amplifiers from an amplifier repair shop that closed its doors. Actually, the owner retired and died a few years...
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Gretsch SS Broadkaster Model 7875
Need the schematic for a Gretsch solid state BroadKaster Model 7875. Any help is much appreciated!
CJ
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UPDATE: The schematics for this amplifier are attached. TY to loudthud for the link to the power amp and in the same thread is the PREAMP schematic for...
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Fender SR2035 Vibrolux Reverb Solid State Service Info
A friend is selling some of his collection of amps and tubes and this amplifier is one of them. It is dead with no power and I can't find any service info...2 Photos
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This is the transformer I purchased from CE Distribution https://www.cedist.com/products/tran...put-8-w-32-ohm
Looking...
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'65 Fender Vibro Champ squel at volume 10 and 1 only
I am working on a Vibro Champ AA764 that squeals only in the 10 position and 1 position of the volume pot. All other positions it plays GREAT!! Came in the...
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Old amps and mold
Recently, a '67 Fender Vibro Champ was brought to my repair bench that was not working. The chassis is rusty, the tolex on the cabinet is peeling away, and...
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I quit working on those because I could never find a set of transistors that worked. You blow on those Ge transistors and their bias point changes
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Alpha Potentiometers makes a lot of those style pots click here http://www.alpha-product.net/en/prod...20Serials/607/
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I'm working on a PDS-1700 and its doing the same thing. It kinda works after leaving it on for a good 10 minutes. I posted in the Schematic Request forum...
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Thank you very much. You know, the PDS-1700 on my bench is barely working as I can see it slightly pulsating on my scope. Cleaning all the sockets sounds...
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Digitech PDS-1700 Chorus/Flanger Schematic
I would appreciate any help finding this schematic.
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I only know to ask this because I have done the same thing... don't feel bad. We are human and easily overlook the simple things. Hopefully, that'll fix...
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According to the schematic, the power supply requires 12VAC; not 12vdc. Most laptop power supplies are 12vdc. What is your power supply providing... AC...
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When I see weird things like this I start looking at pots and jacks. Have you swapped the input jack out with a new one? I've seen the inner sleeve of an...
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If they only had a Quad matched JFET IC... Matching JFETs for phasers is a pain in the butt (and I'm getting lazy in my old age)
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When I was a Roland Authorized Service Center, I'd get keyboards and other digital effects in for repair with the same issue. Roland's response was that...
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