Fender Bassman Solid State SP3100

[CJ]

working on a relic from a short lived line of Fender amps,

let's break it down now>

 

[CJ]

this is what it used to look like>

 

[CJ]

after about a month of searching, we found the schematic.

Fender could not find it in their archives,

there are no transistor part numbers on the original schematic so we scribbled in what we could find,

web site for this and many more obscure Fender solid state designs here>

http://music-electronics-forum.com/t34647/

preamp>

 

[CJ]

here is the power amp section of the schematic, the power transistors and driver transistors did not have a "2N" number so we noted what appears to be a date code along with some other encrypted data>

 

[CJ]

here is a shot showing a metal can fet and some tropical fish along with the weird encapsulated circuit, probably a tone module,

 

[sahib]

What's wrong with the patient?

Output kaput?