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May 09, 2024, 05:35:29 PM

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Marshall VS100R transistors

Started by markorock37, March 01, 2024, 12:34:07 AM

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markorock37

T3 pin 1 goes to C4
T3 pin 3 goes to R7
So that checks out as well. It would sure be handy if Marshall gave us some voltages and a board layout.

g1

Ok, the amp wants CBE then, so the parts are correct type.  If that is true then voltages for T5 in post #42 are impossible. 
The highest voltage for T5 should be at the emitter.
If it's easier for you to call them out as pin 1,2, and 3, that will work as well.
Recheck T5,T4, T6.