Marshall DSL100HR garbled output

[sunshine_bassman]

Having no luck with fixing the output of this amp. I’ve narrowed it down to a preamp issue.

Both channels feed through
V2:
Pin 1: 297.2vdc
Pin 2: 1mvdc
Pin 3: 2.9vdc
Pin 6: 262.1vdc
Pin 7: 1mvdc
Pin 8: 2.1vdc


V3
Pin 1: 227.2 vdc
Pin 2: 0.7mvdc
Pin 3: 1.4vdc

PI plates are at 294vdc(pin 1) and 287vdc(pin 6), grid to cathode is -1.4 between pin 2/3 and 7/8. Power tubes are biased to spec. Don’t know where to go from here.

[nosaj]

Having no luck with fixing the output of this amp. I’ve narrowed it down to a preamp issue.

Both channels feed through
V2:
Pin 1: 297.2vdc
Pin 2: 1mvdc
Pin 3: 2.9vdc
Pin 6: 262.1vdc
Pin 7: 1mvdc
Pin 8: 2.1vdc


V3
Pin 1: 227.2 vdc
Pin 2: 0.7mvdc
Pin 3: 1.4vdc

PI plates are at 294vdc(pin 1) and 287vdc(pin 6), grid to cathode is -1.4 between pin 2/3 and 7/8. Power tubes are biased to spec. Don’t know where to go from here.

Did you ever get a scope? If you did not I can probably get you an older one for about $40. I'm in Pace an also have a scope cart for nick so I'm sure I'll be in Pcola soon.
So the amp is ok when you feed in through the FX loop?

Thanks,
nosaj