Block schema and wiring
Block schema rev.1 and wiring

Power supply PCB
Supply for high voltages PCB

Tube circuit

Vertical amplifier circuit
Vertical amplifier PCB

Time base circuit
Time base PCB
Time base switch construction

Attenuator for A & B channel circuit
Attenuator for A & B channel switch & PCB
Attenuator switch construction
Attenuator for A & B channel construction
Attenuator for B channel input voltage selector construction

Attenuator electronic switch circuit
Tracer channel switch PCB

Main wiring and construction
Main construction back side 1
Main construction back side 2
Main construction front side 1
Main construction front side 2
Main construction Tube parts
Main wiring
Main covering plates 1
Main covering plates 1
Plan 1-6-9-13

Measuring probe A & B