Detailed schematics of the Power Supply and CRT Circuit for the Type 545A Oscilloscope. This comprehensive file also includes block diagrams, Time-Base A Trigger, Time-Base B Trigger (Circuit Numbers 50 thru 99), Time-Base Generator B, Delay Pickoff, External Horizontal Amplifier, Verticle Amplifier, a Heater Wiring Diagram, a chart of Electrical Characteristics, a Schematics of the Signal Processing Board, the Printed Circuit, Sync Generator and Signal Processing Boards, along with Test Points and Waveforms.