The Tektronix 7704A was a 200 MHz 7000 Series mainframe oscilloscope produced from 1972 to 1987. It takes two horizontal and two vertical plug-ins. The museum has two 7704As on display. This one is setup with two timebases and a 7L12 spectrum analyzer to display live analog television. The image is displayed upside down.
These audio files are meant to be used in conjunction with the 7704A schematics. Each part is approximately 30 minutes so the complete circuit description is 3.5 hours. We have extracted the schematics from the 070-1260-00 manual into a 14 page PDF document to be used with these audio files.
7704A Circuit Description Part 1
7704A Circuit Description Part 2
7704A Circuit Description Part 3
7704A Circuit Description Part 4
7704A Circuit Description Part 5
7704A Circuit Description Part 6
7704A Circuit Description Part 7