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Theory of Operation
2715 Spectrum Analyzer Service Manual
3-91
Power Supply (Display)
The Display system consists of the following:
H CRT Bias
H Vertical Display circuit
H Horizontal Display circuit
H Z Axis circuit
Figure 3--29 is a block diagram of the Display Amplifier.
CRTINTS −
VIDZ
VIDVERT
DSHOR
SWP
DSVER
LOGVIDEO
Log
Amplifier
Display
Storage
Sweep
Part of Power Supply Board
To Z Axis
Front
Panel
To Vertical
Deflection Plates
To Horizontal
Deflection Plates
Figure 3- 29: Display Amplifiers Block Diagram