Tektronix 1502C - Page 69

Circuit Descriptions
5–2
1502C MTDR Service Manual
Front Panel
Drivers LCD
Controls, LCD Bias
and temp. compensation
Front End
Driver Sampler
Main Board
Z80
RAM
ROM
Decoding
Timebase
Digital
Analog
Signal Processing
Offset Gain
A/D converter
Option Port
AC to DC
Converter
Control
Battery
DC to DC
Converter
Power Bus
Digital Bus
Cable
Hybrid
CPU
Power Supply
Figure 5–1: System Block Diagram
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