Introduction - Fluke ScopeMeter 123 Service Manual

9.1 Introduction

This chapter contains all circuit diagrams and PCA drawings of the test tool. There are
no serviceable parts on the LCD unit. Therefore no circuit diagrams and drawings of the
LCD unit are provided.
Referring signals from one place to another in the circuit diagrams is done in the
following way:
1
A
B
SIGNAL
C
Figure 9.1 Circuit Diagram 1
The line SIGNAL on circuit diagram 1, location B3 [1,B3], is connected
to the line SIGNAL on circuit diagram 5, location C2 [5,C2].
If the signal is referred to a location on the same circuit diagram, the
circuit diagram number is omitted.
2 3 4 5
[5, C2]
1 2 3 4
A
B
C
SIGNAL
[1,B3]
Figure 9.5 Circuit diagram 5
Circuit Diagrams
9.1 Introduction
5
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