Diagrams
9–2
1502C MTDR Service Manual
Capacitors = Farad (F)
Inductors = Henry (H)
All capacitors and inductors indicatate their units; resistors only indicate the
appropriate scale factor.
Scale factors are given by the following standard:
M mega 10
6
k kilo 10
3
m milli 10
–3
u micro (µ) 10
–6
n nano 10
–9
p pico 10
–12
A numbering method is used to identify assemblies, subassemblies, and parts. An
example of this numbering method and typical expansions is as follows:
A23A2R1234 = A23 A2 R1234
↓↓↓
Assembly Subassembly Circuit
Number Number Number
Read: resistor 1234 of subassembly 2 of assy 23.
Only circuit numbers appear on the schematics, circuit board illustrations, and
electrical parts locator lists. Each schematic and illustration is marked with its
assembly number. Assembly numbers are also marked on the mechanical exploded
view located in the replaceable mechanical parts list. A component number is
obtained by adding the assembly number prefix to the circuit number. The
component number may then be used to reference a part in the replaceable electrical
parts list.
Component Number
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