1-20 General Information 8525B/8528 Technical Service Manual
Issue 6 Publication No: 15-02036
1.5 Circuit Reference Designations
A Assembly
B Transducer—Microphone, Loudspeaker, etc
C Capacitor
D Diode—small signal and power
E Heating device
F Protection device—Fuse, etc
G Generator—battery, etc
H Signalling/indicating device—Lamp. LED, Buzzer,
etc
IC Integrated Circuit, thick film hybrid
J Jack socket
K Relay, key switch
L Inductor
M Indicating device—meter, etc
PPlug
R Resistor
S Switch
T Transformer, common mode choke
TP Test Point
U Modem, Modulator
V Semiconductor (not including small signal and power
diodes)
X Terminals
Z Quartz Crystal, Crystal Filter, Frequency Network