Tektronix 5103N

5103N
T"
SECTION
8
DIAGRAMS
AND CIRCUIT
BOARD
ILLUSTRATIONS
Symbols
and
Reference
Designators
Electrical
components
shown
on
the
diagrams
are in
the
following
units unless
noted
otherwise:
Capacitors
=
Values
one or
greater are in
picofarads (pF).
Values less
than one
are in
microfarads
(juF).
Resistors
=
Ohms
(£2)
Symbols
used
on the
diagrams
are
based on USA
Standard Y32.
2-1967.
Logic
symbology
is
based
on
Ml L-STD-806B
in
terms
of positive
logic. Logic
symbols
depict
the logic
function
performed
and
may
differ from
the
manufacturer's
data.
The
following
special
symbols
are used on
the
diagrams:
External
Screwdriver
adjustment.
External
control
or connector.
Clockwise
control
rotation
in direction
of
arrow.
Refer to
diagram
number
indicated
in diamond.
Connection
soldered
to
circuit
board.
Connection
made to
circuit
board with
interconnecting
pin.
Blue
tint
encloses
components
located
on
circuit
board.
v^DNiriQuIt;
board.
The following
prefix
letters
are used as
reference
designators to
identify
components
or
assemblies
on the
diagrams.
A
Assembly,
separable
or
repairable
(circuit
board, etc.)
AT
Attenuator,
fixed
or
variable
B
Motor
BT
Battery
C
Capacitor,
fixed
or
variable
CR
Diode,
signal
or
rectifier
DL
Delay line
DS
Indicating
device
(lamp)
F
Fuse
FL
Filter
H
Heat
dissipating
device
(heat
sink,
heat
radiator, etc.)
HR
Heater
J
Connector,
stationary
portion
K
Relay
L
Inductor,
fixed or
variable
LR
Inductor/resistor
combination
M
Meter
Q
Transistor
or
silicon-controlled
rectifier
P
Connector,
movable
portion
R
Resistor,
fixed
or
variable
RT
Thermistor
S
Switch
T
Transformer
TP Test
point
U
Assembly,
inseparable
or
non-repairable
(integrated
circuit, etc.)
V
Electron
tube
VR
Voltage
regulator
(zener
diode, etc.)
Y
Crystal
8-1
SECTION
8
DIAGRAMS