Operating instructions
FIGURE
NO
.
Frontispiece
. . . . . . . . . . . . . . . . . . . . .
.
vi
1-1
Location
of
release
latch
. . . . . . . . . . . . .
1-1
1-2
Front-panel
controls,
connectors,
and
indicators
. . . . . . . . . . . . . . . .
.
. .
.
1-2
1-3
Effect of
LEVEL
control
and
SLOPE
switch
on
crt
display
. . . . . . . . .
.
. .
.
.
.
1-8
1-4
Area
of
graticule
used
for
most
accurate
time
measurements
. . . . . . . . . . . . .
.
.
.
1-9
1-5
-
Operation
of
sweep
magnifier
. . . .
. . . . .
1-9
1-6
Measuring
the
period
and
determining
the
frequency
of
a
displayed
waveform
. .
.1-10
1-7
Measuring
the
rise
time
and
fall
time
of
a
displayed
waveform
.
.
. . . . .
. . . . . .
.
.1-11
1-8
Measuring
the
pulse
width
of
a
displayed
waveform
. . . . . . . . .
.
. .
. . . . . .
. .
.
.
.1-12
2-1
71380 dimensional
drawing
. . .
. . . . . . . .
2-3
3-1
3-2
3-3
3-4
3-5
3-6
4-1
4-2
4-3
4-4
LIST
OF
ILLUSTRATIONS
FIGURE
PAGE
NO
.
71380
Instruction
PAGE
4-5
Location
of
pin
numbers
on
Interface
connector
.
. . . . . . . . . . . . . . . . . . . . .
4-5
4-6
71380
troubleshooting
chart
. . . . . . . . . . .
4-8
4-7
Readout
board removal procedure
. . . . . .
4-11
4-8
Coaxial
end-lead
connector assembly
. . . .
.4-12
4-9
Cam
switch
removal
procedure
. . . . . . . .
.4-14
4-10
Removal
procedure
for
typical
push-button
switch
. . . . . . . . . . . . . . .
.4-15
4-11
Exploded
view
of
circuit-board
pin
and
ferrule
. . . . . . . . . . . . . . . . . . . . .
.4-16
4-12
Front-panel
light
socket
assembly
. . . . . .
.4-16
The
illustrations
in
Section
8
are
located
near
their
associat-
ed
Diagrams
on
the
foldout
pages
.
Basic
block diagram
of
the
71380
8-1
Semiconductor
lead
configurations
.
Time-Base
Unit
.
.
. .
. . . . .
.
. .
. . . . . . .
3-2
8-2
Location
of
circuit
boards
in
the
7880
.
Detailed
block diagram
of
Trigger
8-3
A1-Interface
circuit
board
assembly
.
Generator
. .
.
. . . .
. . . . .
.
.
. . . . . . . .
3-6
8-4
A2-Trigger
circuit
board assembly
.
Functional
diagram
of
Trigger
Source
8-5
A3-Readout
circuit
board assembly
.
Selector
. . . .
. .
. .
. . . . . .
. . . . .
. . . . .
3-8
8-6
A1-Interface
circuit
board
assembly
.
Timing
diagram
for
Gate Generator
8-7
A2-Trigger
circuit
board
assembly
.
(Q92,
Q96,
Q98)
.
. .
. .
. . . . . . . . . . . . .
3-9
8-8
A1-Interface
circuit
board
assembly
.
Detailed
block diagram
of
Logic
circuit
. . .
3-10
8-9
A1-Interface
circuit
board
assembly
.
Detailed
block diagram
of
Sweep
8-10
A3-Readout
circuit
board
assembly
.
Generator
. .
.
.
. . . . . . . . . . . . . . . . .
.3-12
8-11
A1-Interface
circuit
board
assembly
.
Lubrication
procedure
for
a
typical
8-12
A3-Readout
circuit
board
assembly
.
cam
switch
. .
. . . . . . . . . . . . . . . . . . . .
4-2
8-13
A1-Interface
circuit
board assembly
.
Semiconductor
lead
configuration
. . . . . .
4-4
8-14
A5-X-Y
Switch
circuit
board
assembly
.
Inter-board
multi-pin
connector
8-15 Location
of
Sweep
Timing
adjustments
.
assembly
.
. . . . . . . . . . . . .
. . . . . . . . .
4-5
8-16
Location
of Triggering
adjustments
.
End-lead
multi-pin
connector
assembly
. . .
. . . . . . . . . . . . . . . . . . . .
4-5