Tektronix 7B15 Instruction Manual page 5

FIGURE
NO .
Frontis-
piece
1-1
1-2
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
REV A MAY 1979
7815 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Location of release latch . . . . . . . . . . . . . . . . . . . . . . 1-1
71315 dimensional drawing . . . . . . . . . . . . . . . . . . . . 1-5
Front-panel controls, connectors,
and indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Effects of LEVEL control and SLOPE
switch on crt display . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Area of graticule used for most accurate
time measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Effect of sweep magnifier on crt display . . . . . . . 2-9
(A) Delaying-sweep display produced by 7815
in the A horizontal compartment . (B) Delayed-
sweep display produced bycompanion
time-base unit in the B horizontal
compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Typical A (Differential Time Operation . . . . . . . . 2-11
Measuring time intervals from a triggering
event (start of sweep) to any point on
waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Measuring risetime, fall time, period,
frequency, or pulse width in the L (differential)
time mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Magnifying a selected segment of the delaying
(A) sweep in the delay-time mode with
mainframe alternate or chopped horizontal
operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Time-interval measurements in the delay-time
and A (differential) time mode with mainframe
alternate or chopped operation . . . . . . . . . . . . . . . 2-15
Examining an event that occurs within a
selected time interval after a known delay
time in the delay-time mode . . . . . . . . . . . . . . . . . 2-16
FIGURE
PAGE
NO .
3-2
3-3
3-4
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
Basic block diagram of the 7815 Delaying
Time Base unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ., 3-2
Timing diagram for Gate Generator stages
Q160, Q164, and Q174 . . . . . . . . . . . . . . . . . . . . . . . 3-8
Timing diagram for Delay Pickoff
Inhibit stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Digital Voltmeter timing diagram . . . . . . . . . . . . . . 3-13
Lubrication procedure for a typical cam switch 4-2
Semiconductor lead configuration . . . . . . . . . . . . . . 4-4
Inter-board multi-pin connector assembly . . . . . . . 4-5
End-lead multi-pin connector assembly . . . . . . . . . 4-5
Location of pin numbers on Interface connector 4-5
P38 cable dress illustration . . . . . . . . . . . . . . . . . . . 4-10
Readout board removal procedure . . . . . . . . . . . . . 4-11
Coaxial end-lead connector assembly . . . . . . . . . 4-12
Cam switch removal procedure . . . . . . . . . . . . . . . 4-14
Removal procedure for typical push-
button switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Hypcon connector removal and replacement . . . 4-18
Exploded view of circuit-board pin
and ferrule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Front-panel light socket assembly . . . . . . . . . . . . . 4-20
8-1 Semiconductor lead configuration .
8-2 Location of circuit boards in the 7815 .
8-3 A1-Interface circuit board assembly .
8-4
A2-Trigger circuit board assembly.
8-5 A3-Readout circuit board assembly .
8-6 A4-Digital Voltmeter circuit board assembly .
8-7 Location of Sweep Timing adjustments .
8-8 Location of Digital Voltmeter adjustments .
8-9 Location of Triggering adjustments .
71115
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