Tektronix 2430 Service Manual

e. Connect the A TRIG (TTL) output at the 2430 rear
panel to the CH 2 input connector with a 50 Q BNC cable.
Do not use a terminator.
d. Set the generator marker period to 5 ms.
c. Connect the MARKER OUT signal of a Time Mark
Generator to the CH 1 input through a 50 Q cable. Do not
use a terminator.
b. Select TRIGGER MODE and set RUNS AFTER on.
Set A/B TRIG to A.
1 V
2V
5 ms
B
CH 1 VOLTS/DIV
CH 2 VOLTS/DIV
A SEC/DIV
A/B TRIG
Set:
Select CH 2 COUPLING/INVERT
Set: 50 Q ON:OFF OFF
3. Verify the DELAY EVENTS function.
a. Recall the Initial Front Panel Setting by performing
the following sequence: Select SAVE/RECALL SETUP,
press the menu button labeled RECALL (menu will
change), and then press the menu button labeled 1. Make
the following changes to the front panel setup:
s. Disconnect the test setup.
r. Press the CURSOR SELECT button to enable the ~
DELAY TIME readout. Repeat parts p and q to check that
readout.
q. CHECK-That the readout can be advanced in
increments at least as small as 0.02 f.LS .
p. Slightly rotate the CURSOR/DELAY control to
increase the ~ DELAY TIME reading the least amount
possible.
o. Set the HORIZONTAL MODE to B. VERIFY-That
two superimposed time markers are displayed, one with
two Trigger Point Indicators on its rising edge. Slightly
adjust the CURSOR/DELAY control as necessary to see
both markers.
n. VERIFY-That the ~ DELAY intensified zone is on
the marker that is three divisions right of center screen.
4-24
m. Using the CURSOR/DELAY control, adjust the ~
DELAY TIME Readout for a reading of 300.00 f.LS.
I. Press the DELAY TIME button (toggles between
DELAY and ~ DELAY TIME on the displayed menu) to
enable the ~ DELAY intensified zone. The DELAY TIME
button is located to the right of the CURSOR/DELAY
control.
k. Press the ~ TIME ON:OFF menu button to set ~
TIME ON.
j. Use the CURSOR/DELAY control to adjust the
DELAY TIME Readout for a reading of 50.00 ILS (the
intensified zone will be aligned to the time marker 3 divi-
sions left of center screen).
i. Set the HORIZONTAL MODE to A INTEN and use
the HORIZONTAL POSITION control to position the A
Trigger Point Indicator to the graticule line 4 divisions left
of center screen.
h. Set the HORIZONTAL MODE to B. VERIFY-The B
Trigger POint Indicator is on the rising edge of the
displayed time marker.
g. VERIFY-That the intensified zone is on the time
marker that is 3 divisions right of center screen.
f. Select DELAY TIME and use the CURSOR/DELAY
control to adjust the DELAY TIME Readout for a reading
of 300.00 ILS.
e. Set the generator marker period to 50 ILS.
d. Connect the MARKER OUT signal of a Time Mark
Generator to the CH 1 input through a 50 n cable. Do not
use a terminator.
c. Use the HORIZONTAL POSITION control to align
the Trigger Point Indicator (a small "T" on the displayed
trace) to the vertical graticule line 3 divisions left of center
screen.
b. Select TRIGGER MODE and set RUNS AFTER on.
Set A/B TRIG to A.
Performance Check and Functional Verification Procedure
2430 Service

Tektronix 2430 Specifications

General

Brand	Tektronix
Model	2430
Category	Test Equipment
Language	English