w. Disconnect the test setup.
v. Repeat parts c through r using the CH 2
VOLTS/DIV control.
u. Select BANDWIDTH and set 20 MHz on.
t. Select VERTICAL MODE and set CH 2 on and CH 1
off. Return the A SEC/DIV control to 20
IlS.
s. Move the cable from the CH 1 input connector to
the CH 2 input connector. Insert the two
lOX
attenuators
back into the test setup.
r. Repeat parts c through I.
q. Remove the last
lOX
attenuator from the test setup.
p. Set the CH 1 VOLTS/DIV control to 200 mV and the
A SEC/DIV control to 20 IlS. Set 20 MHz on for the
displayed BANDWIDTH menu.
o. Repeat parts c through I.
n. Remove one of the
lOX
attenuators from the test
setup.
m. Set the CH
1
VOLTS/DIV control to 50 mV and the
A SEC/DIV control to 20 IlS. Set 20 MHz on for the
displayed BANDWIDTH menu.
I. CHECK-Display amplitude is between 4.85 and
5.10 divisions.
k. Increase the generator frequency to 30 MHz and set
the A SEC/DIV control to 20 ns.
j.
CHECK-Display amplitude is between 4.90 and
5.05 divisions.
4-32
i. Increase the generator frequency to 10 MHz and set
the A SEC/DIV control to 50 ns.
h. CHECK-Display amplitude is between 4.95 and
5.05 divisions.
g. Repeat parts c and d.
f. Set the BANDWIDTH LIMIT menu to FULL. Set the
A SEC/DIV control back to 20 IlS.
e. CHECK-Display amplitude is between 4.80 and
5.05 divisions.
d. Increase the generator output frequency to 5 MHz
and set the A SEC/DIV control to 200 ns.
c. Set the generator to produce a 50 kHz, five- division
display.
b. Connect the output of a Leveled Sine-Wave Genera-
tor to the CH 1 input connector via a 50 Q cable, two
lOX
attenuators, and a 50 Q terminator.
On
Select BANDWIDTH
Set: 20 MHz
Off
Select VERTICAL MODE
Set: CH
2
10 mV
10 mV
20 IlS
Set: CH 1 VOLTS/DIV
CH 2 VOLTS/DIV
A SEC/DIV
OFF
Select CH 2 COUPLING/INVERT
Set: 50 Q ON:OFF
OFF
Select CH
1
COUPLING/INVERT
Set: 50 Q ON:OFF
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:
8. Check Frequency Response Flatness
(FULL and 20 MHz BANDWIDTH Modes)
(TV Option 05 only).
Performance Check and Functional Verification Procedure
2430 Service
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