Tektronix 2430 Service Manual

4-5
i. Increase the Power Supply output level until the
CH 1 trace rises to the center graticule line (+20 V).
To prevent damage to the input circuitry when in
50 il DC coupling mode, the 20 V Power Supply
shouldbe turned off immediatelyif automatic OVER-
LOAD switching does not occur within 15 seconds
after applyingthe power sourceand setting the 50 il
couplingONin part j.
h. Set 50 Q ON:OFF to OFF and the CH 1 VOLTS/DIV
to 5 V.
g. VERIFY-For a period of 1 minute, the readout
display does not indicate any overload condition (50 Q
OVERLOAD).
f. Select CH 1 COUPLING/INVERT and set 50 Q
ON:OFFto ON.
e. Adjust the Power Supply output level until the CH 1
trace rises to 1 division above the center graticule
line (5 V).
5X Attenuator (Item 13)
2X Attenuator (Item 14)
10X Probe (Item 16)
1X Probe (Item 17)
Dual-Input Coupler (Item 18)
d. Turn on the Power Supply.
c. Using the CH 1 VERTICAL POSITION control, align
the trace to the bottom graticule line.
b. Connect the Power Supply (Power Supply should be
turned off) to the CH 1 OR X input connector via a BNC
female-to-dual banana adapter and a 50 Q BNC cable.
OFF
Select CH 2 COUPLING/INVERT
Set: 50 Q ON:OFF
OFF
Select CH 1 COUPLING/INVERT
Set: 50 Q ON:OFF
Off
Select VERTICAL MODE
Set: CH 2
1 V
1 V
Set: CH 1 VOLTS/DIV
CH 2 VOLTS/DIV
1. Verify CH 1 and CH 2 50 n OVERLOAD
Protection.
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:
Equipment Required (See Table 4-1):
Leveled Sine-Wave Generator (Item 1)
Calibration Generator (Item 2)
Power Supply (Item 5)
Coaxial Cable (Item 9)
Precision Coaxial Cable (Item 10)
10X Attenuator (Item 12)
NOTE
Before performing the steps in this subsection,perform the INITIAL FRONT PANEL CONTROL
SETUPat the beginningof this procedure.
VERTICAL SYSTEM
Performance Check and Functional Verification Procedure
2430 Service

Tektronix 2430 Specifications

General

Brand	Tektronix
Model	2430
Category	Test Equipment
Language	English