Tektronix 2230 Service Manual

Performance Check Procedure—2230 Service
TRIGGER
Equipment Required (see Table 4-1):
Leveled Sine-Wave Generator (Item 2)
Dual-Input Coupler (Item 9)
Low Frequency Generator (Item 4)
50 Q BNC Termination (Item 12)
50 0 BNC Cable (Item 8)
600 n BNC Termination (Item 13)
INITIAL CONTROL SETTINGS Storage
Vertical
POSITION (both) • Midrange
VERTICAL MODE CH 1
X-Y Off (button out)
BW LIMIT Off (button out)
CH 1 VOLTS/DIV 5 mV
CH 2 VOLTS/DIV 50 mV
VOLTS/DIV Variable (both) CAL detent
INVERT Off (button out)
AC-GND-DC (both) DC
STORE/NON STORE
SAVE/CONl'INUE
PRETRIG/POST TRIG
ROLL/SCAN
1K/4K
POSITION CURS/
SELECT WAVEFORM
WAVEFORM REFERENCE/
MENU SELECT
NON STORE (button out)
CONTINUE (button out)
POST TRIG (button out)
SCAN (button out)
4K (button out)
POSITION CURS
(button in)
WAVEFORM REFERENCE
(button in)
PROCEDURE STEPS
Horizontal 1. Check Internal A and B Triggering
POSITION
HORIZONTAL MODE
A and B SEC/DIV
SEC/DIV Variable
XI0 Magnifier
B DELAY TIME POSITION
Midrange
A
0.2 m s
CAL detent
Off (knob in)
Fully counterclockwise
a. Connect the leveled sine-wave generator output via
a 50 ft cable and a 50 9 termination to the CH 1 OR X
input connector.
b. Set the generator to produce a 10 MHz, 3.5-division
display.
B TRIGGER ,
c. Set the CH 1 VOLTS/DIV switch to 50 mV.
SLOPE OUT
LEVEL Midrange
d. CHECK—Stable display can be obtained by adjust
ing the A TRIGGER LEVEL control for each switch combi
A TRIGGER
nation given in Table 4-7.
VAR HOLDOFF
NORM
Mode
P-P AUTO
e. Set the HORIZONTAL MODE switch to B.
SLOPE
OUT
LEVEL
Midrange
HF REJECT
OFF
f. CHECK—Stable display can be obtained by adjust
A&B INT CH 1
ing the B TRIGGER LEVEL control to a position other
A SOURCE
INT
than the B RUNS AFTER DLY position for both the OUT
A EXT COUPLING
DC
and IN positions of the B TRIGGER SLOPE switch.
4-17

Tektronix 2230 Specifications

General

Brand	Tektronix
Model	2230
Category	Test Equipment
Language	English