Tektronix 2230 Service Manual

Operating Information—2230 Service
OPERATOR’S CHECKS AND
ADJUSTMENTS
To verify the operation and basic accuracy of your
instrument before making measurements, perform the fol
lowing checks and adjustment procedures. If adjustments
are required beyond the scope of these operator's checks
and adjustments, refer the instrument to qualified service
personnel.
For new equipment checks, before proceeding with
these instructions, refer to "Preparation for Use” in this
manual to prepare the instrument for the initial start-up
before applying power.
INITIAL SETUP
1. Verify that the POWER switch is OFF (switch is in
the out position), then plug the power cord into the ac
power outlet.
Horizontal
HORIZONTAL MODE
A
A SEC/DIV
0.5 ms
Var Sec/Div CAL (in detent)
POSITION
Midrange
X I0 Mag
B DELAY TIME
Off (Var Sec/Div knob in)
POSITION
Fully counterclockwise
iggers
VAR HOLDOFF
NORM (fully
counterclockwise)
A&B INT
VERT MODE
A SOURCE INT
A Mode
P-P AUTO
A LEVEL
For a stable display
(with signal applied)
A SLOPE
OUT (plus—button out)
B LEVEL
B RUNS AFTER DELAY
(fully clockwise)
B SLOPE OUT (plus—button out)
HF REJECT
OFF (fully counterclockwise)
2. Press in the POWER switch (ON) and set the instru
ment controls to obtain a baseline trace:
Display
A and B INTENSITY Midrange
STORAGE/READOUT
INTENSITY Midrange
(with READOUT on)
FOCUS Best defined display
Storage
STORE/NON STORE
SAVE/CONTINUE
PRETRIG/POST TRIG
ROLUSCAN
1K/4K
POSITION CURS/
SELECT WAVEFORM
WAVEFORM REFER-
ENCE/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)
3. Adjust the INTENSITY and FOCUS controls for the
desired display brightness and best focused trace.
Vertical (Both Channels)
VERTICAL MODE
POSITION
VOLTS/DIV
AC-GND-DC
Var Volts/Div
BW LIMIT
CH 1
Midrange
50 mV
DC
CAL (in detent)
Off (button out)
4. Adjust the Vertical and Horizontal POSITION con
trols to position the trace within the graticule area.
5. Allow the instrument to warm up for 20 minutes
before commencing the adjustment procedures. Reduce
the INTENSITY levels during the waiting time.
2-25

Tektronix 2230 Specifications

General

Brand	Tektronix
Model	2230
Category	Test Equipment
Language	English