Tektronix 2230 Service Manual

Adjustment Procedure—2230 Service
VERTICAL
Equipment Required (See Table 4-1):
Calibration Generator (Item 1)
10X Attenuator (Item 14)
Leveled Sine-Wave Generator (Item 2)
BNC Male-to-Miniature-Probe Tip (Item 16)
50 f) BNC Cable (Item 8)
Low-Capacitance Alignment Tool (Item 18)
Dual-Input Coupler (Item 9)
Screwdriver (Item 19)
50 £2 BNC Termination (Item 12)
10X Probe (Included with instrument)
See . ADJUSTMENT LOCATIONS 1j ; ADJUSTMENT LOCATIONS 2| and ADJUSTMENT LOCATIONS 4
at the back of this manual for test point and adjustment locations.
INITIAL CONTROL SETTINGS Storage
Vertical (Both Channels)
MidrangePOSITION
VERTICAL MODE
X-Y
BW LIMIT
VOLTS/DIV
VOLTS/DIV Variable
INVERT
AC-GND-DC
CH 1
Off (button out)
On (button in)
10 mV
CAL detent
Off (button out)
GND
STORE/NON STORE
SAVE/CONTINUE
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)
Horizontal
PROCEDURE STEPS
POSITION Midrange
HORIZONTAL MODE A
A SEC/DIV 0.5 ms
SEC/DIV Variable CAL detent
XI0 Magnifier Off (knob in)
1. Adjust Step Attenuator Balance (RIO and R60)
a. Position the trace on the center horizontal graticule
line using the Channel 1 POSITION control.
b. Set the CH 1 VOLTS/DIV switch to 5 mV.
A TRIGGER
VAR HOLDOFF
Mode
SLOPE
LEVEL
HF REJECT
A&B INT
A SOURCE
A EXT COUPLING
NORM
P-P AUTO
OUT
Midrange
OFF
VERT MODE
INT
AC
c. ADJUST—Step Attn Bal (RIO) to set the trace on
the center horizontal graticule line.
d. Set the CH 1 VOLTS/DIV switch to 10 mV.
e. Repeat parts a through d until there is no trace shift
when changing the CH 1 VOLTS/DIV switch from 50 mV
to 5 mV.
5-6

Tektronix 2230 Specifications

General

Brand	Tektronix
Model	2230
Category	Test Equipment
Language	English