Tektronix 2215A User Manual

Adjustment Procedure—2215A Service
2. Adjust X10 Horizontal Amplifier Gain (R754)
a. Set:
HORIZONTAL MODE A
X I0 Magnifier On (knob out)
b. Select 10-ms time markers from the time-mark
generator.
c. Align the nearest time marker to the first vertical grati
cule line with the first graticule line.
d. CHECK—The 11th time marker can be positioned to
the left of the center vertical graticule line by rotating the
Horizontal POSITION control fully counterclockwise.
e. Select 50-mS time markers from the time-mark
generator.
f. Align the 3rd time marker with the center vertical grati
cule line using the Horizontal POSITION control.
g. Set the X I0 Magnifier to On (knob out).
d. ADJUST— X I0 Gain (R754) for 1 time marker per
division.
3. Adjust Magnifier Registration (R749)
a. Select 0.5-ms time markers from the time-mark
generator.
h. CHECK— Magnified time marker can be positioned to
the left of the center vertical graticule line by rotating the
Horizontal POSITION control fully counterclockwise.
i. CHECK— Start of the sweep can be positioned to the
right of the center vertical graticule line by rotating the Hori
zontal POSITION control fully clockwise.
b. Position the middle time marker to the center vertical
graticule line using the Horizontal POSITION control.
c. Set the X I0 Magnifier to Off (knob in).
d. ADJUST—Mag Regis (R749) to position the middle
time marker to the center vertical graticule line.
5. Check Variable Range
a. Set:
Horizontal POSITION
A SEC/DIV
SEC/DIV Variable
X I0 Magnifier
Midrange
0.2 ms
Fully counterclockwise
Off (knob in)
b. Select 0.5-ms time markers from the time-mark
e. Set the X I0 Magnifier to On (knob out) and CHECK generator,
for no horizontal shift in the time marker.
f. Repeat parts c through e until no further improvement
is noted.
4. Check Position Range
a. Set:
Channel 1 Input Coupling DC
A SEC/DIV 10 ms
c. CHECK—Time markers are 1 division or less apart.
6. Adjust Delay Dial Timing (R646 and R652)
a. Set:
HORIZONTAL MODE ALT
A SEC/DIV 0.1 ms
B SEC/DIV 1 ms
SEC/DIV Variable CAL detent
B DELAY TIME POSITION 1.00
b. Select 10-ms time markers from the time-mark
generator.
c. CHECK—Start of the sweep can be positioned to the
right of the center vertical graticule line by rotating the Hori
zontal POSITION control fully clockwise.
b. Select 0.1-ms time markers from the time-mark
generator.
c. Adjust the A/B SWP SEP control to separate the A
and B Sweeps.
5-14

Tektronix 2215A Specifications

General

Brand	Tektronix
Model	2215A
Category	Test Equipment
Language	English