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5.5.9.
Calibration voltage
- Check if the output voltage on CAL output socket X I has a frequency of 2kHz
between 45 and 55%.
-
Check the output voltage on X I with a well calibrated oscilloscope. Amplitude must be 1.2 Volt
If incorrect readjust R1549 on unit 5.
5.6.
ADJUSTMENT INTERACTIONS
This table shows you what adjustment points are affected (see horizontal row) after readjustment of
adjustment point in the vertical row.
The adjustment points that are affected may also need readjustment.
ADJUSTMENT MADE
POWER SUPPLY
Current
R401
R14
Geometry. R1472
BALANCE ADJUSTMENTS
LF mrrenion
Add. bal.
Final
LF CORRECTIONS AND SENSlTlVlTlE
Cont. confroi R622iR822
Cont.
Gain X10
Trig. view
VERTICAL CHANNELS
sq.
wave
2mV
Trig. view
TRIGGERING
Trig. rymm.
Trig.
Trig.
MTB
Trig.
R841
Trig.
DTB
TIME BASE GENERATORS
M T B - R1384. R1381, R348
R347
X-DEFLECTION
4
5-23
10%) and a duty cycle
0.7%.
certain
a
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