Philips PM32671 Service Manual page 61

100 mhz dual-channel oscilloscope
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STEP
OBJECTIVE
INPUT VOLTAGE
4.3.1 2.
Trace jump
a) attenuator
b) normal/invert
c) continuous control
Sine-wave signal 500kHz
4.3.1 3.
ampl. 120mV to input A
A (B)
Sine-wave signal 500kHz,
1 O O M Hz, ampl. 120mV to
input A
-
Depress 0 of S17 6 1 8 )
-
Set trace in the centre of the screen
-
Switch AMPLIDIV switch
...
between 1OV
20 div
-
Switch AMPLIDIV switch
between 2mV and 20mV
-
Depress 0
S17 618)
of
-
Trace in the centre of the screen
-
Pull and push switch S4 (S5)
...
-
AMPLIDIV: 1OV
-
...
AMPLIDIV: 10mV
-
Depress 0
of
S17 (S18)
-
Set trace in the centre of the screen
-
Rotate the continuous control
-
...
-
AMPLIDIV switch to 20mV
-
Adjust generator to ampl. of input
signal to trace height 6 div.
Trace jump
0.2 div.
Trace jump
0.4 div.
1 div
Trace jump
Trace jump
2 div
Trace jump
0.3 div.
Trace height must be
4.2 div.
I
I
MEASURING RESULTS

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