Philips PM32671 Service Manual page 68

100 mhz dual-channel oscilloscope
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TEP
OBJECTIVE
INPUT VOLTAGE
Single shot
Square-wave signal 10kHz
to input A
Hold off
Square-wave signal repeti-
tion time lops to input A
delayed time-base
Trigger source, trigger
Sine-wave signal 2kHz
ampl. 300mV to input A
Sine-wave signal 2kHz
ampl. 300mV to input
I
I
-
-
Depress SINGLE of
S3
- TIME/DIV to 2@
-
HOLD OFF R 1 1 0
-
-
-
-
Depress A of S22
- Adjust LEVEL
-
Depress DTB of S2
-
Increase freq. of input signal to
-
Depress HF of S19
- Decrease freq. o f input signal to
-
Depress LF of S19
-
Decrease freq. of input signal to
-
Depress DC of S19
B
- Depress MTB of S2
-
Depress B of S1
- Depress
B
of 523
-
Depress B
of
S22
- Adjust LEVEL
- Depress MTB of S22
I
I
-
Trace once visible
-
During SINGLE shot action NOT
TRIG'D led B1 lights up
-
Sweep HOLD OFF time can be varied
by a factor of I 0
trace intensity
decreases.
-
Well triggered intensified part (DTB
signal)
-
Well triggered intensified part
-
Trace must be well triggered
- Trace must be well triggered.
- Trace must be well triggered
- Well triggered intensified part
- Intensified part well triggered indepen-
dent of R4.
I
I
I
MEASURING RESULT!
I
I
I

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