Philips PM32671 Service Manual page 64

STEP 0 BJ ECTl V E INPUT VOLTAGE
4.5. Horizontal or X-axis
Square-wave signal 2kHz,
4.5.1. Display modes
ampl. 120mV to input A
Horizontal
positioning range
4 . 6 . Triggering of the main
time-base
Square-wave signal 2kHz
Trigger source and
trigger coupling ampl. 300mV to input A
Square-wave signal 2kHz,
EXT (X5)
!
-
-
-
Depress MTB of S2
-
-
Depress DTB of S2
- Depress ALT TB of S2
-
Depress X DEFL of S2
- X POS control R 5 / 7
-
X POS control R5
-
- Depress LF of S20
- Depress TRIG VIEW of S1
-
Depress HF of S20
- Depress B of S1
- AMPL/DIV (S11 ) to 50mV
- Depress DC of
-
Depress B of S23
-
Depress EXT of S23
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I
EQU I R EM E NTS
- Square-wave signal 2.4 div. high
MTB (trace)
-
lntensified part DTB visible
- lntensified part (DTB) visible over the
entire screen width
- MTB trace with intensified part and
DTB trace visible. Adjust vertical
spacing between both displays with
TRACE SEP control R15.
- Horizontal deflection
the input signal A (2.4 div.)
Starting point trace to horizontal centre
of the screen
End of trace to horizontal centre of the
screen
NOTE: If signal is triggered the NOT
TRIG'D led B 1 is off.
to 50mV Well triggered display
Square-wave signal visible with roundings
Differentiated square-wave visible
S20
Well triggered display
Well triggered display
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MEASURING RESULTS
is determined by
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