Main Tests; Operation Verification Procedure - Philips SCOPEMETER PM93 Service Manual

CORRECTIVE MAINTENANCE
7-5
7.1.4 Main tests
7. 1.4. 1 Operation Verification Procedure
This test verifies the ScopeMeter with a minimum of test steps and actions. It does not check every
facet of the ScopeMeter's characteristics, but it gives you an indication of correct operation.
For operation verification purposes, the ScopeMeter generates a 975 Hz/ 5V peak-to-peak square
wave signal that can be measured and verified. This signal is measured in the SCOPE and METER
mode.
NOTE: To use the ScopeMeter to its fullest capability it is essential to use only calibrated probes with
your instrument. These calibrated probes are delivered with the ScopeMeter.
Operation Verification Procedure:
1. Turn ON the ScopeMeter.
2. Connect the red 10: 1 scope probe to channel A (red BNC) input.
3. Connect the red adjust adapter to the red banana GENERATOR OUTput connector.
4.
Connect the red probe to the red banana/scope tip adapter.
5. Press the
SCOPE
key.
6.
Press the
LCD/CAL
key.
7. Press the
PROBE CAL
soft key to select the CAlibration & ADJUST pop-up menu.
8.
Press the
1..6.llvl
select/adjust keys to select AC ADJUST of channel A.
9. Press the ENTER soft key to enter the AC ADJUST mode.
Check the
SCOPE
display on the following settings and results:
Channel Configuration
Vertical Amplitude
Channel Input Coupling
Probe Selected
Time Base
Trigger Mode (Press
SCOPE
key)
Trigger Source (Press
TRIGGER
key)
Trigger Slope (Press
TRIGGER
key)
Channel A
1V/div
AC
PROBE x10
100/ls/div
Recurrent
Channel A
+
Slope