Honeywell bendis king KLN 94, Maintenance Manual

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BENDIX/KING KLN 94
Page 5-16 15599M00.JA Rev 0, Sept/2000
D. Connect a frequency counter to the ALT ALERT AUDIO output (THTP15, THTP16).
E. Check for a reading of 1000Hz
±
100Hz.
F. If no failure is indicated, record the frequency reading on the Final Data Sheet.
G. Connect an oscilloscope to the ALT ALERT AUDIO output (THTP15, THTP16).
H. Verify the amplitude of the signal is between 4.2Vp-p and 6.8Vp-p. Connect scope
to DC Roll Steering (THTP17, GND), output = +2.69
±
.135 VDC.
I. If no failure is indicated, record the reading on the Final Data Sheet.
J. Press the CLR button.
K. Verify amplitude of the Alt. Alert Audio signal is between 8.4Vp-p and 12.4Vp-p at
(THTP15, THTP16). Verify that DC Roll Steering (THTP17, GND) for negative is -
2.69
±
.135 VDC.
L. If no failure is indicated, record the reading on the Final Data Sheet.
5.2.4.18 CONFIGURATION MODULE TEST
A. Turn the right inner knob on the unit until the TST 10 page is displayed as below.
B. If the configuration module is not present, then the following message will be dis-
played.
TST 5
ALTITUDE ALERT
AUDIO ON HALF
VOLUME
DC ROLL STEERING
POSITIVE
Press NRST To Test
Config Module
TST 10
Config Module Absent
Install it before test
TST 10