Multitone FLA 872, Техническое руководство

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ARM
ARM LOCK
CV404
CV406
CV407
ALIGNMENT PINS PROGRAMMING PINS
CV405
TLA 852/FLA 872
TM1205 Issue 2 Page 5 - 23
Figure 5.12: P671A Showing the Tuning Points
e) Put a known good battery in the unit (but leave the battery door off). Put the
unit in the P671A jig, fold the jig arm over the unit and lock the arm in
position.
f) Connect the SINAD meter to the alignment pins on the P671A (refer to
Figure 5.12)
g) Set the modulation of 1kHz to a deviation of 3 kHz and switch it ON. Adjust
CV404 to give 12dB sinad with minimum RF input. A reading of -98dB
should be achieved.
NOTE: Do not disturb the aerial during the next operation .
h) Carefully remove the Board Assembly from the case. Remove the BEC
disable 0 ohm resistor or the shorting link from R456 position. Carefully
assemble the Board Assembly in the case and put a new label on the case
back to cover the aerial trimmer access hole.