Multitone RPR 583, Техническое руководство

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ARM
ARM LOCK
CV404
CV406
CV407
ALIGNMENT PINS PROGRAMMING PINS
CV405
RPR 583
TM1212 Issue 1 Page 5 - 24
Fig. 5.13: 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 5.13)
g) Set the modulation to 1kHz at 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.