R.V.R. Elettronica PJRL250, Техническое руководство

Страница: 33 / 69

PJRL250 Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 33
10) Perform the adjustment of the Overdrive trip point as indicated in
step 9 of L.P. FILTER ADJUSTMENT.
Note: If the L.P. Filter has not been changed, DON’T move trimmer TR1 inside
the filter.
11) Perform the adjustment of SWR/ANT indicator and protection as in-
dicated in step 11 of L.P. ADJUSTMENT
12) Check the over-temperature protection by short circuiting the
terminals of the temperature sensor placed on the R.F. Power Ampli-
fier Module; the appropriate led will light, and the amplifier w i l l
stop.
13) Short circuit Pin 8 and 22 on the Telemetry Connector (3 Fig.2),
and verify that the EXT.ST.BY led lights and the amplifier stops.
14) Short circuiting Pin 21 and 22 on Telemetry Connector, and verify
that the PJRL250 will regularly restart.
NOTE: The operations performed in steps 13 and 14 will reset all the alarm
memories returning the amplifier to the conditions of the first power on.