Table of Contents
Advertisement
RP-F11/F11L
|
FM-RF ALIGNMENT
(Fig. 11)
. Turn on the signal generator and the VTVM, and allow a fifteen-minute warm-up period.
. Connect the signal generator output through a 75 ohm dummy antenna across FM ANT.
. Connect the VTVM across the voice coil or Ear Phone Jack.
. Set the volume control to mid-position.
. Adjust the signal generator frequency as indicated in FM-RM
ALIGNMENT
CHART,
and maintain a sufficient
oP
WON
=
signal output level to provide a measurable indication.
6. Proceed as outlined in the FM-RF ALIGNMENT
CHART.
FM-RF ALIGNMENT CHART
Signal Generator
Radio Dial Setting
Adjustment
Remarks
87.5 MHz
Tuning Knob fully
Counterclockwise
(Lowest Frequency)
OSC. Coil
LOo04
Adjust for maximum
output indication.
108.0 MHz
Tuning Knob fully
Clockwise
(Highest Frequency)
OSC. Trim
CO06-A
Adjust for maximum
output indication.
90 MHz
106 MHz
CAUTION:
Repeat steps 1 and 2 as required.
Tune to signal.
Ant. Coil
L003
Ant. Trim.
CO006-B
Repeat steps 4 and 5 as required.
Adjust for maximum
output indication.
When realigning the FM Receiving Frequency, the highest end of the frequency range should not be more than 108 MHz
and the lowest end of the frequency range should not be less than 87.5 MHz, in order to comply with FTZ regulations in
West Germany.
GENERATOR
COUPLING
HOOK-UP
FM
GENERATOR
Figure 11
RECEIVER UNDER TEST
ANTENNA
TERMINAL
FM ANTENNA
V.T.V.M.
|
i
:
h
B a
Advertisement
Table of Contents
