Yaesu FRG-100, Technical Supplement

Page: 15 / 79

Alignment
Only one board (if optional)
should be installed at a time for access the
board being aligned. Also, the equipment
must be thoroughly warmed up before
ning.
Note: Signal in referred in
alignment are based on 0
Table note: DC should be
of those listed in the voltage tables.
Local Unit
(1) Ref erence Oscillator
Connect the frequency counter to
TC2701 for 10.485760 MHz 5 Hz.
If the TCXO is installed, 10.485760
MHz Hz on the counter.
(2) 2nd Local Oscillator
0
0
Connect a resistor in parallel with the
frequency counter the J2011.
T2004 for 46.755 MHz on the
counter.
Replace the counter with the RF
ter, and
at least 45
Connect the RF millivoltmeter to and
T2001, T2002, and T2003 for maximum
(at least 60 on the
(3) vco
and
2
0
Tune the receiver to 3.999 MHz and select
USB mode.
0
Connect the DC Voltmeter to TP2002
adjusting connect the DC Voltmeter to
TP2002)
0 for 7.0 0.1
Confirm the voltage as shown below.
Frequency (MHz)
0.050
Volts DC
0.9 1.4
vco3
0
Tune the receiver 14.499 MHz in USB
mode.
0
for 7.0 V ti.l
0
Tune the receiver to 8.00 MHz, and
1.1 to 1.6 V on the
v c o 4
0
0
Tune receiver to 21.999 MHz in USB
mode.
for 7.0 V fl.1 V.
Tune the receiver to 14.500 MHz, and
0.8 to 1.3 on the
v c o 5
0
Tune the receiver to 30.000 MHz in USB
mode.
for 7.0 V V.
Tune the receiver to 22.000 MHz, and
1.4 to 1.9 V on the
Main
(1) 2nd Local Amplifier
Connect the RF millivoltmeter to
0 Tl003 on the unit for maximum
(at least on the
(2) IF Werstage Transformer
0
0
0
0
the FM Unit (Option) to the Main Unit,
and select FM mode.
Connect the RF
generator to the
tenna and inject an 80 at
14.200 MHz.
Tl006 through Tl009 for Optimum
SINAD the level as
Turn the modulation (of the
generator) and inject an 80 at
14.200 MHz.
through and Tl019 in
succession several times for peak
the level as
(3) IF Gain
Inject 6 at 14.200 MHz the antenna
and tune for peak on the
Technical Supplement