Yaesu FT-736R Technical Supplement page 125

2. Tune the transceiver to 224.99999
(Fex-736-220) ALIGNMENT
3. Remove the 'scope.
MHz, CW mode, and adjust L1003
for 6.0V on the voltmeter. F. 220 MHz RX IF (on 220 MHz RF Unit
3. Retune the transceiver to 220.00000 - requires RF generator)
MHz and confirm at least 2.0V on 1. Connect the RF generator to the
the DC voltmeter. 220 MHz antenna jack.
4, Retune the transceiver to 222.50000 2. Set the transceiver to FM, METER
MHz and adjust T1001 for maximum selector to S/PO and RF gain
on the RF voltmeter. fully clockwise.
5. Disconnect the voltmeters. 3. Tune the RF generator and trans-
ceiver to 222.50000 MHz, and
. » 220 MHz RX (on 220 RF Unit- inject +7 kHz deviation of a 1
requires tracking generator and spec- kHz tone at a level sufficient to
trum analyzer) produce S-7 deflection on the S-
1. Connect the tracking generator to meter.
the 220 MHz antenna jack and the 4, Adjust T2004-T2009 for peak S-
analyzer to J2008. Set the tracking meter deflection.
generator level to about -30dBm,
reducing the level during adjust- G. 220 MHz Module Gain (on 220 MHz
ment, if necessary, to avoid satur-
ation.
2. Adjust T2001 and CV2001 for less
+3dB ripple between 220 and 225
MHz.
3. Remove the test equipment.
220 MHz 2nd Local (on 220 MHz RF
Unit - requires oscilloscope)
1. Connect the 'scope to the anode
of D2002.
2. Adjust T2016-T2018 for maximum
amplitude on the 'scope.
RF Unit - requires RF generator)
1, Connect the RF generator to the
220 MHz antenna jack.
2. Set the transceiver to USB, METER
selector to S/PO and RF gain
fully clockwise.
3. Tune the transceiver to 222.50000
MHz.
4. Inject a 20dBu carrier with no
modulation 1.5 kHz above the
transceiver frequency, and adjust
VR2001 for S-9 deflection on the
S-meter.
Tio02'
Tio0s
Li cos
Too
T1008
TPioor
Lyoos:
Roza
Troos J100:(Pin 1)
220MHz PLL UNIT ALIGNMENT POINTS
= 73 =