Yaesu FT-101EE - Page 27

Control the signal generator output and adjust trimmer
[ GRID CIRCUIT = PLATE CIRCUIT
BAND - COIL CAPACITOR TRIMMER col CAPACITOR TRIMMER
160 C129 820P TC28 C130 g20P TC10
80 7102 +7106 C4 200P TC1 T103 +1105 C9 200P TC6
40 C5. 30P TC2 C106 30PF TC7
20 C6 «SOPF TC3 C10. 50PF TC8
45 T102 TC4 7103 C107 10PF TC9
10 TC5
12BY7A TUNING CHART
TC15 for maximum audio output as described in step 2.
(5) Repeat step 1, 2, 3 and 4 to peak out the coil
adjustments for the 10 meter band.
(6) Set the BAND switch to 15, the VFO to 21,000
KHz and the PRESELECTOR to the lower edge of (8
the 15 meter segment. Tune up the transceiver to
21,000 KHz as described above. Adjust trimmers
TC4 and TC9 for maximum
into the dummy load.
TX 2ND MIXER
RX RF AMP.
a |
TIO?
transmitter output
Vi 12BY7A
~~
(7) Set the OPERATION switch to the receive mode,
and without changing the VFO or PRESELECTOR
settings. Tune the RF signal generator to 21,000
KHz and obtain the 1000 Hz beat note. Adjust
trimmer TC14 for maximum audio output as des-
cribed in step 2.
Repeat the procedures given in step 6 and 7 on
the 20 meter band. The trimmer TC3 and TC8
are used for maximum transmitter output and TC13
for maximum audio output in receive.
“: 4pese 4
[ ~oGo -Sin seeti
i
ean
Wr
13.5V
— 26 —.
12BY7A TUNING CIRCUIT