Alignment Position - Realistic TRC- 9A/1 1 Service Manual

TRANSMITTING SECTION ALIGNMENT CHART
STEP
CONTROL
SETTING
TEST
EQUIPMENT
CONNECTION
TEST
EQUIPMENT
SETTING
ADJUST REMARKS
1
CH: A position
27.065MHz
(TRC-9A)
27.085MHz
(TRC-11)
Power meter (50 ohms):
to J1
1A ammeter:
in series with lead between
modulation winding of
T8 and collector of Q14
Oscilloscope:
in parallel with power
meter
Supply voltage:
13.8 volts
2 Press the P.T.T. SW.
"
II
T9, 10 Max. power output
3
,,
„ „
L5, 6
Peak on the Power
meter and dip on the
ammeter to get 3
watts output at J1
(or max output)
4 "
Power meter (50 ohms):
to J1
1 A ammeter:
in series with lead between
modulation winding of
T8 and collector of Q14.
Vary supply voltage
from 15 to 12 volts.
T9 If no output, adjust
T-9 to assure output
at both voltage
extremes.
5
"
Audio frequency generator:
to C23 (or talk into
Microphone).
Reset the supply
voltage to 13.8 volts.
Check modulation
6 Repeat steps 2 to 4.
ALIGNMENT POSITION
=]=1
fl
9
T7
—4—