Alignment Transmitter - PRESIDENT JOHNSON II Service Manual

ALIGNMENT TRANSMITTER

1 - Alignment procedure(13,2V;configuration"EU,E")
STEP CONDITION
1 AM(EU)
Channel 20
2 FM(EU)
Channel 20
3 FM(EU)
Mod
30 mV 1 KHz
CH 20
4 AM(EU)
Mod
30 mV 1 KHz
CH 20
5 AM(E)
Mod
30 mV 1 KHz
CH 20
ADJUSTMENT
RT202(LOW)
RT203(HI)
RT206(DEV)
RT204(AMC)
RT205(ALC)
REMARKS OF ADJUSTMENT
Connect a wattmeter to jack antenna,
adjust RT202 to reach 1W on the
wattmeter.
Connect a wattmeter to jack antenna,
adjust RT203 to reach 4W on the
wattmeter.
Adjust RT206 to reach +/- 1,2KHz of
deviation.
Adjust RT204 to reach +/- 90% of
modulation.
Adjust RT205 to reach +/- 90% of
modulation.