PRESIDENT TOMMY, Service Manual

Page: 11 / 48

ALIGNMENT RECEIVER
1 - Alignment procedure(13,2V;configuration”EU,E”)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 AM(EU,E)
Channel 20
Middle volume
level.
No squelch active
L1-L2-L3
L4-L6-L7
Connect HF generator to jack antenna
adjusted at ( –107dBm 1KHz 60%),
connect sinad meter to jack EXT speaker
and adjust coils for maximum sensitivity(
≥
20dB sinad).
2 AM(EU,E)
Channel 20
Middle volume
level
No squelch active
RT1(S-METER)
Connect HF generator to jack antenna
adjusted at ( –67dBm 1KHz 60%) and
adjust RT1 so that the “S meter” display
S9.
3 AM(EU,E)
Channel 20
Middle volume
level
Squelch maximum
clockwise
RT2(SQ)
Connect HF generator to jack antenna
adjusted at ( –47dBm 1KHz 60%) and
adjust RT2 so that the signal is audible .
4 AM(EU,E)
Channel 20
Middle volume
level
Squelch maximum
counterclockwise
(ASC)
RT401(ASC)
Connect HF generator to jack antenna.
Connect sinad meter to jack EXT speaker,
adjust the ouput level of HF generator and
check that the opening ASC sinad is
20dB±2dB.If not adjust RT401.