PRESIDENT GRANT II PREMIUM, Service Manual

Page: 12 / 54

ALIGNMENT TRANSMITTER
1 - Alignment procedure(13,2V;configuration”EU”)
-
Connect a DC amperemeter between the power supply
and the transceiver.
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 USB(EU)
Channel 20
TX mode
without modulation
RT201 CCW
RT202 CCW
Check 0,55A±10mA on the
amperemeter
2 USB(EU)
Channel 20
TX mode
without modulation
RT201
Adjust RT201 to add
0,1A±10mA=0,65A±10mA
3 USB(EU)
Channel 20
TX mode
without modulation
RT202
Adjust RT202 to add
0,1A±10mA=0,75A±10mA
4 USB(EU)
Channel 20
TX mode
with modulation
0,4KHz&2,5KHz
(adjust audio frequency
level to become
0,5WPEP)
L217
L218
L219
Adjust L217, L218, L219 to reach the
maximum power on the RF power
meter.
5 AM(EU)
Channel 20
TX mode
RT207 CW
RT205 CW
1,25Khz 30mV
L216
RT203
1-Adjust L216 to maximum reading
on the RF power meter
2-Turn 180° to CCW after adjust
3-Set RT 203 to center position