PRESIDENT GRANT II PREMIUM, Service Manual

Page: 5 / 54

ALIGNMENT VCO/PLL
1 - Alignment procedure(13,2V;configuration”
EU, PL, d, EC, U, In
”)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 AM/FM(EU)
RX mode
Channel 20
L304
Clarifier center position
Connect a frequency counter to TP302,
adjust L304 to reach 37,900MHz ± 20Hz
2 USB(EU)
RX mode
Channel 20
L306
Clarifier center position
Connect a frequency counter to TP303,
adjust L306 to reach 10,6975MHz ± 20Hz
3 LSB(EU)
RX mode
Channel 20
L307
Clarifier center position
Connect a frequency counter to TP303,
adjust L307 to reach 10,6925MHz ± 20Hz
4 AM/FM(EU)
TX mode
Channel 20
L305
Clarifier center position.Connect a
frequency counter to the dummy load,
adjust L305 to reach 27,205MHz ± 20Hz
5 FM(U)
TX mode
Channel 20
RT302
Clarifier center position.Connect a
frequency counter to the dummy load,
adjust RT302 to reach 27,78125MHz ±
20Hz
6 AM(EU)
RX mode
Channel 40
Clarifier center position.
Connect a
voltmeter to TP 301 and check
1,4V±0,2V.
7 AM(EU)
RX mode
Channel 01
Clarifier center position.
Connect a
voltmeter to TP 301 and check
1,2V±0,2V.
8 AM/FM
RX mode
(EU,PL,d,EC,U,In)
Clarifier center position
Connect a frequency counter to TP302,
and check with the frequency list