PRESIDENT HARRY III ASC, Service Manual

Page: 5 / 60

ALIGNMENT VCO/PLL
1 - Alignment procedure(13,2V;configuration”EU,E,d”)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1 AM/FM(EU,E)
RX mode
Channel 20
CT301
Connect a frequency counter to
TP200,and adjust CT301 to reach
37,900MHz.
2 AM/FM(EU,E)
TX/RX mode
Channel 40
Connect a voltmeter to TP 103,and check:
Tx Channel 40=3V±0,1V
Rx Channel 40=2,8V±0,1V
3 AM/FM(EU,E)
TX/RX mode
Channel 1
Connect a voltmeter to TP 103,and check:
Tx Channel 1=2,6V±0,1V
Rx Channel 1=2,4V±0,1V
4 AM/FM(EU,E)
TX/RX mode
Channel 1 to 40
or 1 to 80(d)
Connect a frequency counter to
TP200,and check frequencies.