Pll; Vcv (Varactor Control Valve) Alignment - Yaesu FTM-2001 Operating Manual

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I. P L L
A. VCV (Varactor Control Voltage)
1. Connect the DC Voltmeter between C414
on the P L L Unit and chassis ground.
2. Set the transceiver to channel 20, close
the P T T switch and adjust transformer
T501 on the VCO Unit for 1.5 ±0.1V on
the Voltmeter. Release the P T T switch.
5 0 1
T
5 0 1
T C
41 4
C
IF U NIT
A N T SW U N IT
M O T H E R BO AR
V C O -V C O A M P U NIT
P L L UNIT-
PLL SECTIOiVl ALIGIMMEIMT POINTS
- 2 1 -
3. Set the transceiver to channel 159 and
adjust trimmer TC501 on the VCO Unit
for 3.0 ±0.1V on the meter while recei-
ving. Then close the P T T switch and
confirm at least 2.0V on the meter.
4. Set the transceiver to the channel 122
and confirm at least 1.0V while recei-
ving.
CIRCUIT BOARD (UNIT) LOCATION:
IDC U NIT
C N T L U N IT
REG U NIT

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