SETTINGS

CONNECTION

ADJUST

ADJUST FOR

10.240 MHz PLL REFERENCE:
RX Mode, AM,

Fine and coarse clarifier control to center detent.

Connect Frequency counter to IC5 Pin 4.

Check for 10.2400MHz ±200 Hz. If tolerance is beyond this, replace
X1 (10.240MHz).

VCO BUFFER:
RX Mode, AM,
Freq. to Center of Band
Fine and coarse clarifier control to center detent.

Connect scope to TP3 (top bare lead of R74)

L18

Adjust for max. RF (0.80V p-p typical).

Connect scope to L22 secondary (bare lead of L50 ).

L22

Adjust for max. RF (2.0V p-p typical)

VCO:
RX Mode, AM,
Freq. to Center band
Fine and coarse clarifier control to center detent.

Connect DC voltmeter to TP2 (top bare
lead of R933)

L17

Adjust for 3.20 VDC ±0.1 Vdc.
Recheck at Bottom freq for approx 2.0V. and Top freq for approx 5.0V.

PLL OFFSET OSCILLATOR:
RX Mode, AM,
Freq. To center band
Fine and coarse clarifier control to center detent.
Modes as indicated.

Connect Frequency Counter to TP3 (top bare lead of R74).

L19

AM: Adjust for 16.2700MHz ±20 Hz.

L20

USB: Adjust for 16.2725MHz ±20 Hz.

L21

LSB: Adjust for 16.2675MHz ±20 Hz.

FREQUENCY COUNTER:
Set mode to AM
Freq. 28.000Mhz

C105 on Counter PCB

Adjust for 28.000Mhz on display.