Receiver Alignment - Ranger RCI-2985DX User Manual

DX
RCI-2985
DX
RCI-2995
AF signal 30mV, 1 KHz to microphone.
Set Mic Gain Fully Clockwise.

6.1.3 RECEIVER ALIGNMENT

ITEM SETTINGS
AM Sensitivity Set radio to 28.000 MHz, AM RX mode.
Set Clarifier Control to 12 o'clock.
Set RF Gain Fully Clockwise.
Set SQ Fully Counter Clockwise.
Set NB/ANL/OFF switch to OFF position.
Set VOL Control at 2 o'clock.
Connect RF SG to antenna jack.
Frequency 28.000 MHz, 1uV. Mod 30%.
Set radio to 24.890 MHz, AM RX mode.
RF SG setting 24.890 MHz.
Set radio to 29.699 MHz, AM RX mode.
RF SG setting 29.699 MHz.
USB Sensitivity Set radio to USB RX mode.
VOL. Control Fully Clockwise.
RF SG setting 28.001 MHz, 0.5uV. Mod off.
LSB Sensitivity Set radio to LSB RX mode.
VOL Control Fully Clockwise.
RF SG setting 27.999 MHz, 0.5uV. Mod off.
FM Distortion Set radio to 28.000 MHz, FM RX mode.
Set MODE switch to FM mode.
RF SG setting 28.000 MHz, 1mV. Mod 3KHz.
NB Adjust Set radio to 28.000 MHz, AM RX mode.
RF SG setting 28.000 MHz, 100uV. Mod off.
Set NB/ANL/OFF switch to NB/ANL position.
Connect Voltmeter to TP1.
AM Squelch Set radio to 28.000 MHz, AM RX mode.
Set SQ Control Fully Clockwise.
RF SG setting 28.000 MHz, 1mV. Mod 30%.
SSB Squelch Set radio to USB RX mode.
Set SQ Control Fully Clockwise.
RF SG setting 28.001 MHz, 1mV. Mod off.
AM S/RF Meter Set radio to 28.000 MHz, AM RX mode.
AM S-Meter RF SG setting 28.000 MHz, 100uV. Mod 30%.
ADJUST
POINT
L5,6,7,8,9,10,
2,3
L5,L6, L7
L11, L12
L11, L12
L4
L1
VR4 Slowly
VR3 Slowly
VR1
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CHAPTER 6
ALIGNMENT
MEASUREMENT
Audio Output > 2V
S/N > 10 dB
Balance between
24.890 and 29.699
MHz
Audio Output > 2V
S/N > 10 dB
Audio Output > 2V
S/N > 10 dB
Audio Output > 3V
Distortion < 10%
DC Voltage to max.
> 2V
Adjust very slowly
until squelch
open.
Adjust very slowly
until squelch
open.
"6 bar" on the Level
Meter Indicator and
Meter needle to S9 on
just
just