Required Test Equipment; Alignment Procedures; Pll Alignment; Transmitter Alignment - Ranger RCI-6900F HP Manual

RCI-6900F HP
RCI-6900F TB

4.0 REQUIRED TEST EQUIPMENT

!
DC Power Supply (13.8VDC, 20A)
"
RF Wattmeter (25~60 MHz, 100W)
#
Multimeter (Digital)
$
Automatic Modulation Meter
%
Audio Signal Generator

4.1 ALIGNMENT PROCEDURES

This transceiver has been aligned at the factory and does not require any adjustments at installation.
The required test equipment listed is used for the test setup or alignment shown in Figure 4-1
Transmitter Test Setup and Figure 4-2 Receiver Test Setup. This test setup is used in part or total
during the following adjustments and refer to Figure 4-3 for adjustment location.

4.1.1 PLL ALIGNMENT

ITEM U.U.T. SETTING
VCO Voltage Disconnect 'short PCB" from TP7, TP8 and
TP9.
Set radio to Fr. Pool 6, CH 40 AM RX mode.
Set +10KHz/OFF switch to OFF position.
Connect Multimeter to TP2.
Connect Frequency Counter to TP11.
AM Frequency Set radio to Fr. Pool 1, CH 1 AM RX mode.
Set radio to Fr. Pool 6, CH 40 AM RX mode.
Connect Frequency Counter to TP3.
USB Frequency Set radio to Fr. Pool 1, CH 1 USB RX mode.
Set radio to Fr. Pool 6, CH 40 USB RX mode.
Connect Frequency Counter to TP3.
LSB Frequency Set radio to Fr. Pool 1, CH 1 LSB RX mode.
Set radio to Fr. Pool 6, CH 40 LSB RX mode.
Connect Frequency Counter to TP3.
TX Frequency Set radio to Fr. Pool 1, CH 1 AM TX mode.
Connect Frequency Counter to TP3.
AM OSC Set radio to Fr. Pool 1, CH 1 AM TX mode.
Connect Frequency Counter to TP5.
USB OSC Set radio to Fr. Pool 1, CH 1 USB TX mode.
Connect Frequency Counter to TP5.
LSB OSC Set radio to Fr. Pool 1, CH 1 LSB TX mode.
Connect Frequency Counter to TP5.

4.1.2 TRANSMITTER ALIGNMENT

&
Frequency Counter (100 MHz)
'
RF Signal Generator (100 MHz)
(
Automatic Distortion Meter
)
Oscilloscope (50 MHz)
*
Sinad Meter
ADJUST
POINT
L15
VC1
L45
L41
L46
L42
L47
L43
VR8
L18
L19
L20
- 14 -
CHAPTER 4
ALIGNMENT
MEASUREMENT
6.5 VDC 0.1
10.2400MHz 20Hz
17.5500MHz 20Hz
18.9600MHz 20Hz
17.5525MHz 20Hz
18.9625MHz 20Hz
17.5475MHz 20Hz
18.9575MHz 20Hz
17.5500MHz 20Hz
10.6950MHz 10Hz
10.6925MHz 10Hz
10.6975MHz 10Hz