Ranger RCI-6900F HP, Manual

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ITEM U.U.T. SETTING ADJUST
POINT
MEASUREMENT
TX Power Set radio to Fr. Pool 2, CH 19 AM TX mode.
Modulation Off.
Set radio to Fr. Pool 2, CH 19 USB TX mode.
AF signal 30mV, 1 KHz to microphone.
Connect Oscilloscope to TP12.
Set RF PWR Fully Clockwise.
Set FINE/COARSE Control to 12 o’clock. L18,L37,L35,
L34
L35,L34
Maximum Output.
Maximum Output
and Balance.
AM APC
Set radio to Fr. Pool 2, CH 19 AM TX mode.
Connect Multimeter to TP8. VR15
6VDC
SSB APC Set radio to Fr. Pool 2, CH 19 USB TX mode.
Connect Multimeter to TP8. VR18 12.5VDC
BIAS Current Set radio to Fr. Pool 2, CH 19 USB TX mode.
Modulation Off.
Connect current meter to TP7(+) and TP9 (-)
Connect current meter to TP7 (+) and TP8 (-)
VR13
VR12 + VR11
10 mA
(50 mA + 50 mA) =
100 mA
AM TX Power Set radio to Fr. Pool 2, CH 19 AM TX mode.
Connect ‘short PCB” to TP7, TP8 and TP9.
Set RF PWR Fully Counter Clockwise.
Connect RF Power Meter to antenna jack.
VR15
VR19 10W (RCI-6900FHP)
50W (RCI-6900FTB)
2W
RF Power
Meter Set radio to Fr. Pool 2, CH 19 AM TX mode.
Set RF PWR Fully Clockwise. VR10 Adjust RF Power
meter needle until it
is in-between the
green and red bar on
TX PWR scale.
SSB ALC
Set radio to Fr. Pool 2, CH 19 USB TX mode.
AF signal 30mV, 1 KHz to microphone.
Set RF PWR Fully Clockwise. VR14 25W (RCI-6900FHP)
100W (RCI-6900F
TB)
SSB Carrier
Balance Set radio to Fr. Pool 2, CH 19 USB TX mode.
AF signal 30mV, 1 KHz to microphone.
Connect Oscilloscope to antenna jack. VR7 Spurious Emission to
minimum.
CW TX Set radio to Fr. Pool 2, CH 19 CW TX mode.
Plug in CW key.
Disconnect the Mic Jack.
Connect AC Voltmeter to EXT SP. VR9 200mV (Sine Wave)
SWR Meter Set radio to Fr. Pool 2, CH 19 AM TX mode.
Set SWR/S/RF switch to SWR position.
Connect 100 Ohm to antenna jack. VR1 on
SWR P.C.B Adjust SWR needle
until it is on the “2”
SWR scale.
AM Modulation
FM Modulation Set radio to Fr. Pool 2, CH 19 AM TX mode.
Set radio to Fr. Pool 2, CH 19 FM TX mode.
AF signal 30mV, 1 KHz to microphone.
Set Mic Gain Fully Clockwise. VR17 90%
4KHz
Frequency
Counter Adjust Set radio to Fr Pool 2, CH 19 AM RX mode.
VC1 on
frequency
counter Display should be
28.9150
4.1.3 RECEIVER ALIGNMENT