Yaesu FTdx5000 Series, Technical Supplement

Page: 41 / 282

ALIGNMENT-25
Alignment
FT
DX
5000 Series Technical Supplement
FM MAX Deviation Adjustment
Connect the Dummy Load, Wattmeter, and De-
viation Meter to the “ANT 1” Jack.
Set the Main Band (VFO-A) frequency to 28.700
MHz in the FM mode.
Connect the Audio Generator to
pin 8 of the MIC jack (pin 7:
GND), then set the output level
to 10 mV @1 kHz.
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
Rotate the (VFO-A)[SELECT] knob to select the
alignment parameter “29-02 FM DEV.”
Press the PTT switch and rotate the (VFO-
B)[SELECT] knob for 4.5 kHz (±0.2 kHz) on the
Deviation Meter.
Release the PTT switch.
Set the Main Band (VFO-A) operating mode to
the FM-N mode.
Rotate the (VFO-A)[SELECT] knob to select the
alignment parameter “29-03 FM DEV N.”
Press the PTT switch and rotate the (VFO-
B)[SELECT] knob for 2.25 kHz (±0.15 kHz) on the
Deviation Meter.
Release the PTT switch.
Press and hold in the [MENU] button for 2 sec-
onds to save the new setting and exit from the
alignment mode.
MIC IN
MIC GND
Meter Adjustment
I
DD
Meter Adjustment
Connect the 50-Ohm Dummy Load and Wattme-
ter to the "ANT 1" Jack, then set the METER
switch to the "ID" position.
Connect the DC ammeter between J0006 (pin 2)
and Pin 2 Connector on the PS Unit.
Set the Main Band (VFO-A) frequency to 18.100
MHz in the CW mode, then set the [RF PWR]
knob to the fully clockwise position.
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
Rotate the (VFO-A)[SELECT] knob to select the
alignment parameter “31-01 IDD.”
Press the PTT switch and rotate the (VFO-
B)[SELECT] knob so that the ID meter reading is
same as that on the DC ammeter.
Press the [ENT] key, and then release the PTT
switch.
Press and hold in the [MENU] button for 2 sec-
onds to save the new setting and exit from the
alignment mode.
COMP Meter Adjustment
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
Rotate the (VFO-A)[SELECT] knob to select the
alignment parameter “31-02 COMP10,” then ro-
tate the (VFO-B)[SELECT] knob for “10 dB” on
the COMP meter.
Rotate the Main Tuning Dial knob to select the
alignment parameter “31-03 COMP20,” then ro-
tate the (VFO-B)[SELECT] knob for “20 dB” on
the COMP meter.
Rotate the Main Tuning Dial knob to select the
alignment parameter “31-04 COMP30,” then ro-
tate the (VFO-B)[SELECT] knob so that the COMP
meter deflects to full scale.
Press and hold in the [MNU] key for 2 seconds
to exit from the alignment mode.