8
Alignment
m
Select “Alignment” menu item F-05 [144 RX IF G] and
adjust the main
DIAL
for a 1-dot S-meter deflection.
430 MHz Band RX Gain Adjustment
m
Connect the RF signal generator to the VHF/UHF an-
tenna jack.
m
Set the transceiver to 435.500 MHz, and select the USB
mode.
m
Inject an RF signal from the signal generator at +1.0
dBµ on 435.500 MHz.
m
Select “Alignment” menu item F-06 [430 RX IF G] and
adjust the main
DIAL
for a 1-dot S-meter deflection.
S-meter Full Scale Alignment
m
Connect the RF signal generator to the HF/50 MHz an-
tenna jack.
m
Set the transceiver to 14.200 MHz, and select the USB
mode.
m
Inject an RF signal from the signal generator at +95dBµ
on 14.20000 MHz.
m
Select “Alignment” menu item F-07 [S FULL SCALE]
and adjust the main
DIAL
for a S9+60dB reading on
the S-meter.
Squelch Threshold Level Adjustment
m
Select the USB mode, and inject no signal to the anten-
na jack. Leave the radio set to 14.200 MHz.
m
Set the SQL control to the 11 o’clock position. Select
“Alignment” menu item F-08 [SSB SQL] and adjust the
main
DIAL
so that the squelch just closes.
m
Set the SQL control to the 1 o’clock position, and select
the FM mode. Select “Alignment” menu item F-10 [FM
RF SQL] and adjust the main
DIAL
so that the squelch
just closes.
m
Set the SQL control to the 10 o’clock position. Select
“Alignment” menu item F-09 [FM N SQL] (Noise
Squelch) and adjust the main
DIAL
so that the squelch
just closes.
Noise Blanker Alignment
m
Connect the RF signal generator to the HF/50 MHz an-
tenna jack, and connect the DC voltmeter to TP1010.
m
Press the
NB
key to activate the Noise Blanker, then
press and hold in the
NB
key for ½ second to activate
Menu #60 (NB Level). Set the Noise Blanker level to
maximum.
Inject an RF signal from the signal genera-
tor at +20 dBµ.
m
Adjust T1029 and T1031 for minimum indication on
the DC voltmeter (the voltage will be at least 3.0 V).
TX Adjustments
HF/50 MHz band TX IF Transformers
m
Connect the inline wattmeter and 50
W
dummy load to
the HF/50 MHz antenna jack.
m
Use Menu #21 to set the RF power for maximum, and
tune the transceiver to 14.2000 MHz. Select the CW
mode.
m
Key the transmitter, and adjust T1008, T1011, T1014,
T1020, and T1022 for maximum indication on the in-
line wattmeter.
144/430 MHz band TX IF Transformers
m
Connect the inline wattmeter and 50
W
dummy load to
the VHF/UHF antenna jack.
m
Use Menu #23 to set the 144 MHz RF power for maxi-
mum, and tune the transceiver to the 145.0000 MHz.
Select the CW mode.
m
Key the transmitter, and adjust T1018, T1021, T1024,
and T1026 for maximum indication on the inline watt-
meter.
Trap Adjustment
m
Remove the coaxial plug from J1012, and connect the
spectrum analyzer across its socket. Tune the transceiv-
er to 144.0000 MHz, and select the FM mode.
m
Key the transmitter, and adjust TC1001 for minimum
indication on the 137.97 MHz spurious response on the
spectrum analyzer.
m
Disconnect the spectrum analyzer, and replace the plug
into J1012.
CM Coupler Balance
m
Connect the 50-
W
dummy load to the HF/50 MHz an-
tenna jack, and connect the DC voltmeter to L5028 lead
(near TC5002 side). Set the transceiver to 52.0000 MHz,
and select the FM mode. Use Menu #22 to set the 50
MHz RF power to maximum.
m
Key the transmitter with no microphone input, and ad-
just TC5002 for 0 V on the DC voltmeter.
m
Connect the 50-
W
dummy load to the VHF/UHF anten-
na jack, and connect the DC voltmeter to L5023 lead
(near L5029 side). Set the transceiver to 145.5000 MHz,
and select FM mode. Use Menu #23 to set the 144 MHz
RF power to maximum.
m
Key the transmitter with no microphone input, and ad-
just TC5001 for 0 V on the DC voltmeter.
m
Connect the DC voltmeter to L5024 lead (near JP5004
side). Set the transceiver to the 439.5000 MHz, and se-
lect FM mode. Use Menu #24 to set the 430 MHz RF
power to maximum.
Содержание FT-100
Страница 10: ...12 Alignment Note ...
Страница 15: ...17 Block Diagram ...
Страница 16: ...18 Interconnection Diagram ...
Страница 17: ...19 Circuit Diagram MAIN Unit Lot 1 4 ...
Страница 18: ...20 MAIN Unit Lot 1 4 Note ...
Страница 21: ...23 MAIN Unit Lot 5 Circuit Diagram ...
Страница 22: ...24 MAIN Unit Lot 5 Note ...
Страница 49: ...51 Circuit Diagram Parts Layout Side A Side B DAN235U M D1801 1802 1803 1804 BPF Unit ...
Страница 50: ...52 BPF Unit Lot 9 Circuit Diagram Parts Layout Side A Side B DAN235U M D1801 1802 1803 1804 ...
Страница 52: ...54 BPF Unit Note ...
Страница 53: ...55 Circuit Diagram Parts Layout Side A Side B 2SC4047 ZY Q1901 1902 HPF Unit ...
Страница 54: ...56 HPF Unit Lot 6 Circuit Diagram Parts Layout Side A Side B DTC114EU 24 Q1901 1902 1903 ...
Страница 56: ...58 HPF Unit Note ...
Страница 57: ...59 Circuit Diagram Parts Layout NJM2904V Q1951 1952 Audio Filter Unit Side A Side B ...
Страница 58: ...60 Audio Filter Lot 6 Circuit Diagram Parts Layout Side A Side B NJM2904V Q1951 1952 ...
Страница 60: ...62 Audio Filter Unit Note ...
Страница 61: ...63 Local Unit Circuit Diagram ...
Страница 74: ...74 Local Unit Note ...
Страница 75: ...75 REF Unit Circuit Diagram Parts Layout Side A Side B 2SC2714Y QY Q2801 2802 ...
Страница 77: ...77 PA Unit Circuit Diagram ...
Страница 78: ...78 PA Unit Note ...
Страница 88: ...88 PA Unit Note ...
Страница 89: ...89 Circuit Diagram LPF Unit ...
Страница 91: ...91 Circuit Diagram LPF Unit Lot 9 ...
Страница 98: ...98 LPF Unit Note ...
Страница 99: ...99 Circuit Diagram Display Unit Lot 1 ...
Страница 101: ...101 Circuit Diagram Display Unit Lot 34 ...
Страница 106: ...106 Display Unit Note ...
Страница 107: ...107 Circuit Diagram CNTL Unit Lot 1 3 ...
Страница 109: ...109 CNTL Unit Lot 4 Circuit Diagram ...
Страница 116: ...116 CNTL Unit Note ...
Страница 121: ...121 FTS 27 CTCSS Tone Squelch Unit option Circuit Diagram Parts Layout Side A Side B 1SS184 B3 D0001 MX165CTN TR Q0001 ...