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3-11
PIN
No.
LINE
NAME
DESCRIPTION
I/O
1
ICCV
APC AMP reference voltage.
O
2
FANV
Cooling fan rotation control voltage.
O
15
3DST
3rd LO DDS strobe.
O
16
1CN1
1st Lo DDS control bit. (OSK)
O
17
1CN0
1st Lo DDS control bit. (IOUPDATE)
O
18
1DST
1st Lo DDS strobe.
O
19
PDAT
DDS serial data.
O
20
PCK
DDS serial clock.
O
21
HTXS
The HF/50 MHz/70 MHz band TX circuit
control.
High= While transmitting on the HF/50
MHz/70 MHz band.
O
22
VTXS
The VHF band TX circuit control.
High=While transmitting on the VHF band.
O
23
UTXS
The UHF band TX circuit control.
High= While transmitting on the
HF/50 MHz/70 MHz band.
O
24
LOF5
1st LO fi lter select.
High= While operating on 148.000000 to
199.999999 MHz.
O
25
LOF6
1st LO fi lter select.
High= While operating on 400.000000 to
470.000000 MHz.
O
28
LOF4
1st LO fi lter select.
High= While operating on 115.5130000 to
148.000000 MHz.
O
29
LOF3
1st LO fi lter select.
High= While operating on 60.000000 to
115.512999 MHz.
O
30
LOF2
1st LO fi lter select.
High= While operating on 15.000000 to
59.999999 MHz.
O
31
LOF1
1st LO fi lter select.
High= While operating on 0.030000 to
14.999999 MHz.
O
33
TCON
External antenna tuner connection detect.
Low=An antenna tuner is connected.
I
34
MMSL
Microphone type detect.
Low=HM-151 is connected.
I
36
RSPK
Speaker plug insertion detect.
High= A speaker is connected on the rear
speaker jack.
I
39
PRESL
DDS reset.
Low=Reset.
O
40
DBRS
1st LO fi lter select.
High= While operating on 30.000000 to
470.000000MHz.
O
44
DLF1
DDS fi lter switching control.
High= While operating on 30.000000 to
107.999999 MHz.
O
47
DLF2
DDS fi lter switching control.
High=While operating on
0.030000 to 29.999999 MHz,
108.000000 to 199.999999 MHz or
400.000000 to 470.000000 MHz
O
51
DLF3
DDS fi lter switching control.
High= While operating on 0.030000 to
199.999999 MHz.
O
54
TXS
TX circuit (All bands) control.
High=While transmitting.
O
• SUB CPU (MAIN UNIT: IC6401)
• D/A CONVERTER (MAIN UNIT: IC7006)
• EXPANDER (MAIN UNIT: IC7001)
• EXPANDER (MAIN UNIT: IC7002)
PIN
No.
LINE
NAME
DESCRIPTION
I/O
2
VUID1V VHF/UHF band TX power AMP iding current
control.
O
3
DIDV
TX drive AMP iding current control.
O
4
VUT1V VHF/UHF band BPF tuning voltage. (1 of 2)
O
5
VUT2V VHF/UHF band BPF tuning voltage. (2 of 2)
O
6
VTRV
VHF band 1st IF trap circuit tuning voltage.
O
7
BANV
Operating band selecting voltage.
O
8
POCV
TX output power control voltage.
O
9
DRIV
TX drive AMP gain control voltage.
O
12
IFT1V
1st IF fi lter tuning voltage. (1 of 2)
O
13
IFT2V
1st IF fi lter tuning voltage. (2 of 2)
O
18 HFID1V HF/50 MHz/70 MHz band TX power AMP idling
current control. (1 of 2)
O
19 HFID2V HF/50 MHz/70 MHz band TX power AMP idling
current control. (2 of 2)
O
PIN
No.
LINE
NAME
DESCRIPTION
I/O
1
UPRES
UHF band pre-AMP control.
Low=The Pre-AMP is ON.
O
2
VUATTS 144/430 MHz band attenuator control.
High=Attenuator ON.
O
3
VBANDS VHF band tuned BPFs switching.
High= While operating on the VHF band
(74.800000 to 128.999999 MHz).
O
4
FMS
Operating mode select.
High=While operating in the FM or DV mode.
O
5
NASBS
Operating mode select.
High= While operating in the mode other than
SSB or AM.
O
6
AMS
AM mode select.
High=While operating in the AM mode
O
7
WFMS
WFM mode select.
High=While operating in the WFM mode
O
15
VPRES
VHF band pre-AMP control.
Low=The Pre-AMP is ON.
O
PIN
No.
LINE
NAME
DESCRIPTION
I/O
1
B1
HF/50 HMz/70 MHz band select.
High= While operating on 1.600000 to
1.999999 MHz
O
2
B2
HF/50 HMz/70 MHz band select.
High= While operating on 2.000000 to
3.399999 MHz
O
3
B3
HF/50 HMz/70 MHz band select.
High= While operating on 3.400000 to
6.899999 MHz
O
4
B4
HF/50 HMz/70 MHz band select.
High= While operating on 6.900000 to
13.899999 MHz
O
5
B5
HF/50 HMz/70 MHz band select.
High= While operating on 13.900000 to
20.899999 MHz
O
6
B6
HF/50 HMz/70 MHz band select.
High= While operating on 20.900000 to
39.999999 MHz
O
7
B7
HF/50 HMz/70 MHz band select.
High= While operating on 40.000000 to
59.999999 MHz
O
15
B0
HF/50 MHz/70 MHz band BPFs switching.
High= While operating on 0.030000 to
1.599999 MHz
O