Icom IC-7800, Дополнение к руководству по обслуживанию

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3-7-3 CPDL CPU (LOGIC UNIT; IC605)
39 CSTB
Outputs strobe signal to the band con-
troller (CTRL board; IC51; pin 1).
40 FSTB
Outputs strobe signals to the relay
controllers (CTRL board; IC55 and
IC56, pin 1).
41 DPSTA
Outputs strobe signals to the relay
controllers (BPF unit; IC101 and
IC102, pin 5).
42 DPSTB
Outputs strobe signals to the relay
controller2 (BPF unit; IC401 and
IC402, pin 5).
49 OSS1
Outputs the reference signal switching
signal.
High : Outputs reference signal.
50 OSS2
Outputs internal/external reference
signal select signal.
Low : The external reference signal
is selected.
52 OCS
Outputs chip select signal to adjust
the OCXO reference on the OSC unit.
53 RSTBA
Outputs strobe signals to the RX-A
circuit.
54 RSTBB
Outputs strobe signals to the RX-B
circuit.
55 DSONA
Outputs the DIGISEL-A unit control
signal.
56 DSAPA
Outputs the amplifier control signal to
the DIGISEL-A unit.
58 DSTBA
Outputs strobe signals to the
DIGISEL-A unit.
59 DSONB
Outputs the DIGISEL-B unit control
signal.
60 DSAPB
Outputs the amplifier control signal to
the DIGISEL-B unit.
61 DSTBB
Outputs strobe signals to the
DIGISEL-B unit.
63 MSTB1 Output strobe signals to the MAIN
64 MSTB2 unit.
65 ASTB1
Outputs strobe signal to the D/A con-
verter (MAIN unit; IC330; pin 15).
66 ASTB2
Outputs strobe signal to the D/A con-
verter (MAIN unit; IC331, pin 15).
67 DFRA
Outputs frame signal for data setting
to the DSP-A unit.
68 DFXA
Outputs frame signal for data reading
to the DSP-A unit.
70 VSQA
Input port for voice squelch control
signal from the DSP-A board.
High : Voice squelch is open.
71 RTDA
Input port for RTTY, BPSK and QPSK
decoded data signal from the DSP-A
board.
72 TNDA
Input port for the tone squelch control
or QPSK decoding data signals.
High : Tone squelch is open.
74 DULSA
Outputs unlock signal to the DSP-A
board.
High : Unlock.
77 DFRB
Outputs frame signal for data setting
to the DSP-B unit.
78 DFXB
Outputs frame signal for data reading
to the DSP-B unit.
79 VSQB
Input port for voice squelch control
signal from the DSP-B board.
High : Voice squelch is open.
81 RTDB
Input port for RTTY, BPSK and QPSK
decoded data signal from the DSP-B
board.
82 TNDB
Input port for the tone squelch control
or QPSK decoding data signals from
the DSP-B board.
High : Tone squelch is open
85 DULSB
Outputs unlock signal to the DSP-B
board.
High : Unlock.
86 DFRT
Outputs frame signal for data setting
to the DSP-TX unit.
87 DFXT
Outputs frame signal for data reading
to the DSP-TX unit.
90 DAVOX
Input port for the ANT VOX control
signal.
High : While receiving.
91 CTFL
Input port for the CW transmitting sta-
tus signal.
92 DFRS
Outputs frame signal for data setting
to the DSP-SCOPE unit.
93 DFXS
Outputs frame signal for data reading
data to the DSP-SCOPE unit.
94 DRESL Output reset signals to the DDS and
95 DRESH DSP ICs.
Pin Port
Description
number name
Pin Port
Description
number name