3 - 15
119
FANI
Input port for the driving current detect
signal at the cooling fan.
120
EPAD
Input port for the external keypad on
the rear panel.
121
DX1A
Input port for the data signal from the
DSP IC on the DSP-A board.
122
DX1B
Input port for the data signal from the
DSP IC on the DSP-B board.
123
DX1T
Input port for the data signal from the
DSP IC on the DSP-TX board.
124
DX1S
Input port for the data signal from the
DSP IC on the SCOPE unit.
127
IKEY
Input port for the internal antenna
tuner KEY signal.
128
SKYS
Input port for the straight key.
135
DSKY
Outputs CW/RTTY keying signal to
the DSP IC.
137
PWRS
Outputs power control signal to the
linear circuit.
High: The linear circuit is ON.
138
METCK
Outputs clock signal to the D/A con-
verter (IC603) for the external meter.
140
METLR
Outputs clock signal to the D/A con-
verter (IC603) for the external meter.
142
METDT
Outputs data signal to the D/A con-
verter (IC603) for the external meter.
Pin
Port
Description
number
name
Содержание IC-7800
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Страница 333: ...THE TRANSCEIVER i7800 SERVICE MANUAL S 14015HZ C1 2 Mar 2006 ...
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Страница 555: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14015HZ C1 2 C 2004 2006 Icom Inc ...