Icom IC-7200 Service Manual page 88

Hf/50mhz transceiver
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• D/A CONVERTER (MAIN UNIT: IC1)
LINE
NAME
TRXS
Antenna switching (TX/RX)
BAND N/C (RF UNIT: CP502)
POCV TX output power setting
FANV
Cooling fan rotation speed control
ID1V
Idling current control (Pre-driver)
ID2V
Idling current control (driver 1/2)
ID3V
Idling current control (driver 2/2)
ID4V
Idling current control (Final AMP 1/2)
ID5V
Idling currrent control (Final AMP 2/2)
UNSB N/C
DRVC Drive gain control
ICCV
APC current adjustment
• D/A CONVERTER (MAIN UNIT: IC2)
LINE
NAME
REFV
Reference fequency adjustment
VCT4
RX 1st IF AMP tunig voltage
VCT5
RX 1st IF AMP tunig voltage
AJLC
ALC control
DESCRIPTION
TX, over input=5V, other conditions:0V
-
0 (TX low)–5V (TX high)
0 (Stop) –5V (max. speed)
In proportional Voltage vs Current (IPD)
In proportional Voltage vs Current (IDL)
In proportional Voltage vs Current (IDL)
In proportional Voltage vs Current (IDL)
In proportional Voltage vs Current (IDL)
ALC line control
DESCRIPTION
3 - 7

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