Yaesu IC-735 [12/149] 8 accessory socket

Содержание

3 8 ACCESSORY SOCKET CONNECTIONS The DIN type ACCESSORY CONNECTORS and one mini jack are installed on the rear panel of the IC 735 The function of each connector is as follows ACC 1 Connect a phone patch or AFSK RTTY equipment here ACC 2 Connect an AT 150 IC AT100 or IC AT500 automatic antenna tuner here REMOTE MINI JACK Connect a personal computer here for remote control of the transceiver functions ACC 1 PIN REFERENCE NO CODE 1 NC 2 GND 3 SEND IC 735 switches to the transmit mode when this pin is grounded 4 MOD Input to the modulator stage for AFSK signals 5 AF DESCRIPTION I No connection Ground Connected in parallel with ACC 2 pin 2 Output from the receiver detector stage This is a fixed level regardless of the AF gain setting or AF output 6 SOLS This terminal goes to ground level when the SQUELCH opens The letters RECV appear on the front panel display at the same time 7 13 8V 13 8V DC output switched by the main POWER SWITCH on the front panel Connected in parallel with ACC 2 pin 7 8 ALC Input for external ALC voltage Connected in parallel with ACC 2 pin 5 ACC 2 PIN I REFERENCE DESCRIPTION NO CODE 1 8V 2 GND 3 SEND Same as ACC 1 4 BAND Output for external band switching See the NOTE below 5 ALC Output reference voltage for band switching Ground Input for external ALC voltage Same as ACC 1 pin 8 6 TRV Input for TRANSVERTER control The IC 735 will operate with a transverter when 8V DC is applied to this pin 7 13 8V Same as ACC 1 pin 7 ______BAND CONTROL VOLTAGE CHART NOTE The IC 735 outputs a band control voltage when the band operation is changed This signal automatically switches accessory equipment such as the ICOM linear amplifier or antenna tuners I BAND ZT BAND CONTROL VOLTAGE 3 5 1 8 7 0 8 0V 3 5 6 0 6 5V 7 5 0 5 5V 14 4 0 4 5V 18 21 3 0 3 5V 24 28 2 O 2 5V 10 0 1 2V