Icom IC-7300 Adjustment Procedure
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Icom IC-7300 Adjustment Procedure

Hf/50 mhz transceiver
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ADJUSTMENT PROCEDURE
HF/50 MHz TRANSCEIVER
S-15218XZ-C1
March 2016

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Summary of Contents for Icom IC-7300

  • Page 1 ADJUSTMENT PROCEDURE HF/50 MHz TRANSCEIVER S-15218XZ-C1 March 2016...

  • Page 2: Adjustment Procedure

    SECTION 4 ADJUSTMENT PROCEDURE 4-1 PREPARATION M REQUIRED EQUIPMENTS EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE 50 Ω and 100 Ω/120 W Dummy Loads Impedance: Modified 3.5 mm (1/8 inch) monaural plug Shunt plug (See the illustration below.) Attenuator Attenuation: 50 dB/120 W Measuring range:...

  • Page 3: Receive Adjustments

    FRONT Preset TX/ID TUNER/REF 4-1 PREPARATION (continued) Sub adjustment menu [MIC] M ENTERING THE ADJUSTMENT MODE 1) Connect the shunt plug to [REMOTE] (See page 5-1). 2) While holding down the [MENU] and [FUNCTION] keys, turn ON the transceiver power. 3) The main adjustment menu appears.

  • Page 4: Tx Idling Current Adjustments

    4-3 TX IDLING CURRENT ADJUSTMENTS • Touch [TX/ID] on the main adjustment menu screen. NOTE: The transceiver automatically transmits when a TX adjustment item is selected. ADJUSTMENT ITEM TRANSCEIVER'S CONDITION OPERATION VALUE PREPARATION 1) Connect the power meter (or dummy load) –...

  • Page 5: Tx Power Adjustments

    4-4 TX POWER ADJUSTMENTS • Touch [TX/ID] on the main adjustment menu screen. NOTE: The transceiver automatically transmits when a TX adjustment item is selected. ADJUST ADJUSTMENT ITEM TRANSCEIVER'S CONDITION OPERATION VALUE POINT TX POWER & 1 • Display: “TX POWER SET” 1) Connect the AG with the millivoltmeter –...

  • Page 6: Tx Amplifier Adjustments

    4-4 TX POWER ADJUSTMENTS (continued) ADJUST ADJUSTMENT ITEM TRANSCEIVER'S CONDITION OPERATION VALUE POINT TX POWER & 18 • Display: "TX Total 70M Gain" – 25 W POWER METER SETTING • Transmit (automatic) (A beep sounds, and (70 MHz band) then another beeps sound 0.5 sec.

  • Page 7: Frequency Adjustments

    4-6 FREQUENCY ADJUSTMENTS • Touch [TUNER/REF] on the main adjustment menu screen. NOTE: The transceiver automatically transmits when a TX adjustment item is selected. ADJUSTMENT ITEM TRANSCEIVER'S CONDITION OPERATION VALUE PREPARATION 1) Connect the power meter to the antenna Touch [TUNER/REF]. connector.

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