MMI Technical Resource
   Updated 4 June 2003 Yaesu Vertex FT-2600M Technical   

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    		•  General
  • Frequency Range:
        TX 144-146MHz or 144-148MHz
        RX 144-146MHz or 134-174MHz
  • Channel Steps: 5, 10, 12.5, 15, 20, 25, 50kHz
  • Frequency Stability: better than ±10 ppm (-20°C to +60°C)
  • Mode of Emission: 16K0F3E, 16K0F2D, 11K0F3E, 11K0F2D
  • Antenna Impedance: 50Ω unbalanced
  • Supply Voltage: 13.8VDC (±10%), negative ground
  • Current Consumption (typical):
        RX: Less than 1A (max. audio), Less than 0.4A (squelched)
        TX: 10A (60W), 6A (25W), 4A (10W), 3A (5W)
  • Operating Temperature Range: -20°C to +60°C (-14°F to +140°F)
  • Case Size: 160(W) x 40(H) x 160(D)mm (6.3" x 1.6" x 6.3") (w/o knobs)
  • Weight: 1.3kg (2.9lb.)

    Receiver
  • Circuit Type: Double-Conversion Superheterodyne
  • IFs: 21.7MHz & 450kHz
  • Sensitivity: better than 0.2µV (for 12dB SINAD)
  • Selectivity: 12kHz/30kHz (-6/-60dB)
  • IF Rejection: better than 70dB
  • Image Rejection: better than 70dB
  • Maximum AF Output: 3.5W into 4Ω @ 10% THD

    Transmitter
  • Output Power: 60/25/10/5W
  • Modulation Type: Variable Reactance
  • Maximum Deviation: ±5kHz/±2.5kHz
  • Spurious Radiation: better than -60dB
  • Microphone Impedance: 2kΩ
  • Power Amplifier Module: M67746

    Features
  • Frequency Coverage:
        RX: 134-174MHz
        TX: 144-148MHz
  • 60 Watts Power Output
  • Selectable TX Power: 60/25/10/5W
  • Direct Keypad Frequency Entry via MH-36B6J DTMF Microphone
  • 1200/9600 bps Packet with easy interface via a dedicated rear-panel jack
  • 175 Memories with 8-character Alpha-Numeric labels
  • Built-In CTCSS/DCS Encoder/Decoders
  • Smart Search™ Automatic Memory Loading
  • Omni-Glow™ multi-function LCD display
  • Auto-Range Transponder System (ARTS™)
  • Extensive MENU system
  • TX Time-Out Timer (TOT)
  • Automatic Power-Off Battery Ssaver (APO)
  • Automatic Repeater Shift (ARS)
  • S-Meter RF Squelch
  • ADMS-2E Windows™ PC Programmable
  • Supply Voltage Display
  • Front-mounted Speaker
  • TX Half-Deviation setting

    Accessories
  • MH-36B6J: DTMF Microphone (Supplied in U.S. Model)
  • MH-42B6J: Condenser Microphone
  • SP-3: Compact External Speaker
  • SP-4: External Mobile Speaker w/Audio Filters
  • SP-7: External Loudspeaker
  • MLS-100: High-Power External Speaker
  • FP-1023A: Compact Power Supply (23A)
  • FP-1030A: External AC Power Supply (25A)
  • ADMS-2E: PC Programming Software

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    Download FT-2600M Manual

    Serial Numbers
    For all Yaesu/Vertex radios that I've seen, the serial numbers are in the format of YPXXXXXX where "Y" is the production year, "P" is the production run and "XXXXXX" is the radio's unique number.

    Alignment
    To access your Alignment Menu, you must build a plug that plugs into the microphone jack of the radio. Wire it so pins 1,4, and 6 are shorted together. Once in the menu, remove the special plug. Use [D/MR] and [A/N] to navigate through the menu. To make radio accept setting, hold [MHz] for one second. For S-Meter adjustments, use the RF signal generator set for 1kHz tone at ±3.5kHz deviation. For Squelch adjustments, no modulation. To save the settings, short pin 6 to ground. Now your changes will be saved. Special thanks to Lorne VE1BXK for this info. It is suggested that you refer to the "FT-2600M Technical Supplement" provided by Vertex Standard. I am not responsible for any damage you may cause your radio.
    Item Description RF
    HIP High Power Adjust 60W Out
    LO1 Low1 Power Adjust 25W Out
    LO2 Low2 Power Adjust 10W Out
    LO3 Low3 Power Adjust 5W Out
    THW WB Squelch Threshold Inject -15.0dBµ from 0.5µV
    THN NB Squelch Threshold Inject -15.0dBµ from 0.5µV
    TIW WB Squelch Tight Inject -3.0dBµ from 0.5µV
    TIN NB Squelch Tight Inject -3.0dBµ from 0.5µV
    S-1 S-1 Adjust Inject -2.0dBµ from 0.5µV
    S-F S-Full Adjust Inject +25.0dBµ from 0.5µV

    Mic Switch Signals
    The Mic Switch lines are signal outputs from the microphone to control some functions of the radio from the mic end. This is done by changing the voltage on each line to a specified value. The following table shows which function corresponds with which voltage level combination. The labels "Mic Sw1" and "Mic Sw2" are swapped between the actual mic connector and the CPU pinout. The labels listed below are according to the socket pin diagram. The levels listed below are those measured from my radio only.
    Key 1 (Pin 1) 2 (Pin 6)
    None 4.46V 4.46V
    PTT 4.46V 1.00V
    Down 4.46V 2.12V
    Up 4.46V 2.76V
    ACC 4.46V 3.58V
    P 1.00V 4.46V
    P1 1.86V 4.46V
    P2 2.76V 4.46V

    Transmit Coverage 134-174MHz Modification
    This allows for transmission outside of the amateur bands. This info is intended for educational and emergency purposes only.
  • Turn the FT-2600M off and remove the DC power cable.
  • Remove the 5 screws securing the top cover and carefully remove it.
  • Locate and remove JP1011 (near Q1049) as shown above.
  • Reassemble the radio again.
  • Press and hold [A/N]+[D/MR]+[MHz] while powering up to reset the µP.
    Note: When modified, this radio will not be able to clone with other unmodified radios.

    FT-2600M Display Converted To Red
    Perform this mod at your own risk. I am not responsible for any damage you cause your radio. This mod may also void your warranty with Yaesu.


    © 2003 MMI Technical Resource