Modifications for the Yaesu FT-100

Transmit coverage for FT-100


Be careful not to transmit outside the Amateur Bands.
RX: 30KHz-824MHz, 849MHz-859MHz, 894MHz-961MHz.
TX: 1.8MHz-30MHz, 50MHz-54MHz, 140MHz-174MHz, 420MHz-470MHz.
  1. Remove Front Panel from radio and open the rear cover from the Front Panel unit. Be careful, a cable connects them together.

  2. Locate and remove R6035 (1) and R6036 (2) on the display board.
    Note: The factory removed R6035 on my radio so I only had to remove R6036. You should end up like the picture below.
         _____________________________________________________
       /
      /   _ =
      |     =
      |   _ =  ! ! ! !    ! ! ! !
      |     =  1 2 3 4
      |        ! ! ! !
      |
      |
      |
    
    Back of front panel. Top left corner.Remove jumpers 1 & 2, leave 3 & 4.

    ft-100.jpg


  3. Reassemble and install the Front Panel on the radio.

  4. Press and hold [DWN] and [STEP] keys; while holding them in, press and hold in the [PWR] switch for 1/2 second to turn the tranceiver On. Now let go of all keys.
    The display will read "r on" for a 1/2 second or less (it may be so quick that you don't see it but continue with the mod).

  5. Set the dial frequency to 375.72727MHz and turn the power off.
    Note: You may need to use LSB, USB, or CW to get the last digit.

  6. Press and hold [DWN] and [STEP] keys; while holding them in, press and hold in the [PWR] switch for 1/2 second to turn the tranceiver On. Now let go of all keys.
    The display will read "HF on" for a 1/2 second or less (it may be so quick that you don't see it but continue with the mod).

  7. Set the dial frequency to 549.61163MHz and turn the power off.

  8. Press and hold [DWN] and [STEP] keys; while holding them in, press and hold in the [PWR] switch for 1/2 second to turn the tranceiver On. Now let go of all keys.
    The display will read "vU on" for a 1/2 secondor less (it may be so quick that you don't see it but continue with the mod).

  9. The modification is complete. Turn the radio off and back on tocontinue.

Second set of menu fuctions


Their is a second set of menu functions F01 to F59.
WARNING: changing these will reset all the memories.
I want to warn you do not change these values unless you are sure of what you are doing.

To get them turn transceiver off. Press and hold the A,B,C keys; while holding them in, press and hold in the [PWR] switch for 1/2 second to turn the tranceiver On. Now let go of all keys. Then press and hold func key for 1/2 second to get to the menu and then rotate the select knob to get to a second menu (F01 to F59) it's after #66 or before #01.
When you turn the rig off and back on it returns to normal menu.

Here is a list of the 59 second menu functions.
Function                 Setting in my radio
F01   144   RF   GAIN    166
F02   430   RF   GAIN    166
F03   HF    RX   IF  G   098
F04   50    RX   IF  G   112
F05   144   RX   IF  G   108
F06   430   RX   IF  G   082
F07   S     FULL SCALE   144
F08   SSB   SQL          033
F09   FM    N    SQL     088
F10   FM    RF   SQL     056
F11   HF    IC   ALC     023
F12   V/UHF IC   ALC     022
F13   HF    PO   10W     026
F14   HF    PO   50W     083
F15   HF    PO   100W    123
F16   50    PO   10W     025
F17   50    PO   20W     045
F18   50    PO   50W     083
F19   50    PO   100W    123
F20   70    PO   10W     063  <<< 70 MHz
F21   144   PO   20W     065
F22   144   PO   50W     120
F23   430   PO   20W     139
F24   1.8   TX   IF  G   076
F25   3.5   TX   IF  G   069
F26   7     TX   IF  G   063
F27   10    TX   IF  G   063
F28   14    TX   IF  G   067
F29   18    TX   IF  G   071
F30   21    TX   IF  G   072
F31   24    TX   IF  G   072
F32   28    TX   IF  G   075
F33   50    TX   IF  G   104
F34   70    TX   IF  G   127
F35   144   TX   IF  G   097
F36   430   TX   IF  G   093
F37   ALC   METER        196
F38   HF    PO   METER   170
F39   50    PO   METER   172
F40   144   PO   METER   105
F41   430   PO   METER   063
F42   HF    REV  ALC     034
F43   50    REV  ALC     034
F44   70    REV  ALC     127  <<< 70 MHz
F45   144   REV  ALC     173
F46   430   REV  ALC     060
F47   SWR   METER        141
F48   OVER  HEAT 1       230
F49   OVER  HEAT 2       235
F50   CW    CAR  LEVEL   166
F51   AM    CAR  LEVEL   113
F52   FM    TX   FREQ    -32.470
F53   TRX   LSB  CAR     0.110
F54   TRX   USB  CAR     -0.010
F55   blank
F56   blank
F57   DESTINA    HF      USA  < JPN,JAIA,STD,EU,FRAN,BEL,GER,USA,AUS,UT
F58   DESTINA    V/U     USA  < JPN,USA,EU1,EU2,EU3,EU4,AUS
F59   blank
OOPS! When I looked at the F57 and F58 choices on my radio and set them back to USA the radio initialized and I had to reprogram the memories. The TX mod was still ok.


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