YAESU FT-5100
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PROGRAMMING INFORMATION and COMPLETE MODIFICATION
Expanded RF 128-180 Mhz *** 420-475 Mhz X-Band repeater mod & MIC band change
1- Remove power and antenna.
2- Remove 6 screws from top and bottom covers (Remove the covers WATCH speaker
3- Remove the 2 silver screws from each side of the radio securing the control
head.
4- Carefully pull the control head from the radio.DO NOT REMOVE RIBBOM CABLES.
5- Locate and remove chip resistor R-4072. ( RX mod.)
6- Locate and remove chip registor R-4067. ( Mic/band mod).
7- Locate and install jumpers in position R-4070 R-4068 R-4064. ( RX mod )
Note: On the circuit has no numbers use the draw below to locate chip position
STOCK US JUMPERS: 4001, 4003, 4004, 4051, 4061, 4062, 4067, 4072.
STOCK MOD JUMPERS: 4001, 4003, 4004, 4051, 4061, 4062, 4064, 4068, 4070.
8- Reassemble the radio.
9- Proceed to the next after draw
J-4002 J-4001
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³ ÛÛÛÛ þþþþ ³
³ þþþþþþþþþþþþ þþþ ³
³ ³
³ Rear view of control Head ³ <ÄÄÄÄÄÄÄÄÄÄÄ¿ZOOM
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³
R R R R R R R R R R R R R R R ³
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³ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ³
³ Û Û Û Û Û 6 6 6 6 6 6 6 6 6 7 7 7 0 0 0 ³
³ 1 2 3 4 5 6 7 8 9 0 1 2 1 3 4 ³
³ Û Û Û Û Û Û Û Û Û Û Û Û Û Û Û Û ³
³ R ³
³ 4051 ³
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INITIAL PROGRAMMING INFORMATION *** MUST DO FOR COMPLETE MODIFICATION
9- Press and hold [D/MR], [F/W] and [REV] and turn power ON.
(The display will show 300.000 and 20.000)
10- Press [MHZ] and dial 420.00 amd press [D/MR] -- UHF RX Low limit
11- Press [MHZ] and dial 475.00 and : : -- UHF RX Hi limit
12- Press [MHZ] and dial 420.00 and : : -- UHF TX Low limit
13- Press [MHZ] and dial 475.00 and : : -- UHF TX Hi limit
14- Press [MHZ] and dial 128.00 and : : -- VHF RX Low limit
15- Press [MHZ] and dial 180.00 and : : -- VHF RX Hi limit
16- Press [MHZ] and dial 128.00 and : : -- VHF TX Low limit
17- Press [MHZ] and dial 180.00 and : : -- VHF TX Hi limit
18- Press [F/W] then [RPT] and dial 5.000 and press [RPT] - UHF offset.
19- Press [F/W] then [REV] anddial 25.0 and press [RPT] - channel Step.
20- Press [BAND] then [F/W] then [RPT] and dial 0.600 and press [RPT]
VHF offset.
* * * *
SOFT RESET (Memory clear) - Press and hold [D/MR] and [REV] and turn radio ON
CROSS BAND REPEATER OPERATION
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TURN ON : Press and hold [RPT] and turn radio ON.
TURN OFF: Press and hold [RPT] and turn radio ON.
EXTRA Modification: Remove solder from jumper R-4067 to make Microphone
[D/MR] buttom switch band on the radio.
ALIGNMENT CONTROLS:
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VR-1003 UHF TX OUTPUT VR-1002 UHF AFP
VR-1001 UHF AFP VR-1006 VHF Deviation
VR-1007 UHF Deviation VR-101 VHF AFP
VR-1004 UHF Scnanner center VR-406 UHF S-Meter
VR-402 UHF SQLs present VR-102 VHF TX OUTPUT
VR-103 VHF AFP VR-401 VHF SQLs present
VR-405 VHF S-Meter VR-402 VHF Scanner center
VR-404 UHF Scanner center-Stop TP-403 UHF Scanner center-Stop test
TP-401 VHF Scanner cent test TP-402 VHF Scanner cent-Stop test
ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ» All mods are captured by packet.
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ÉÍÍÍÍÍÍÍÍÍÍͼ ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ» from this modification.
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