Modifications for the Yaesu FT-470

Picture(s) of Yaesu - FT-470

19-07-1998 FT-470 Undocumented feature English language (1 Kbytes)
19-07-1998 Extended receive by the Up and Down Key English language (0 Kbytes)
19-07-1998 FT 470 Unlimited (more or less) Rx mod English language (3 Kbytes)
19-07-1998 YAESU FT-470 STRAPS English language (6 Kbytes)
19-07-1998 Sensitive for the FT-470, from 130-180, to 430-500 MHz German language (1 Kbytes)
19-07-1998 YAESU FT470 cross-band repeater English language (1 Kbytes)
19-07-1998 Software RX frequency expansion English language (1 Kbytes)
19-07-1998 ***TURBO SCAN*** 20 frequency in sec English language (1 Kbytes)
19-07-1998 VHF xmit and UHF recive English language (1 Kbytes)
19-07-1998 1240-1300 TX & RX...and...220-225 MHz TX & RX English language (2 Kbytes)
19-07-1998 Strappings for FT470-R English language (4 Kbytes)
19-07-1998 FT-470 fuer 9600 bps packet German language (8 Kbytes)
19-07-1998 FT-470 9k6 mods English language
19-07-1998 Full Reset English language (0 Kbytes)
19-07-1998 FT-470 Clone Mode English language (1 Kbytes)
19-07-1998 1750Hz tone burst English language (1 Kbytes)
19-07-1998 Opening Battery Cases English language (2 Kbytes)
19-07-1998 Hyperscan Mode on the FT-470 English language (1 Kbytes)
19-07-1998 Yaesu FT 470 Extended Tx. Side effect from keyboard Entry Mod English language (2 Kbytes)
10-02-2001 Yaesu VHF mod for commercial splits English language (3 Kbytes)
 View all modification in one click. This can be a very big file.!! (41 Kbytes)

19-07-1998
FT-470 9k6 mods

sorry but I didn't realized that the german discription of the modifikations have no use for you. I hope my english is not too bad to translate it into proper english (that may help you). So know my try:

First you have to get the transmitter unit with the BNC connector on it out of the ft. You have to made the connections to pin 1 and pin 10 of the 430 PLL UNIT (it ist printed )on the rear. Pin 1 is ground an pin 10 will be the new RX. Use aprox. 10 cm cables.

Know the TX: You can reassemble the unit because the point you need is on the front of it. What you need is pin 11 on IC 10487 (it is under the shield). Pin 1 of 10487 is marked with a dot and it counts against clockwise.
The guy who have done this recommended to use 10KOhms resistors in line. The TX switch is like in 1200bd packet.

So Peter, i hope this will help you.
As you can see I have some problems in finding the right word for the electrical things ... sorry.

73, 55 from Carsten DD6TX@DB0GR.#BLN.DEU.EU

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