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World of Ham Radio 1997
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WOHR97_AmSoft_(1997-02-01).iso
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yaesu
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ft980_01.doc
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1997-02-01
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51 lines
YAESU FT-980
EXPANDED RF
THIS MODIFICATION IS VERY EASY TO PREFORM, HOWEVER DO NOT FORCE THE RADIO
APART !!!!!!!!!!
DO NOT PINCH ANY WIRES WHEN TAKING IT APART, DO NOT TURN ANY OF THE POTS ON
THE LEFT SIDE OF THE RADIO.
PLEASE, PLEASE USE A VERY SMALL SOLDERING IRON SO YOU DOT RUIN YOUR VERY
NICE RADIO !!!!!!!
HERE GOES:
1) Remove the power from the radio.
2) Remove top and bottom covers.
THE NEXT STEP IS DONE TEMPORARILY.
3) Locate jumper location JW3001 (solder pads) on the display unit and
solder bridge the pads.
DON'T USE TOO MUCH HEAT
The jumper is on the left side of the display board next to the left
most CPU as looking from the back to the front with the radio in the normal
up-right position.
4) Reconnect the power.
5) Press and hold [PROC], [AGC-F], [IPO], & [ATT] and turn the power on.
6) You will now see 02 off
7) Rotate the main dial until the display shows ( 02 on )
8) Press [PROC]. This will confirm and write the data to the EEPROM
memory.
9) Turn the power off and disconnect the power cord.
10) Remove the solder jumper that you made in step 3 above.
11) Replace the covers.
AND AGAIN BE CAREFULL THAT YOU DO NOT PINCH ANY WIRES AND DO NOT FORCE IT TOGETHER.
I HAVE TRIED THIS MOD AND IT WORKS !!!!!!!!!
BUT AS USUAL DO NOT XMIT OUT OF BAND OR THE RF POLICE WILL COME AND GET YOU !!!!!!