From :N3GPP
To :MOD
Date :920202/1710
Msgid :BF 6
Subject :YAESU FT-990
GENERAL COVERAGE TRANSMIT MOD FOR MARS OPERATION YAESU FT-990
REMOVE TOP COVER
LOCATE AND REMOVE CTRL BOARD (CTRL BD. IS THE FAR RIGHT VERTICLE BD
LOOKING AT THE TRANCEIVER FROM THE FRONT. REMOVE TWO PHILLIPS HEAD
SCREW AND LIFT OUT BOARD.)
LOCATE JP5002 (JP5002 IS LOCATED ON THE FAR RIGHT OF THE PC BOARD
NEAR THE TOP OF CHIP Q5016. Q5016 IS THE THIRD BIG CHIP LOCATED AT
THE FAR RIGHT OF THE PC BOARD.)
SOLDER JUMPER JP5002
RE-INSTALL BOARD
SET MODE TO CW
METER TO ALC
RF CTRL FULLY CLOCKWISE
ADJUST VR1003 AT 5.000 Mhz TO FULL ALC METER READING.
ADJUST VR1005 AT 8.000 Mhz TO FULL ALC METER READING.
VR1003/1005 ARE LOCATED ON THE FAR LEFT VERTICLE BOARD LOOKING AT
THE TRANCEIVER FROM THE FRONT. THE POT ARE ADJUSTABLE FROM THE TOP.
THERE IS NO NEED TO REMOVE THIS BOARD.
RE-ASSEMNBLE THE RADIO AND YOU ARE READY TO GO.
I WOULD LIKE TO HEAR OF ANY OTHER MODS AVAILABLE FOR THE FT-990.
I'AM SURE THERE IS A LOT OF STUFF THAT CAN BE DONE THROUGH THE
KEYPAD LIKE ON THE KENWOOD TS-850.
73'S BOB
SOURCE: The QRZ Windows Ham Radio CDROM | 
