ALR72T EXTENDED FREQUENCY RX AND TX OF THE ALR72T & ALR72HT ALINCO 70 CENTIMETER RADIOS. BEWARE OF ANY STATIC WHEN WORKING WITH THIS RADIO !!! 1 Remove the top and bottom covers of the radio. 2 Remove the 4 screws that hold the front panel assembly to the main chassis. 3 Pull front panel away from the main chassis very gently. 4 Locate the Volume\Squelch pot on the left side of the radio. 5 Locate the VFO control on the left side of the radio. 6 Between the two above units is an IC that runs vertically between the two units. (ONLY THE 12 PINS OF THE IC ARE SEEN FROM THE BACK) 7 After locating the IC locate 3 sets of unsoldered jumper pads between the IC pins. 8 Make a solder bridge between the top 2 pads,then the middle 2 pads,then between the bottom 2 ONLY of the bottom set of 3 pads. REAR VIEW OF FRONT PANEL / ------\ 12 PIN O * O /---------\ / VOLUME \ IC -> |<-SOLDER BRIDGE / \ / CONTROL \ O * O / \ / \ / VFO \ \ / O * O \ CONTROL / \ / |<-SOLDER BRIDGE \ / \-----/ O * O \--------/ O * O * DO NOT SOLDER THE TOP PAD O |< O OF THESE 3 PADS * \SOLDER BRIDGE HERE 9 RE-ASSEMBLE RADIO . 10 RESET MICROPROCESSOR. GOOD LUCK AND HAPPY MODING 73 CARL VE3ZCO@VE3GYQ CARL@HAMSTER.UWO.BUSINESS.CA.NA [129.100.22.100] CARL VE3ZCO [44.135.80.8]