Model: IC-RP1210 Bulletin: 2001 Subject: If PLL unlock occurs at power-up 1. Remove the bottom cover from the repeater. 2. Remove the PLL board from the repeater. 3. Add a 470 pf ceramic disc capacitor to the bottom of the PLL board from IC4 pin 7 to ground on the PLL board. 4. Reinstall the PLL board in the repeater. 5. Reinstall the cover on the repeater. 6. Check the function of the modification.