P7689 / P7789 19. Carefully prise speaker from front housing. Do not refit 20. Remove RTC Battery board from main PCB. (Ensure this board is kept parallel to the main board to protect the connector) of 59 GSM Field Service Support 31
P7689 / P7789 19. Carefully prise speaker from front housing. Do not refit 20. Remove RTC Battery board from main PCB. (Ensure this board is kept parallel to the main board to protect the connector) of 59 GSM Field Service Support 31