JUMA PA1000 support information LDMOS condition check and replacement instruction JUMA PA1000 input attenuator repair JUMA PA1000 FT8 Adaptation Silent fan replacement instruction 12V out option installation instruction JUMA PA1000 with Elecraft KX3 and PX3-Panadapter JUMA PA1000 on 60m (5MHz) Performance information   Enclosure opening instructions The following information is only for older models manufactured year 2016 or before. PA Voltage modification (PDF) Serial Numbers Affected: Older than year 2016 S/N 2016025  Idle Fan OFF modification (PDF) Date Affected: Older than August 2016 Back to JUMA PA1000 page