Model: IC-32AT Bulletin: B3100 Subject: Elimination of possible faint pulse noise from speaker when radio is in power save mode 1. Remove the covers from the radio and locate the main board. 2. Locate C-749 and replace it with a 2.2 uf 16 V tantalum chip capacitor. 3. Reassemble the radio, power up and allow the unit to enter the power save mode. 4. Check to see that the pulse type noise has been eliminated. 5. Replace the covers and return the radio to service.