============================================================================== K E N W O O D >>> A M A T E U R R A D I O S E R V I C E B U L L E T I N <<< ============================================================================== Kenwood Service Centers Kenwood Service Corporation Kenwood Service Center, East 2201 East Dominguez Street 829 Lynnhaven Parkway, Suite 130 Long Beach, California 90801 Virginia Beach, Virginia 23452 Telephone 1-310-639-5300 Telephone 1-804-340-1702 ============================================================================== BULLETIN # 1015 MODEL: TS-50S SUBJECT: Lithium Battery Replacement Notes Procedure: Immediately after replacing the Lithium battery you must cycle the radio ON then OFF. Failure to follow this procedure will result in premature failure of the battery. If the power is not cycled ON then OFF the microprocessor will immediately begin drawing approximately 1 mA of power from the Lithium battery, resulting in poor battery life. When the battery is replaced we recommend the insulation sheet also be changed. Part numbers for the battery and insulation sheet follow. Parts Required: Qty Description Kenwood Part No. Circuit Description 1 Lithium Battery W09-0515-05 BA1 1 Insulating Sheet F20-0521-04 None Caution: This modification requires soldering equipment rated for CMOS type circuits. It also requires familiarity with surface mount soldering techniques. If you do not have the proper equipment or knowledge do not attempt this modification yourself. Seek qualified assistance. Time required for this modification is 15 minutes or less. Service code A:34 B: X46-3150-11 C:BA1 D:67