Acom 2000A Operating Manual
Also see for 2000A: Operating manual
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Contents
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35Fig. 7-9 CAT Connection to YAESU FT-8978. MAINTENANCEW A R N I N G HIGH VOLTAGE!The amplifier works with high voltages up to 3000V which are LETHAL!For your safety, pull the amplifier power plug out of the mains wall outletand WAIT AT LEAST 30 minutes EACH TIME BEFORE you remove thecover of the amplifier. Do not touch any part inside while the amplifieris open as some residual voltages may still be present.8-1. CleaningW A R N I N GDo not use solvents for cleaning - they may be dangerous both for youand for the amplifier paint.Do not open the amplifier. Cleaning of the amplifier and RCU outer surfaces can be done witha piece of soft cotton cloth lightly moistened with clean water.8-2. Backup Battery ReplacementIf the RCU displays a message: LOW BATTERY-DATA IS IN DANGER or LOSS OF STOREDDATA-CHECK BATTERY PLEASE, it is necessary that the nonvolatile memory battery forUSR-TUNINGS be replaced. This is a 3V/38mAh "coin - type" lithium battery with a diameterof 12mm (~1/2inch) with leads for soldering. The following types are suitable:- BR1225T2-1 made by RAYOVAC USA- BR1225-1HC made by PANASONICThis is a complex and possibly dangerous operation. For this reason, Acom recommends thatthis work be carried out by a trained service technician. See the TECHNICAL SUPPLEMENTfor details. The expected life of a new battery is at least 5 years.8-3. Fuse ReplacementIf circumstances require replacement of the mains fuses, use only standard ones.The two Primary Mains Fuses of the amplifier are located on the rear panel (Fig. 2-2).They are 20A/250V Quick blow, 1-1/4 x 1/4 inch Cartridge Fuses, Size "0" Ceramic.Besides these primary fuses, there are six small glass fuses (5x20mm) on the MAINS CONTROL |
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