ICOM–PS-55-操作说明书手册

ICOMP8-55INSTRUCTIONSAC POWER SUPPLYPS-55 AC POWER SUPPLYINTRODUCTIONThank you for selecting the PS-55 AC PowerSupply.It supplies a regulated 13.8V DC,20Amaximum output,and was developed specificallyfor use with the ICOM IC-735 All Band,100W HFtransceiver with general coverage receive capa-bility.Please study these instructions carefully beforeusing the PS-55 in order to obtain maximumperformance from the power supply.DESCRIPTIONOPERATIONThe PS-55 operates in conjunction with the ON/CAUTION:Do not plug the PS-55 AC Power CordOFF power switch on the transceiver.The powerinto a power outlet until after step 5 issupply itself has no power switch.Avoid using thecompleted,and all connections andPS-55 for experiments or other purposes;use itsettings are as stated below.only with the IC.735 or similar matching ICOMtransceivers.1)Connect the DC Output Plug of the PS-55 tothe power connector on the rear panel of theIt was engineered with circuitry which ensures lowtransceiver.Ensure it is connected securely.output voltage ripple even with low input voltages.Fluctuations of output voltage caused by ambient2)Connect a length of heavy gauge wire to thetemperature changes are also minimized.In addi-Ground Terminal.Connect this wire to thetion,the risk of transistor breakdown as a result ofnearest good earth ground.high output current is greatly reduced.3)Turn the power switch of the transceiver OFF.A squirrel cage fan is included as standard equip-ment on each PS-55.This fan begins to operate4)Place the transceiver in the RECEIVE mode.whenever the power supply temperature reaches80C or higher.After the unit cools to less than5)Disconnect the microphone from the trans70C,the fan stops operating.ceiver.Keep in mind that the maximum power consump-6)Plug the AC Power Cord into a power outlet.tion of the-PS.55.is.545 VA when installing anytype of AC line filters.Choose components with7)Turn the power switch of the transceiver ON.appropriate electrical ratings for the filter.Note that the PS-55 LED Power Indicator lights.and the power supply turns ON.●CONNECTIONS1C735P5-55DC甜00⊙@®由Ground TerminaAC Power CordSM-2-YERGoran Larsson -Allsan 81S-95692 OVERKALIX SWEDENgoranl@mail3.overkalix.se