E. Turning external units ON or OFFYou can use the R-5000's TIMER to turn external unitssuch as tape recorders ON or OFF. Various pin connec-tions for timer states are shown below.5. MAINTENANCE5-1. GENERAL INFORMATIONYour receiver has been factory aligned and tested to speci-fication before shipment. Under normal circumstances,the receiver will operate in accordance with the instruc-tions in this manual.If your receiver fails to work, contact the authorized dealerfrom which you purchased it for quick, reliable repair. Alladjustable trimmers and coils in your receiver were preset5-2. SERVICEShould it ever become necessary to return the equipmentto your dealer or service center for repair, pack it in its ori-ginal box and packing, and include a full description of theproblems involved. Also include your telephone number.You need not return accessory items unless directly relat-ed to the service problem. If you do include accessoryitems please list them in your correspondence.You may return your receiver for service to the AuthorizedKENWOOD Dealer from whom you purchased it. A copyof the service report will be returned with the unit. Pleasesend the complete unit, in its original boxes and packing.Tag all returned items with your name and amateur call, ifyou have one for identification.Please mention the model and serial number of your re-ceiver in any correspondence, whether phone or written.For future reference, record this information in the spaceprovided on the back cover of this manual.5-3. CLEANINGThe knobs, front panel and cabinet of the receiver are like-ly to become soiled after extended use. The knobs shouldbe removed from the receiver and cleaned with a neutralsoap and warm water. Use a neutral soap (not harsh che-micals) and damp cloth to clean the cabinet and frontpanel.Warning:1. Never apply AC voltage to the REMOTE connector.2. The relay contact capacity is limited to 30 VDC, 1 A.at the factory and should only be readjusted by a qualifiedtechnichan with proper test equipment.Attempting service or alignment without factory authori-zation, may void the warranty.When operated properly, the receiver can give years ofservice without requiring realignment.Service note:Dear OM, if you desire to correspond on a technical oroperational problem, please make your note short, com-plete, and to the point. And PLEASE make it readable.Please list: Model and serial numberThe question or problem you are having.Please give sufficient detail to diagnose: other equipmentin the station, meter readings and anything you feel mightbe useful in attempting diagnosis.Notes:1. Record the date of purchase, serial number and dealerfrom whom purchased.2. For your own information, retain a written record of anymaintenance performed on the unit.3. When claiming warranty service, please include a pho-tocopy of the bill of sale, or other proof of purchaseshowing the date of sale.Caution:Do not pack the equipment in crushed newspapers forshipment! Extensive damage may result, during shipping.27