Eico-HF52SAMS-int-维修说明书手册含电器原理图

EICO10100PHOTOFACT FolderMODEL HF-52MODEL HF-52EICOTRADE NAMEEtco Model HF-52MANUFACTURERElectronic Instrument Co.,Ine.,33-00 Northern Blvd.,Long Island City 1,N.Y.TYPE SETAC Operated 7 Tube Audlo AmplifierPOWER SUPPLY110-120 Volts AC,60 CyclesRATING 150 Watts,145 Amp.117 Volts ACADJUSTMENTSBIAS ADJUSTMENTComneet DC probe of VTVM to point ACommon to chassis.Adjust Bias (R6)for -47 volts on VTVM.BALANCE ADJUSTMENTConnect VTVM across meter jacks on rear apron.Use lowest DC scale.AdjustBalance (R5)for zero or MINIMUM deflection.FINAL BIAS ADJUSTMENTConnect DC probe of VTVM to elther meter jack.Common to chassis.AdjustBias (R6盼for,65o1s1ET483HOWARD W.SAMS CO.,I NC.indlanapolls 6.IndlanaThe listing of any available replacement part herein doesthe particular type of replacement part listed.Repro-constitute incase a recommendation.warranty orduction or use,without express permission,of editorial orE蜀Howard w.Sams Cohc.,as to the qualitypictorial content,in any manner,is prohibited.No patentFOLDERnumbers oliability is assumed with respect to the use of the informa-these parta have been compiled from information furnishedtion contaied herein.1960 Howard W.Sams&Co.,Inc.to Howard W.Sams Co.,Ine.,by the manufacturers ofIndianapolls 6,Indiana.Printed in U.S.of AmerlcaJX632DATE 5-60SET483FOLDER6