McIntosh-MA6100-pre-sb(1) 维修电路原理图.pdf

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1、SERVICE BULLETINMA 6100S.B. No. 1MODEL: MA 6100 Preamp-AmplifierPURPOSE OF M O D I F I C A T I O N : To correct w i r i n g error in compensationand tone controls.WHAT U N I T S ARE AFFECTED: S e r i a l No. AE1001 to AE1184WHEN M O D I F I C A T I O N SHOULD BE MADE: Any time any other serviceis pe

2、rformed.MclNTOSH M O D I F I C A T I O N K I T NO.: NonePARTS REQUIRED: NonePROCEDURE: (Refer to the diagram on reverse side)Step 1 Remove dust cover, knobs & front panel.Step 2 Interchange the orange and orange/whitewires connected to the tone control PC Board.Step 3 Interchange the brown and brown

3、/whitewires connected to the tone control PC Board.Step 4 Remove 4 screws from upper section of subpanel and interchange the green and green/whitewires connected to the volume control (R21O).Step 5 Replace upper section of sub panel making sureto use the hex head screws in the top holesand the pan h

4、ead screws in the lower holes .Rep lace front panel, knobs and dust cover.Mclntosh Laboratory Incorporated 2 Chambers Street Binghamton, New York 13903 Phone: Area Code 607-723-3512W I R I N G CHANGEBE042003RadioFans.CN 收音机爱 好者资料库FRONT OF UNITUPPER SUB PANELVOLUMECONTROLR2IOTONE CONTROL PC BOARDSTEP 3TOP VIEWDUST COVER REMOVEDSTEP 2BROWN-WHITEBROWNORANGEORANGE-WHITERadioFans.CN 收音机爱 好者资料库