McIntosh-MA6100-pre-sb 电路图 维修手册.pdf

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1、SERVICE BULLETIN MA 6100 S.B. No. 1 MODEL: MA 6100 Preamp-Amplifier PURPOSE OF M O D I F I C A T I O N : To correct w i r i n g error in compensation and tone controls. WHAT U N I T S ARE AFFECTED: S e r i a l No. AE1001 to AE1184 WHEN M O D I F I C A T I O N SHOULD BE MADE: Any time any other servi

2、ce is performed. MclNTOSH M O D I F I C A T I O N K I T NO.: None PARTS REQUIRED: None PROCEDURE: (Refer to the diagram on reverse side) Step 1 Remove dust cover, knobs & front panel. Step 2 Interchange the orange and orange/white wires connected to the tone control PC Board. Step 3 Interchange the

3、brown and brown/white wires connected to the tone control PC Board. Step 4 Remove 4 screws from upper section of sub panel and interchange the green and green/white wires connected to the volume control (R21O). Step 5 Replace upper section of sub panel making sure to use the hex head screws in the t

4、op holes and the pan head 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 607-723-3512 W I R I N G CHANGE BE042003 RadioFans.CN 收音机爱 好者资料库 FRONT OF UNIT UPPER SUB PANEL VOLUME CONTROL R2IO TONE CONTROL PC BOARD STEP 3 TOP VIEW DUST COVER REMOVED STEP 2 BROWN-WHITE BROWN ORANGE ORANGE-WHITE RadioFans.CN 收音机爱 好者资料库