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SERVICE MANUAL . . . . . . . . . . . . . . ";;i//L TABLE OF CONTENTS SECTION PAGE Introduction ... 1 AM Tuner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 FM Tuner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 AM Alignment Procedure ... 3 FM Alignment Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3 Test Equipment Required for Servicing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4 Parts List ... .. ... 13 ~ 17 Technical Specifications ... .18 LIST OF ILLUSTRATIONS FIGURE PAGE 1. Dial Stringing ... 5 2. Front Panel Adjustments and Component Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6 3. Main Chassis Component Locations (Top View) ... 6 4. Rear Panel Adjustment and Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7 5. Main Chassis Component Locations (Bottom View) ... 7 6. FM/AM Tuner Assembly P100 Component Locations. . . . . . . . . . . . . . . . . . . . . . . . . . .. 8 7. FM, AM, Mono and Muting Switch Assembly P300 Component Locations. . . . . . . . . .. 8 8. Power Supply Assembly P400 Component Locations ... " 8 9. Schematic Diagram ... 9, 10 10. Exploded Mechanical Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11, 12 TABLE 1. Test Equipment Required for Servicing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4 INTRODUCTI ON This service m anual w as prepared f or use by A ut horized Warranty Stations and contains service information for Marantz Model l 05B Stereophonic T uner. Servicing inform at ion an d volta ge dat a inc luded in this manual are intended for use by the kn