Sanyo M7900K Manuals

Table of Contents

• 1

  Specifications
• 2

  How to Remove the Back Lid
• 2

  How to Remove the Chassis
• 3

  How to Remove the Mechanism
• 4

  Replacement of Recording/Playback and Erasing Heads
• 4

  Parts Location (Tuner)
• 5

  Tuner Adjustment
• 5

  FM Alignment
• 5

  MW Alignment
• 5

  SW 1,2 Alignment
• 6

  Caution for FM Adjustment
• 6

  Adjustment of Signal Meter
• 6

  How to Put On the Dial Rope
• 7

  Adjustment of Amplifier Unit
• 7

  Output Adjustment
• 8

  AMSS Adjustment
• 8

  AMSS Circuit Description
• 8

  Principal Operation
• 8

  Detailed Description of Each Circuit
• 9

  Program Circuit
• 9

  AMSS Timing Chart
• 10

  Clock Diagram
• 10

  Adjustment of Mechanism
• 10

  Azimuth Adjustment
• 10

  Measurement of Torque Tension
• 11

  Measurement of Pinch Roller Pressure
• 11

  Measurement of Auto-Stop Force
• 11

  Timing Adjustment of Main Switch
• 11

  Mounting Height of Motor Pulley
• 12

  Exploded View (Cabinet)
• 13

  Exploded View (Chassis)
• 13

  Parts List
• 17

  Exploded View (Mechanism 1, 2)
• 18

  Schematic Diagram (Tuner)
• 19

  Wiring Diagram (Tuner)
• 20

  Schematic Diagram (AMP)
• 21

  Wiring Diagram (AMP)
• 22

  Wiring Diagram (Control, AMSS, AMSS Switch, Headphone, LED, Power Supply)
• 23

  Schematic Diagram (AMSS)