– 3 –
1.
GENERAL
Location of controls ........................................................
4
Resetting the unit ............................................................
5
Detaching the front panel ................................................
5
Labelling the rotary commander .....................................
5
Using the rotary commander ..........................................
5
Adjusting the sound characterisitics ...............................
5
Attenuating the sound .....................................................
5
Changing the sound and display settings .......................
5
Boosting the bass sound ..................................................
5
Installation .......................................................................
6
Connections .....................................................................
7
2.
DISASSEMBLY
......................................................... 10
3.
ELECTRICAL ADJUSTMENTS
......................... 16
Test Mode ........................................................................ 16
MD Section ..................................................................... 16
Tuner Section .................................................................. 16
4.
DIAGRAMS
4-1. Block Diagram – SERVO Section – ............................... 19
4-2. Block Diagram – TUNER Section – .............................. 21
4-3. Block Diagram – MAIN Section – ................................. 23
4-4. Block Diagram
– DISPLAY/KEY CONTROL Section – ........................ 25
4-5. Block Diagram – BUS CONTROL/
POWER SUPPLY Section – ........................................... 27
4-6. Notes for Printed Wiring Boards and
Schematic Diagrams ....................................................... 29
4-7. Printed Wiring Board – SERVO Board – ....................... 31
4-8. Schematic Diagram – SERVO Board (1/3) – ................. 33
4-9. Schematic Diagram – SERVO Board (2/3) – ................. 35
4-10. Schematic Diagram – SERVO Board (3/3) – ................. 37
4-11. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 39
4-12. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 41
4-13. Schematic Diagram – MAIN Board (1/4) – ................... 43
4-14. Schematic Diagram – MAIN Board (2/4) – ................... 45
4-15. Schematic Diagram – MAIN Board (3/4) – ................... 47
4-16. Schematic Diagram – MAIN Board (4/4) – ................... 49
4-17. Printed Wiring Board – KEY Board – ............................ 51
4-18. Schematic Diagram – KEY Board – .............................. 53
4-19. IC Pin Function Description ........................................... 62
5.
EXPLODED VIEWS
................................................ 72
6.
ELECTRICAL PARTS LIST
............................... 76
TABLE OF CONTENTS
