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TABLE OF CONTENTS
1. GENERAL
Location of controls ........................................................ 3
Resetteing the unit........................................................... 4
Detaching the front panel................................................ 4
Setting the clock.............................................................. 4
Labelling the rotaty commander ..................................... 4
Using the rotary commander .......................................... 4
Adjusting the sound characteristics ................................ 5
Attenuating the sound ..................................................... 5
Changing sound and display settings ............................. 5
Boosting the bass sound.................................................. 5
Installation ....................................................................... 6
Connections ..................................................................... 7
2. DISASSEMBLY ......................................................... 10
3. ASSEMBLY OF MECHANISM DECK........... 11
4. MECHANICAL ADJUSTMENTS ....................... 14
5. ELECTRICAL ADJUSTMENTS......................... 14
6. DIAGRAMS
6-1. Block Diagram – TUNER Section – .............................. 19
6-2. Block Diagram – TAPE/MAIN Section – ...................... 21
6-3. Block Diagram – DISPLAY/
KEY CONTROL/BUS CONTROL/
POWER SUPPLY Section – ........................................... 23
6-4. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 25
6-5. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 27
6-6. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 29
6-7. Schematic Diagram – MAIN Section (1/2) – ................. 31
6-8. Schematic Diagram – MAIN Section (2/2) – ................. 33
6-9. Printed Wiring Board – PANEL Section – .................... 35
6-10. Schematic Diagram – PANEL Section – ....................... 37
6-11. IC Pin Function Description ........................................... 42
7. EXPLODED VIEWS ................................................ 46
8. ELECTRICAL PARTS LIST ............................... 49
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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