– 2 –
TABLE OF CONTENTS
1.
GENERAL
................................................................... 3
Location of Controls ........................................................ 3
Resetting the Unit ............................................................ 3
Detaching the Front Panel ............................................... 3
Preparing the Rotary Remote .......................................... 3
Setting the Clock ............................................................. 4
Using the Rotary Remote ................................................ 4
Adjusting the Sound Characteristics ............................... 5
Muting the Sound ............................................................ 5
Changing the Sound and Beep Tone ................................ 5
Installation ....................................................................... 6
Connections ..................................................................... 7
2.
DISASSEMBLY
.......................................................... 10
3.
ASSEMBLY OF MECHANISM DECK
........... 12
4.
MECHANICAL ADJUSTMENTS
....................... 15
5.
ELECTRICAL ADJUSTMENTS
......................
15
6.
DIAGRAMS
6-1. IC Pin Function Description ............................................ 16
6-2. Printed Wiring Board –MAIN Section– ......................... 20
6-3. Schematic Diagram –MAIN Section– ............................ 23
6-4. Printed Wiring Board –KEY Section– ........................... 27
6-5. Schematic Diagram –KEY Section– .............................. 29
7.
EXPLODED VIEWS
..........................................
31
8.
ELECTRICAL PARTS LIST
................................ 34
SERVICING NOTES
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.
