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This unit can play the following discs:

Type of discs

Label on the disc

Audio CD

MP3 files

• Some CD-Rs/CD-RWs (depending on the equipment used for

its recording or the condition of the disc) may not play on this
unit.

• You cannot play a CD-R/CD-RW that is not finalized∗.
• You can play MP3 files recorded on CD-ROMs, CD-Rs, and

CD-RWs.

• A CD-R/CD-RW to which a session can be added can be played.

∗ A process necessary for a recorded CD-R/CD-RW disc to be

played on the audio CD player.

When repairing or servicing this set, connect the jig (extension cable)
as shown below.

• Connect the MAIN board (CN901) and the DIGITAL board

(CN1012) with the extension cable (Part No. J-2502-068-1).

In this set, the front panel is lowered to below the bottom face when
it is opened.
When servicing the set, place it on a stand having a height of about
2 cm.

stand

MAIN BOARD CN901

DIGITAL BOARD CN1012

The front panel is forced to OPEN/CLOSE at the timing that the
power (ACC) is turned off.
If the OPEN/CLOSE button for the front panel is not effective, the
following method is used:

With the front panel open: The front panel is closed when ACC is

switched from ON to OFF edge.

With the front panel closed: The front panel is opened when ACC

is switched from ON to OFF edge.

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Location of Controls ................................................................ 5
Connections ............................................................................. 6

2-1.   Front Panel Assy ................................................................. 9
2-2.   Sub Panel (CD) Assy ........................................................... 9
2-3.   CD Mechanism Block ....................................................... 10
2-4.   Digital Board ..................................................................... 10
2-5.   Cam Block Assy, Motor Block Assy ................................. 11
2-6.   Main Board ....................................................................... 11
2-7.   Fan, Chassis Back ............................................................. 12
2-8.   Mechanism Block (M) Assy .............................................. 12
2-9.   Tray (UM) Assy ................................................................ 13
2-10. MD Assy ........................................................................... 13
2-11. Servo Board ....................................................................... 14
2-12. Optical Pick-up Block ....................................................... 14

3-1.   Gear (Cam L) .................................................................... 15
3-2.   Gear (Cam R) .................................................................... 15

4-1.   Note for Replacement of Digital Board ............................ 16
4-2.   IC Pin Descriptions ........................................................... 17
4-3.   Block Diagram –CD Section– ........................................... 24
4-4.   Block Diagram –Tuner Section– ....................................... 25
4-5.   Block Diagram –Display Section– .................................... 26
4-6.   Circuit Boards Location .................................................... 27
4-7.   Printed Wiring Board –CD Mechanism Section– ............. 28
4-8.   Schematic Diagram –CD Mechanism Section (1/2)– ....... 30
4-9.   Schematic Diagram –CD Mechanism Section (2/2)– ....... 31
4-10. Printed Wiring Boards –Main Section– ............................ 32
4-11. Schematic Diagram –Main Section (1/4)– ........................ 34
4-12. Schematic Diagram –Main Section (2/4)– ........................ 35
4-13. Schematic Diagram –Main Section (3/4)– ........................ 36
4-14. Schematic Diagram –Main Section (4/4)– ........................ 37
4-15. Printed Wiring Board –Display Section– .......................... 38
4-16. Schematic Diagram –Display Section– ............................. 39

5-1.   Chassis Section ................................................................. 46
5-2.   Digital Board Section ........................................................ 47
5-3.   Cam Section ...................................................................... 48
5-4.   Main Board Section .......................................................... 49
5-5.   Front panel Assy Section ................................................... 50
5-6.   CD Mechanism Section (1) ............................................... 51
5-7.   CD Mechanism Section (2) ............................................... 52
5-8.   CD Mechanism Deck Section ........................................... 53

........................................ 54

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This section is extracted
from instruction manual.

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