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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 (CNP701) and the SERVO board (CN1)

with the extension cable (Part No. J-2502-062-1).

• Connect the RELAY board (CNP902) and the DISPLAY board

(CN901) with the extension cable (Part No. J-2502-071-1).

MAIN BOARD CNP701

J-2502-071-1

SERVO BOARD CN1

RELAY BOARD CNP902

DISPLAY BOARD CN901

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

2-1.   Sub Panel Assy (CD) ........................................................... 7
2-2.   CD Mechanism Block ......................................................... 8
2-3.   Main Board ......................................................................... 8
2-4.   Heat Sink ............................................................................. 9
2-5.   Chassis (T) Sub Assy .......................................................... 9
2-6.   Lever Section ..................................................................... 10
2-7.   Servo Board ....................................................................... 10
2-8.   Shaft Roller Assy, Load Sw Board .................................... 11
2-9.   Floating Block Assy .......................................................... 12
2-10. Optical Pick-up Block ....................................................... 12

3-1.   IC Pin Descriptions ........................................................... 13
3-2.   Circuit Boards Location .................................................... 18
3-3.   Block Diagram –CD Section– ........................................... 19
3-4.   Block Diagram –Main Section– ........................................ 20
3-5.   Block Diagram –Display Section– .................................... 21
3-6.   Printed Wiring Boards –CD Mechanism Section– ............ 22
3-7.   Schematic Diagram –CD Mechanism Section (1/2)– ....... 24
3-8.   Schematic Diagram –CD Mechanism Section (2/2)– ....... 25
3-9.   Printed Wiring Boards –Main Section– ............................ 26
3-10. Schematic Diagram –Main Section (1/2)– ........................ 27
3-11. Schematic Diagram –Main Section (2/2)– ........................ 28
3-12. Printed Wiring Board –Relay Section– ............................. 29
3-13. Printed Wiring Board –Display Section– .......................... 30
3-14. Schematic Diagram –Display Section– ............................. 31
3-15. IC Block Diagrams ............................................................ 32

4-1.   Chassis Section ................................................................. 34
4-2.   Front Panel Section ........................................................... 35
4-3.   CD Mechanism Section (1) ............................................... 36
4-4.   CD Mechanism Section (2) ............................................... 37
4-5.   CD Mechanism Section (3) ............................................... 38

........................................ 39

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This section is extracted
from instruction manual.

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