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3

The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.

The laser beam on this model is concentrated so as to be focused
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.

In cleaning the lens of optical pick-up, use the air blower.
Never use a cotton swab for cleaning the lens of optical pick-up,
which otherwise causes a trouble.

If the power is turned on with a disc loaded in the set, a sequence
of operation as shown below will be performed.
(The operation varies depending on the type of disc)
Condition: continue mode

(1) CD

 1.

Sled reverse move (sled in)

 2.

Disc detect

 3.

IC setting for CD

 4.

Servo error signal offset auto adjustment

 5.

Spindle kick for LD on

 6.

LD on

 7.

Focus search

 8.

Focus servo on

 9.

Spindle kick

 10. Spindle servo on
 11. E-F balance auto adjustment
 12. Tracking & sled servo on
 13. Focus bias auto adjustment
 14. Focus servo gain auto adjustment
 15. Tracking servo gain auto adjustment
 16. Jump to lead-in area
 17. Read TOC
 18. Stop

(2) SACD (single layer)

 1.

Sled reverse move (sled in)

 2.

Disc detect

 3.

IC setting for SACD

 4.

Servo error signal offset auto adjustment

 5.

Spindle kick for LD on

 6.

LD on

 7.

Focus search

 8.

Focus servo on

 9.

Spindle kick

 10. Spindle servo on
 11. E-F balance auto adjustment
 12. Tracking & sled servo on
 13. Focus bias auto adjustment
 14. Focus servo gain auto adjustment
 15. Tracking servo gain auto adjustment
 16. Jump to lead-in area
 17. Read TOC
 18. Stop

(3) SACD (dual layer)

 1.

Sled reverse move (sled in)

 2.

Disc detect

 3.

IC setting for SACD

 4.

Servo error signal offset auto adjustment

 5.

Spindle kick for LD on

 6.

LD on

 7.

Focus search

 8.

Focus servo on (layer 0)

 9.

Spindle kick

 10. Spindle servo on
 11. E-F balance auto adjustment (layer 0)
 12. Tracking & sled servo on (layer 0)
 13. Focus bias auto adjustment (layer 0)
 14. Focus servo gain auto adjustment (layer 0)
 15. Tracking servo gain auto adjustment (layer 0)
 16. Jump to lead-in area
 17. Read TOC
 18. Focus jump (layer 0

tlayer 1)

 19. E-F balance auto adjustment (layer 1)
 20. Tracking & sled servo on (layer 1)
 21. Focus bias auto adjustment (layer 1)
 22. Focus servo gain auto adjustment (layer 1)
 23. Tracking servo gain auto adjustment (layer 1)
 24. Focus Jump (layer 1

tlayer 0)

 25. Stop

4

disc table

loading panel assy

tapering driver

cover (CAM)

2

Draw out the loading panel assy
in the direction of arrow 

B

.

1

Insert a tapering driver in the hole
at the bottom of the unit,
turn the cover (CAM) fully in the
direction of arrow 

A

.

B

A

Place the insulator on the MAIN board, then install the base unit (DVBU4B) on it as shown in the figure.

base unit
(DVBU4B)

MAIN board

insulator

5

When connecting the cable from transformer to POWER board, set it as shown in the figure.

CN452

POWER board

clamp wire

CN422

CN401

transformer

6

This section is extracted from
instruction manual.

7

TIME/TEXT button (15)
Each time you press the button, the playing time of the
track, the total remaining time on the disc, or TEXT
information appears in the display.

8

MENU (13)
Press to enter the menu.

9

MULTI/2CH button (with an LED) (14)
Each time you press the button while the 2 channel+
Multi-channel Super Audio CD (page 13) is loaded,
the playback area changes between the multi-channel
playback area (the LED turns on) and 2 channel
playback area (the LED turns off).

0

SACD/CD button (with an LED) (14)
Each time you press the button while the Hybrid disc
(page 13) is loaded, the layer changes between the HD
layer (the LED turns on) and CD layer (the LED turns
off).

qa

Display window (15)
Shows  various information.

qs

N

Press  to start play.

N

Lights up during playback.

qd

X

Press to pause play.

X

Lights up during pause.

qf

x

Press to stop play.

qg

l

 AMS L dial (AMS: Automatic Music Sensor)

(13)
When you turn the  l AMS L dial
counterclockwise by one click, you go back to the
preceding track; when you turn the  l 

AMS 

L

dial clockwise by one click, you go to the succeeding
track.

AMS 

1

POWER switch (14)
Press to turn on the player.

2

3

Disc tray (14)
Press A OPEN/CLOSE to open/close the disc tray .

4

A

Press to open the disc tray .

5

PHONES
Connect the headphones.
During playback of a Multi-channel Super Audio CD,
the same signal that is output from the ANALOG
5.1CH FRONT L/R jacks is output from the PHONES
jack.

6

PHONE LEVEL
Adjust the headphones volume.