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21

3

two coil springs 

     (insulator)

5

two coil springs 

     (insulator)

4

two insulators 

6

two insulators 

7

optical pick-up

     (BU-K6BD91UR)

1

two floating screws

     (+PTPWH M2.6)

2

two floating screws

     (+PTPWH M2.6)

2

tray

3

belt (table)

5

pulley (table)

8

screw

     (+BTTP (M2.6))

0

SENSOR board

7

gear (geneva)

9

CN731
(3P)

1

floating screw 

     (+PTPWH M2.6)

6

floating screw 

     (+PTPWH M2.6)

4

floating screw 

     (+PTPWH M2.6)

22

6

Remove the two solderings of motor.

8

MOTOR (TB) board

7

table motor assy (M741)

5

two screws

     (+BTTP (M2.6))

4

1

stopper

2

stopper

table

3

 wire (flat type) (5 core)

    (CN742)

2

Remove the two solderings of motor.

4

MOTOR (LD) board

1

belt (loading)

5

loading motor assy (M751)

3

two screws

     (+BTTP (M2.6))

23

4. When the [MASTER VOLUME] knob is turned clockwise even

slightly, the sound volume increases to its maximum and a
message “VOLUME MAX” appears on the fluorescent indicator
tube.

5. When the [MASTER VOLUME] knob is turned counter-clockwise

even slightly, the sound volume decreases to its minimum and a
message “VOLUME MIN” appears on the fluorescent indicator
tube.

* Tape function
1. Insert a tape in deck B. The function is changed to VIDEO

automatically when the recording is started by pressing [CD-
TAPE SYNC] then press [TAPE REC PAUSE/START] button.
During recording the ALC (Automatic Logic Control) is turned
on.

2. During recording, press  m   button will stop the recording

and the function is changed to TAPE B and rewind the tape in
Deck B until the recording start position and playback of the
tape in Deck B is started. If the [TAPE REC PAUSE/ START]
button is pressed for a pause and pressed again to resume
recording during recording time, when the tape is rewind, the
tape will be rewind until the position where the pause is applied.

* To release from MC Test mode
1. To release from this mode, press  ?/1  button.
2. The cold reset is enforced at the same time.

• The cold reset clears all data including preset data stored in the

RAM to initial conditions. Execute this mode when returning
the set to the customer.

Procedure:
1. Press  ?/1  button to turn on the system.
2. Press  x  button, [ENTER] button and  ?/1  button

simultaneously.

3. The message “COLD RESET” appears on the fluorescent

indicator tube. Then, the fluorescent indicator tube becomes
blank for while, and the set is reset.

• This mode is used to switch ON and OFF the VACS (Variable

Attenuation Control System).

Procedure:
1. Press  ?/1  button to turn on the system.
2. Press  x  button and [ILLUMINATION] button simultaneously.

The message “VACS OFF” or “VACS ON” appears on the
fluorescent indicator tube.

• The step interval of AM channels can be toggled between 9 kHz

and 10 kHz.
This mode is not available for Saudi Arabia model.

Procedure:
1. Press  ?/1  button to turn on the system.
2. Press [TUNER/BAND] button repeatedly to select the “AM”.
3. Press  ?/1  button to turn off the system.
4. Press  [ENTER]  button and  ?/1    button simultaneously. The

system will turn on automatically. The message “AM 9K STEP”
or “AM 10K STEP” appears on the fluorescent indicator tube
and thus the channel step is changed.

• This mode is used to check the fluorescent indicator tube, LEDs,

buttons, MASTER VOLUME knob, OPERATION DIAL knob,
model, destination, software version.

Procedure:
1. Press  x  button, [ENTER] button and [DISC 2] button

simultaneously.

2. All LEDs and segments in fluorescent indicator tube are lighted

up.
All LEDs are lighted up in red color except for  NX  LED
where the LED is lighted up in green color.

3. When you want to enter to the model version and destination

display mode, press [DISC 1]  button. The model information
appears on the fluorescent indicator tube.

4. Each time [DISC 1]  button is pressed, the display changes to

display software version and date of the software creation. The
sequence is MC version, GC version, SYS version, CD version,
CDDM version, CDMA version, CDMB version, BDA version,
BDB version, ST version, TC version, TA version, TM version,
MM1 version and MM2 version in this order, and returns to the
model version display.

5. Press [DISC 2] button, the key check mode is activated.
6. In the key check mode, the fluorescent indicator tube displays

“K  0  J0  V0”.
Turn the [OPERATIONAL DIAL] clockwise; “J” value increases
by one. Turn the [OPERATIONAL DIAL] counterclockwise; “J”
value decreases by one. Each time a button is pressed, “K” value
increases. Press other keys on main unit to check whether the
key is detected. However, once a button has been pressed, it is
no longer taken into account.
“V” value increases in the manner of 0, 1, 2, 3 ... if [MASTER
VOLUME] knob is turned clockwise, or it decreases in the manner
of 0, 9, 8, 7  ... if [MASTER VOLUME] knob is turned
counterclockwise.

7. When [DISC SKIP/EX-CHANGE] button is pressed after all LEDs

and segments in fluorescent indicator tube light up, alternate
segments in fluorescent indicator tube and LED would light up.
If you press [DISC SKIP/EX-CHANGE] button again, another half
of alternate segments in fluorescent indicator tube and LEDs
would light up.  Pressing [DISC SKIP/EX-CHANGE] button again
would cause all LED and segments lights up.

8. To  release from this mode, press three buttons in the same

manner as step 1, or disconnect the power cord.

• This mode is used to check operations of the respective sections

of Amplifier, Tuner and Tape.

Procedure:
• To enter MC Test Mode
1. Press  x  button, [ENTER] button and [DISC 3] button

simultaneously.

2. The CD ring indicators and TAPE A and B indicators flash on

the fluorescent indicator tube. The function is changed to
VIDEO.

* Check of Amplifier
1. Press  [EQ BAND/MEMORY] button repeatedly until a message

“GEQ MAX” appears on the fluorescent indicator tube. GEQ
increases to its maximum.

2. Press  [EQ BAND/MEMORY] button repeatedly until a message

“GEQ MIN” appears on the fluorescent indicator tube. GEQ
decreases to its minimum.

3. Press  [EQ BAND/MEMORY] button repeatedly until a message

“GEQ FLAT” appears on the fluorescent indicator tube. GEQ
is set to flat.

24

• This mode let you move the CD sled motor freely. Use this mode

when you want to clean the optical pick-up.

Procedure:
1. Press  ?/1  button to turn on the system.
2. Select CD function.
3. Press  x  button, [ENTER] button and [OPEN/CLOSE] button

simultaneously.

4. The CD service mode is activated. The message “SERVICE

MODE” appears on the fluorescent indicator tube.

5. With the CD in stop status, press  M    to move the optical

pick-up to outside track, or turn  m  to move to inside track.
The message “SLED OUT” or “SLED IN” appears on the
fluorescent indicator tube.

6. To turn on or off the laser, press [FLANGER] button. The message

“LD ON” or “LD OFF” appears on the fluorescent indicator
tube.

7. To release from this mode, press  ?/1  button to turn off the

system.

• This mode can be used for operation check of CD section. If an

error occurs, the aging operation would stops and the status is
displayed. If there were no error occurs, the aging operation
would continue repeatedly.

Procedure:
1. Press  ?/1  button to turn on the system.
2. Select CD function.
3. Load three discs on disc tray.
4. Press [PLAY MODE/TUNING MODE] button on the remote control

repeatedly to select the “ALL DISCS” mode, and press the
[REPEAT/FM MODE] button on the remode control repeatedly
to select repeat mode off.

5. Press  x  button, [ENTER] button and [DISC SKIP/EX-CHANGE]

button simultaneously.

6. Aging operation is started.
7. To release from this mode, press  ?/1  button or disconnect the

power cord to turn the power OFF.

DISC CHUCKING

TOC READING

PLAY FIRST TRACK FOR 2

SECONDS

OPEN THE DISC TRAY

DISC SKIP

CLOSE THE DISC TRAY

START 

PLAY LAST TRACK FOR 2

SECONDS

EX-CHANGE OPEN/CLOSE

CHANGE THE NEXT DISC