SONY HCD-SB500W - ADJUSTMENTS - DETAILS

ADJUSTMENTS

RELEASING THE DISC TRAY LOCK

• The disc tray lock function for the anti-theft of a demonstration disc in the store is equipped.

Releasing Procedure:

• Press two buttons of EJECT and STOP simultaneously for five seconds.
• The message “UNLOCKED” is displayed and the tray is unlocked.
• Note: When “LOCKED” is displayed, the tray lock is not released by turning power on/off with the STBY/POWER button.

NOTE OF REPLACING THE DMB07 BOARD

When replacing the DMB07 board, since the adjustment value is not set up correctly, “Drive Auto Adjustment” can’t be performed.  In this case, initialize Memory in the following procedures.

• Set the test mode. [See the procedure by previous post here]
• Press the [2] key of the remote commander, and set the “DRIVE MANUAL OPERATION”.
• Press the [6] key of the remote commander, and set the “2-6, Memory Check”.
• Press the [CLEAR] key of the remote commander, and initialize Memory.

COLD RESET

The cold reset clears all data including preset data stored in the RAM to initial conditions.

Procedure:

• Press three buttons of the ►►|, PAUSE and EJECT simultaneously.
• The message “ColdRESET” is displayed on the fluorescent indicator tube, and the set is reset, then becomes standby mode.

VERSION DISPLAY

This mode is used to check the model and software version.

Procedure:

• Press the STBY/POWER button to turn the power on.
• Press three buttons of the [VOL▲] ,  [VOL ▼] and EJECT simultaneously for five seconds. The software version and destination is displayed.

DISPLAY LED TEST

This mode is used to check the fluorescent indicator tube and FL back light LED

• Press three buttons of the VOL▼ , |◄◄  and EJECT simultaneously.
• All segments of fluorescent indicator tube and FL back light LED are turned ON.
• To release from this mode, press the EJECT button.

ROBBERY PREVENTION LOCK

This mode is used to unable to take sample disc out of set in the shop.

Procedure:

• Press the POWER/STBY button to turn the power on.
• Press the [FUNCTION] button to select “DVD”.
• Press two buttons of the STOP and EJECT simultaneously for five seconds.
• The message “LOCKED” is displayed on the fluorescent indicator tube and the disc tray is locked. (Even if pressing the A button, the message “LOCKED” is displayed on the liquid crystal display and the disc tray is locked)
• To release from this mode, press two buttons of the STOP and the EJECT simultaneously for five seconds again.
• The message “UNLOCKED” is displayed on the liquid crystal display and the disc tray is unlocked.

SHIP MODE

This mode moves the optical pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair.

Procedure:

• Press the STBY/POWER button to turn the power on.
• Press the [FUNCTION] button to select “DVD”.
• Press three buttons the  ► ►| , |◄◄ and EJECT simultaneously.
• The message “MECHA LOCK” is displayed on the liquid crystal display and the ship mode is set, then becomes power off.

REPEAT 5 TIMES CANCEL

The number of repeat for DVD playback is 5 times when the repeat mode is “REPEAT”. This mode enables DVD to repeat playback for limitless times.

Procedure:

• Press the STBY/POWER button to turn the power on.
• Press the [FUNCTION]button to select “DVD”.
• Press three buttons of the ►►|,  [VOL +] and EJECT simultaneously.
• Repeat 5 times limit is canceled.

AUTOSERVO ADJUSTMENT

• After parts related to the servo circuit (RF amplifier (IC001), DSP (IC509), motor driver (IC501), EEPROM (IC903) so on) are replaced, re-adjusting the servo circuit is necessary. Select “ALL” at “1. DRIVE AUTO ADJUSTMENT”) and adjust DVD-SL (single layer), CD and DVD-DL (dual layer).

Drive Auto Adjustment

• On the Test Mode Menu screen, press the [1] key on the remote commander, and the Adjustment Menu will be displayed.

Normally, [0] is selected to adjust DVD (single layer), CD and DVD (dual layer) in this order. But, individual items can be adjusted for the case where adjustment is suspended due to an error. In this mode, the adjustment can be made easily through the operation following the message displayed on the screen.  The disc used for adjustment must be the one specified for adjustment.

ALL

• Press the [0] key on the remote commander, and the servo set data in EEPROM will be initialized. Then, 1. DVD-SL disc, 2. CD disc and 3. DVD-DL disc are adjusted in this order.
• Each time one disc was adjusted, it is ejected. Replace it with the specified disc following the message. You can finish the adjustment by pressing the [RTURN]button on the remote commander.

Note: During adjustment of each disc, the measurement for disc type judgment is made. As automatic adjustment does not judge the disc type unlike conventional models, take care not to insert wrong type discs. Also, do not give a shock during adjustment.

DVD-SL (single layer)

• Press the [1] key on the remote commander and insert a DVD single layer disc following the message. Then the adjustment will be made through the steps, then adjusted values will be written to the EEPROM.

DVD Single Layer Disc Adjustment Steps:

1. Sled reset

2. Disc check memory SL

3. Wait 300 msec

4. Set disc type SL

5. LD on

6. Spindle start

7. Wait 1 sec

8. Focus servo on 0

9. Auto track offset adjust

10. CLVA on

11. Wait 500 msec

12. Tracking on

13. Wait 1 sec

14. Sled on

15. Check CLV on

16. Auto focus offset adjust

17. Auto focus gain adjust

18. Auto focus offset adjust

19. EQ boost adjust

20. Auto track gain adjust

21. All servo stop

22. EEP copy loop filter offset.

CD

Press the [2] key on the remote commander and insert a CD disc following the message. Then the adjustment will be made through the steps, then adjusted values will be written to the EEPROM.

CD Adjustment Steps:

1. Sled rest

2. Disc check memory CD

3. Wait 500 msec

4. Set disc type CD

5. LD on

6. Spindle start

7. Wait 500 msec

8. Focus servo on 0

9. Auto track offset adjust

10. CLVA on

11. Wait 500 msec

12. Tracking on

13. (TC display start)

14. Wait 1 sec

15. Sled ON

16. Check CLV on

17. Auto focus offset adjust

18. Auto focus gain adjust

19. Auto focus offset adjust

20. EQ boost adjust

21. Auto track gain adjust

22. All servo stop.

DVD-DL (dual layer)

Press the [3] key on the remote commander and insert a DVD dual layer disc following the message. Then the adjustment will be made through the steps, then adjusted values will be written to the EEPROM.

DVD Dual Layer Disc Adjustment Steps:

1. Sled reset

2. Disc check memory DL

3. Wait 500 msec

4. Set disc type DL

5. LD on

6. Spindle start

7. Wait 1 sec

Layer 1 Adjust

8. Focus servo on 0

9. Auto track offset adjust

10. CLVA on

11. Wait 500 msec

12. Tracking on

13. Wait 500 msec

14. Sled on

15. Check CLV lock

16. Auto focus adjust

17. Auto focus gain adjust

18. Auto focus offset adjust

19. EQ boost adjust

20. Auto Track Gain Adjust

Layer 0 Adjust

21. Focus jump (L1 →L0)

22. Auto track offset adjust L0

23. CLVA on

24. Wait 500 msec

25. Tracking on

26. Wait 500 msec

27. Sled on

28. Check CLV lock

29. Auto Focus Adjust

30. Auto focus gain adjust

33. Auto focus offset adjust

34. EQ boost adjust

35. Auto track gain adjust

37. All servo stop.

Drive Manual Operation

Note: This mode is used for design, and not used in service fundamentally.

On the Test Mode Menu screen, press the [2] key on the remote commander, and the Operation Menu will be displayed. For the manual operation, each servo on/off control and adjustment can be executed manually.