SONY DAVS500
Manual de Servicio

HCD-S500/S800

[0] Reset SLED TILT [1] LD [2] SP [3] Focus [4] TRK [5] Sled [6] CLVA

Reset the Sled and Tilt to initial position. Turn ON/OFF the laser. Turn ON/OFF the spindle. Search the focus and turn on the focus. Turn ON/OFF the tracking servo. Turn ON/OFF the sled servo. Turn ON/OFF normal servo of spindle servo. Apply same voltage as that of focus search to the focus drive to check the focus drive system. Move the sled outward. Perform this operation with the tracking servo turned off. Move the sled inward. Perform this operation with the tracking servo turned off. Move the tilt upward. Move the tilt downward.

6. Memory Check
EEPROM Data1 CD xx xx xx -� DL �LCD SL L0 xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx L1 xx xx xx xx xx xx xx xx

Focus Gain TRK. Gain FCS Balance

Focus Bias xx xx TRV. Offset xx xx L. F. Offset xx xx EQ Boost xx xx Mirror Time xx xx _DOWN: Next Data CLEAR: Default Set EEPROM Data1 CD RF Jitter xx RF Level xx FE Level xx FE Balance xx TRV. Level xx Analog FRSW xx PLL DacGain xx _ UP : Prev Data CLEAR: Default Set

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[7] FCS. Srch

� Sled FWD

� Sled REV

-� DL �LCD SL L0 -xx xx -xx --xx --xx --xx -xx xx xx xx xx xx

L1 xx ----xx xx

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� Tilt UP � Tilt DOWN

The following menus are normally not used. 3. Track/Layer Jump 4. Manual Adjustment 5. Auto Adjustment

This screen displays current servo adjusted data stored in the EEPROM. Though adjusted data can be initialized with the [CLEAR] key, they cannot be restored after initialization. So, before clearing, make a note of the adjusted data. For reference, the drive has been designed so that the gain center value is 20 and offset value is 80. Other values will be in a range of 10 to 80. If extreme value such as 00 or FF is set, adjustment will be faulty. In such a case, check for disc scratch or cable disconnection, then perform adjustment again. 7. Sacd Water Mark

The persons who do not know well about these menus should not use them.

4-12. MECHA AGING
### Mecha Aging ###

Press OPEN Key

Abort: STOP key

On the Test Mode Menu Screen, selecting [3] executes the aging of the mechanism. Start aging with PLAY. During aging, the repeat cycle is displayed. Aging can be aborted at any time by pressing the x key. After the operation is stopped, press the x key or [RETURN] key again to return to the Test Mode Menu. SEARCH Aging is only for a CD.

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