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 Reset SLED TILT  LD  SP  Focus  TRK  Sled  CLVA  FCS. Srch
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.
6-6. MECHA AGING
### Mecha Aging ###
Press OPEN key
Abort: STOP key
â Sled FWD
On the Test Mode Menu screen, selecting  executes the aging of mechanism. First, open the tray and load a disc. Press the [PLAY] key, and the aging will start. When the tray is closed, the disc type and size are judged and displayed. During aging, the repeat cycle is displayed. Aging can be aborted at any time by pressing the [STOP] key. After the operation has stopped, unload the disc and press again the [STOP] key or the [RETURN] key to return to the Test Mode Menu.
â Sled REV
6-7. EMERGENCY HISTORY
### MEG. History ### Laser Hours CD DVD xxxxxxxh xxxxxxxh
â Tilt UP â Tilt DOWN
1. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
The following menus are normally not used.
3. 4. 5.
Track/Layer Jump Manual Adjustment Auto Adjustment
2. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Select: 1 â 9 Scroll: UP/DOWN (1: Last EMG.) Exit: Return
The persons who do not know well about these menus should not use them.
On the Test Mode Menu screen, selecting  displays the information such as servo emergency history. The history information from last 1 up to 10 can be scrolled with â key or â key. Also, specific information can be displayed by directly entering that number with ten keys. The upper two lines display the laser ON total hours. Data below minutes are omitted.
6. Memory Check
EEPROM DATA CD ID No. 00 SACD Focus Gain xx xx TRK. Gain xx xx Focus Offset xx xx TRK. Offset xx xx L. F. Offset xx xx EQ Boost xx xx Jitter xx xx Mirror Time xx xx _ CLEAR: Default Set â SL xx xx xx xx xx xx xx xx DVD L0 xx xx xx xx xx xx xx xx â L1 xx xx xx xx xx xx xx xx
Clearing History Information Clearing laser hours Press [DISPLAY] and [CLEAR] keys in this order. Both CD and DVD data are cleared. Clearing emergency history Press [TITLE] and [CLEAR] keys in this order. Initializing set up data Press [DVD] and [CLEAR] keys in this order. The data have been initialized when âSet Up Initializedâ message is displayed. The EMG. History screen will be restored soon.
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.