Manual Control (1); Manual Control (2) - Sony DVP-K800D Service Manual

Cd/dvd player
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0.
DVD SL 12cm
Adjust the single layer DVD disc.
1.
CD 12cm
Adjust the CD disc.
2.
DVD DL 12cm
Adjust the dual layer DVD disc.
3.
DVD SL 8cm
Adjust the single layer DVD disc.
4.
CD 8cm
Adjust the CD disc.
5.
DVD DL 8cm
Adjust the dual layer DVD disc.
6.
Disk Type Check
Identifies the inserted disc automatically. Result of identification is shown in the bottom column. Confirm that it is
right. There can be a case miss-identification when the machine is not adjusted yet after the EEPROM default
setting is made. The CD in which only the inner circumference is cut, can be incorrectly identified as a DVD.
7.
Hydet init
Initialization is performed for direct searching and the hall amplifier gain is displayed.
8.
Sled init
The sled offset is displayed after canceling the offset value when the sled is stopped.
9.
Home
Moves to home position.

5-4-2. Manual Control (1)

Using this display, the playback system servo loops are turn on and off. The servo loops are normally turned on from the above described
item 0. then 1. and sequentially. Normal trace is obtained at the item of CLVA. Address or time code in the case of CD is displayed. If it is
not displayed, spindle servo fails to lock and the machine is faulty.
When the spindle system is faulty or when RF signal is not picked up, the spindle can run away. In such a case, do not operate CLVA.
0.
LD
Turns on and off the laser power.
1.
SP
Turns on and off the spindle system. When the spindle is turned on, it enter the constant speed mode.
2.
Tilt
Turns on and off the tilt servo system.
3.
Focus
Performs focus search and turns on the focus system. Operation is terminated when focus does not turn on after
searching for three times or so.
4.
TRK.
Turns on and off the tracking servo system.
5.
Sled
Turns on and off the sled servo system.
6.
AGC
Turns on and off the focus error auto gain control using the pull-in level.
7.
CLVA
Spindle normal servo
8.
CAV
Spindle constant speed mode
9.
HOME
Moves to home position
→. Sled FWD
Moves the sled in the direction to outer circumference. Perform this item with the tracking servo system off.
←. Sled RVS
Moves the sled in the direction to inner circumference. Perform this item with the tracking servo system off.
↑. Tilt Up
Moves the tilt upwards.
↓. Tilt Down
Moves the tilt downwards.

5-4-3. Manual Control (2)

This display is different in the basic machine and the changer machine. The changer machine has the special command to control the
mechanism.
5-22

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