Sony D-VM1 Service Manual page 16

Portable cd/dvd player
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D-VM1
4-5. DRIVE MANUAL OPERATION
On the Test Mode Menu screen, select 2 "R" , and the Manual
operation menu will be displayed. For the Manual operation, each
servo on/off control and adjustment can be executed manually.
## Drive Manual Operation ##
Operation Menu
1. Disc type
2. Servo Control
3. Track/Layer Jump
4. Manual Adjustment
5. Auto Adjustment
6. Memory Check
9. Disc Speed Change
0. Disc Check Memory
In using the Manual operation menu, take care of the following
points. These commands do not provide protection, thus requiring
correct operation. The sector address or time code field is dis-
played when a disc is loaded.
1. Set correctly the disc type to be used on the Disc Type screen.
The disc type must be set after a disc was loaded. The set disc
type is cleared when the tray is opened.
2. After power ON, if the Drive Manual Operation was selected,
first perform Reset SLED TILT by opening 1. Disc Type screen.
3. In case of an alarm, immediately press the x "R" button to
stop the servo operation, and turn the power OFF.
Basic operation (controllable from front panel or remote
commander)
x (by pressing and holding) Power OFF
x , x "R"
RETURN "R"
NEXT "R" , PREV "R"
1 "R" to 9 "R" , 0 "R"
↑ "R" , ↓ "R"
16
Servo stop
Return to Operation Menu or Test
Mode Menu
Transition between sub modes of
menu
Selection of menu items
Increase/Decrease in manually ad-
justed value
0. Disc Check Memory
Disc Check
1. SL Disc Check
2. CD Disc Check
3. DL Disc Check
4. Disc EX
0. Reset SLED TILT
On this screen, the mirror time is measured to judge the disc and it
is written to the EEPROM. 4. Disc Ex is not used. First load DVD-
SL disc and press 1 "R" , next load CD disc and press 2 "R" ,
and finally load DVD-DL disc and press 3 "R" .
The adjustment must be executed more than once after default
data were written. External vibration or shock to the player must
not be given. Reference value for DVD is from 28 to 3f, and for
CD, from 50 to 6F.
Check that the value of CD is larger than that of DVD.
When those values are beyond a range, perform this adjustment
again.
From this screen, you can go to another mode by pressing the
NEXT "R" or PREV "R" key, but you cannot enter this mode
from another mode. You can enter this mode from the Operation
Menu screen only.
1. Disc Type
1. Disc Type Auto Check
[DVD SL] 2.
12 cm
[DVD DL] 3.
12 cm
[CD]
4.
12cm
[SACD]
5.
12 cm
[CD-RW]
Up.
12 cm
[DVD-R]
Ag.
12 cm
[DVD RW] ST.
12 cm
[DRW-HG] L.
12 cm
0. Reset SLED TILT
SA. ------ SI. -- EMG. 00
DVD SL 12 cm
On this screen, select the disc type. To select the disc type, press
the number of the loaded disc. The selected disc type is displayed
at the bottom. Selecting 1 "R" automatically selects and displays
the disc type. Note that the DVD-R and DVD-RW disc types are
displayed as the DVD-SL type by the disc type auto check. If any
disc type other than DVD-R and DVD-RW is not displayed cor-
rectly, retry Disc Check Memory. If you try the Manual operation,
be sure to specify the disc type. Never select the DRW-HG disc
type. If the DRW-HG mode is selected from any other disc types
other than DRW-HG while the LD (laser diode) turns on, it may
cause damage of LD (laser diode) in the worst case. Once the disc
type has been selected, the sector address or time code display
field will appear as shown below. These values are displayed when
PLL is locked.
6.
8 cm
7.
8 cm
8.
8 cm
9.
8 cm
Dw.
8 cm
Pg.
8 cm
Rp.
8 cm
R.
8 cm

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