![background image](http://html.mh-extra.com/html/sony/ss-cm90/ss-cm90_service-manual_1329653025.webp)
24
HCD-M90
0.
Disc Check Memory
Disc Check
1. SL Disc Check
2. CD Disc Check
3. DL Disc Check
0. Reset SLED TILT
_
On this screen, the mirror time is measured to judge the disc and it
is written to the EEPROM. First load DVD SL disc and press
[1]
key on the remote commander, next load CD disc and press
[2]
key
on the remote commander, and finally load DVD DL disc and press
[3]
key on the remote commander. 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 10 to 20, and for CD, from 28 to 4F. 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
DVD
>
or
DVD
.
key on the
remote commander, but you cannot enter this mode from another
mode. You can enter this mode from the Operation Menu screen
only.
1.
Disc Type
Disc Type
1. Disc Type Auto Check
2. DVD SL
12 cm
3. DVD DL
12 cm
4. CD
12cm
5. LCD
12 cm
6. DVD SL
8 cm
7. DVD DL
8 cm
8. CD
8 cm
9. LCD
8 cm
0. Reset SLED TILT
-- SA. ------ SI. --
EMG. 00
DVD SL12cm
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. Pressing
[1]
key on the remote commander automatically
selects and displays the disc type. In case of wrong display, retry
“Disc Check Memory”. Also, opening the tray causes the set disc
type to be cleared. In this case, set the disc type again after loading.
In performing manual operation, the disc type must be set. 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.
Disc Type
1. Disc Type Auto Check
2. DVD SL
12 cm
3. DVD DL
12 cm
4. CD
12cm
5. LCD
12 cm
6. DVD SL
8 cm
7. DVD DL
8 cm
8. CD
8 cm
9. LCD
8 cm
0. Reset SLED TILT
SA. SI. EMG. 00
DVD SL 12 cm
Display when DVD SL 12cm disc was selected
Disc Type
1. Disc Type Auto Check
2. DVD SL
12 cm
3. DVD DL
12 cm
4. CD
12cm
5. LCD
12 cm
6. DVD SL
8 cm
7. DVD DL
8 cm
8. CD
8 cm
9. LCD
8 cm
0. Reset SLED TILT
TC. : : EMG. 00
CD 12 cm
Display when CD 12cm disc was selected
[10/0]
Reset SLED TILT Reset the sled and tilt to initial position.
[1]
Disk Type Check
Judge automatically the loaded disc. As
the judged result is displayed at the
bottom of screen, make sure that it is
correct. If Disc Check Memory menu has
not been executed after EEPROM
default setting, the disc type cannot be
judged. In this case, return to the initial
menu and make a check for three types
of discs (SL, DL, CD).
[2]
to
[9]
Select the loaded disc. The adjusted
value is written to the address of selected
disc. No further entry is necessary if
[1]
was pressed.
2. Servo Control
Servo Control
1. LD
Off R.Sled FWD
2. SP
Off L.Sled REV
3. Focus
Off
4. TRK.
Off
5. Sled
Off
6. CLVA
Off
7. FCS. Srch Off
0. Reset SLED TILT
SA. SI. EMG. 00
DVD SL 12 cm
On this screen, the servo on/off control necessary for replay is
executed. Normally, turn on each servo from 1 sequentially and
when CLVA is turned on, the usual trace mode becomes active. In
the trace mode, DVD sector address or CD time code is displayed.
This is not displayed where the spindle is not locked. The spindle
could run overriding the control if the spindle system is faulty or
RF is not present. In such a case, do not operate CLVA.
[0]
Reset SLED TILT
Reset the Sled and Tilt to initial position.
[1]
LD
Turn ON/OFF the laser.
[2]
SP
Turn ON/OFF the spindle.
[3]
Focus
Search the focus and turn on the focus.
[4]
TRK
Turn ON/OFF the tracking servo.
[5]
Sled
Turn ON/OFF the sled servo.
[6]
CLVA
Turn ON/OFF normal servo of spindle
servo.
[7]
FCS. Srch
Apply same voltage as that of focus
search to the focus drive to check the
focus drive system.
b
Sled FWD
Move the sled outward. Perform this
operation with the tracking servo turned
off.
B
Sled REV
Move the sled inward. Perform this
operation with the tracking servo turned
off.