Sony DVP-NS400D Service Manual page 82

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4. Manual Adjustment
Manual Adjustment
1. TRK. Offset
2. Focus Gain
3. TRK. Gain
4. Focus Offset
5. Focus Balance
6. L.F. Offset
7. EQ BOOST
8. GD ADJ
Adjustment : Up/Down
SA.------ SI.-- EMG. 00
DVD SL 12 cm
On this screen, each item can be adjusted manually. Select the
[1]
desired number to
rent setting for the selected item will be displayed, then increase
or decrease numeric value with ↑ key or ↓ key. This value is
stored in the EEPROM. If CLV has been applied, the jitter is dis-
played for reference for the adjustment.
[1]
TRK. Offset
[2]
Focus Gain
[3]
TRK. Gain
[4]
Focus Offset
[5]
Focus Balance
TE
L 13942296513
[6]
L.F. Offset
[7]
EQ BOOST
[8]
GD ADJ
5. Auto Adjustment
Auto Adjustment
1. Auto TRK. Offset
2. Auto Focus Balance
3. Auto Focus Offset
4. Auto Focus Gain
5. Auto TRK. Gain
6. Auto EQ
7. Auto L.F. Offset
8. Auto Group Delay
SA.------ SI.-- EMG. 00
DVD SL 12 cm
On this screen, each item can be adjusted automatically. Select the
[1]
desired number
lected item is adjusted automatically.
[1]
Auto TRK. Offset
[2]
www Auto Focus Balance Adjusts focus balance.
[3]
Auto Focus Offset
.
[4]
Auto Focus Gain
[5]
Auto TRK. Gain
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Jitter 1D
[8]
from the remote commander, and cur-
Adjusts tracking offset.
Adjusts focus gain.
Adjusts track gain.
Adjusts focus offset.
Adjusts focus balance.
Adjusts loop filter offset.
[8]
to from the remote commander, and se-
Adjusts tracking offset.
x ao
Adjusts focus offset. y
i
Adjusts focus gain.
Adjusts track gain.
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8
[6]
Auto EQ
[7]
Auto L.F. Offset
[8]
Auto Group Delay
6. Memory Check
EEPROM DATA 1
Focus Gain
TRK. Gain
FCS Balance
Focus Bias
TRV. Offset
L.F. Offset
EQ Boost
Mirror Time
_
DOWN : Next Data
CLEAR: Default Set
EEPROM DATA 2
RF Jitter
RF Level
FE Level
FE Balance
TRV. Level
Analog FRSW
PLL Dac Gain xx xx
Q Q
3 6 7 1 3
_
UP : Prev Data
CLEAR: Default Set
On this screen, current servo adjusted data stored in the EEPROM
are displayed. The adjusted data are initialized by pressing the
[CLEAR]
key, but be careful that they are not recoverable after
initialization.
Before clearing the adjusted data, make a note of the set data. This
screen will also appear if
Adjustment. In this case, default setting cannot be made.
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 dis-
connection, then perform adjustment again.
u163
.
6-9
2 9 9 4 2 8
Adjusts loop filter offset.
-– DL -–
CD LCD SL L0 L1
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-– DL -–
CD LCD SL L0 L1
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[0]
All is selected in the Drive Auto
m
co
9 9
2 8 9 9