Sony AVD-S50, Service Manual

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18
AVD-S50/S50ES
2-1. Disc Type
Disc Type
Disc Type Select
1. Disc Type Auto Check
2. Set Disc Type DVD
3. Set Disc Type CD
4. Set Disc Type Hybrid
Exit: RETURN
2-1-1. Disc Type Auto Check
1) Press the
[1]
key on the remote commander to display the Disc
Type Auto Check screen.
2) Insert a disc and press the
[ENTER]
key on the remote
commander.
3) It judges the type of inserted disc automatically and displays
the disc type and so on as below.
Disc Type Auto Check
Disc Type xx
Layer xx
Mirr Time xx
Mirr Count xx
FZC Count xx
PI Reference xx
PI Peak xx
ENTER.Execute
Exit: RETURN
Disc Type : CD, DVD or Hybrid (SACD)
Layer : SINGLE, DUAL or HYBRID
Mirr Time : Mirror time of between disc surface and record
surface when disc type judgment. (hexadecimal
number)
Mirr Count : The number of times which mirror counts between
disc surface and record surface when disc type
judging. (hexadecimal number)
FZC Count : The number of times which focus zero cross points
of each layer when lens down. (hexadecimal number)
PI Reference : The average of PI reference voltage. (hexadecimal
number)
PI Peak : PI peak level voltage. It performs only when disc
type judgment is successful. (hexadecimal number)
2-1-2. Disc Type DVD
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
[1]
: DVD single layer disc (12 cm)
[2]
: DVD dual layer disc (0 layer, 12 cm)
[3]
: DVD dual layer disc (1 layer, 12 cm)
[4]
: DVD-RW disc (12 cm)
[5]
: DVD single layer disc (8 cm)
[6]
: DVD dual layer disc (0 layer, 8 cm)
[7]
: DVD dual layer disc (1 layer, 8 cm)
2-1-3. Disc Type CD
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
[1]
: CD disc (normal speed, 12 cm)
[2]
: CD disc (double speed, 12 cm)
[3]
: CD disc (normal speed, 8 cm)
[4]
: CD disc (double speed, 8 cm)
[5]
: CD-RW disc (normal speed, 12 cm)
[6]
: CD-RW disc (double speed, 12 cm)
[7]
: CD-RW disc (normal speed, 8 cm)
[8]
: CD-RW disc (double speed, 8 cm)
2-1-4. Disc Type Hybrid
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
[1]
: SACD Hybrid disc (SACD layer, 12 cm)
[2]
: SACD Hybrid disc (CD layer, normal speed, 12 cm)
[3]
: SACD Hybrid disc (CD layer, double speed, 12 cm)
[4]
: SACD Hybrid disc (SACD layer, 8 cm)
[5]
: SACD Hybrid disc (CD layer, normal speed, 8 cm)
[6]
: SACD Hybrid disc (CD layer, double speed, 8 cm)
2-2. Servo Control
Note:
Be sure to perform the disc type setup before performing this item.
Servo Control
1.LD off R.Sled FWD
2.Focus off L.Sled REV
3.SPDL off U.Sled Reset
4.CLVA off D.Sled Limit
5.Trk. off
6.Sled off
7.Fcs.Srch off
8.Fcs.OppL off
0.All Servo Off
Exit: RETURN
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.
[1]
LD : Turn on/off the laser.
[2]
Focus : Search the focus and turn on the focus.
[3]
SPDL : Turn on/off the spindle.
[4]
CLVA : Turn on/off normal servo of spindle servo.
[5]
Trk. : Turn on/off the tracking servo.
[6]
Sled : Turn on/off the sled servo.
[7]
FCS. Srch : Turn on/off the focus search.
[8]
FCS. OppL : Turn on/off the focus search to another layer
of designated layer in Disc Type setting. (dual
layer disc only)
[10/0]
: All servo off.
[R]
Sled FWD (right cursor) : Move the sled forward.
[L]
Sled REV (left cursor) : Move the sled reverse.
[U]
Sled FWD (up cursor) : Reset the sled.
[D]
Sled REV (down cursor) : Limit in the sled.