Sony DVP-S7000 (serv.man2) Service Manual ▷ View online
– 10 –
1-5. Disc drive unit
1) Configuration of disc drive unit.
[Optical block specifications]
Tilt motor
Tilt sensor
Spindle motor
Optical block ass'y
Thread motor
Configuration of thread system
CD sensor
Skew adjustment
CD system OPT
DVD system OPT
Specification
Optical system
Drive unit
DC system OPT
2-shaft
Non-deflection,
limited optical system
(laser coupler)
limited optical system
(laser coupler)
DVD system OPT
Non-deflection,
unlimited optical system
unlimited optical system
2-shaft
Laser beam
780nm
650nm
Tracking error
TPP system
DPD system
Focus error
Differential 3-division system
Stigmatic system
Object lens
Plastic
Glass
– 11 –
2) Optical route diagram
Disc
Object lens
Object lens
OEIC
BSP
Laser coupler
Mirror
For CD
Laser diode
For DVD
– 12 –
1-6. Block diagram
Disc
OPT
RF
Process
Digital
Servo
Motor
Control
Drive Control
Sensor
ROM
RAM
De-
multiprex
Data
Process
CDROM
Decode
Video
Decode
Audio
Control
Audio
Decode
Audio D/A
Audio
output
NTSC/PAL
Encode
Video
Equalizer
Letter Box
Sub Picture
OSD
Video
output
System Control
ROM
Interface Control
SIRCS
Function Key
Indicator
RAM
Spindle
motor
D.N.R.
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1-7. Kinds and capacity of disc
1) Disc size : 12cm / 8cm
2) Disc type : Single / double layer
[Both sides, 2-layer]
12cm 17.08 Gbyte
:
8cm
5.32 Gbyte
:
[One side, 2-layer]
12cm 8.54 Gbyte
:
8cm 2.66 Gbyte
:
[Both sides, 1-layer]
12cm :
8cm :
[One side, 1-layer]
0.6mm
0.6mm
12cm
(8cm)
Note ) One side is a dummy disc and
no signals are recorded.
Note ) DVP-S7000 is able to play a disc
by setting it upside down after
opening the tray.
This does not mean that both
sides can be played by moving
an optical unit itself.
opening the tray.
This does not mean that both
sides can be played by moving
an optical unit itself.
Note ) One layer of signals are
recorded on both sides.
9.4
2.92
2.92
Gbyte
Gbyte
Gbyte
12cm 4.7
:
8cm 1.46
Gbyte
Gbyte
Gbyte
:
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