Sony DVP-S7000 (serv.man2) Service Manual ▷ View online
DVP-S7000
OPERATION MANUAL
CD/DVD PLAYER
DVP
NEW TECHNICAL THEORY
FOR SERVICING
FOR SERVICING
– 3 –
Contents
1. Outline
.................................................................................................................................... 8
1-1. Series line-up (NTSC)
.............................................................................................. 8
1-2. Features
......................................................................................................................... 8
1-3. External appearance diagram
.................................................................................. 8
1-4. Internal appearance diagram (top view)
.............................................................. 9
1-5. Disc drive unit
........................................................................................................... 10
1-6. Block diagram
........................................................................................................... 12
1-7. Kinds and capacity of disc
..................................................................................... 13
1-8. Standard functions of DVD-Video player
......................................................... 15
1-9. Compression system used for DVD disc
........................................................... 17
1-10. Copy guard system
................................................................................................ 18
1-11. Audio system
........................................................................................................... 18
1-12. Parental control
....................................................................................................... 19
1-13. Playback area control function
.......................................................................... 20
2. DVD-Video Format Features
............................................................................... 21
Essential Points
.................................................................................................................. 21
DVD-Video Overview
..................................................................................................... 22
High-image-quality, high-sound-quality, and multi-function video disc .......................... 22
Arbitrary data amount distribution in accordance with contents ...................................... 23
Arbitrary data amount distribution in accordance with contents ...................................... 23
DVD-Video High Image Quality Technology (1) — Image Compression
Method “MPEG2”
............................................................................................................ 24
Reasons for the necessity of data compression ................................................................. 24
MPEG2 profiles and levels ............................................................................................... 24
Hybrid encoding with three major technologies ............................................................... 25
[Brief Memo] What is MPEG? ......................................................................................... 26
MPEG2 profiles and levels ............................................................................................... 24
Hybrid encoding with three major technologies ............................................................... 25
[Brief Memo] What is MPEG? ......................................................................................... 26
Spatial Axis Compression — Discrete Cosine Transform
..................................... 27
Inconspicuous frequency component removal by DCT .................................................... 27
Time Base Compression—Predictive Encoding by Motion Compensation
........ 28
Image construction by predictive encoding for predicting motion from neighboringframes ..... 28
“Motion Compensation” for deriving motion changes only ............................................. 28
“Motion Compensation” for deriving motion changes only ............................................. 28
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Time Base Compression — GOP Sequence and Bidirectional Prediction
....... 30
GOP sequence consisting of I, P, and B pictures .............................................................. 30
P picture and B picture ...................................................................................................... 31
P picture and B picture ...................................................................................................... 31
Hoffman Encoding
............................................................................................................ 32
[Brief Memo] What is 4:2:0 encoding in MP@ML ......................................................... 32
Data compression difference between DV System Digital Video and DVD .... 33
DVD-Video High Image Quality Technology (2)—Variable Transfer Rate
........ 34
Variable transfer rate for attaining a high degree of image recording efficiency .............. 34
2-3 Pull-Down System
.................................................................................................... 36
Converting 24 movie frames to 30 frames ........................................................................ 36
DVD-Video High Sound Quality (1) — Dolby Digital (AC-3)
........................... 37
Movie-theater-level powerful sound at home – Dolby Digital (AC-3) ............................. 37
Full-band 5.1-channel surround ........................................................................................ 38
Dolby AC-3’s high-efficiency encoding system ................................................................ 39
Full-band 5.1-channel surround ........................................................................................ 38
Dolby AC-3’s high-efficiency encoding system ................................................................ 39
DVD-Video High Sound Quality (2) — Linear PCM
............................................. 40
Highest level of sound quality provided by linear PCM ................................................... 40
Multiple Language Feature
............................................................................................ 41
“Multiple language dubbing” for recordings in up to 8 different languages .................... 41
“Multiple language subtitle” feature for recordings in up to 32 different languages ........ 41
“Multiple language subtitle” feature for recordings in up to 32 different languages ........ 41
Stream and Packet Transmission
.................................................................................. 42
“Stream”— data flow ......................................................................................................... 42
Packet multiplex transmission system ............................................................................... 42
Packet multiplex transmission system ............................................................................... 42
DVD-Video Interactive Features
.................................................................................. 44
Title menu and DVD menu ............................................................................................... 44
Multi-story feature ............................................................................................................ 44
Multi-angle feature offering up to 9 different camera angles ........................................... 45
Parental control feature (optional) .................................................................................... 46
Multiple aspect ratio feature ............................................................................................. 46
[Brief Memo] How seamless playback works .................................................................. 47
Multi-story feature ............................................................................................................ 44
Multi-angle feature offering up to 9 different camera angles ........................................... 45
Parental control feature (optional) .................................................................................... 46
Multiple aspect ratio feature ............................................................................................. 46
[Brief Memo] How seamless playback works .................................................................. 47
DVD-Video Copyright Protection System
................................................................ 48
Reproduction control regional codes for six divisions of the world ................................. 48
Copy-protection system provided by software/hardware combination ............................. 48
Copy-protection system provided by software/hardware combination ............................. 48
DVD-Video Software Production
................................................................................ 49
Telecine ............................................................................................................................. 49
Authoring 1 — Process ...................................................................................................... 49
Authoring 2 — MPEG2 encoding ...................................................................................... 50
Disc manufacture .............................................................................................................. 50
Authoring 1 — Process ...................................................................................................... 49
Authoring 2 — MPEG2 encoding ...................................................................................... 50
Disc manufacture .............................................................................................................. 50
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3. RF BLOCK
....................................................................................................................... 52
3-1. DVD RF Block
.......................................................................................................... 53
3-1-1. Attenuation of OP Output Signals ......................................................................... 54
3-1-2. HPF ........................................................................................................................ 54
3-1-3. RF Front End Processing: IC001 SSI33P3720 ...................................................... 54
3-1-4. Differential Amplifier: IC765 LT1191 ................................................................... 58
3-1-5. RF Processing: IC770 CXD8599Q ........................................................................ 59
3-1-2. HPF ........................................................................................................................ 54
3-1-3. RF Front End Processing: IC001 SSI33P3720 ...................................................... 54
3-1-4. Differential Amplifier: IC765 LT1191 ................................................................... 58
3-1-5. RF Processing: IC770 CXD8599Q ........................................................................ 59
3-2. CD RF Block
............................................................................................................. 70
3-2-1. RFIV Amplifier, RF Summing Amplifier: I002 CXA1791 ................................... 70
3-2-2. Digital PLL: IC717 CXD2545 ............................................................................... 71
3-2-3. Asymmetry Correction Circuit (including binary-value conversion):
3-2-2. Digital PLL: IC717 CXD2545 ............................................................................... 71
3-2-3. Asymmetry Correction Circuit (including binary-value conversion):
IC717 CXD2545 .................................................................................................... 72
4. SIGNAL PROCESSING BLOCK
................................................................... 73
4-1. General Description of Digital Signal Processing
.......................................... 73
4-2. Data Processor Block
.............................................................................................. 77
4-3. Decrypt Block
........................................................................................................... 77
4-4. Buffer Control Block
............................................................................................... 78
4-5. Video Decoder Block
.............................................................................................. 78
4-6. Letter Box Conversion Block
............................................................................... 79
4-7. Video Equalizer and Noise Reduction Blocks
................................................. 79
4-8. Subpicture Block
...................................................................................................... 79
4-9. NTSC/PAL Encoder Block
................................................................................... 80
4-10. OSD Block
............................................................................................................... 81
4-11. Audio Decoder Block
........................................................................................... 83
4-12. CD-ROM Decoder Block
.................................................................................... 83
4-13. Clock Generation Block
....................................................................................... 84
4-14. System Control Block
.......................................................................................... 84
4-15. Interface Control Block
........................................................................................ 84
4-16. MB-75 Board Signal Processing Block Diagram
........................................ 85
4-17. Audio Block Diagram
........................................................................................... 86
