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CXD3068Q
Contents
[1] CPU Interface
§ 1-1. CPU Interface Timing .................................................................................................................... 12
§ 1-2. CPU Interface Command Table .................................................................................................... 12
§ 1-3. CPU Command Presets ................................................................................................................ 23
§ 1-4. Description of SENS Signals ......................................................................................................... 30
[2] Subcode Interface
§ 2-1. P to W Subcode Readout .............................................................................................................. 58
§ 2-2. 80-bit Sub-Q Readout.................................................................................................................... 58
[3] Description of Modes
§ 3-1. CLV-N Mode .................................................................................................................................. 65
§ 3-2. CLV-W Mode ................................................................................................................................. 65
§ 3-3. CAV-W Mode................................................................................................................................. 65
§ 3-4. VCO-C mode ................................................................................................................................. 66
[4] Description of Other Functions
§ 4-1. Channel Clock Regeneration by Digital PLL Circuit ...................................................................... 69
§ 4-2. Frame Sync Protection .................................................................................................................. 71
§ 4-3. Error Correction ............................................................................................................................. 71
§ 4-4. DA Interface................................................................................................................................... 72
§ 4-5. Digital Out ...................................................................................................................................... 74
§ 4-6. Servo Auto Sequence.................................................................................................................... 75
§ 4-7. Digital CLV..................................................................................................................................... 83
§ 4-8. Playback Speed............................................................................................................................. 84
§ 4-9. Asymmetry Correction ................................................................................................................... 85
§ 4-10. CD TEXT Data Demodulation ....................................................................................................... 86
[5] Description of Servo Signal Processing System Functions and Commands
§ 5-1. General Description of Servo Signal Processing System.............................................................. 88
§ 5-2. Digital Servo Block Master Clock (MCK) ....................................................................................... 89
§ 5-3. DC Offset Cancel [AVRG Measurement and Compensation] ....................................................... 90
§ 5-4. E: F Balance Adjustment Function ................................................................................................ 91
§ 5-5. FCS Bias Adjustment Function...................................................................................................... 91
§ 5-6. AGCNTL Function ......................................................................................................................... 93
§ 5-7. FCS Servo and FCS Search ......................................................................................................... 95
§ 5-8. TRK and SLD Servo Control ......................................................................................................... 96
§ 5-9. MIRR and DFCT Signal Generation .............................................................................................. 97
§ 5-10. DFCT Countermeasure Circuit ...................................................................................................... 98
§ 5-11. Anti-Shock Circuit .......................................................................................................................... 98
§ 5-12. Brake Circuit .................................................................................................................................. 99
§ 5-13. COUT Signal ................................................................................................................................. 100
§ 5-14. Serial Readout Circuit.................................................................................................................... 100
§ 5-15. Writing to Coefficient RAM ............................................................................................................ 101
§ 5-16. PWM Output .................................................................................................................................. 101
§ 5-17. Servo Status Changes Produced by LOCK Signal........................................................................ 102
§ 5-18. Description of Commands and Data Sets ..................................................................................... 102
§ 5-19. List of Servo Filter Coefficients ...................................................................................................... 127
§ 5-20. Filter Composition.......................................................................................................................... 129
§ 5-21. TRACKING and FOCUS Frequency Response ............................................................................ 135
[6] Application Circuit .................................................................................................................................. 136
Explanation of abbreviations AVRG:
Average
AGCNTL:
Auto gain control
FCS:
Focus
TRK:
Tracking
SLD:
Sled
DFCT:
Defect
Summary of Contents for PV420S
Page 1: ...SERVICE MANUAL PV420S WWW BBK RU ...
Page 72: ... 69 CXD3068Q Block Diagram ...
Page 73: ... 70 CXD3068Q Pin Configuration ...
Page 122: ... 119 CXD3068Q Timing Chart 1 3 ...
Page 123: ... 120 CXD3068Q Timing Chart 1 4 ...
Page 124: ... 121 CXD3068Q Timing Chart 1 5 ...
Page 129: ... 126 CXD3068Q Timing Chart 2 1 ...
Page 130: ... 127 CXD3068Q Block Diagram 2 2 ...
Page 131: ... 128 CXD3068Q Timing Chart 2 3 ...
Page 134: ... 131 CXD3068Q Timing Chart 2 6 ...
Page 138: ... 135 CXD3068Q VCO C Mode Fig 3 3 Access Flow Chart Using VCO Control ...
Page 140: ... 137 CXD3068Q Block Diagram 4 1 ...
Page 143: ... 140 CXD3068Q Timing Chart 4 4 ...
Page 147: ... 144 CXD3068Q Fig 4 6 a Auto Focus Flow Chart Fig 4 6 b Auto Focus Timing Chart ...
Page 148: ... 145 CXD3068Q Fig 4 7 a 1 Track Jump Flow Chart Fig 4 7 b 1 Track Jump Timing Chart ...
Page 149: ... 146 CXD3068Q Fig 4 8 a 10 Track Jump Flow Chart Fig 4 8 b 10 Track Jump Timing Chart ...
Page 150: ... 147 CXD3068Q Fig 4 9 a 2N Track Jump Flow Chart Fig 4 9 b 2N Track Jump Timing Chart ...
Page 151: ... 148 CXD3068Q Fig 4 10 a Fine Search Flow Chart Fig 4 10 b Fine Search Timing Chart ...
Page 152: ... 149 CXD3068Q Fig 4 11 a M Track Move Flow Chart Fig 4 11 b M Track Move Timing Chart ...
Page 157: ... 154 CXD3068Q Fig 4 15 CD TEXT Data Timing Chart ...
Page 162: ... 159 CXD3068Q Fig 5 3a Fig 5 3b ...
Page 196: ... 193 CXD3068Q Description of Data Readout ...
Page 200: ... 197 CXD3068Q ...
Page 201: ... 198 CXD3068Q ...
Page 202: ... 199 CXD3068Q ...
Page 207: ... 204 CXD3068Q Package Outline Unit mm ...
Page 208: ...This data sheet has been made from recycled paper to help protect the environment 205 ...