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LG Electronics GSA-4168B DVD Player User Manual

1. Pin no Pin Name Pin no Pin Name 55 A2 109 DOUT 56 GPIO05 110 TESTO 57 VSSIO 111 TEST1 58 VCCIO 112 TEST2 59 HRSTB 113 TEST3 60 DATA7 114 TMS 61 DATA8 115 TCK 62 DATA6 116 TDI 63 DATA9 117 TDO 64 DATA5 118 TRST 65 DATA10 119 FEMCK 66 DATA4 120 SCLK 67 DATA11 121 SDATA 68 DATA3 122 RFDEN 69 DATA12 123 WDEN 70 DATA2 124 LDBUSY 71 DATA13 125 TCSHSPBLV 72 VDD 126 RFPDSH 73 VSS 127 WFPDSH 74 VSSIO 128 MPDSH 75 VCCIO 129 WBLSH 76 DATA1 130 VDD 77 DATA14 131 VSS 78 DATAO 132 VSSIO 79 DATA15 133 VCCIO 80 DREQ 134 WRGATE2 81 ZIOWB 135 WRSTOP 82 ZIORB 136 SRFL 83 IORDY 137 SRFH 84 DACKB 138 WRGATEB 85 HINTRQ 139 VCCA 86 10CS16B 140 DCLK 87 VSSIO 141 DCLKB 88 VCCIO 142 NRZIB 89 DA1 143 NRZI 90 PDIAGB 144 VSSA 91 DAO 145 VSS 92 DA2 146 VDD 93 CS1FXB 147 VSSIO 94 CS3FXB 148 VCCIO 95 DASPB 149 IP2MIRR 96 CPIO07 150 IP1LPPIN 97 CPIO06 151 RFHLD 98 ROUT 152 IDGATE 99 VCCA 153 LOWZB 100 LOUT 154 WOBSIG 101 ADIPVR1 155 LNDTRK 102 ADIPVRT 156 BLANK 103 ADIPINP 157 DEFECT 104 VSSA 158 VSSAA 105 VSSA 159 VDDAA 106 XCO 160 W2LPF2 107 XCI 161 W2LPF1 108 VCCA 162 W2LPFO Pin no Pin Name 163 W1LPF2 164 W1LPF1 165 W1LPFO 166 VCCA 1
2. Spindle FFC 22 Focus Servo Tracking Servo Fail 78 All Disc Setting FE R102 C405 MPU 8 DSP IC301 I TE R101 C101 Focus 34 35 Tracking 30 31 I PE R103 C406 I R329 C335 FOD 40 Slider FPC Slider 6 8 10 Driver 1C601 I R330 C336 TRD Detail Error Code Fail Analysis 1 Laser Power Initial Adjust No Error Code Contents of fail Fail Analysis Block Diagram SSB Byte8 9 1 28xx LP Adjust NG 1 Check Pickup FFC Connection No 01 Exchange 2 Check solder of IC101circumference low high byte Byte8 xxh Byte9 28h vill id 4 4C0x to 4C4x 5 4C5x to 4C7x 6 4C80 7 4CAx High Frequency Adjust NG NRZi Skew Adjust NG Data Slice Adjust NG EQ Boost Adjust NG RAW Slice Level Adjust NG EQ Auto Frequency Adjust NG pin 6 10 12 L150 L151 3 Check solder of 10102 4 Exchange Pickup LDD Front Monitor 5 Exchange IC101 AFE 6 Exchange IC301 MPU 8 DSP 1 Check Pickup FFC Connection No 02 2 Exchange Pickup LDD part 3 Exchange IC301 DSP 1 Check Pickup FFC Connection 2 Exchange Pickup LDD part 3 Exchange IC301 MPU 8 DSP No 02 1 Check solder of 1C101 circumference No 03 pin 79 L150 L151 2 Exchange IC101 AFE 3 Exchange IC301 MPU 8 DSP 1 Check solder of IC101circumference pin 79 L150 L151 2
3. gt eers VER 12 ES D C K i GND OEIC TEMP N Behind view DVD LD 1st Vendor Rd 82k Q DVD LD 2nd Vendor Rd 5 6kQ 44 2 Pick up Pin Assignment Signal Name Signal Description ETA ammo SSS v 1 Powersupply OEIC S ae Reference voltage input for DEJO A GAINSW I OEIC output gain control High Low gain Middle Middle gain Low High gain er O Single OEI opt FS O O OOOO O 8 o Single OIC oust D O Single OEIC output D Ep o Single OEIC opt ERA ens O SmdeOEloWpuEFi O O A 0 Single OEICouputA SSCS Oo pesi s Oo Oo s Ki ES lt 7 Single OEIC output C E2 F2 Single OEIC output EF2 Single OEIC RF positive differential output 1 4 Single OEIC RF negative differential output GND OEIC TEMP Ground for OEIC and TEMP TEMP Output voltage for controlling temperature Supply voltage for the output drivers only Serial control enable H enable L disable BUSY imi SCLK Serial control clock SDIO VO Serial data for parameters and control in out Write enable for NRZ laser data L write H read BUY O Goes high when seraltransier o tng menory sacie VSA5 3 Monitor output Ground connection for LD Driver IC NRZ laser data H mark L space LVDS Em o es GE Wars 1 CLOCK tor NAZ code input ND 1 CLOCK Tor NRZ code input OS 1 Supply voltage
4. 48x max ER UE 2 500 6 000 kB s 40x max CD DA DAE uuu u iiis 2 500 6 000 KB s 40x max 3 3 2 Burst transfer rate Ultra DMA Mode 2 33 3 Mbytes s max Multiword DMA Mode 2 16 6 Mbytes s max PIO Mode 4 16 6 Mbytes s max 3 4 Access time 1 3 stroke DVD ROM sees 145 ms Typ Nee DVD RAM Ver 2 2 165 ms Typ CD ROM ita EE et te 125ms Typ e Note 1 Average random access time is the typcal value of more than 50 times including latency and error correction time Test Disc DVD ALMEDIO TDV 520 TDR 820 CD ALMEDIO TCDR 701 HITACHI HCD 1 Typical value defines a measured value in normal temperature 20 deg C and horizontal position 3 5 Data error rate Measured with 5 retries maximum DVD R RW ROW RAV lt 10 DVDSEREERRW ettet tede test 107 CD RIDWIDOM nnn 10 Mode 1 10 Mode 2 Condition It is assumed that the worst case raw error rate of the disc is 10 3 6 Data buffer capacity 2 Mbytes Quality and Reliability 4 1 MTBF u aa 100 000 Power On Hours Consecutive Cumulative POH Assumption Used in a normall office environment at room temperature POH per year
5. 3 000 ON OFF cycles per year 600 Operating duty cycle 20 of power on time Seek 5 of operating time 4 2 Tray cycle test 30 000 times No degeneration in the mechanical part after test 4 3 Actuator mechanism 1 000 000 full stroke seek 4 4 MTTR Mean Time To Repair 0 5h 4 5 Component life 5 years or 2 000 h of Laser radiating time Assumption Used in a normall office environment POWER REQUIREMENTS 5 1 Source voltage 5V 5 tolerance less than 100 mVp p Ripple voltage 12V 10 tolerance less than 100 mVp p Ripple voltage 5 2 Current Idle Hold track state FOV DC 0 9A typ 1 0A max 12V DC 0 5A typ lt 1 0 A max Write Active 45V DC 1 3A typ lt 1 5A max 12 V DC 0 9A typ lt 1 5 A max Read Active HOV DG aaa 1 0A typ 1 5 A max 12V DC 0 9A typ lt 1 5 A max Seek Acess 5V DC 1 0A typ 1 5 A max 12V DC 1 2A typ 2 0A max 5 3 Standby Sleep mode No disc 1 1 W typ 1 3 W max AUDIO PERFORMANCE Output Level 1KHZ OB 0 7 Vrms typical
6. WRGATE2 AFE Write gate signal output WBLSH AFE Wobble signal sampling pulse MPDSH WFPDSH AFE Main beam sampling pulse Laser control sampling pulse Front monitor write erase block RFPDSH TCSHSPBLV Laser control sampling pulse Front monitor read block VFO1 track center signal sample 8 hold pulse SPBLVL running OPC sampling pulse Pit end WRGATEB Write gate signal SRFH SRFL l V amplifier gain switch HI side l V amplifier gain switch for binary l V amplifier gain switch Low side WRSTOP PU Write stop gate signal LNDTRK AFE PU Land groove switch NRZI NRZIB PU NRZI output after modulation normal phase NRZI output after modulation counter phase DCLK DCLKB PU NRZI sync clock counter phase NRZI sync clock normal phase ADIPVR1 External Cpmponents AD related pin for ADIP detection ADIPVRT ADIPINP Serial Communication Interface Pin List Pin Name Pin No destination External Components AD related pin for ADIP detection ADIP detect input pin Function LDBUSY LDD LDD serial IF busy also functions as the CPU general port 1 0 WDEN LDD LDD microcomputer UE transfer enable signal RFDEN AFE AFE microcomputer I F transfer enablesignal SDATA AFE LDD AFE LDD microcomputer I F transfer data signal 3Vsystem SCLK AFE LDD A
7. 8x write read only 8x write 8x write read only read only 6x write read only 6x write 6x write read only read only Bx write 5x write read only read only read only 5x write G A 468B GWA O 48x write Light Scribe 48x write O 48x write 48x write 48x write read only 32x write 32x write 32x write 32x write 32x write read only 16x write 16x write 16x write read only 16x write 16x write 6x write 4x write 6x write DVD R DL 4x write 6x write 4x write 6x write 4x write 6x write 4x write read onl read only DVD R 16x write read only 16x write 16x write read only read only DVD RW 8x write read only 8x write 8x write read only read only DVD R DL 6x write read only 6x write 6x write read only read only DVD RAM 5x write 5x write read only read only read only 5x write FEATURES 1 General 1 Enhanced IDE ATAPI interface 2 Internal Half height Drive 3 CD R RW DVD R R DL Dual Layer RW RAM R R DL Double Layer RW read and write compatible CD Family and DVD ROM read compatible 4 Buffer Under run prevention function embedded 5 2MB buffer memory 6 Power loading and power eject of a disc Bare media loading 7 MTBF 100 000 POH 8 Vertical and Horizontal installable 2 Supported disc formats 1 Reads data in each DVD ROM DVD R Ver 2 0 for Authoring and DVD RAM Ver 1 0 2 Reads and writ
8. Exchange IC101 AFE 3 Exchange IC301 MPU 8 DSP 1 Check solder of IC101circumference pin 79 L150 L151 2 Exchange IC101 AFE 3 Exchange IC301 MPU amp DSP 1 Check solder of IC101circumference pin 79 L150 L151 2 Exchange IC101 AFE 3 Exchange IC301 MPU amp DSP 79 2 Adjusting Error during Disc Load Sequence Lead in Error Error Code Contents of fail Fail Analysis Block Diagram SSB Byte21 22 Circuit Offset Adjust NG Check Pickup FFC Connection 5 Check solder of IC101circumference pin 1 2 3 pin 87 90 FE_Servo R102 C405 TE_Servo R101 C101 PE_Servo R103 C406 3 Exchange IC101 AFE 4 Exchange Pickup 5 Exchange IC301 MPU amp DSP Focus Amp Adjust NG 1 Check DVD Dual Disc DVD DL Only 2 Check Pickup FCC Connection 3 Check solder of IC101circumference pin 1 2 3 pin 87 90 FE Servo R102 C405 Check Slider FPC Connection Exchange IC101 AFE Exchange 1C601 Driver Exchange IC301 MPU amp DSP Focus Amp Adjust NG 1 Check Pickup FFC Connection Total Amp Adjust NG 2 Check solder of IC101circumference pintt1 2 3 pin 87 90 FE Servo R102 C405 PE Servo R103 C406 3 Exchange Pickup 4 Exchange IC101 AFE 5 Exchange IC301 MPU amp DSP Tracking Amp Adjust NG 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC101circumference pin 1 2 3 pin 87 90 TE Servo R101 C101 4 Exchange IC101 AFE 5 Exchange IC3
9. Inner Disc Inner Disc Outer Disc Outer Disc Test Zone Count Zone Test Zone Count Zone OUT PSN 23080H 27080H 27480H 28480H 2A480H 30000H 260540H 261940H 262940H 263940H 267940H gt Inner Disc Test Zone for performing OPC procedures Inner Disc Count Zone for counting the number of OPC algorithm performed in IDT Zone Outer Disc Test Zone for performing OPC procedures Outer Disc Count Zone for counting the mumger of OPC algorithm performed in IDT Zone 34 3 Layout of DVD RW disc Disc Center Diameter 120 mm Diameter 44 mm Diameter 33 mm Diameter 22 mm Diameter 16 mm Diameter 15 mm gt Center Clamping 3rd transtion l hole Zone area Information Zone 1st transition area Rim area GEET Unrecorded Disc Inner Disc Inner Disc 2 Outer Disc Outer Disc Test Zone Count Zone Test Zone Count Zone OUT PSN 2A480H 2A7C80H 2DC80H 30000H 260540H 262940H 265940H 266140H gt Inner Disc Test Zone for performing OPC procedures gt Inner Disc Count Zone for counting the number of OPC algorithm performed in IDT Zone gt Outer Disc Test Zone for performing OPC procedures gt Outer Disc Count Zone for counting the number of OPC algorithm performed in IDT Zone 35 LightScribe Media 1 LightScribe Media DiscOD Label Zone Center Hole Screen Printed Imaging Layer Clear Protective Coating Ref
10. LG Super Multi DVD Drive SERVICE MANUAL MODEL GSA 4165B GSA 4167B GSA 4168B TABLE OF CONTENTS INTRODUCTION ii is 3 FEATURES see 3 5 SPEGIFIGATIONS ee 6 9 LOGATION OF GUSTOMER CONTROLS siii as 10 11 DISASSEMBLY mee 12 13 1 CABINET and CIRCUIT BOARD DISASSEMBLY a 12 lt se E ANE CI EAE Ge ROER OE NE 12 1 2 Front Bezel SR RM ER N ene c RR KERE ER AE OR 12 1 3 Cabinetrand Vie einde AAR AE EA ON EE AE EER ER EE as 12 2 MECHANISM ASSY DISASSEMBLY ees ese ee se ee see ee ee ese ee gee ee ee ee ee aan aS ans ee 12 2 1 PICkUp ba fri E 12 222 PICKUP ME AE Eu EE ER pe 13 EXPLODED VIEW EE EE EE N N vede 14 15 MECHANICAL REPLACEMENT PARTS LIST see ene ee U U ee Ee eke ek Rae ek eek u AR Ke RR Re ek Rae ER Ee uu natas enn natns nn 16 18 GLOSSARY EE EE N N N ee 19 THE DIFFERENCES OF CD R CD RW DISCS AND GENERAL CD ROM eene ene ee seek u u uuu Rae nennen 20 26 1 Recording Lay RR ER EE Aid EE EE EE ER EE EE N 20 2 Disc Sel eie EE cone RE en eee a ER OE ER 20 3 Dise VLEI RE EM 21 4 Reading Process of Optical Disc ESE recte er ie tee EVA RA oe A Ha e E uu ee 22 5 Writing Process of CD R DISC EE N EE id a ert N N 23 6 Writing Process of CD RW DISC iiir t eu id 23 7 Organization of the PCA PMA and Lead in Area eene nennen nennen nennen nennen nen enne nnn 24 9 Function of PGA and PMA areae AR e eet Er e RR EN EO gba te etu e EE N 25
11. Mode 2 Form 2 2 352 bytes block CD DA 2 5 RPC Regional Playback Control Phase2 No Region DRIVE PERFORMANCE 3 1 Host interface X3T13 ATA ATAPI5 1321D INF 8090i Rev 5 3 3 2 Read Write 8 Rotational speed lt Write gt DVD Rita aaa haya nay leie deg 2x 4x CLV 8x ZCLV 16x PCAV DVD BEE 2x 4x CLV DVD RW IE 1x 2x 4x 6x CLV DVD RAM Ver 2 2 2x 3x ZCLV 3x 5x PCAV DM Dt Eeer ee E 2 4x 4x CLV 8x 12x 16x PCAV DUDAR DE an 2 4x 4x 6x CLV DVDERA EES GE GEREG Ee EE Re Ee Ge ee Dee bes 2 4x 4x CLV 8x ZCLV CD ls 4x 8x 16x CLV 24x 32x 40x 48x ZCLV E RE EE 4x 10x 16x CLV 24x 32x ZCLV High Speed 10x Ultra Speed 16x 24x 32x lt Read gt DVD ROM eene Single layer 6 7x 16x CAV Approx 9 420 r min seede au ha da utad Dual layer 5 0x 12x CAV Approx 7 770 r min DVD R DL ee 8 5GB 3 3X 8x CAV Approx 5 180r min DVD Video CSS sss 3 3X 8x CAV Approx 5 180 r min DVDER u aka Sus ee 4 7GB 4 2x 10x CAV Approx 5 890 r min DVD RW eee 4 7 GB 3 3x 8x CAV Approx 4 720 r min DVD RAM Ver 1 0 2 2 2x 2x 3x ZCLV 3x 5x PCAV DVD R EE 4 7 GB 4 2x 10x CAV Approx 5 890 r min DVD
12. VM2 05 Motor power supply 2 Slide CN101 P U LDD Vso5V 29 IC101 AFE R2835002 VCC1 08 Power 5 0V VCC2 78 Power 5 0V IC102 LM258 D VCC 08 ON SEMIconductor OP amp Poly SW miniSMDC150F 24 CN101 P U OEIC Vcc 44 amp FM Vec 11 Raychem 8714 OPEN Tr Q631 CN101 P U Vsa5 Vcc 15 Light Scribe Encoder Module Vcc 5V Torex Regurator 10703 XCM403AA03SR 8708 OPEN 2 5 2 8 Lal 8709 OPEN 8715 OPEN Torex Regurator 16701 XCM403AA02SR 8706 OPEN 8707 OPEN ir CN101 P U LDD Vsl2 8 Vcc 16 L305 Front PWB Led Control Vec 5V IC601 DRV 5VCC 32 VM3 26 IC101 AFE R2535002 VDD1 69 Power VDD2 91 Power VDD3 11 Power VDDA 59 Power VDD5 22 Power SRVREF 82 Power 1C301 DSP R8J32007 VCCA 186 3 3V VCCA 166 3 3V 10301 DSP R8J32007 Audio VCCA 99 3 3V 10302 Flash Memory Fujitsu Mcronics IC301 DSP R8J32007 58 VCCIO DSP VO 475 VCCIO DSP VO 88 VCCIO DSP VO 108 VCCA Analog 133 VCCIO DSP VO 139 VCCA Analog 148 VCCIO DSP VO 185 VCCA Analog 200 VCCIO DSP VO 53 VCCR SDRAM 52 VCCIO DSP VO 32 VCCIO DSP VO 26 VCCRQ SDRAM 1 0 08 VCCRQ SDRAM 1 0 07 VCCIO DSP VO 02 VCCR SDRAM 85 86 Audio Output Q901 Tr UMC5N Q902 Tr UMG4N 1C301 DSP R8J32007 028 VCC Core Power 041 VDD
13. 00 00 00 24 8 Function of PCA and PMA area 1 PCA Power Calibration Area PCA area is used to determine the correct Laser Power for a disc Method 1 PCA area is divided by a track Method 2 The previous Calibration value is referred Method 3 ROPC is used to determine Laser Power value automatically in data writing CD R Disc can write maximum 99 Tracks but CD RW Disc can write unlimited tracks because it has a rewritable function 2 PMA Program Memory Area e It has a track information track No track Start End time of every track before writing completed PMA area has the last written point and the next writable point of a disc In case of CD to CD copy some writer may not write PMA area When Disc is Finalized PMA information is transferred to the Lead_In area so that general Driver can read it Because PCA and PMA area exist before Lead In area General CD Player or CD ROM Drive can t read these areas 9 OPC and ROPC 1 OPC Optimum Power Control This is the first step of writing process because CD writer has its own laser power value and media have different writing characteristics This is determined by the Writing characteristic speed temperature and humidity Laser wavelength is determined by the environmental temperature 775 795nm and Optical Laser Power is determined by the test and retry Asymmetry and optimum writing Power EFM signal Asymmetr
14. 25 24 23 21 20 19 18 17 67 LSI TEST Control Pin List Pin Name destination Function MRSTB RESET IC Master reset input TESTB2 TESTB1 Test select TMS E10emulator Test data switch for E10emulator TCK E10emulator E10emulator Test clock for E10 emulator It can function as a SCI serial clock output port when E10 emulator is not used multiplexed Test data input for E10 emulator It can function as a SCI serial data input port when E10 emulator is not used multiplexed E10emulator Test data output for E10 emulator It can function as a SCI serial data output port when E10 emulator is not used multiplexed E10emulator Test reset for E10 emulator Non mask CPU interrupt port falling edge sense T SEL 3 0 TESTO User test CPU general port2 Test monitor can be set as the following table by a register TEST1 TEST2 TESTS 0 Servo monitor 0 WPLL monitor 0 Servo monitor 1 WPLL monitor 1 Servo monitor 2 WPLL monitor 2 Servo monitor 3 WPLL monitor 3 Audio 0 Audio 1 Audio 2 Audio 3 DVD modulation 0 DVD modulation 1 DVD modulation 2 DVD modulation 0 4 DVD R CD R DVD R CD R DVD R CD R DVD R CD R monitor O monitor1 monitor 2 monitor 3 DVD RW monitor 0 DVD RW monitor1 DVD RW monitor 2 DVD RW monitor 3 PI C1 PI C1 PI C1 PI C1 PO C2 PO C2 PO C2 PO C2 BLEN
15. 9 OPG Tue Mee 25 10 Wiriting Piocessof DISG ii EE eerte Dio edi u a u net 26 THE DIFFERENCES OF DVD R RW DVD R RW DISCS AND DVD ROM nsnvranvvnnnvnnnnnnnnvnnnvnnnnvnnnnnnnnnnnnnnnenvnnnnnnenennner 27 35 leed ie AE ia N ai da 27 2 Disc Specification ee EE EE et E OES EE la 28 3 Dise LE LL N ER EE EE EE 28 4 Writing Pulse Waveform of DNDAR AAA 31 5 Writing Pulse Waveform DVD RW AA 33 6 Organization of Inner Drive Area Outer Drive Area Lead in Zone and Lead out Zone 34 LightScribe de EE EE AE NE HE IE EE EE EE 36 39 1 HghtsScribe Media 5 EE AE ee S vedi ee lides me 36 2 Hardware Block Diagram of LightScribe Label Printing nennen nennen 37 3 MD Assy For Be El 38 4 Optical Encoder GER EE a aa E 39 DVD amp CD DATA PROGESSING 3 notet ee See Gee eege boe ee iii 40 43 1 Data Processing Ri EE A0 2 Copy Protection and Regional Code Management Block 41 3 About Prevention the DVD ROM from to be copy 42 4 Aboutithe DVD ROM Regional Coded nsdir ceret dd die dd u sad ented 43 INTERNAL STRUCTURE OF THE PICK UP eege UU U UU T sd ee decada 44 46 1 Block Diagram of the Pick up HOP 7632TS ENEE 44 2 As Ups PINVASSIQHIMON AE ER ER EE ER EEN EE RR tease 45 3 Signal detection oft kl PU ER EE aa 46 DESCRIPTION OF CIRCUIT ics ee ect uu Ee ai 47 53 er UE 47 2 FOCUS ere EE 49 3 Tracking SAO ER RR RE RE RE RE OE EA IB EM 50 4 Spibdle
16. Core Power 072 VDD Core Power 130 VDD Core Power 146 VDD Core Power L301 1C301 DSP R8J32007 189 VDDAA Analog Power 193 VDDAA Analog Power 31197 VDDAA Analog Power 1C301 DSP R8J32007 159 VDDAA Analog Power PCB Poor Analysis Check list Signal Signal Level mesurement point IC pin or Device Power supply Line 12V 12V CN801 41 Line 5V DV CN801 44 IC 701 reg 1 5V 1 5V IC701 2 reg 2 8V 2 8V IC703 5 IC703 reg 3 3V 3 3V IC703 2 Flash ROM VDD 3 3V 3 3V 37 IC302 CS Active Low 26 XRD read CK 28 DSP VDD 1 5V 1 5V 41 28 72 130 146 159 189 193 197 IC301 VCC D 3 3V 3 3V 7 32 52 58 75 88 133 148 200 199 2 53 185 139 108 8 26 VCC A 3 3V 3 3V 186 166 99 Clock 34MHz 33 8688MHz 106 107 MRSTB 3 3V High 202 AFE VCC 5 0V 5 0V 8 78 IC101 VDD 3 3V 3 3V 22 11 91 59 69 82 OP amp VCC 5 0V 5 0V 8 1C102 7ch DRV 5VCC BV DV 32 IC601 VM3 5V 5V 26 VM1 2 12V REF 1 65V 42 Pick up VCC FM 5 0V 11 VCC OEIC 5 0V 44 VC OEIC 2 1V 43 VREF 2 5V 9 VSL25 2 8V 16 VSA5 5 0V 15 VSO 5 0V 29 When there are twe or more power supply pins of LSI it checks by one ramdom pin first 87 HW Self Diagnostic function 1 Self Diagnostic Function by LED Blink e Basic operation At JR6 MPU is included in DSP MPU accesses each peripheral i
17. G 46 DESCRIPTION OF CIRCUIT 1 ALPC Automatic Laser Power Control Circuit 1 1 Block Diagram CNI0I Optical Pick up 252628 O IC101 R2S35002 APCDAC S H IC301 R8J32007 REPDSH 120 GE 120 121 123 TCPH R106 73 BCNT oos D HE a B H SCLK SDATA WDEN E a 47 1 2 ALPC Automatic Laser Power Control Circuit ALPC function DVD CD anlaog front end IC IC101 R2S35002 is for constant power control purpose Based on the accurate power sensor FMON in P U ALPC feedback loop maintains constant power level against laser diode s temperature variation The ALPC loop amplifies 10x the FMON signal to enhance the accuracy of read power level control Swithching of amplification is made by combination of a logical WGATE signal and a logical RWAPC signal There are two set of APCDAC which are used at different term to monitor different power level Generally the one is used at reading and the other one is used at writing The logical WGATE signal which is switched between reading and writing changes the two APCDAC The ALPC loop supplies same currency IAPC to Laser Diode Driver LDD during reading and writing There is another ALPC which controls Full Scale DAC FsDAC FsDAC determines scale of WDAC of Laser Diode Driver MPU monitors write power level of FMON signal and changes FsDAC directly to maintain constant write power level There are two write powe
18. LI Sample B level Write Power K Reflected recording pulse Leve Pwo decided by OPC Recording Power 10 Writing Process of DISC Write Strategy Determination PMA Area Ce PCA Test Area Lead In Area O y PCA Count Area Lead out Area Recording Capacity of CD R RW 74Minute Recording media 2048 Byte Sector X 75 Sector Second X 60 Second Minute X 74 Minute 681 984 000 Bytes 682 Mbytes ROPC Butthe actual recording capacity is about 650 Mbytes according to the ISO 9660 standard approximately 30 Mbytes are used to make directory structure and volume names 26 The differences of DVD R RW DVD R RW discs and DVD ROM 1 Recording Layer DVD ROM Read Only Disc DVD R RW Disc 2 Disc Specification DVD ROM Single Layer Dual Layer Read Only Read Only Phase change 8 DVD R DVD R DVD RW Wobble Frequency 140KHz 140KHz 817 4KHz 817 4KHz vico Power mw 1 j Track pitch 0 74 um 0 74 um 0 74 um 0 74 um 0 74 um 0 74 um Channel bit rate 26 16MHz 26 16MHz 26 16MHz 26 16MHz 26 16MHz 26 16MHz 3 Disc Materials 1 DVD ROM lt Single Layer gt mm gend Label Polycarbonate PX aa ae Porno ayer Reflective layer 4 A Polycarbonate lt Dual Layer gt Polycarbonate d Reflective layer Bonding layer Semi reflective Polycarbonate 28 2 Recording
19. MPU 8 DSP IC301 Pintt79 Pin 21 04 Circuit Offset Adjust Setting FE R102 C405 MWA 2 05 Focus Amp Adjust for DVD Dual DVD Dual Disc Focus 34 35 Slider FPC Slider 6 8 10 Setting FE R102 C405 MPU 8 DSP ANS IC301 I R329 835 40 Driver W _ gt T 73 06 Focus Amp and Total Amp Adjust MPU 8 DSP 1C301 07 Tracking Amp Adjust MPU 8 DSP 1C301 08 Servo Loop Gain Adjust All Disc MPU 8 DSP 1C301 All Disc Setting Focus 34 35 All Disc Setting Slider FPC Slider 6 8 10 Setting Focus 34 35 Tracking 30 31 Slider FPC Slider 6 8 10 74 09 Unwritten Slice Level Adjust for DVD RAM DVD RAM Disc Setting MPU amp DSP IC301 SIGM R148 C151 Slider FPC Slider 6 8 10 10 Focus Offset Adjust for DVD ROM CD R RW DVD ROM Disc Pin Setting AFE 87 90 80 81 MPU amp DSP IC101 ERG IC301 FE R102 0405 AA o 2 E Slider FPC Driver Slider 6 8 10 IC601 11 Focus Offset Adjust for DVD RAM PID Amp DVD RAM Disc Pin Setting AFE 87 90 80 81 MPU amp DSP IC101 IC301 SIGM R148 C151 lt _ W 44100 I Slider FPC Driver Slider 6 8 10 IC601 12 Focus Offset Adjust for DVD RAM Data Error pulse DVD RAM Disc Pin 87 90 80 81 Dri Slider FPC river Slider 6 8 10 IC601 Setting MPU amp DSP IC301 C341 343
20. SDRAM IP2MIRR 2 PO ECU Pam DRAM DRAS 16Mbit Interface DCAS LOWZB SEA Demodulate IDGATE SEH RFHLD j DCKE NRZLNRZIB DCLK DCLKB SE XCI menm p Generator xco Modulator SRFH FEMCK SRFL ag MRSTB pester Ee zu TESTB 1 2 EE AN DRAM SCLK EE SE SDATA EE RFDEN TCSHSPBLV WDE LDBUSY TLD LDD LED SPD SFG CPRDB gt ucsoB Xd em Gap T GproosucsiB Keung CPRDB ATZC gt gt Scan BLANK UCS3B A 20 1 EG ni HS GPIO04 A 0 SM ADC S tv MSEQ A 2 gt CPUI15 0 S GPIO06 CSEL SE lt gt GPIO07 HEATRUN INTOB TE INTIB H8S 2 ICUING EJECTSW TESA INT2B gt ADC ICUIN7 ACTFLG INT3B CPU TV ICUINS LOADIN Raa Hee FOD lt TRST NMD DAVC DAC K TRD DD TCK SCK TDISCI BCA S TVDP BAG TDo sco TVDN TMS TCPH TIBH BCENT Auth FAD0 VRDC2N ADC GADI 61 1 3 Pin Table Pin no 1 N IG O1 0 IN 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Pin Name VSSR VCCR CPU14 CPU13 CPU12 VSSIO VCCIO VCCRQ CPU11 CPU10 VSSRQ CPU9 CPU8 CPRDB USCOB Al CPUO CPU1 CPU2 CPU3 CPU4 VSSRQ CPU5 CPU6 CPU7 VCCRQ VSS VDD A16 A15 VSSIO VCCIO A14 A13 A12 A11 A10 A9 A20 CPWRB VDD VSS Aig A18 A8 A7 A6 A5 A4 A3 VSSIO VCCIO VCCR VSSR
21. abnormal The spindle controller PWM output signal SPD R8J32007 211pin input to SPIN in Drive IC R2S30202FP 1 pin after Low Pass Filtering The PWM output signal U V W signal R2S30202FP 12 13 14pin drives Spindle Motor without using a sensor 54 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION IC101 R2S35002 RF AMP Analog Signal Processor Pin Assignment AGHPF1 AGHPF2 IREFE EQFCF SUBO LPPMON SUBI LPPSIG VDD1 3 3V EQON EQOP GND1 TOPH BOTH MIRRTOPH MIRRBOTH MIRRHPF BHC VDD4 3 3V MRSTB SDEN SDATA SCLK PORT13 PORT12 PORT11 PORT10 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 AGFU 76 50 MCLK AGFR 77 49 PORTO7 6V VCC1 78 48 PORTO6 SUMF SUMF2 79 47 PORTOS RFIP 80 46 PORTO4 RFIN 81 45 PORT03 SRVREF 82 44 PORT02 FVREFO 83 43 PORTO1 IREFT 84 42 PORT00 b j R2 S 3 5 0 0 2 nos HAVC 86 40 DFT SA 87 39 IP1 LPPOUT SB 88 O Dp V E W 38 IP2 MIRR sc 89 3
22. cannot be discovered can be considered in viewing of PCB Moreover partial breakage although a clock is oscillated somewhere in insides do not operate of DSP can be considered gt When not improving above the possibility that a PCB pattern is faulty is high and judges repair to be difficult 89 3 Motor Abnormalities in Actuator System The drive circuit of a motor amp actuator consists of the three ICs IC601 R2S30202FP The work of each IC is as follows 1 1C601 R2S30202FP 7ch driver Spindle motor driver 180 audio drive Type an analog input a PWM drive a Vm 12V Stepping motor driver X2 analog input a PWM drive differential a Vm 12V Loading motor driver Input Output PWM drive Vm 5V Focus actuator driver analog input output differential a Vm 5V Tracking actuator driver analog input output differential Vm 5V Tilt actuator driver analog input output differential Vm 5V motor amp actuator and its correspondence pin SignalCH SPDL MT STEP MT Load MT Focus ACT Track ACT Tilt ACT Input 1 SPIN 2 SL1IN 41 LOIN 40 FOIN 39 TOIN 38 TLIN 3 SL2IN Reference 42 REF 1 65V Output EN1 20 EN2 21 off off on off 90 BLOCK DIAGRAM Flash ROM 2MByte OPU HOP 7632TS pa s m HITACHI ME C Disc Loading Interface motor connector A Analog Front End DVD CD DSP PU R2535002 DVD CD Servo ATAPI Analog 100pin TQTF R8J32007FP audio 256pin LQFP RENESAS RENES
23. format using organic dye material DVD R DVD R The format that records data through the creation of recorded marks by changing the organic dye material with a laser beam gt Disc structure DVD R DVD R Adhesive layer Protective layer Reflective layer Recording layer dye Disc substrate Adhesive layer Protective layer Reflective layer Recording layer dye Disc substrate gt Disc structure Recording Recording is done by changing the organic dye layer and the substrate with a laser when a strong is applied to a disc the temperature of the ortanic dye material goes up the dye is decomposed and the substrate changes at the same time At this time a durable bit is created as is the case with a CD ROM Playback Signals are read with the differences of the reflection of a laser from pits Adhesive layer Protective layer Reflective layer Dye layer Laser beam 29 3 Recording format using phase change recording material DVD RW DVD RW Data is recorded by changing the recording layer from the amorphous status to the crystalline status and played back by reading the difference of the reflection coefficient Amorphous Non crystalline gt Disc structure Adhesive layer Protective layer Reflective layer Dielectric layer Recording layer Phase change material Dielectric layer Disc substrate Adhesive layer Protective layer Reflective layer Dielectric layer Recording
24. input sampled at 176 4 kHz FOD Focus control signal TRD Tracking control signal TVDP TVDN Sled drive signal normal phase Sled drive signal counter phase DAVC Servo system Vcc 2 voltage output pin 64 ATAPI Interface Pin List Pin Name destination Function HRSTB ATAPI ATAPI IF control signal host reset signal DA2 ATAPI IF register address signal DA1 DAO DATA 15 0 79 77 71 ATAPI IF data bus 69 67 65 63 61 60 62 64 66 68 70 76 78 DREQ 80 ATAPI IF DMA request signal ZIOWB 81 ATAPI IF write strobe pulse ZIORB 82 ATAPI IF read strobe pulse IORDY 83 ATAPI IF control signal drive Ready DACKB 84 ATAPI IF DMA acknowledge HINTRQ 85 ATAPI IF drive interrupt signal 10CS16B 86 ATAPI IF control signal 16 bit transfer PDIAGB 90 ATAPI IF control signal CS1FXB 93 ATAPI IF register chip select signal CS3FXB 94 DASPB 95 ATAPI IF control signal 65 Encoder Interface Pin List Pin Name destination Function IP1LPPIN AFE PID area identification signal LPP input signal IP2MIRR AFE PID area identification signal MIRR signal WOBSIG AFE Wobble signal input LOWZB AFE Input impedance switch control signal SPDSH running OPC sampling pulse Pit top IDGATE AFE ID data switch signal RFHLD AFE VFO3 holding signal and track center signal sample amp hold signal
25. layer Phase change material Dielectric layer Disc substrate gt Recording principles Recording When a high power laser is applied to the recording material it melts and then becomes amorphous with a low reflection coefficient when it quickly cools off When a mid power laser is applied to heat gradually the recording material and then gradually cools it off it becomes crystal with a high reflection coefficient Playback A low power laser is used for playback The amount of reflected light depends on the status amorphous or crystalline of the recording material This is detected by an optical sensor Y Em A j EE GEE ees AA emt o0 NEED GNE Substrate Laser beam Crystalline status Amorphous status Recording data Melting Quick cooling Erasing data Heating Gradual cooling Data erased state Recorded state High reflection coefficient Low reflection coefficient 30 4 Writing Pulse Wave Form of DVD R For different speed ranges different write strategies can be used This document specifies 2 options a pulsed write strategy where each single mark is created by a number of subsequent separated short pulses ablocked write strategy where each single mark is created by one continuous pulse 1 1 Method Using Pulsed Write Strategy 3T O N 3 only the top pulse Tiop first pulse lead time dT top dTie NRZI Channel bits first
26. secondary step of authentication is completed As above the identification is completed The dirve and MPEG 2 board generate the Bus key with the key 1 and key 2 and own it Dirve encodes the disc key and title key with this Bus key and transfers to the MPEG 2 board The MPEG 2 board reads the encoded disc key and title key with the Bus key only MPEG 2 board lets data read from the drive to decode with the read disc key and title key and makes into the video signal by decoding 42 4 About the DVD ROM Regional Code Regional code code of 8 bit Example The disc manufactured in the U S A has the number one 43 ROM DRIVE Transfer to MPEG 2 board reading the regional code MPEG 2 BOARD VGA CARD If the board is setting to the regional code 1 for the U S A Check the received regional code to number 1 all or not transfer the data to VGA card in accordance with only a case among the three case MONITOR Receiving data from the MPEG 2 board and output through the monitor INTERNAL STRUCTURE OF THE PICK UP 1 Block Diagram of the PICK UP HOP 7632TS e Tilt Se Tilt IC2 FM E 3 TR TR E AF GND FM G8 FM 67 VREF 66 SEL 85 VCC FM G4 ENA 63 IAPC 62 SLG 61 VSA5 80 VSL25 29 CLK 28 CLKB 27 GND LDD 26 NRZB 5 NRZ 24 GND LDD 23 MONITOR 22 RWB 21 SDIO 20 SCLK 19 BUSY
27. 0 7 mW Recording Power 8x 14 20mW 16x 25 35mW When some part of dye layer is exposed to laser heat it s color changs black Therefore writing and reading is enabled by the difference of reflectivity between changed part and unchanged part Polycarbonate layer has Pre_Groove which make a Track Phtalocyanine Gold Silver Yellow White Gold Silver Dark Green Bright Green Gold Silver Dark Blue Label Printing Protective Layer Reflective Layer Organic Dye Layer Substrate Polycarbonate Laser Beam Groove 21 3 CD RW Disc D D Label Printing Protective Layer Dielectric Layer TL Recording Layer Dielectric Layer UL Substrate Polycarbonate 4 Reading process of Optical Disc Focusing Numerical aperture NA nsino Lens a n Refractive index Focus depth H MNA laser spot diameter D MNA Laser Spot at Constant Read Intensity Previously Recorded Marks om em Groove Land Mirror Reflected Light Signal AS I5 kop Laser Spot Position Time It is composed of polycarbonate layer alloy silver arsenic layer aluminum reflectivity layer protective layer An crystalized alloy layer is transformed into noncrystalized by the laser heat Therefore writing and reading is enabled by the difference of reflectivity It is possible to overwrite about 1000 times Laser Wavelength 780 nm Laser Power Read 1 0mW Recording Power Erase 4 18mW Write 6 45
28. 01 MPU 8 DSP Servo Loop Gain Adjust NG 47XA Disc Unmatch Exchange Disc 1 Check Pickup FFC Connection 2 Exchange Pickup Signal Noisy 3 Check solder of IC101circumference pin 1 2 3 pin 87 90 FE_Servo R102 C405 TE_Servo R101 C101 4 Exchange IC101 AFE 5 Exchange IC301 MPU amp DSP Unwritten Slice Level Adjust NG 4906 RAM Disc NG Exchange Disc RAM Only 1 Check solder of IC101circumference pintt1 2 3 pin 87 90 2 Exchange IC101 AFE 3 Exchange IC301 MPU amp DSP 80 Error Code SSB Byte21 22 Contents of fail Fail Analysis Block Diagram 4Axx Focus Offset Adjust NG DVD ROM CD R RW Focus Offset Adjust NG RAM Only for PID Focus Offset Adjust NG RAM Only for Data Tilt Adjust NG RAM Only Tilt Adjust NG DVD R RW Data Slice Adjust NG RAM Only Focus Deviation Adjust NG Home Position Adjust NG DVD SL Only Focus Offset Adjust NG DVD R RW R RW 4A08 Disc Unmatch Exchange Disc 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Exchange IC301 MPU amp DSP No 10 1 RAM Disc NG Exchange RAM Disc 2 Exchange Pickup 3 Exchange IC101 AFE 4 Exchange IC301 MPU amp DSP 4A88 RAM Disc NG Exchange RAM Disc 1 Exchange Pickup 2 Exchange IC101 AFE 3 Exchange IC301 MPU amp DSP 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC101circumference pin 6 7 R106 C106 R107 C10
29. 3 o VODA Veso 8 DEFECT vssio e SE al e LNDTRK eon o WOBSIG cru o NORSK ES IDGATE vssrQ e ID GATE CPU IP1LP PIN God o IP2MIRR cPRDB o OM ucsoB o ER A o vss CPUO O VDD CPU1 o ne CPU2 o E crus S NRZIB CPU4 o GE VSSRO e Bore CPU5 O DOLK ops o WRGATEB CPU7 o WRG vccra e pae ES WRSTOP ell o WRGATE2 as 6 VCCIO Sole VSSIO vssio e vss vccio e vae ais lo WBLSH S MPDSH kli WFPDSH aro ll 8 RFPDSH aa P TCSHSPBLV 20 8 LDB USY A20 O poet CPWRB O Feo Vs s SDATA la SCLK A 8 FEMCK o TRST az 8 TDO a7 O d As O T milo TMS sa TEST3 o IS TEST2 vssio e SE vccio e TESTI VCCR e TEST VSSR e E oS588388 58 ere S 2858 9 de eco O ooee O o lt lt lt lt eso Bo eee eee eee eo eee eee ea Oe eo OC eB ARR ES ESSE EES BIOS OBO OE SE SE SERS SORE LE 500525200 x SEET 9 5 gt gt IODOOOOKOKOSOS gt 0508 N ora Ce 09200 222 60 1 2 Block Diagram LOUT AUDIO ROUT gt pour 7 DREQ VINP Data Bam ADC PLL DACKE MEN 2 DASPB Descramble gt CS3FXB REXT SJ csirxs PTEST 2 0 2 PDIAGB po De DAI wiLPF 2 0 lt DVD ATAPE EE BG WPLL CD DSP Scramble IOCS16B W2LPF 2 0 HINTRQ IORDY ZIORB Wobble LPP ME ZIOWB po DVD m PI ECU DATA 15 0 ZCS EET 2 ADIP RDIISO ADIPV Detector RA 12 10 0 ADIPINP gt RAMCE IPILPPIN DD DVD DWE
30. 6 62 9 14 22 16 Mbytes s 12x ZCLV 16x PCAV DVD R DL 3 32 5 54 8 31 Mbytes s u sau ana a usq kuu yupo 2 4x 4x 6x CLV DVD RW 3 32 5 54 8 31 11 08 Mbytes s 2 4x 4x CLV 8x ZCAV ER utsett 600 1 200 2 400 2 400 3 600 2 400 4 800 2 400 6 000 2 400 7 200 kB s Mode 1 A ridad 4x 8x 16x CLV 24x 32x 40x 48x ZCLV CD RW 600 1500 2 400 2 400 3 600 2 400 4 800 kB s Mode 1 bed Lai meee de 4x 10x 16x CLV 24x 32x ZCLV Read DVD ROM Single layer 9 28 22 16 Mbytes s 16x max H Dual layer 6 86 16 62 Mbytes s 12x max DVD R WEE 5 73 13 85 Mbytes s AA 10x max DVD R DE iere eth 4 58 11 08 MbDyl es 8 a ua Ee ee 8x max DVD UE 4 58 11 08 Mbytes s 8x max DVD RAM Ver 1 0 2 41 MONOS Sii deett 2x ZCLV RE LE Ver 2 2 2 77 4 155 4 155 6 93 Mbytes s 2x 3x ZCLV 3 5x PCAV DVDER RE EE IE nee IE 5 73 13 85 Mpbytes s uuu u se ke u ee Re ee neka 10x max DVDbR DL u a IE EE 4 58 11 08 MDyteS S coincida lies 8x max DVDRW AA 4 58 11 08 Mbytes S 8x max CD R ROM eee 3 000 7 200 kB s
31. 67 VSSA 168 VSSA 169 FE 170 PE 171 SIGM 172 ATZC 173 TE 174 LPSA 175 TCPH 176 TIBH 177 BCENT 178 GADO 179 GAD1 180 FOD 181 TRD 182 TVDP 183 TVDN 184 DAVC 185 VCCA 186 VCCA 187 VSSA 188 VINN 189 VDDAA 190 VINP 191 VSSA 192 PTEST1 193 VDDAA 194 REXT 195 VSSA 196 PTEST2 197 VDDAA 198 PTEST3 199 VCC 200 VCCIO 201 VSSIO 202 MRSTB 203 TESTB2 204 TESTB1 205 ICUIN7 206 ICUING 207 ICUIN8 208 GPIO04 209 LED 210 LDD 211 SPD 212 TLD 213 SFG 214 EFG 215 A17 216 CPU15 62 1 4 Pin Functions It corresponds to the following signs as a pin UO specification Al Analog Input IOU Standard Input Output with Pull Up AO Analog Output 51 5V Tolerant Input AIO Analog Input Output BO 5V Tolerant Output Standard Input 5TO 5V Tolerant Three State Output lU Standard Input with Pull Up BIO 5V Tolerant Input Output O Standard Output PW Power Supply Pin TO Standard Three State Output GND Earth Pin lO Standard Input Output Data PLL PRML Pin List Pin Name Pin No destination Function VINP 190 AFE RF signal normal phase input pin VINN 188 RF signal counter phase input pin REXT 194 External Resistance Resistor connect pin for reference current generation PTEST1 192 External Resistance PRML Data PLL moniter D A output pin PTEST2 196 PRML Data PLL moniter D A output pin PTEST3 198 Data PLL VCO control voltage monitor pin Whpll Pin List Pin Name destination Func
32. 7 4 Exchange IC101 AFE 5 Exchange IC301 MPU 8 DSP Check Pickup FFC Connection Exchange Pickup Check solder of IC601 circumference Check solder of IC301 circumference Exchange IC301 1 2 3 4 Exchange IC601 5 6 7 Exchange Slider Motor 1 Exchange Pickup 2 Exchange IC101 AFE 3 Exchange IC301 MPU amp DSP 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC301circumference 4 Exchange IC301 MPU amp DSP 1 Check FFC Connection 2 Check Slider FPC Connection 3 Exchange Slider Motor 4 Check solder of IC101circumference 5 Exchange IC101 AFE 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC101circumference pin 1 2 3 pin 87 90 TE Servo R101 C101 4 Exchange IC101 AFE 81 No Error Code Contents of fail Fail Analysis Block Diagram SSB Byte21 22 16 DPP Amp Adjust NG CD Disc Only Focus Level Adjust NG iG a Lens Shift Tilt Adjust NG CD Disc Only 57xx 58xx Spindle Offset Adjust NG 82 Lens Sensitivity Adjust NG HFPE Amp Gain Adjust NG 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC101circumference pin 1 2 3 pin 87 90 TE_Servo R101 C101 4 Exchange IC101 AFE 5 Exchange IC301 MPU amp DSP Check Pickup FFC Connection Exchange Pickup Check solder of IC601 circumference Check solder of IC301 circumference 1 2 3 4 Exchang
33. 7 WOBSIG SD 90 36 BLANK 3 3V VDD2 91 35 LO_ZB SPDSH MA 92 34 IDGATE MB 93 33 RFHLD TISH1 MC 94 32 WGATE MD 95 31 WBLSH GND2 96 30 MPDSH SPDSH AIN1 97 29 WFPDSH AIN2 98 28 RFPDSH AIN3 99 27 SPBLVL TISH2 SIGM 100 26 LNDTRK 1 2 3 4 58 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Ww LI W W E W H N L a e E z z z 1 e an N e u wo oO lo u 5 A tr HD E 8 8 E z 8 38 S 8 9222 22 6 B o Z o Z ES Z z B O z E gt o Z 3 3 5 2 o 9 m E LI S S a c z gt o u m 6 a gt 8 a D AE p E e lt m Z a N o a D A EQOS RRF WRF LPPMON ATEST 55 Block Diagram 3300p Lo Z function by IDGATE L 3300p 0 1u ok gt VREF1 fast mode T 3 3us 3300P 0 068u JE baru 2 4700p Lo Z function by IDGATE e B H T T T m HI Ar L3 s aj per LU LL Nel 1238 Ble E 5 le oa S ER GIS E t mk 30 Slax 2 ul to MIRR DEFECT SUBP N RF EQOP V Kei AG ws Fe EGON AGC EQ auto I gt EQOS ATEST LPPMON EQOS RRF WRF ID I k ou 15 000p DET SUBW LPP m melk A VREF1 J 0 47u SH lx VvReFi to A D D 0 1u HPF fc 1kHz S H ER 0 1U 0 12U 0 12U LNDTRK AGE BALANCE el S H D to LPF A D Ni to LE MPP SPP N FE FE BALANCE 2517 tOLPF A D ick up I F gt PE pick up LJ toLPF A D reference level M
34. AS DVD codec Host IDE CD codec 7ch Driver LPP ADIP decorder R2530202FP Servo DSP SPDL SLED Fo Tr Ti LD ATAPI IF RENESAS Microprocessor Tray Detect sw Device 3 3V 2 8V Reg IC 3 3V H xCM403AA03SR 12V 2 8V TOREX GND RST EN 1 5V 2 8V 1 5V Reg IC XCM403AA02SR TOREX RST 91
35. CITCUIL ec ite EI ER EE IE EE GR meet 53 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION cernerent nennen nnn 55 72 TROUBLESHOOTING GUIDE ua Si ee ei ai 73 90 BLOCK DIAGRAM eR 91 PRINTED CIRCUIT BOARD DIAGRAM iese eek ee geed 92 96 ELECTRICAL REPLACEMENT PARTS LIST ME u De GR Ee ee ee ii 97 CAUTION INVISIBLE LASER RADIATION WHEN OPEN AVOID EXPOSURE TO BEAM INTRODUCTION This service manual provides a variety of service information It contains the mechanical structure of the Super Multi DVD Drive and the electronic circuits in schematic form This Super Multi DVD Drive was manufactured and assembled under our strict quality control standards and meets or exceeds industry specifications and standards This Super Multi DVD drive is an internal drive unit designed for use with IBM PC HP Vectra or compatible computer lt can write as much as 700 Mbytes of digital data into CD R RW disc and can read as much as 700 Mbytes of digital data stored in a CD ROM R RW disc 1 Support feature and writable disc It can write as much as 4 7Gbytes of digital data into DVD R RW RAM R RW disc and can read as much as 4 7Gbytes of digital data stored in a DVD ROM R RW RAM R RW disc It can write as much as 8 5Gbytes of digital data into DVD R DL DVD R DL disc and can read as much as 8 5Gbytes of digital data stored in a DVD ROM DL R DL R DL disc This Super Multi DVD Drive can easily meet the u
36. D BLEND BLEND BLEND PRML monitor 0 PRML monitor 1 PRML monitor 2 PRML monitor 3 Data PLL monitor 0 RAMCON monitor 0 Data PLL monitor 1 RAMCON monitor 1 Data PLL monitor 2 RAMCOM monitor 2 Data PLL monitor 3 RAMCON monitor 3 MIF monitor 0 MIF monitor 1 MIF monitor 2 MIF monitor 3 T SEL can be set for each of pins TEST3 TEST2 TEST1 and TESTO respectively WOBREF monitor 0 WOBREF monitor 1 WOBREF monitor 2 WOBREF monitor 3 68 Power Supply GND Pin List 28 41 72 130 146 2 53 Function DSP core power supply 1 5V SDRAM power supply 3 3V 8 26 SDRAM VO power supply 3 3V 159 189 193 197 1 5V system analog power supply 1 5V WPLL1 2 1 5V system analog power supply 1 5V PRML A D Data PLL 99 108 139 166 185 186 199 Analog power supply 3 3V AUDIO ADIP Analog power supply 3 3V PLL multiplication 3 3V LVDS Analog power supply 3 3V WPLL1 2 Analog power supply Analog power supply 3 3V Servo A D D A Analog power supply 3 3V PRML A D Data PLL Digital power supply 3 3V PRML A D Data PLL 7 32 52 58 75 88 133 148 200 DSP VO power supply 3 3V 27 42 73 131 145 1 54 DSP core GND SDRAM GND 11 22 SDRAM VO GND 104 105 144 167 168 187 191 195 Analog GND AUDIO ADIP Analog GND PLL multiplication Analog GND LVDS Analog GND WPLL1 2 Analog G
37. D A Conversion in R8J32006FP the output signal FOD R8J32007 180pin is input to Drive IC R2S30202FP 40pin The drive output signal FACT FACT generated according FOIN R2S30202FP 40pin and drives focus actuator in the P U unit 49 3 Tracking amp Sled Circuit 3 1 1 Block Diagram Tracking Following IC101 R2535002 TE R101 Disc Optical Motor unit Pick up HOP 7632TS C101 Tracking 77 GND def fen Mee TE TACT TACT IC301 A R8J32007 A B B SLED MOTOR Unit CN601 TOIN R330 ms TRD C336 R372 B 1 d 20 lt ctu 1 05V O7 1 65V EN2 21 lt cn2 SLIIN R331 2 lt Jas SL2IN Be R373 d R332 lt SLI C338 R374 50 3 1 2 Block Diagram Seek IC101 R2535002 Disc Optical Motor unit Pick up A B C D HOP 7632TS L des TACT TACT VREF1 SLED MOTOR Unit RFIN 81 gt R8J32007 Track Counter TE and Timer IP2MIRR MIRR DD 49 Short Seek Algorithm Tracking Compensator Loog Seek Algorithm Compensator 51 3 2 1 Tracking Servo The aim of tracking servo is to make laser beam trace the data track on disc Tracking Error TE Signal is generated from tracking error detected block in R2535002 using DPP Differential Push Pull Method and DPD Differential Phase Detection Method DPP Method uses not only main beam A B C D but also side beam EF1 EF4 for correcting DC offset generated in Push Pull Method The remai
38. FE LDD microcomputer I F transfer clock signal 66 Audio Interface Pin List Pin Name destination Function DOUT ATAPI Digital output pin also functions as the CPU general port 1 2 Audio Lch amp Rch output Clock Generator Pin List Pin Name destination Function FEMCK AFE Front End LSI clock XCO Xtal Crystal oscillation 33 8688MHz XCI X tal Crystal oscillation 33 8688MHz H8S Micro Processor Pin List CPU Pin Name Pin No destination Function ICUIN7 ACTFLG 205 DRVR CPU interrupt port INT7 Pick up protect flag ICUING EJECTSW 206 Eject Switch CPU interrupt port INT6 EJECTSW interrupt request ICUIN8 LOADIN 207 Load Switch CPU general port1 1 also connected to the CPU interrupt port INT8 Loader in sensor GPIOO7 HEATRUN 96 ATAPI CPU general port 0 7 Off heat run test input GPIO06 CSEL CPU general port 0 6 ATAPI CSEL GPIO04 A0 CPU general port 0 4 also functions as H8S AO GPIO05 UCS1B CPU general port 0 5 also functions as H8S CS1 Flash SRAM Pin List Pin Name Pin No destination Function UCSOB 15 Flash H8S CS0 CPWRB 40 Flash SRAM H8S WRB CPRDB 14 Flash SRAM H8S RDB A 20 1 39 43 44 Flash SRAM H8S A 20 1 215 29 30 33 34 35 36 37 38 45 46 47 48 49 50 55 16 CPU 15 1 216 3 4 Flash SRAM H8S D 15 0 5 9 10 CPUIO can also function as the CPU general port 0 4 multiplexed 12 13
39. Frequency Response eene 3dB 20 to 20 000Hz Signal to Noise Hato narrar 80 dB min with IHF A and LPF 20 kHz THD GKEIz OdB endene 0 1096 max with LPF 20 kHz Channel separation 10kHz 65 dB min Gonditl nh kum iiec rat et e eL ein p pen t ED Load inpedance 10 kohms Acoustic noise Less than 50dB A scale at 0 5 m away from the drive Note 1 Disc Less than imbalance 0 3 x 10 Nm 2 Installation Horizontal 3 Ambient temperature Normal temperature 4 Except loading unloading and seek Dimensions External dimensions W x H xD 146 x 41 3 x 165mm without Bezel Front bezel WxHxD 148 x 42 x 5 mm Mass ee ee ee ee ee aiis Approx 0 77 0 03 kg Which is not provided with Circuit Diagram of this model Please Contact the friendly staff of LG Service Care at Website http www LGEservice com LOCATION OF CUSTOMER CONTROLS Emergency Eject Hole 1 Disc tray This is the tray for the disc Place the disc on the ejected disc tray then lightly push the tray or push the eject button and the CD will be loaded NOTE Don t pull out or push in the disc tray forcibly This might cause damage to the loading section of the drive Stop Eject button This button is pressed to open the CD tray This button works only when power is supplied to the drive Disc Tray Stop Eject Button Drive Activity Indicators 3 Emergency Eject Hole Insert a paper clip here to eject the Disc
40. ND Servo A D D A Analog GND PRML A D Data PLL 158 6 31 51 57 74 87 132 147 201 69 1 5V system analog GND WPLL1 2 DSP UO GND Connected SDRAM I O GND through 6 31pin IC601 R2530202FP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER Pin Layout Pin Function REF LOIN FOIN TOIN TLIN TL FO FO GND TL SPIN SL1IN SL2IN SPLIM VM2 SL2 GND SL2 SL1 SL1 Package outline Function 5VCC TO TO GND U V W ACTFLG COMMON No GND LO LO VM3 ACTRST STTH SPGS VM1 R2S3 0202FP TEST SLLIM FG EN1 EN2 42 PIN POWER SSOP 42P9R K 1 SPIN Spindle control voltage input Slide control voltage input1 REF Reference voltage input Loading control input Slide control voltage input2 Focus control voltage input Input terminal for spindle current limit Tracking control voltage input Motor Power Supply 2 for Slide Tilt control voltage input Slide non inverted output2 Tilt inverted output GND Slide inverted output2 Tilt non inverted output Focus inverted output Slide non inverted output Focus non inverted output Slide inverted outptut1 GND GND 5V Power Supply for FS TS TL Motor drive output U Tracking non inverted output Motor drive output V Motor drive output W Tracking inverted output GND Pickup protect flag output Loading inverted outptut Loading non inverted outpu
41. PP SHPE RRF WBLSH HFSUM Ze SPP FE EN DE E LE LO_ZB SPDSH E L toLPF A D pin SUMF2 WRF MCLK Loa SRVREF power 3 3V 20K 1 SJ VHALH VDD 2 BLANK JE AM VREF1 2 1V MIRRTOPH di E FVREFO 2 5V MIRRBOTH m mE T o 3 u EQOP N MIRR MIRRHPE E S 3m DEFECT otu 7ro 0sau i i TOPH ER 0 068u Power Programm BOTH 0 033u Cont able VO DFT Lo port RFHLD TISH1 pin p Ie LORTOO 07 10 13 12 SPBLVL TISH2 pil WGATE SPBLVL DLJ WGATE LO ZB SPDSH REPDSH APC R OPC PHBETA TCE of voan ol or San FVREF PWWMON BOENT x Gage m BHOUT RFHLD TISH1 pin SC dru 3 zls ZT z each blocks AIN1 3 a o t LI 8 88 8lela o wt ae on ar SIGM ze 5 gt 8 a on 58 498 224 45 843 toLPF A D 3 2 E amp gt 65 69 J oS 6 S 2 hul kt jel gt ja kt E ET In the case of JE JE su T T TITE Ll Combined pin 4 2 1 Resistor analog APC 2 2 2 2 Z S Ob digital pin gt a ii a 2 ee EI p a digital analog pin a o Q o 88 eo power 3 3V VDD power 5V 56 e Pin Functions pin Name pin No Type max voltage Function TE Analog Output Tracking error output terminal FE Analog Output Focus error output terimnal PE Analog Output PE output terminal LE Analog Output Lens error output terminal BCENT Analog Output OPC center signal output terminal PHBETA TCE Analog Output OPC top hold le
42. R DL 8 5GB 3 3x 8x CAV Approx 5 180 r min DVDERWE ES dek ee 4 7GB 3 3x 8x CAV Approx 4 720 r min CD R ROM CD I Video 1 2m s 20x 48x CAV Approx 9 540 r min IER UE 1 2m s 16 7x 40x CAV Approx 8 100 r min CD DA DAE 1 2m s 16 7x 40x CAV Approx 8 100 r min CD DA Audio out 1 2m s 4 0x 10x CAV Approx 2 030 r min Rotational speed CLV ZCLV DVD R RW ROM R RW 1x Approx 1 390 Inside 580 r min Outside DNVD DRAM eene Ver 1 0 1x Approx 2 390 Inside 1 010 r min Outside Ver 2 2 2x Approx 3 250 Inside 1 380 r min Outside CD R RW ROM eene 1x Approx 500 Inside 210 r min Outside 3 3 Data transfer rate 3 3 1 Sustained transfer rate Write DVD R 2 77 5 54 5 44 11 08 Mbytes s 2x 4xCLV 8x ZCLV 9 14 22 16 Mbytes S A 16x PCAV DVD R DL Sat Mbytes S u EE EE ale WA ela ale 2x 4x CLV DVD RW 1 385 2 77 5 54 8 31 Mbytes s 1x 2x 4x 6x CLV DVD RAM Ver 2 2 2 77 4 15 4 15 6 925 Mbytes s w o Verify 2x 3x ZCLV 3 5x PCAV DVD R 3 32 5 54 8 31 11 08 Mbytes s 2 4x 4x CLV 8x ZCLV 8 31 1
43. RW discs and General CD ROM 1 Recording Layer Recordable CD has a wobbled pre groove on the surface of disc for laser beam to follow track Track pitch CD ROM READ ONLY DISC A Se em o pr o o o ap o o o mm o o om S o om o om o wm e s The Groove wobble 2 Disc Specification Standard Yellow Book Book Orange Book II Book II Orange Book III Book III Tracking Signal 11 1 ltop gt 0 6 gt 0 6 0 55 gt Mii 0 70 HF EE ReadLaserPower mW Laser Power mW lt lt 05mw 5 mW lt mer 7 mW lt 1 lt tomw mW write Laser Power mW 14 65 mW 6 45 mW 20 3 Disc Materials 1 CD ROM disc It is composed of Silver _ colored aluminum plate and Reflective layer Groove Pit of aluminum plate make a track Laser wavelength 780 nm Laser Power Read 0 5mW Signal is detected by the difference of reflective beam intensity between pit and Land on the disc Label Printing Protective Layer Reflective Layer Substrate Polycarbonate Pit Laser Beam 2 CD R disc It is so called WORM Write Once Read Many CD It is composed of polycarbonate layer Organic dye layer Reflective layer and Protective layer Gold Silver Reflective layer is used to enhance the reflectivity According to the kinds of Organic dye layer H is divided by Green CD Gold CD Blue CD Laser Wavelength 780 nm Laser Power read
44. ant 75 13 Tilt Adjust for DVD RAM MPU amp DSP IC301 14 Tilt Adjust for DVD R RW DVD R RW CD R RW Pin MPU amp DSP IC301 87 90 80 81 181 DVD RAM Disc Setting Slider FPC Slider 6 8 10 DVD R RW Disc Setting TE R101 C101 TILT 36 37 Tracking 30 31 TRD R330 C336 Slider FPC Slider 6 8 10 15 Focus Deviation Adjust DVD R RW Disc Pin 87 90 80 81 Setting FE R102 C405 MPU amp DSP IC301 R329 C335 40 16 Focus Offset Adjust for DVD R RW DVD R RW CD R RW DVD R RW Disc MPU 8 DSP IC301 181 TRD R330 C336 Pin Setting 87 90 80 81 TE R101 C101 Slider FPC Slider 6 8 10 39 76 17 Lens Sensitivity Adjust ZN L MPU amp DSP 178 Temp Information Fro IC301 putemp ZN C 18 Spindle Offset Adjust na 211 Pin 12 14 IC301 SPD R349 C349 RES 213 EG 19 19 ADIP BPF Read Timing Adjust for DVD R RW Ping DVD R Disc 87 90 80 81 Setting WobSIG 154 Slider FPC Slider 6 8 10 20 Focus Offset Adjust for DVD R RW DVD R RW DID Setting MPU amp DSP c344 343 1C301 p DVD R RW Disc Pin 87 90 80 81 Slider FPC Slider 6 8 10 Driver IC601 77 21 RTZ TimeOut Fail AFE io Slider FPC Slider Driver Slider t6 8 10 Spindle IC601 43
45. circumference 4 Exchange IC101 5 Check solder of IC701circumference 6 Exchange IC301 MPU amp DSP 7 Exchange Slider Motor 83 3 Loading Sequence Error Lead in Error Error Code Contents of fail SSB Byte21 22 Fail Analysis Block Diagram l I 2101 2102 Tracking Fail I 2000 2010 Spindle Fail 2503 2504 RTZ Timeout Sled Timeout 3 o 2 4 84 1 Check Slider FPC Connection 2 Check solder of IC601 circumference pin 2 3 6 8 10 3 Exchange IC601 4 Exchange Slider Motor 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC601circumference 4 Exchange IC601 Driver 5 Check solder of IC101circumference pin 1 2 3pin 87 90 FE_Servo R102 C405 6 Exchange IC101 AFE Check Pickup FFC Connection Exchange Pickup Check solder of IC601circumference Exchange IC601 Driver Check solder of IC101circumference pin 1 2 3 pin 87 90 TE Servo R101 C101 6 Exchange IC101 AFE 1 Check Spindle FFC Connection 2 Check solder of IC601circumference pin 12 14 Exchange IC601 Driver Exchange Spindle Motor Check solder of IC301circumference 3 4 5 6 Exchange IC301 MPU amp DSP JR6 Power Supply System Diagram J Poly SW miniSMDC150F 24 Raychei 705 OPEN 704 OPEN L601 Ver1 0 It created based on the PLT circuit diagram DRV IC601 R2530202FP VM1 22 Motor power supply 1 Spindle
46. d stored in a disc through the unknown algorithms with a disc key and title key At this time the disc key and title key are stored in a disc As above the disc is able to copy when the disc key and title key are opened Then ROM DRIVE encodes the disc key and title key and transfers to MPEG 2 board If you want to play the disc prevented from the copy First of all ROM DRIVE and MPEG 2 board identify with each other through the procedure as described below OO O JO Q ROM DRIVE Challenge key encoded disc key title key Drive and host gives and takes the ID of 2bit This ID is AGID Authentication Grant ID The various decoder boards are attached to the host in these AGID sets the MPEG 2 board and drive After the AGID is set MPEG 2 board generates the challenge key 10 Byte and transfers to drive The board and drive generate key 1 5Byte with the challenge key respectively Of course the Algorithm generating the key 1 is not known Compare with the generated key 1 if it corresponds each other the first step of authentication is completed This is a course to identify the MPEG 2 board with a drive The second step of authentication is a course to identify a drive with the MPEG 2 board The dirve generates a challenge key and transfers it to the MPEG 2 board The dirve and MPEG 2 board generate the key 2 5Byte with the challenge key compare with each other and if it corresponds and the
47. e DVD ROM 4 7GB Single Layer 8 5GB Dual Layer DVD R DL 8 5GB DVD R 4 7GB Ver 2 0 for Authoring read only 4 7GB Ver 2 0 for General read amp write DVD RW 4 7GB Ver 1 2 DVD RAM 2 6GB side Ver 1 0 1 46GB side 4 7GB side Ver 2 2 DVD R 4 7GB DVD R DL 8 5GB DVD RW 4 7GB CP CD ROM Mode 1 data disc CD ROM Mode 2 data disc CD ROM XA CD I Photo CD Multi Session Video CD CD Audio Disc Mixed mode CD ROM disc data and audio CD Extra CD Text CD R Conforming to Orange Book Part2 read amp write CD RW Conforming to Orange Book Part3 read amp write 2 2 Writing method 1 DVD R RW Disc at Once Incremental Recording Restricted Overwrite DVD RW only 2 DVD R DL Disc at Once Incremental Recording Layer jump Recording 3 DVD RAM RW Random Write 4 DVD R Sequential Recording 5 DVD R DL Sequential Recording 6 CD R RW Disc at Once DAO Session at Once SAO Track at Once TAO Packet Write 2 3 Disc diameter 120mm 80mm Horizontal only 2 4 Data capacity e User Data Block DVD ROM R RW RAM R RW 2 048 bytes block CD Yellow Book 2 048 bytes block Mode 1 amp Mode 2 Form 1 2 336 bytes block Mode 2 2 328 bytes block
48. e IC601 5 6 Exchange IC301 7 Excahange Slider Motor 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC101circumference pintt1 2 3 pin 87 90 PE Servo R103 C406 4 Exchange IC101 AFE 5 Exchange IC301 MPU amp DSP 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC101circumference pin 6 7 R106 C106 R107 C107 4 Exchange IC101 AFE 5 Exchange IC301 MPU amp DSP 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC301circumference 4 Exchange IC301 MPU amp DSP 1 Check Spindle FFC Connection 2 Check solder of IC601circumference pin t12 14 3 Exchange 1C601 Driver 4 Exchange Spindle Motor 5 Check solder of IC301circumference 6 Exchange IC301 MPU 8 DSP No Error Code Contents of fail Fail Analysis Block Diagram SSB Byte21 22 22 5Axx ADIP read timing Adjust NG 5A01 Check DVD R Disc Exchange Disc No 19 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Exchange IC101 AFE 4 Exchange IC301 MPU amp DSP 5 Exchange 1C601 Driver 23 5Cxx Signal Amp Error 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Check solder of IC101circumference pin 1 2 3 pin 87 90 PE_Servo R103 C406 4 Exchange IC101 AFE 5 Exchange IC301 MPU amp DSP Focus Offset Adjust NG 1 Check Pickup FFC Connection No 20 DVD R RW R RW in Data 2 Exchange Pickup 3 Check solder of IC101
49. ernal capacitor required Terminal to connect envelope bottom hold capacitor TOPH GND1 External capacitor required Ground Terminal to connect envelope top hold capacitor Ground connected terminal EQOP EQON VDD1 Differential Output Power RF equalizer differential output terminal Power supply connected terminal 3 3V SUBI LPPSIG Analog Input ID detecting HPF input terminal LPP detecting HPF input terminal 58 pin Name pin No Type max voltage Function SUBO LPPMON 71 Analog Output ID detecting HPF output terminal LPP detecting HPF output terminal EQFCF IREFE 72 73 External capacitor required External resistor required Terminal to connect RF equalizer fc auto adjustment external capacitor Terminal to connect RF equalizer fc setting external resistor AGHPF2 AGHPF1 74 75 External capacitor required Terminal to connect AGG high pass filter capacitor AGFU AGFR VCC1 76 77 78 External capacitor required External capacitor required Power AGC filter connecting terminal Power supply connected terminal 5V SUMF SUMF2 RFIP RFIN 79 80 81 Analog Input External capacitor required Differential Input SUM RF input SUM differential amp DC filter connected terminal RF differential input terminal SRVREF FVREFO 82 83 Analog Input Analog Output DSP supply voltage 3 3V input terminal 2 5V reference b
50. ernal power supply a power supply cable and Regulator IC are exchanged gt Since a problem is in a load side when not improving even if it exchanges the above and attached sheet JR6 power supply system figure is made reference and poor portions such as a short circuit of a power supply part are found out and fixed 3 Is the clock of MPU in DSP oscillated correctly Checked the ceramic oscillation element s X301 both ends and DSP 106 107 33 87MHz oscillating gt When 3 3V power supply is correctly supplied to DSP and the clock is not oscillating correctly it is the defect of MPU or an oscillation element defect and part exchange is performed in order of DSP and X301 4 The defect of Flash ROM Although the clock of DSP is oscillating correctly and the power supply circuit is also outputting normal voltage when LED does not blink at all at the time of a power supply injection and Eject SW does not react either poor Flash ROM is the most doubtful gt Flash ROM IC302 are exchanged Note Before Flash ROM exchange the CS signals of the external device of MPU in DSP connection an Address signal and a Data signal are observed on a waveform level and since the but most amount of work and the special knowledge which can raise the discovery accuracy of a poor part are necessities recommendation is impossible 5 Even if it performs the above mentioned repair when not improving the disconnection and the short circuit which
51. es in each DVD R Ver 2 0 for General DVD R DL Dual Layer DVD RW DVD RAM Ver 2 2 DVD R DVD R DL Double Layer and DVD RW 3 Reads data in each CD ROM CD ROM XA CD I Video CD CD Extra and CD Text 4 Reads data in Photo CD Single and Multi session 5 Reads standard CD DA 6 Support to read Super Audio CD Compatible layer in Hybrid type 7 Reads and writes CD R discs conforming to Orange Book Part 2 8 Reads and writes CD RW discs conforming to Orange Book Part 3 9 Reads DVD RAM with CPRM and DVD RW with CPRM 3 Supported write method 1 DVD R Disc at Once and Incremental Recording 2 DVD R DL Disc at Once incremental Recording and Layer jump recording 3 DVD RW Disc at Once Incremental Recording and Restricted Overwrite 4 DVD RAM Random Write 5 DVD R Sequential Recording 6 DVD R DL Sequential Recording 7 DVD RW Random Write 8 CD R RW Disc at Once Session at Once Track at Once and Packet Write 4 Performance 1 Average access time DVD ROM 1 3 stroke CD ROM 2 Write speed DVD R DVD R DL DVD RW DVD RAM DVD R DVD R DL DVD RW CD R CD RW 3 Read speed DVD R RW ROM ROM Dual layer DVD R DL DVD RAM Ver 1 0 2 2 DVD Video CSS Compliant Disc DVD R RW DVD R DL CD R RW ROM CD DA DAE 80mm CD 4 Sustained Transfer rate DVD ROM CD ROM 5 Burst Transfer rate 6 Mu
52. f 54 64 um W Continuous Wave The laser light output is at a constant level DOW Direct Over Write The action in which new information is recored over previously recorded information in CD RW disc Overwrite The action in which new information is recorded over previously recorded information Pre Groove The guidance track in which clocking and time code information is stored by means of an FM modulated wobble Land Land is characterized in the following way When radial signals are concerned land is defined as the area between the grooves When HF signal are concerned land is defined as the area between the marks pits in tangential direction Hybrid Disc A Multisession disc of which the first Session is mastered On a hybrid disc recorded and mastered information may co exist Mastered Information stored as pits on the disc during the manufacturing process of the disc Information when making the master OPC Optimum Power Control Procedure is determined optimum recording power according to CD R RW Media in recording start step ROPC Running OPC The purpose is to continuously adjust the writing power to the optimum power that is required When the optimum power may change because of changed conditions of disc and change in operating temperature Jitter The 16 value of the time variation between leading and trailing edges of a specific I3 111 pit or land as measured by Time Interval Analysis Deviation The diffe
53. for 25 logie 1 Supply voltage CS SE Jj Land groove input serects the power register set H land L groove APG Alowinpedanoe current input 1004APC frowto the geput BENA Fast chip enable input vecom RE o ai De BUEN a KE IS BS 3 VCC Power supply for FM Low selects DVDFMOUT High selects CDFMOUT VREF Tracking Actuator drive signal Tracking Actuator drive signal Tilting Actuator drive signal Tilting Actuator drive signal m A s m me 2 R 5 6 7 8 9 0 1 2 4 5 6 7 8 9 0 1 2 4 5 6 7 8 F 9 0 1 A 2 F 1 F 1 I 1 1 O 1 EN 1 2 2 2 B 2 2 LDD 2 2 2 LDD 2 2 LK 3 3 3 LG 3 3 A 3 FM 3 EL 3 3 M 3 FM 4 F 4 F 4 R 4 R 3 Signal detection of the P U Pick Up module Photo Diode Tracking 1 Focus Error Signal gt A C B D This signal is generated in RF IC IC101 R2S35002 and controls the pick up s up and down to focus on Disc 2 Tracking Error Signal DPP Method gt A D B C k x EF1 EFa EF2 EF3 This signal is generated in RF IC IC101 R2S35002 and controls the pick up s left and right shift to find to track on Disc 3 RF Signal gt A B C D This signal is converted to DATA signal in DSP IC IC301 R8J32007 Track Center EE DC A B H G k F H E G Offset A D B C TE A D B C k F H E
54. ias voltage output terminal IREFT VREF1 84 85 External resistor required Analog Output Terminal to connect reference current setting external resistor 2 1V reference bias voltage output terminal HAVC 86 Analog Input Pickup reference voltage input terminal SA SB SC SD 87 88 89 90 91 Analog Input Analog Input Analog Input Analog Input Power Sub beam 4D input terminal Power supply connected terminal 3 3V MA MB MC MD 92 93 94 95 Analog Input Analog Input Analog Input Analog Input Main beam 4D input terminal 59 96 97 98 99 Ground Analog Input Analog Input Analog Input Analog Output Ground connected terminal Analog input terminal Analog signal monitoring output terminal IC301 R8J32007FPV Encoder Decoder amp DSP Singal Processor 1 1 Pin Layout PTEST3 216 O CPU15 204 O TESTB1 203 O TESTB2 202 O MRSTB 201 0 VSSIO 200 e VCCIO 197 ell VDDAA PTEST2 195 O VSSA 194 gt REXT 193 O VDDAA PTEST1 191 ell VSSA 190 p VINP FOD 179 P Gap 178p GADO 177 gt BCENT 176 p TIBH 199 e VCC 189 ell VDDAA 188 p VINN 187 e vssA 186 ell VCCA 185 0 VCCA 184 DAVC 183 p TVDN 182 gt TVDP 181 gt TRD 175p TCPH 168 e VSSA 167 O VSSA 166 ell VCCA 165 p WiLPFO 164 p W1LPF1 163 p WiLPF2 W2LPFO ven e W2LPF1 suis l o W2LPF2 cPU14 O WEE CPU1
55. lective Thermal Layer Dye Data Layer Polycarbonate Substrate 36 2 Hardware Block Diagram of LightScribe Label Printing Jopoou3 94 endo jeondo V o o sjeubls OAH3S IeuBIS JONUON JOMOJ JOSE jeubis unao Bojeuy 10SS390 1d sjeubls 1199 dy LN044 S dsa Ad jonuo BaJens SUM dn jeondo JOUU9IN oouoJoJou JEMOd Jose ng lt U T Jojenjoy sn5oj sno04 AMM JOVENIOY ULL GL eg and Jojenijoy MORI GEI 1emod lt ion 1010IN deis pels lt T D WSINVHOAIN JOJO elpuids ejpuids 37 3 MD Assy For LightScribe Optical Encoder Unit 21um OPU ID Movement Range L 38 4 Optical Encoder Assy 39 Codewheel m c gt Do id Direction of radial play Encoder PCB Optical Encoder IC 0925 0 60 PIN I CHB PIN2 GND PIN 3 VLED CODEWHEEL OR CODESTRIP SIGNAL PROCESSING CIRCUITRY DVD amp CD DATA PROCESSING 1 Data Processing Flow lt snie1s ejeq pueuuo9 JO4JUOD a398 8 U1 Idely J9 01JUO9 SSD J9 01JU09 JOUI3 A JSLNG OVO Olpny u01 991109 10119 OHIO Joyeinpowap NAJ SSI Jepooeg Jepoou3 041U09 ajpulds AYO jndino 0 11U09 pels jndino 041U09 6un9en sn9oJg DOV
56. ltimedia MPC 3 compliant 5 Audio 1 16 bit digital data output through ATA interface 2 Software Volume Control 3 Equipped with audio line output for audio CD playback Definition Transfer Rate 1x DVD 1 385 Mbytes s Mbytes s 10 bytes s Capacity MB 2 bytes 145 ms 125 ms 2x 4x CLV 8x ZCLV 16x PCAV 2x 4x CLV 1x 2x 4x 6x CLV 2x 3x ZCLV Ver 2 2 3x 5x PCAV Ver 2 2 2 4x 4x CLV 8x ZCLV 12x 16x PCAV 2 4x 4x 6x CLV 2 4x 4x CLV 8x ZCLV 4x 8x 16x CLV 24x 32x 40x 48x ZCLV 4x 10x 16x CLV 24x 32x ZCLV High Speed 10x Ultra Speed 16x 24x 32x 10x 8x 16x 12x max 8x max 2x 2x 3x ZCLV 3x 5x PCAV 8x max Single Dual layer 10x 8x max 8x max 48x 40x 48x max 40x max 16x max 22 16 Mbytes s 16x max 7 200 kB s 48x max Ultra DMA Mode2 Multi word DMA Mode2 PIO Mode 4 1x CD 150 kB s kB s 2 bytes s kB 2 bytes 2 SPECIFICATIONS SYSTEM REQUIREMENTS CPU IBM Compatible Pentium 4 2 4GHz or faster For High speed 2 4GHz or faster recommended 128MB Memory or greater SUPPORTING OPERATING SYSTEM Operating System Windows Millennium Edition Me Window 2000 Professional Window XP Home Edition Professional 2 1 Applicable disc formats Recording tool 1 Nero Ahead 2 In CD Ahead 3 Power Producer Gold Cyber Link DVD kanin d
57. mW When disc rewriting new data is overwritten previously recorded data Polycarbonate layer has a Pre Groove which make a track 22 5 Writing Process of CD R Disc Incident Write Laser Power Laser Spot abcdef g Position Time O Laser gt b Spot Ce Below ORP Mark Too Short C SE At Optimum Record Power ORP Light Signal Above ORP Mark Too Long lt gt e f Recorded g Mark e gt amm Reflected Light Signal Laser Spot abcdef g Position Time 6 Writing process of CD RW Disc Crystal phase Amorphous Write Power 4 Melting i i quenching Erase Power Heating Read Power gradual cooling Erased state Recorded state i i i i higher reflectivity lower reflectivity Groove Crystal Amorphous 23 7 Organization of the PCA PMA and Lead in Area 1 Layout of CD ROM disc Disc Center Diameter 120 mm Diameter 46 mm Diameter 15 mm gt Center hole Clamping and Label Area Information Area Read Only Disc AE EEN 2 Layout of CD R RW disc Disc Center Diameter 120 mm Diameter 45 mm Diameter 15 mm Center hole Clamping and Label Area Information Area Ee Test Area for performing OPC procedures Count Area to find the usable area immediately in T A Test Area Count Area Tsl start time of the Lead in Area as encoded in ATIP out PMA Program Memory Area Tsl 00 35 65 Tsl 00 15 05 Tsl 00 13 25 Tel 99 59 74
58. ning procedure of TE signal processing in R8J32007 is similar to Focus Servo The role of DSP IC R8J32007 is Tracking Digital Controller TE Signal is input to DSP IC R8J32007 173pin and after A D Conversion Digital Equalizer Block and D A Conversion in R8J32007 the output signal TRD R8J32007 181pin is input to Drive IC 39pin The drive output signal TACT TACT generated according TOIN R2S30202FP 39pin and drives tracking actuator in the P U unit 3 2 2 Sled Servo The working distance of tracking actuator is too short to cover whole disc radius Sled Servo make P U move by little and little so that the laser beam keep tracing the data track on disc continuously when tracking actuator reaches the working limit TE Signal is input to DSP IC R8J32007 173pin and after A D Conversion Digital Tracking Equalizer Block Digital Sled Compensator Block and D A Conversion in R8J32007 the output signal SL1 SL2 R8J32007 182 183pin is input to Drive IC R2S30202FP SL1 3 pin SL2 2pin after Low Pass filtering 52 4 Spindle Circuit 4 1 1 Block Diagram FGCAV Servo Optical l Pick up HOP 7632TS IC301 R8J32007 Disc Motor unit X301 33 8688MHz 4 1 2 FG CAV Servo 1 CD 48x CAV CD ROM CD R 2 CD 40x CAV CD RW 3 DVD 8x CAV DVD RW 4 DVD 10x CAV DVD R 5 DVD 12x CAV DVD ROM DL 6 DVD 16x CAV DVD ROM 7 DVD 16x PCAV DVD R When drive read PRESS CD Closed Session CD R RW the spindle motor is contr
59. nside exterior device and discover a defect by the ability of a read write of data to be performed correctly Since MPU operates by the program with a built in Flash ROM when abnormalities are in MPU Flash ROM and these Data Bus 8 control signals this self diagnostic function cannot be used In such a case the case where LED does not light up at all at the time of a power supply injection is almost the case e MPU In DSP Flash ROM 16Mb is connected to the exterior Bus of MPU Even if the MPU Bus terminal of Flash ROM short circuits it becomes impossible for MPU to read the right program data from Flash ROM and stops for this reason turning on LED at all On the other hand the own poor device of DSP and the open state of IC pin when a defect does not influencing Bas of MPU it can detect correctly and becomes blink of LED according to those defects e DSP DSP has ATAPI IF LDD serial IF AFE serial IF and an AFE control signal as Digital IF As Analog IF it has the slice circuit of RF signal from AFE PLL the objects ADC and DAC for SERVO and ADC for ADIP detection Among these own poor Digital of DSP and AFE serial IF can detect by this self diagnostic function e AFE Poor detection of AFE is restricted to detection of a limitation item Since the greater part of the function is analog signal processing AFE serves as a register in AFE and a check which accepts it serial IF in the logical digital examination from MPU In addi
60. olled using FG CAV Spindle Servo FG signal R2530202FP 19pin input to SFG in DSP IC R8J32007 213pin The spindle controller in DSP IC uses SFG as spindle rotation frequency feedback therefore the FG CAV Spindle Servo doesn t work well if FG generation is abnormal The spindle controller PWM output signal SPD R8J32007 211pin input to SPIN in Drive IC R2S30202FP 1pin after Low Pass Filtering The PWM output signal U V W signal R2S30202FP 12 13 14pin drives Spindle Motor without using a sensor and FG pulse output is generated as 18 pulses rotation 53 4 2 1 Block Diagram Wobble CLV Servo Disc Motor unit Optica Pick u WOBSIG C174 GND l WBLSH WBLSH C gt G R2535002 1 65V IC301 Y R8J32007 R375 SPD SPD E T C Heemmm feH w ai u R34 M x C349 349 ER Motor Kick 1 65V REG 4 2 2 Wobble CLV Servo CD R 4x 8x 16x 24x 32x 40x 48x CD RW 4x 10x 16x 24x 32x DVD R 2x 4x 8x 16x PCAV DVD R DL 2x 4x DVD RW 1x 2x 4x 6x DVD R 2 4x 4x 8x 12x 16x PCAV DVD R DL 2 4x 4x 6x DVD RAM 2x 3x 3 5x PCAV DVD RW 2 4x 4x 8x When drive write DVD RAM R RW R RW CD R CD RW the spindle motor is controlled using Wobble CLV Spindle Servo The WOBSIG signal R2S35002 37pin input to DSP IC R8J32007 154pin The DSP Controller in R8J32007 uses WOBSIG as linear velocity feed back therefore the Wobble CLV Spindle Servo doesn t work well when WOBSIG signal is
61. ottom Chassis in the direction of arrow 1 See Fig 1 1 1 2 Front Bezel Assy A Insert and press a rod in the Emergency Eject Hole and then the CD Tray will open in the direction of arrow 2 B Remove the Tray Door in the direction of arrow 3 by pushing the stoppers forward C Release 3 stoppers and remove the Front Bezel Assy Emergency Eject Hole Fig 1 2 1 3 Cabinet and Main Circuit Board A Remove the Cabinet in the direction of arrow 4 See Fig 1 3 B When the CD tray has been opened completely lift 2 points a and remove the CD tray while drawing out simultaneously C Remove the Soldering of the LD and LD b for the Loading Motor and then remove the Main Circuit Board D At this time be careful not to damage the 4 connectors of the Main Circuit Board Cabinet 2 MECHANISM ASSY DISASSEMBLY 2 1 Pick up Unit A Release screws B B Separate the Pick up Unit in the direction of arrow 6 2 2 Pick up A Release 1 screw C and remove the Pick up Pick up Unit 13 EXPLODED VIEW 5 PBM00 MAIN C B A BF00 FRONT C B A 15 GLOSSARY ATIP Absolute Time in Pre groove With an additional modulation of the Wobble the Groove contains a time code information Wobble The pre groove in the Disc is not a perfect spiral but is wobbled With A typical amplitude of 30 nm spatial peried o
62. oues Tld 2q 991 S Ep JY WOU USeld DCH lt wes N39 OSO SL S12 92 dOH ze kel gt osos MN mn OAH3S dn d 00zergu LOCH ZOOSESTHU dV 48 LOLO 40 2 Copy Protection and Regional Code Management Block Block Diagram Change the KEY Scrambled MPEG Data KEY Management Control Brief Process 1 Regional Code for DVD Disc DVD ROM drive transfers the regional code of the control data to host by the command of host the DVD player of host reads the regional code and plays title in the case of allowed regional code only 2 Management of DVD Disc for the scrambled of data 1 DVD ROM and DVD player of host generate the KEY 1 respectively transfer to opposite part the KEY 2 is received recognizes the data transfer or not with this value and generates the bus key encoded the data 2 Encoded Disc Key and Title Key host is transfer with the bus Key 3 DVD player of host reads the key value and uses the value to restore the scrambled data Refer to the next page for the details 41 3 About Prevention the DVD ROM from to be copy A data is able to encode and record in the disc if a copyright holder wants to prevent the disc from copying In case of a disc enhanced movie of 3 titles DISC KEY 2048 Bytes is used to encode the whole contents in the disc and TITLE KEY 5 Bytes is used to encode the title respectively 6 So the data is encoded an
63. pcoming MPC level 3 specification and its Enhanced Intelligent Device Electronics E IDE and ATAPI interface allows Plug and play integration in the majority of today s PCs without the need of an additional interface card Indicated write in speed is a value at the time of the fastest operation G A 4165B GWA Light Scribe 48x write 48x write x 48x write 48x write 48x write read only 32x write 32x write 32x write 32x write 32x write read only 16x write 16x write 16x write read only 16x write 16x write 4x or 6x write 4x or 6x write 4x or 6x write read only 4x or 6x write 4x or 6x write 4x write 4x write 4x write read only 4x write 4x write 16x write read only 16x write 16x write read only read only 8x write read only 8x write 8x write read only read only 4x or 6x write read only 4x or 6x write 4x or 6x write read only read only 5x write 5x write read only read only read only 5x write G A 4167B GWA Light Scribe 48x write 48x write x 48x write 48x write 48x write read only 32x write 32x write 32x write 32x write 32x write read only 16x write 16x write 16x write read only 16x write 16x write 6x write 6x write 6x write read only 6x write 6x write 4x write 4x write 4x write read only 4x write 4x write 16x write read only 16x write 16x write read only read only
64. pulse lead time dT top dTie Pp Actual write power Pb Bias Power 31 N gt 4 the top pulse Ttop multi pulse Tmp and last pulse Tip 2 2 Method Using Blocked Write Strategy NRZI Channel bits 3 can be optimized individually N z 4 Top cm gt 4 N 3 x Tw Tip Tw Tmp Pe shall be 0 1mW 3 Ttop cm N Pc Cooling power Especially at higher recording speeds optimum cooling down of the dPp Additional power Only be applied for the 3T and 4T marks Pp Actual write power Pb Bias Power recording layer after writing a mark may be needed 32 5 Writing Pulse Wave Form of DVD RW E el W m E ME NC E LE I L st L 28 Fy DD I E o h o El PA A PR Bel E j BE 5 ECTS o Ne ME Z c 3 O I Pp Actual write power Pe Erase Power Pb Bias Power 33 6 Organization of the Inner Drive Area Outer Drive Area Lead in Zone and Lead out Zone 1 Layout of DVD ROM disc Disc Center Diameter 120 mm Diameter 44 mm Diameter 33 mm Diameter 22 mm Diameter 16 mm E 15 mm Rim SS pmo d Read Only Disc 2 Layout of DVD R disc Disc Center Diameter 120 mm Diameter 44 mm Diameter 33 mm Diameter 22 mm Diameter 16 mm EE 15 mm i I Center Clamping 3rd transtion hole Zone area Information Zone 1st transition area Rim ar a EN AE N SSD 0 na GET NEA TT ON PR
65. r signal The one is based on S H signal and the other one is based on B H Bottom Hold signal The write power levels are monitored as digital levlels which are converted by built in Anlog Digital Converter in DSP The MPU monitors each write power level and calculates proper setting of FsDAC and changes value through serial interface between LDD and DSP 48 2 Focus Circuit 2 1 Block Diagram A B C D HAVC LS RUN 0 8V 1C101 R2S35002 HAVE A B C D LS LPF G a POr a Disc Optical A C B D R102 Motor unit Pick up A C B D K EF1 EF3 EF2 EF4 e HOP 7632TS R103 C406 FACT FACT GND FOD 2 2 Focus Servo The aim of Focus Servo is to maintain the distance between object lens of P U and disc surface so that the detected RF signal A B C D EF1 EF2 EF3 EF4 can be maximized Focus Error Signal FE generates from focus error detection block in RF IC R2S35002 using Conventional Astigmatism Detection method Differential Astigmatism Detection method Focus Gain and path can be changed at the RF IC R2S35002 according to the disc and the resulting output FE R2S35002 2pin is input to DSP IC R2535002 169pin The Focus Search operation is using FE PE Signal therefore check FE PE signals when Focusing is failed The role of DSP IC R8J32007 is Focus Digital Controller The operation path is as follows FE Signal is input to DSP IC R8J32007 169pin and after A D Conversion Digital Equalizer Block and
66. rence between a fixed value of Pit length and Land length TOC Table Of Contents in the Lead in Area the subcode Q channel contains information about the Tracks on the disc Packet A method of writing data on a CD in small increments Writing Two kinds of packets can be written Fixed length and Variable length Write The shape of the HF write signal used to modulate the power of the laser Strategy The Write Strategy must be used for recordings necessary for disc measurements Information Wobble ATIP Disc Identification Write Power Speed Range OPC Parameters etc are Area recorded in the Information area of CD RW Disc Finalization The action in which partially unrecorded or logically erased tracks are finished and the Lead in and or Lead out areas are recorded or overwritten with the appropriate TOC subcode Logical Erase A method to remove information from a disc area by overwriting it with an EFM signal containing mode 0 subcode A logically erased area is equivalent to an unrecorded Physical Erase The action in which previously recorded information is erased by overwriting with a CW laser output After a Physical Erase action the erased area on the CD RW disc is in the unrecorded state again Session An area on the disc consisting of a Lead in area a Program area a lead out area Multi session A session that contains or can contain more than one session composed Lead in and Lead out 19 The differences of CD R CD
67. st signal output terminal AWOBSIG Analog Output Analog level WOBBLE signal output terminal GND5 Ground Ground connected terminal LNDTRK Digital Inputpull up Balans adjustment mode selection SPBLVL TISH2 Digital Inputpull up R OPC WRF signal sampling pulse input terminal Tilt servo detecting sampling pulse input terminal RFPDSH Digital Input putpull up APC read system sampling pulse input terminal WFPDSH Digital Input putpull up APC write system sampling pulse input terminal MPDSH SPDSH Digital Input putpull up Pickup input sampling pulse input terminal WBLSH Digital Input putpull up WOBBLE sampling pulse input terminal WGATE Digital Input putpull up Read write control input terminal RFHLD TISH1 Digital Input putpull up RF hold control signal input terminal Tilt servo detecting sampling pulse input terminal IDGATE Digital Input putpull up ID select pulse input terminal LO ZB SPDSH 57 Digital Input putpull up Low z reversal pulse input terminal Pickup input sampling pulse input terminal pin Name pin No Type max voltage Function BLANK WOBSIG 36 37 Digital Output Digital Output Record non record detecting BD detecting output terminal WOBBLE signal output terminal IP2 MIRR 38 Digital Output ID detection Mirror detection output terminal IP1 LPPOUT DFT 39 40 Digi
68. t Test terminal Power Supply3 for Loading Input terminal for slide current limit ACTRST Pickup protect Reset 2 generator output Reference voltage for spindle start up Input terminal for gain select SPM 1 Please connect 17terninal TEST to GND or open for TEST 2 Please connect 25terminal ACTRST to 5VCC When the Pick up protection circuit is not used 70 SPGS VM1 Motor Power Supply 1 for Spindle Block Diagram uuog uod 1NdLNO TEST mode Gain Select ENABLE For LOADING 4 5 5 5V 7 13 2V 1SHLOV WITIS uuog uod 1ndlno Frequency wyo gl uod LNdLNO 0 88 A V Current gain GR uyog I uod 1NdLNO For FO TR TILT 4 5 5 5V PWM CIRCUI wyo g UO 1NdLNO JOHOAUO9 N A Haas wyos uod LNdLNO Ke N E LL 33 E e 5 sto Z o z D o PWM CIRCUIT Frequency 150KHz Reverse detect FG x3 Commutation commutation STARTER UO 1NdLNO 83193130 NI OVE For SPINDLE 7 13 2V 71 Input Output circuit diagram SPIN SL1IN SL2IN FOIN TOIN TLIN LOIN TEST 5VCC 5VCC 100Q 1000 lt SPGS ACTFLG FG Temperature monitor 5VCC VM1 U V W 72 EN1 ENZ e ACTRST COMMON VM1 e VM2 SL1 SL1 SL2 SL2 e VM3 LOT LO TROUBLESHOOTING GUIDE 01 Laser Power Adjust using RD Power WR Power Erase Power
69. tal Output Digital Output ID detection LPP detection output terminal Defect detection output terminal GND4 41 Ground Ground connected terminal Digital PORTOO PORTO PORTO2 PORTOS PORTO4 PORTO5 PORTO6 PORTO7 42 43 44 45 46 47 48 49 Digital Input Output default input mode No pull up I O Port MCLK 50 Digital Analog Input No pull up Main clock input terminal Equalizer fc auto adjustment control clock input terminal LPP output pulse width control clock input terminal WOB BPF f0 auto tracking clock input terminal PORT10 PORT11 PORT12 PORT13 SCLK Digital Input Output default input mode No pull up Digital Input pull up I O Port Serial VF clock input terminal SDATA Digital Input Output pull up Serial VF data input output terminal SDEN MRSTB Digital Input pull up Digital Input pull up Serial I F enable input terminal Master reset reversal input terminal VDD4 Power Power supply connected terminal 3 3V digital BHC External capacitor required External capacitor for LPP bottom hold terminal MIRRHPF MIRRBOTH External capacitor required External capacitor required Terminal to connect Mirror envelope detector HPF capacitor Terminal to connect Mirror envelope detector bottom hold capacitor MIRRTOPH External capacitor required Terminal to connect Mirror envelope detector top hold capacitor BOTH Ext
70. tion W1LPFO External Components Write PLL1 filter connect pin 0 W1LPF1 Write PLL1 filter connect pin 1 W1LPF2 Write PLL1 filter connect pin 2 W2LPFO External Components Write PLL2 filter connect pin 0 W2LPF1 Write PLL2 filter connect pin 1 W2LPF2 Write PLL2 filter connect pin 2 63 Servo Pin List Pin Name destination Function BLANK AFE Blank signal input also connected to the H8S interrupt port INT5 DEFECT AFE Defect scratch detect signal SFG DRVR Spindle FG pulse also input to the H8S interrupt port INT4 EFG PU Spindle FG pulse for Light Scribe also input to the H8S interrupt port INT4 TLD Tilt drive signal PWM output SPD Spindle drive signal PWM output LDD Loading drive signal PWM output LED LPS_LED control signal PWM output ATZC Tracking Zero Cross input signal FE Focus error sampled at 352 8 kHz PE Laser power error sampled at 352 8 kHz SIGM Signal monitor sampled at 88 2 176 4 kHz TE Tracking error sampled at 352 8 kHz LPSA Lens positioning lens error sampled at 88 2 kHz TCPH Tracking center BETA top hold sampled at 44 1 176 4 kHz TIBH Tilt error BETA bottom hold sampled at 44 1 176 4 kHz BCENT BETA center sampled at 176 4 kHz GAD1 General AD input sampled at 88 2 kHz GADO VRDC2N General AD
71. tion serial IF for AFE control is performed via DSP This is writing in the Write command and setting data and is automatically transmitted to the predetermined register of DSP Conversely when it leads the register information on AFE the read command can be written in the predetermined register of DSP and the value of an AFE register can be read by reading the read register of DSP after that Therefore serial between the poor register of AFE and AFE and DSP when there is LED blink with poor AFE the defect of IF or the defect of the register for AFE of DSP is considered Refer to the contrast table of the number of times of blink of LED and a poor part e The self diagnostic function by this LED blink is carried out in the state of a set without a PCB independent or loading Disc 88 2 LED does not blink at all at the time of a power supply injection Eject SW does not react 1 Is it normal to the exterior Bus Data Bus Address Bus control signal system of MPU Viewing check a short circuit opening etc The device connected to the exterior Bus of MPU in DSP and its signal list Peripheral device Flash ROM Bus Signal IC302 D0 D15 eg oge CS m se gt lt repairs when abnormalities are discovered 2 Does the power supply circuit operate normally External input 12V external input 5V regulator 3 3V regulator 2 8V and regulator 1 5V gt When the abnormalities are discovered an ext
72. tray manually or when there is no power Drive activity indicator Two colored LED is used to indicate the operation of the Drive 10 NOTE The actual drive may be different from this design 1 11 Rear Panel Analog Audio Output Connector Jumper Connector Digital Audio Output Connector Power Connector Connects to the power supply 5 and 12 V DC of the host computer NOTE Be careful to connect with the proper polarity Connecting the wrong way may damage the system and is not guaranteed Usually this connector can only be attached one way IDE Interface Connector Connect to the IDE Integrated Device Electronics Interface using a 40 pin flat IDE cable NOTE Do not connect or disconnect the cable when the power is on as this could cause a short circuit and damage the system Always turn the power OFF when connecting or disconnecting the cable IDE Interface Connector Power Connector Jumper Connector This jumper determines whether the drive is configured as a master or slave Changing the master slave configuration takes effect after power on reset Analog Audio Output Connector Provides output to a sound card analog signal Generally you need this to play a regular audio CD Digital Audio Output Connector This connector is not supported DISASSEMBLY 1 CABINET and CIRCUIT BOARD DISASSEMBLY 1 1 Bottom Chassis A Release 4 screws A and remove the B
73. vel signal and APC write sampleing signal output terminal tilt servo detecting output terminal BHBETA TIE Analog Output OPC bottom hold level signal and R OPC sampleing signal output terminal tilt servo detecting output terminal VCC2 Power Power supply connected terminal 5V FVREF Analog Input Reference voltage for APC input terminal FMD Analog Input APC monitor diode input terminal VDD3 Power Power supply connected terminal 3 3V LDOUT Analog Output Terminal to control laser drivers for APC read system VRDC3N External components required Terminal to connect laser driver control filters for APC read VRDC2N PWRMON External components required Terminal to connect laser driver control filters for APG read SH monitor output terminal VRDCN External components required Terminal to connect laser driver control filters for APG read VRDC External components required Terminal to connect laser driver control filters for APC read GND3 Ground Ground connected terminal WAG1 WAG2 WAG3 External capacitor required External capacitor required External capacitor required Terminal to connect WOBBLE AGC detector capacitor WOBFCF External capacitor required WOB BPF f0 auto adjustment external capacitor connected terminal VDD5 Power Power supply connected terminal 3 3V ATEST Analog Output Renesas analog te
74. y is determined by the writing power Therefore Optical Power which has the same value to the preset power value can be estimated by measuring HF signal Asymmetry on the PCA area Measurement of Asymmetry Parameter setting Beta Using AC coupled HF signal before equalization Beta A1 A2 A1 A2 gt HF Signal 25 2 ROPC Running Optimum Power Control Variable primary factor of Optimum Power Change of Power sensitivity on the Disc limited to 0 05 Po Wavelength shift of the laser diode due to the operating temperature change Change of the Spot aberration due to the Disc skew Substrate thickness Defocus Change of Disc or Optics conditions due to the long term OPC Incident recording pulse gt lt is necessary to adjust continuously to obtain the Optimum Power z Principle of Running OPC Sampled timing B To meet the factors mentioned above a horizontal direction movement of a curve is uesd Beta f B level constant on the Recorded Disc Procedure of ROPC a Reference B level is determined during OPC Procedure b During Recording B level value is controlled to have a close Reference B level value c Normalization of B level is used to eliminate the effect of reflectivity fluctuation gt The reflected B level value is normalized by the disc reflectivity itself m i e ME Sampled at timing B 11T v gt gt normalized to recording power

LG Electronics GSA-4168B DVD Player User Manual

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