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Manual LG Electronics GSA-4167B

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  • LG Electronics GSA-4167B - page 1

    S u pe r Mu lt i D VD D r iv e S E R VICE MANUAL MODEL: GSA-4165B/ G S A - 4 1 6 7 B / G S A - 4 1 6 8 B P/NO : 3828HS1047G August 2005 Printed in Korea MODEL : GSA-4165B/GSA-4167B/GSA-4168B ...

  • LG Electronics GSA-4167B - page 2

    T ABLE OF CONTENTS INTRODUCTION .......................................................................................................................................................................3 FEATURES............................................................................................................................................. ...

  • LG Electronics GSA-4167B - page 3

    3 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 ...

  • LG Electronics GSA-4167B - page 4

    4 FEA TURES 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 medi ...

  • LG Electronics GSA-4167B - page 5

    4. Performance 1) Average access time: DVD-ROM 145 ms (1/3 stroke) CD-ROM 125 ms 2) Write speed: DVD-R 2x, 4x CLV, 8x ZCLV, 16x PCAV DVD-R DL 2x, 4x CLV DVD-RW 1x, 2x, 4x, 6x CLV DVD-RAM 2x, 3x ZCLV (Ver.2.2), 3x-5x PCAV(Ver.2.2) DVD+R 2.4x, 4x CLV, 8x ZCLV, 12x, 16x PCAV DVD+R DL 2.4x, 4x, 6x CLV DVD+RW 2.4x, 4x CLV, 8x ZCLV CD-R 4x, 8x, 16x CLV, ...

  • LG Electronics GSA-4167B - page 6

    6 SPECIFICA TIONS 1. SYSTEM REQUIREMENTS -CPU: IBM Compatible Pentium 4 2.4GHz (or faster) (For High speed, 2.4GHz or faster recommended.) -128MB Memory or greater 2. SUPPORTING OPERA TING SYSTEM 2.1 Applicable disc formats DVD ............................DVD-ROM: 4.7GB (Single Layer) 8.5GB (Dual Layer) DVD-R DL: 8.5GB DVD-R: 4.7GB (Ver.2.0 for Aut ...

  • LG Electronics GSA-4167B - page 7

    7 2.4 Data capacity • User Data/Block DVD-ROM/R/RW/RAM/+R/+RW ...... 2,048 bytes/block CD (Yellow Book) .......................................... 2,048 bytes/block(Mode 1 & Mode 2 Form 1) 2,336 bytes/block (Mode 2) 2,328 bytes/block (Mode 2 Form 2) 2,352 bytes/block (CD-DA) 2.5 RPC (Regional Playback Control) Phase2, No Region 3. DRIVE PERFO ...

  • LG Electronics GSA-4167B - page 8

    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 ....................................................................16x PCAV DVD-R DL ...................2.77, 5.54 Mbytes/s ....................... ...

  • LG Electronics GSA-4167B - page 9

    9 4. Quality and Reliability 4.1 MTBF ..................................................100,000 Power On Hours(Consecutive/Cumulative POH) Assumption : ..........................Used in a normall office environment at room temperature. -POH per year.........................3,000 -ON/OFF cycles per year ........600 -Operating duty cycle ............ ...

  • LG Electronics GSA-4167B - page 10

    LOCA TION OF CUSTOMER CONTROLS 10 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. 2. Stop/Eject button This butto ...

  • LG Electronics GSA-4167B - page 11

    11 1. 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. 2. IDE Interface Connector Connect to the IDE (Integrated Device Electronics) Int ...

  • LG Electronics GSA-4167B - page 12

    1. CABINET and CIRCUIT BOARD DISASSEMBL Y 1-1. Bottom Chassis A. Release 4 screws (A) and remove the Bottom 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 ...

  • LG Electronics GSA-4167B - page 13

    2-2. Pick-up A. Release 1 screw (C) and remove the Pick-up. Pick-up Unit Pick-up (C) Fig. 2-2 13 ...

  • LG Electronics GSA-4167B - page 14

    030 014 007 A02 A01 A03 021 028 028 452 032 452 020 021 050 430 005 035 004 006 A B C D E F GH 1 2 3 4 5 452 024 481 034 027 026 033 025 430 445 020 453 031 036 453 010 011 009 008 012 016 015 013 PBM00 (MAIN C.B.A) PBF00 (FRONT C.B.A) 482 482 482 001 482 003 002 (LightScribe only) 14 15 EXPLODED VIEW ...

  • LG Electronics GSA-4167B - page 15

    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 – A spatial peried of 54~64 µm CW Continuous Wave. The laser light output is at a constant l ...

  • LG Electronics GSA-4167B - page 16

    20 The differences of CD-R/CD-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. 2. Disc Specification Read-only Disc CD-R and CD-R W Disc 3~1 1T 1.6um 0.4~0.5 um (Pit)Groove Land T rack pitch(p) Radial Direction Iw A O a a Groove Land Radial Error Signal The ...

  • LG Electronics GSA-4167B - page 17

    21 3. Disc Materials 1) CD-ROM disc Laser Beam Groo ve Substrate (P olycarbonate) Organic Dye La yer Reflective Layer Protective La yer Label Printing 2) CD-R disc Pigment Reflective Layer Color Phtalocyanine Gold/Silver Yellow/White Cyanine Gold/Silver Dark Green/Bright Green Azo Gold/Silver Dark Blue • It is composed of Silver _ colored aluminu ...

  • LG Electronics GSA-4167B - page 18

    22 3) CD-RW Disc 4. Reading process of Optical Disc Laser Beam Groo ve Substrate (P olycarbonate) Recording La yer Dielectric Layer(TL) Dielectric Layer(UL) Protective La yer Label Printing • It is composed of polycarbonate layer, alloy(silver, arsenic) layer, aluminum reflectivity layer, protective layer. • An crystalized alloy layer is transf ...

  • LG Electronics GSA-4167B - page 19

    23 5. Writing Process of CD-R Disc a b c d e f g a b c d e f g Incident Laser Po w e r (Read) (Read) (Write) Laser Spot P osition (Time) a b c d e f g Laser Spot P osition (Time) Laser Spot Recorded Mark Reflected Light Signal Reflected Light Signal Below "ORP" – Mark T oo Short At Optimum Record P ower ("ORP") Abov e "OR ...

  • LG Electronics GSA-4167B - page 20

    24 7. Organization of the PCA, PMA and Lead-in Area 1) Layout of CD-ROM disc Center hole Clamping and Label Area Inf or mation Area Lead-in Area Lead-in Area Diameter 15 mm Diameter 46 mm Diameter 120 mm Program Area Read Only Disc Lead-out Area Program Area Lead-out Area Center hole Clamping and Label Area Inf or mation Area PCA PMA T est Area Cou ...

  • LG Electronics GSA-4167B - page 21

    25 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 ...

  • LG Electronics GSA-4167B - page 22

    26 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 ...

  • LG Electronics GSA-4167B - page 23

    27 The differences of DVD-R/RW , DVD+R/RW discs and DVD-ROM 1. Recording Layer LPP (Land Pre-Pit) D VD+R/RW Disc D VD-R/RW Disc 0.74 um 3 T 0.4 um DVD-ROM (Read Only Disc) ...

  • LG Electronics GSA-4167B - page 24

    28 2. Disc Specification 3. Disc Materials 1) DVD-ROM D VD-ROM Media T ype User data capacity Single-La yer Read Only 4.7GB Dual-La yer Read Only 8.54GB D VD-R D VD-R W D VD+R D VD+R W Dye Phase change Dye Phase change 4.7GB 4.7GB 4.7GB 4.7GB W avelength 650nm 650nm 650nm 650nm 650nm 650nm Reflectivity 45~85% 18~30nm 45~85% 18~30% 45~85% 18~30nm T ...

  • LG Electronics GSA-4167B - page 25

    29 2) Recording 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. DVD-R Adhesive layer Protective layer Reflective layer Recording layer(dye) Disc substrate DVD+R Adhesive layer Protective layer Reflective layer Recording laye ...

  • LG Electronics GSA-4167B - page 26

    30 3) Recording format using phase-change recording material (DVD-RW/DVD+R W) * 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 ] Substrate Laser beam Recording data (Melting/Quick cooling) Era ...

  • LG Electronics GSA-4167B - page 27

    31 4. Writing Pulse W ave 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. - a blocked write strategy, where each single mark is created by one continuous pulse. 1) 1 st M ...

  • LG Electronics GSA-4167B - page 28

    32 2) 2 st Method : Using Blocked Write Strategy NRZI Channel bits 2T w Tw dT top T top dT le P p P b T mp lp T dP p 0mW P c P b 1.25T w 3T mark 4T mark 5T mark Etc. dT top,3 dP p3 T top,3 dT le 1.25T w P c P b 1.25T w 1.25T w 1.25T w dT top,4 dP p4 T top,4 T lp T top,4 T top,4 T mp T mp T lp T lp T mp N = 3 : T (cm = 3) can be optimized individua ...

  • LG Electronics GSA-4167B - page 29

    33 5. W riting Pulse W ave Form of DVD+RW NRZI Channel bits 2T w Tw Ttop dTtop P p Pe T mp mp T dT era Pp : Ac tual wr ite pow er Pe : E r a s e Po we r Pb : Bias Po w e r Pb 0mW T mp ...

  • LG Electronics GSA-4167B - page 30

    6. Organization of the Inner Drive Area, Outer Drive Area, Lead-in Zone and Lead-out Zone 1) Layout of DVD-ROM disc 34 Center hole 1st transition area 2nd transition area Clamping Zone 3rd transtion area Information Zone Lead-in Zone Lead-in Zone Lead -out Zone Diameter 15 mm Diameter 16 mm Diameter 22 mm Diameter 33 mm Diameter 44 mm Diameter 120 ...

  • LG Electronics GSA-4167B - page 31

    3) Layout of DVD+RW disc 35 > 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 number of OPC algorithm performed in IDT Zone. Lead-in Zone Lead ...

  • LG Electronics GSA-4167B - page 32

    36 LightScribe Media 1. LightScribe Media Center Hole Screen Printed Imaging Lay er Clear Protectiv e Coating Reflectiv e/Ther mal La yer Dye Data La yer P olycarbonate Substrate DiscOD Label Zone Control F eature Zone Clamping/Logo Zone ...

  • LG Electronics GSA-4167B - page 33

    37 2. Hardware Block Diagram of LightScribe Label Printing Host PC (Spindle) uP (DSP) P ower Drive Analog Signal Processor MECHANISM Optical Pick-up Optical Encoder (Sled) (T rack) (Tilt) (F ocus) RFOUT Spindle Motor Step Motor T rack Actuator Tilt Actuator F ocus Actuator Laser P ower Ref erence Write Strategy Control Buffer Memory SER V O Signals ...

  • LG Electronics GSA-4167B - page 34

    38 3. MD Assy For LightScribe Optical Encoder Unit OPU ID Movement Range : L=21um ...

  • LG Electronics GSA-4167B - page 35

    39 4. Optical Encoder Assy Codewheel Direction of radial pla y CODEWHEEL OR CODESTRIP FFC 3PIN SIGNAL PROCESSING CIRCUITR Y R V LED V CC CH A CH B CH B GND GND Vcc OFG Encoder PCB PIN 6 VCC PIN 5 CH A PIN 4 GND PIN 3 VLED PIN 2 GND PIN 1 CH B PIN 6 VCC PIN 5 CH A PIN 4 GND PIN 3 VLED PIN 2 GND PIN 1 CH B Optical Encoder IC Schematic of Enc PCB ...

  • LG Electronics GSA-4167B - page 36

    40 DVD & CD DA T A PROCESSING 1. Data Processing Flow Command Data Status RF EQ & AGC SERVO DSP Encoder & Decoder & CSS RF data slice EFM demodulator CiRC error correction Audio DAC Buffer/Memory controller CSS controller Atapi interface control Data PLL Servo ADC Focus/tracking control output Sled control output CA V Spindle contro ...

  • LG Electronics GSA-4167B - page 37

    41 R8J32007 HOST DVD PLAYER (EMPEG2 B/D) Scrambled MPEG Data Change the "KEY" KEY Management Control 2. Copy Protection and Regional Code Management Block Block Diagram 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 ...

  • LG Electronics GSA-4167B - page 38

    42 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. ...

  • LG Electronics GSA-4167B - page 39

    43 4. About the DVD-ROM Regional Code DISC ROM - DRIVE MPEG-2 BOARD VGA CARD MONITOR 1 CAN U.S.A MIX CUB BHS PRI. VIR 1 BMG GRL 2 2 ZAF ISO SWZ FIN POI FST LTU BIR UKR TUR FGY JRN TKM AFG PAK CHN MMR MNG RUS KOR JPN HKG MAC TWN PHL 6 3 2 1 5 5 4 1 MDI MNP GUM PLW PNG NZL AUS 4 The disc has the regional code of 8 bit. Example) The disc manufactured ...

  • LG Electronics GSA-4167B - page 40

    INTERNAL STRUCTURE OF THE PICK-UP 1. Block Diagram of the PICK-UP(HOP-7632TS) 44 45 16 15 14 13 12 11 10 26 27 28 29 30 31 32 9 17 8 7 6 5 4 3 2 1 T ilt- C3 R1 R4 CD-LD DVD-LD R2 FB2 FB1 CD-VR DVD-VR GND EF4 EF1 VA VB VEF2 VREP VRFN VD VCC VS VC2 VEF3 SW C15 C14 C6 C5 C9 C10 Rth R7 R8 R14 Rd C12 C13 FB3 C2 C1 IC2(LDD) IC2(FM) IC3(OEIC) VSO 18 OUT2 ...

  • LG Electronics GSA-4167B - page 41

    45 2. Pick up Pin Assignment No. Signal Name I/O Signal Description 1 GND(OEIC,TEMP) Ground for OEIC 2 Vcc(OEIC) I Power supply for OEIC 3 Vc(OEIC) I Reference voltage input for OEIC 4 GAINSW I OEIC output gain control (High:Low gain, Middle:Middle gain, Low:High gain) 5 E3+F3 O Single OEIC output EF3 6 B O Single OEIC output B 7 D O Single OEIC ou ...

  • LG Electronics GSA-4167B - page 42

    3. Signal detection of the P/U 1) Focus Error Signal ==> (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) ==> {(A+D)-(B+C)}- k x {(EF 1 +EF 4 )-(EF 2 +EF 3 )} This signal is generated in RF IC (IC101 : R2S35002) and controls the ...

  • LG Electronics GSA-4167B - page 43

    47 WGATE RFPDSH Optical Pick-up LD Driver Write Strategy FsDAC WDAC IAPC R160 LPF & Gain WFPDSH FMON RWAPC buffe r 2.5VREF Buffer S/H B/H + - 13 S/H MU X AM P APCDAC (REDA/WRDA) SCLK, SDATA, WDEN 12 9 9 8 10 28 29 126 127 CN101 IC101 (R2S35002)) IC301 (R8J32007) BCNT 5 6 TCPH 32 134 175 R106 R105 C106 25,26,28 120,121,123 108 C105 DESCRIPTION O ...

  • LG Electronics GSA-4167B - page 44

    48 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 enhan ...

  • LG Electronics GSA-4167B - page 45

    49 2. Focus Circuit 2-1. Block Diagram Disc Motor uni t Optical Pick-up HOP-7632TS A,B,C,D A,B,C,D (EF1~EF4) (A+C)-(B+D) (A+C)-(B+D)+K[(EF1+EF3)-(EF2+EF4)] HAVC L S t o V1 4 FE FE FE R102 C405 R103 C406 GND GND ADC Focusin g Comp en sator DAC FOD FOD R329 R2S30202FP IC601 FACT+ FACT- FACT+ FACT- IC101 R2S35002 IC301 R8J32007 EN1 EN2 CTL1 CTL2 C335 ...

  • LG Electronics GSA-4167B - page 46

    50 3. T racking & Sled Circuit 3-1-1. Block Diagram (T racking Following) Disc Motor uni t Optical Pick-up HOP-7632TS A,B,C,D (EF1~EF4) TE TE R101 C101 GND TE ADC Tracking Comp en sat or DAC TRD TACT+ TACT- IC101 R2S35002 IC301 R8J32007 MPPO (A+D)-(B+C) G HAVC LS to V14 1 173 181 L P F L P F SPPO (A+D)-(B+C)-K[(EF1+EF4)-(EF2+EF3)] Sled Comp en ...

  • LG Electronics GSA-4167B - page 47

    3-1-2. Block Diagram (Seek) 51 Disc Motor uni t Optical Pick-up HOP-7632TS SUMF RFIP RFIN (EF1~EF4) A,B,C,D TACT+ TACT- IC101 R2S35002 MPPO (A+D)-(B+C) G HAVC LS to V14 1 L P F L P F SPPO [(EF1+EF4)-(EF2+EF3)] A+ A- B+ B- SLED MOT OR Unit A+B+C+D G HAVC LS to V14 L P F L P F 38 79 80 81 EQ MIRR DET AGC TOP HOLD 63 62 BOTTOM HOLD - + - + TE1 MIRRTOP ...

  • LG Electronics GSA-4167B - page 48

    52 3-2-1. T racking 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 R2S35002 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~EF ...

  • LG Electronics GSA-4167B - page 49

    4. Spindle Circuit 4-1-1. Block Diagram(FGCA V Servo) 53 Disc Motor uni t Optical Pick-up HOP-7632TS XCO Cont rol Cloc k Generato r IC301 R8J32007 107 M U X P W M SPD 211 Motor Kick REG CAV FD + CAV P D SFG VCK4 M VCK4 M 106 R349 C349 R375 1.65V SPD IC601 R2S30202FP U V CTL1 CTL2 DAVC 1.65 1 20 21 12 13 19 42 SPD SFG CTL2 CTL1 SPIN FG W 14 XCI 213 ...

  • LG Electronics GSA-4167B - page 50

    4-2-1. Block Diagram (Wobble CL V Servo) 54 Disc Motor uni t Optical Pick-up HOP-7632TS IC101 R2S35002 HPF S / H - + C174 C173 C171 C172 WBLSH C116 87 88 89 90 92 93 94 95 HPF AGC2 HPF BPF AGC3 HPF HPF 37 31 WBLS GND H 18 19 AGC1 20 VREF WAG1 WAG2 WAG3 SA SB SC SD MA MB MC MD + - C117 C118 ADO BCO IC301 R8J32007 M U X P W M SPD PH SP 211 Motor Kick ...

  • LG Electronics GSA-4167B - page 51

    MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION IC101 (R2S35002) : RF AMP Analog Signal Processor Pin Assignment 55 75 PORT13 74 PORT12 PORT1 1 PORT10 73 AGHPF1 72 AGHPF2 71 VDD1(3.3V) 70 EQOP 69 EQON 68 GND1 67 IREFE 66 EQFCF 65 64 SUBO/LPPMON 63 SUBI/LPPSIG 62 TOPH 61 BOTH 60 MIRRHPF 59 MIRRTOPH 58 MIRRBOTH 57 VDD4(3.3V) 56 MRSTB 55 SDEN 54 S ...

  • LG Electronics GSA-4167B - page 52

    Block Diagram 56 RFIP RFIN Pick I/F 0.068u 0.068u IDGATE TISH1 AGFU AGFR EQ- AUTO RF LPP Wobble F0-CNT AGC3 BPF SUB AGC1 DPD TE BALANCE FE FE RECD SAV MIRR DEFECT TIE R-OPC OPC APC Serial Cont. Reg. VREF Power Cont. Programm able I/O port SIGM PE HFSUM BALANCE AGC2 COMP EQ HP3 RF AGC HP2 ID DET S/H S/H S/H WRF MUX RF SLIM/SUB (RGA) M U X M U X M U ...

  • LG Electronics GSA-4167B - page 53

    57 • Pin Functions pin Name pin No. Type max. voltage Function TE 1 Analog-Output Tracking error output terminal FE 2 Analog-Output Focus error output terimnal PE 3 Analog-Output PE output terminal LE 4 Analog-Output Lens error output terminal BCENT 5 Analog-Output OPC center signal output terminal PHBETA/TCE 6 Analog-Output OPC top hold level si ...

  • LG Electronics GSA-4167B - page 54

    58 pin Name pin No. Type max. voltage Function BLANK 36 Digital-Output Record/non-record detecting/BD detecting output terminal WOBSIG 37 Digital-Output WOBBLE signal output terminal IP2/MIRR 38 Digital-Output ID detection/Mirror detection output terminal IP1/LPPOUT 39 Digital-Output ID detection/LPP detection output terminal DFT 40 Digital-Output ...

  • LG Electronics GSA-4167B - page 55

    59 pin Name pin No. Type max. voltage Function SUBO/LPPMON 71 Analog-Output ID detecting HPF output terminal/LPP detecting HPF output terminal EQFCF 72 External-capacitor required Terminal to connect RF-equalizer fc auto-adjustment external capacitor IREFE 73 External-resistor required Terminal to connect RF-equalizer fc setting external resistor A ...

  • LG Electronics GSA-4167B - page 56

    60 IC301 (R8J32007FPV) : Encoder , Decoder & DSP Singal Processor 1.1 Pin Layout CPU15 A17 EF G SFG TLD SPD LDD LE D GPIO04 ICUIN8 ICUIN6 ICUIN7 TE STB 1 TE STB 2 MRS T B V SSI O VCCIO VCC PTE ST3 VDDAA PTE ST2 V SSA REX T VDDAA PTE ST1 V SSA VINP VDDAA VINN V SSA VCCA VCCA DAVC TV DN TV DP TR D FOD GAD1 GAD0 BCENT TIB H TC PH LPSA TE AT ZC SI ...

  • LG Electronics GSA-4167B - page 57

    1.2 Block Diagram 61 Data WPLL ADIP Detector Detector Counter PRML PLL Generator Demodulate Servo CD-ROM Decoder DVD PI-ECU DVD PO-ECU DRAM MCIF A T API A UDIO DRAM Interface Clock Generator T est Control VINP VINN REXT PTEST [2:0] IP1LPP IN IP2M IRR LOWZB IDGA TE RFHLD W1LPF[2:0] ADC ADC ADIPVR T LPP W obble WOBSIG Jitter CD-DSP CA V A UDIO NRZI,N ...

  • LG Electronics GSA-4167B - page 58

    62 1.3 Pin T able Pin no Pin Name 1 VSSR 2 VCCR 3 CPU14 4 CPU13 5 CPU12 6 VSSIO 7 VCCIO 8 VCCRQ 9 CPU11 10 CPU10 11 VSSRQ 12 CPU9 13 CPU8 14 CPRDB 15 USC0B 16 A1 17 CPU0 18 CPU1 19 CPU2 20 CPU3 21 CPU4 22 VSSRQ 23 CPU5 24 CPU6 25 CPU7 26 VCCRQ 27 VSS 28 VDD 29 A16 30 A15 31 VSSIO 32 VCCIO 33 A14 34 A13 35 A12 36 A11 37 A10 38 A9 39 A20 40 CPWRB 41 ...

  • LG Electronics GSA-4167B - page 59

    63 1.4 Pin Functions It corresponds to the following signs as a pin I/O specification. AI : Analog Input AO : Analog Output AIO : Analog Input/Output I : Standard Input IU : Standard Input with Pull Up O : Standard Output TO : Standard Three State Output IO : Standard Input/Output IOU : Standard Input/Output with Pull Up 5I : 5V Tolerant Input 5O : ...

  • LG Electronics GSA-4167B - page 60

    64 Servo Pin List Pin Name Pin No. I/O destination Function BLANK 156 I AFE Blank signal input (also connected to the H8S interrupt port INT5) DEFECT 157 I AFE Defect (scratch detect) signal SFG 213 IU DRVR Spindle FG pulse (also input to the H8S interrupt port INT4) EFG 214 I PU Spindle FG pulse for Light Scribe (also input to the H8S interrupt po ...

  • LG Electronics GSA-4167B - page 61

    65 ATAPI Interface Pin List Pin Name Pin No. I/O destination Function HRSTB 59 5I ATAPI ATAPI-IF control signal (host reset signal) DA2 92 5I ATAPI ATAPI-IF register address signal DA1 89 DA0 91 DATA[15:0] 79,77,71, 5IO ATAPI ATAPI- IF data bus 69,67,65, 63,61,60, 62,64,66, 68,70,76, 78 DREQ 80 5TO ATAPI ATAPI-IF DMA request signal ZIOWB 81 5I ATAP ...

  • LG Electronics GSA-4167B - page 62

    66 Encoder Interface Pin List Serial Communication Interface Pin List Pin Name Pin No. I/O destination Function IP1LPPIN 150 I AFE PID area identification signal/LPP input signal IP2MIRR 149 I AFE PID area identification signal/MIRR signal WOBSIG 154 I AFE Wobble signal input LOWZB 153 O AFE Input impedance switch control signal/SPDSH; running OPC ...

  • LG Electronics GSA-4167B - page 63

    67 Audio Interface Pin List Pin Name Pin No. I/O destination Function DOUT 109 IO ATAPI Digital output pin,also functions as the CPU general port 1-2 ROUT 98 AO ATAPI Audio Lch & Rch output LOUT 100 Clock Generator Pin List Pin Name Pin No. I/O destination Function FEMCK 119 O AFE Front End LSI clock XCO 106 O X ’ tal Crystal oscillation 33.8 ...

  • LG Electronics GSA-4167B - page 64

    68 LSI/TEST Control Pin List Pin Name Pin No. I/O destination Function MRSTB 202 I RESET IC Master reset input TESTB2 203 I Test select TESTB1 204 TMS 114 IU E10emulator Test data switch for E10emulator TCK 115 IOU E10emulator Test clock for E10 emulator It can function as a SCI serial clock output port when E10 emulator is not used (multiplexed). ...

  • LG Electronics GSA-4167B - page 65

    69 Power Supply/GND Pin List Pin Name Pin No. I/O Function VDD 28,41,72, PW DSP core power supply (1.5V) 130,146 VCCR 2,53 PW SDRAM power supply (3.3V) VCCRQ 8,26 SDRAM I/O power supply (3.3V) VDDAA 159 PW 1.5V system analog power supply (1.5V) WPLL1,2 189,193,197 1.5V system analog power supply (1.5V) PRML A/D Data PLL VCCA 99 PW Analog power supp ...

  • LG Electronics GSA-4167B - page 66

    70 No Pin name Function 1 SPIN Spindle control voltage input 2 SL1IN Slide control voltage input1 3 SL2IN Slide control voltage input2 4 SPLIM Input terminal for spindle current limit 5 VM2 Motor Power Supply 2(for Slide) 6 SL2+ Slide non-inverted output2 7 GND GND 8 SL2- Slide inverted output2 9 SL1+ Slide non-inverted output1 10 SL1- Slide invert ...

  • LG Electronics GSA-4167B - page 67

    Block Diagram 71 STM M SWICHING Commut atio n PW M CIRCUIT SPM V/V converter + - CTL SLIDE2 V/V converter + - CTL + - CTL SL1+ SL1- SL1IN SL2+ SL2- SL2IN REF SPIN FG U V W FOIN FO+ FO- TRIN TR+ TR- VM2 SLIDE1 V/V converter PW M CIRCUIT PW M CIRCUIT Current sense Current sense Current sense GND GND DSP DSP DSP DSP DSP DSP DSP B T L A M P C u r r e n ...

  • LG Electronics GSA-4167B - page 68

    72 Input/Output circuit diagram SPIN, SL1IN, SL2IN LOIN FOIN, TOIN,TLIN TEST REF EN1, EN2 SPGS ACTFLG,FG ACT RST VM1, U, V, W VM2, SL1+, SL1-, SL2+, SL2- 5VCC, FO+, FO-, TO+, TO-, TL+, TL- VM3, LO+, LO- 5VCC 5VCC 5VCC 5VCC 5VCC 5VCC 5VCC VM1 VM2 VM3 5VCC U V W SL1+ SL1- SL2- SL2+ LO- LO+ FO- FO+ TO- TO+ TL- TL+ (Temperature monitor) 5VCC 5VCC 10k 2 ...

  • LG Electronics GSA-4167B - page 69

    TROUBLESHOOTING GUIDE 73 MPU & DSP IC301 MPU & DSP IC301 MPU & DSP IC301 AFE IC101 AFE IC101 Pickup LD Driver Front Monitor IC102 AFE IC101 #6 Pin#79 Pin#110 Pin#203 Pin# 87-90 #2 #1 #3 C137 Pin#21 #10 #12 FFC FFC 17,18,20,21 FFC FFC Pickup Pickup FFC Setting Setting FE:R102,C405 Pin#175 pin#98 LD Driver TE:R101,C101 PE:R103,C406 (01) L ...

  • LG Electronics GSA-4167B - page 70

    74 MPU & DSP IC301 AFE IC101 Driver IC601 Pickup All Disc Pin# 87-90 FFC Setting FE:R102,C405 Focus:#34-35 R329, C335 #40 All Disc MPU & DSP IC301 AFE IC101 Driver IC601 Pickup All Disc Pin# 87-90 Setting FE:R102,C405 Tracking:#30-31 Focus:#34-35 TE:R101,C101 R329,C335 #40 R330,C336 #39 MPU & DSP IC301 AFE IC101 Driver IC601 Pickup Pin# ...

  • LG Electronics GSA-4167B - page 71

    75 DVD-RAM Disc MPU & DSP IC301 AFE IC101 Driver IC601 Pickup Pin# 80-81 #171 #100 FFC Setting SIGM:R148, C151 Slider FPC Slider:#6, 8-10 DVD-RAM Disc MPU & DSP IC301 AFE IC101 Driver IC601 Pickup Pin# 87-90,80-81 #67,68 FFC Setting C341,343 Slider FPC Slider:#6, 8-10 DVD-RAM Disc MPU & DSP IC301 AFE IC101 Driver IC601 Pickup Pin# 87-90 ...

  • LG Electronics GSA-4167B - page 72

    76 Slider FPC Slider:#6,8-10 MPU & DSP IC301 AFE IC101 Driver IC601 Pickup DVD-R/RW Disc Pin# 87-90, 80-81 Pin# 87-90,80-81 FFC Setting TE:R101, C101 TRD:R330,C336 TILT: #36-37 #39 #181 #1 Tracking: #30-31 MPU & DSP IC301 AFE IC101 Driver IC601 Pickup DVD-R/RW Disc FFC Setting FE:R102, C405 FE:#34-35 FE R329, C335 #40 #2 (14) Tilt Adjust fo ...

  • LG Electronics GSA-4167B - page 73

    77 MPU & DSP IC301 MPU & DSP IC301 Driver IC601 Pickup FFC FFC (Temp.Information) putemp #178 Spindle SPD:R349, C349 #211 #1 Pin# 12-14 #19 #213 FG Pin# 87-90,80-81 MPU & DSP IC301 AFE IC101 Driver IC601 Pickup DVD+R Disc FFC Setting WobSIG Slider FPC Slider:#6, 8-10 #154 #37 Pin# 87-90,80-81 MPU & DSP IC301 AFE IC101 Driver IC601 P ...

  • LG Electronics GSA-4167B - page 74

    78 AFE IC101 Driver IC601 Slider/ Spindle Spindle FFC Slider FPC Slider:#6,8-10 Pin# 87-90 MPU & DSP IC301 AFE IC101 Driver IC601 Pickup All Disc FFC Setting FE:R102,C405 Focus:#34-35 Tracking:#30-31 Slider FPC Slider:#6,8-10 TE:R101,C101 PE:R103,C406 R329,C335 FOD TRD R330, C336 #40 #1 #3 #2 #43 #39 (21) RTZ TimeOut Fail (22) Focus Servo/T rac ...

  • LG Electronics GSA-4167B - page 75

    79 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 2) Check solder of IC101circumference. (pin#6, 10, 12, L150, L151) 3) Check solder of IC102. 4) Exchange Pickup(LDD, Front Monitor). 5) Exchange IC101(AFE). 6) Exchange IC301(MPU & DSP). 2 48xx High Frequency Adj ...

  • LG Electronics GSA-4167B - page 76

    80 No. Error Code Contents of fail Fail Analysis Block Diagram SSB Byte21,22 1 42xx Circuit Offset Adjust NG. 1) Check Pickup FFC Connection. No.04 2) 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 & DSP ...

  • LG Electronics GSA-4167B - page 77

    81 No. Error Code Contents of fail Fail Analysis Block Diagram SSB Byte21,22 7 4Axx Focus Offset Adjust NG. 4A08: Disc Unmatch(Exchange Disc). No.10 (DVD-ROM,CD-R/RW) 1) Check Pickup FFC Connection. 2) Exchange Pickup. 3) Exchange IC301(MPU & DSP). 8 4A5x Focus Offset Adjust NG. 1) RAM Disc NG (Exchange RAM Disc) No.11 4A6x (RAM Only for PID) 2 ...

  • LG Electronics GSA-4167B - page 78

    82 No. Error Code Contents of fail Fail Analysis Block Diagram SSB Byte21,22 16 54xx DPP Amp Adjust NG. 1) Check Pickup FFC Connection. No.07 (CD Disc Only) 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 & DSP). 17 55xx Lens Shift/ Tilt Adjust ...

  • LG Electronics GSA-4167B - page 79

    83 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 & DSP). 5) Exchange IC601(Driver) 23 5Cxx Signal Amp Error. 1) Check Pickup FFC Connecti ...

  • LG Electronics GSA-4167B - page 80

    84 No. Error Code Contents of fail Fail Analysis Block Diagram SSB Byte21,22 1 2503,2504 RTZ Timeout(Sled Timeout). 1) Check Slider FPC Connection. No.21 2) Check solder of IC601 circumference . (pin#2-3, 6, 8-10) 3) Exchange IC601. 4) Exchange Slider Motor. 2 2020,2021 Focus Fail. 1) Check Pickup FFC Connection. No.22 2) Exchange Pickup. 3) Check ...

  • LG Electronics GSA-4167B - page 81

    IC701 1.5V REG IC701 2.8V REG 12V DRV IC601 R2S30202FP VM1 #22 Motor power supply 1(Spindle) VM2 #05 Motor power supply 2(Slide) IC301 DSP (R8J32007) #028 VCC Core Power] #041 VDD [Core Power] #072 VDD [Core Power] #130 VDD [Core Power] #146 VDD [Core Power] CN101 P/U (LDD) Vso5V #29 IC101 AFE(R2S35002) VCC1 #08 Power (5.0V) VCC2 #78 Power (5.0V) I ...

  • LG Electronics GSA-4167B - page 82

    87 No Circuit/IC Signal Signal/Level mesurement-point (IC-pin or Device) 1 Power supply Line-12V 12V CN801-41 2 Line-5V 5V CN801-44 3 (IC701) reg-1.5V 1.5V IC701-2 4 reg-2.8V 2.8V IC703-5 5 (IC703) reg-3.3V 3.3V IC703-2 6 Flash-ROM VDD : 3.3V 3.3V 37 7 (IC302) CS Active-Low 26 8 XRD read-CK 28 9 DSP VDD : 1.5V 1.5V 41, 28, 72, 130, 146, 159, 189, 1 ...

  • LG Electronics GSA-4167B - page 83

    88 1. Self-Diagnostic Function by LED Blink. • Basic operation : At JR6, MPU is included in DSP, MPU accesses each peripheral (inside, 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 ...

  • LG Electronics GSA-4167B - page 84

    89 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 => It repairs, when abno ...

  • LG Electronics GSA-4167B - page 85

    90 3. Motor, Abnormalities in Actuator System The drive circuit of a motor & actuator consists of the three ICs IC601(R2S30202FP). The work of each IC is as follows. (1) IC601(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 (differ ...

  • LG Electronics GSA-4167B - page 86

    91 12 V GND 5V Device configuration jumper MASTER SLA VE CSEL Host IDE Analog audio LED 3.3V 2.8V 1.5V Flash-ROM (2MByte) MBM29L V160BE or Equivalent (FUJITSU) Disc Loading moto r Slide moto r Disc motor Unit mec han ism T ray Detect SW Eject SW Limit SW Analog Front End R2S35002 100pin-TQTF (RENESAS) 3.3V/2.8V Reg.IC XCM403AA03SR RST (TOREX) 2.8V/ ...

Manufacturer LG Electronics Category DVD Player

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