LG GSA-4081B Скачать руководство пользователя страница 67

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A0-A23

: Address Bus

ADTRG

: A/D Trigger Input

ANI0-ANI7

: Analog Input

: Analog Power Supply

REF

: Analog Reference Voltage

: Analog Ground

BCYST

: Bus Cycle Start Timing

CKSEL :

Clock Generator Operating Mode Select

CLKOUT

: Clock Output

CS0-CS7

: Chip Select

: Clock Generator Power Supply

: Clock Generator Ground

D0-D15

: Data Bus

DMAAK0-DMAAK3 : DMA Acknowledge

DMARQ0-DMARQ3 : DMA Request

HLDAK

: Hold Acknowledge

HLDRQ

: Hold Request

: Power Supply for External Pins

INTP100-INTP103,

: Interrupt Request from Peripherals

INTP110-INTP113,

INTP120-INTP123,

INTP130-INTP133,

INTP140-INTP143,

INTP150-INTP153

IORD

: I/O Read Strobe

IOWR

: I/O Write Strobe

LCAS

: Lower Column Address Strobe

LWR

: Lower Write Strobe

MODE0-MODE3 :

Mode

NMI

: Non-Maskable Interrupt Request

: Output Enable

P00-P07

: Port 0

P10-P17

: Port 1

P20-P27

: Port 2

P30-P37

: Port 3

P40-P47

: Port 4

P50-P57

: Port 5

P60-P67

: Port 6

P70-P77

: Port 7

P80-P87

: Port 8

P90-P97

: Port 9

P100-P107

: Port 10

P110-P117

: Port 11

P120-P127

: Port 12

PA0-PA7

: Port A

PB0-PB7

: Port B

PX5-PX7

: Port X

RAS0-RAS7

: Row Address Strobe

: Read Strobe

REFRQ

: Refresh Request

RESET :

Reset

RXD0, RXD1

: Receive Data

SCK0-SCK3

: Serial Clock

SI0-SI3

: Serial Input

SO0-SO3

: Serial Output

TC0-TC3

: Terminal Count Signal

TCLR10-TCLR15

: Timer Clear

TI10-TI15

: Timer Input

TO100, TO101,

: Timer Output

TO110, TO111,

TO120, TO121,

TO130, TO131,

TO140, TO141,

TO150, TO151

TXD0, TXD1

: Transmit Data

UCAS

: Upper Column Address Strobe

UWR

: Upper Write Strobe

: Power Supply for Internal Unit

: Ground

WAIT :

Wait

: Write Enable

X1, X2

: Crystal

•

Pin Description

Содержание GSA-4081B

Страница 1: ...rMultiDVDDrive SERVICE MANUAL MODEL GSA 4081B GSA 4082B website http biz LGEservice com e mail http www LGEservice com techsup html P NO 3828HS1047A December 2003 Printed in Korea MODEL GSA 4081B GSA 4082B ...

Страница 2: ...DVD R RW DVD R RW DISCS AND DVDD ROM 24 1 Recording Layer 24 2 Disc Specification 25 3 Disc Materials 25 4 Writing Pulse Waveform of DVD R 28 5 Writing Pulse Waveform DVD RW 30 6 Organization of Inner Drive Area Outer Drive Area Lead in Zone and Lead out Zone 31 DVD CD DATA PROCESSING 33 36 1 Data Processing Flow 33 2 Copy Protection and Regional Code Management Block 34 3 About Prevention the DVD...

Страница 3: ... 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...

Страница 4: ...CLV DVD RW 1x 2x CLV DVD RAM Ver 2 1 2x 3x ZCLV DVD R 2 4x 4x CLV 8x ZCLV DVD RW 2 4x 4x CLV 3 Read speed CD ROM R RW 32x 32x 24x Max CD DA DAE 24x Max DVD ROM R RW 12x 8x 8x Max R RW 8x Max DVD Video CSS Compliant Disc Single Dual layer 8x Max DVD RAM Ver 1 0 2 1 2x 2x 3x 4 Sustained Transfer rate CD ROM 4 800 kB s 32x Max DVD ROM 16 62 Mbytes s 12x Max 5 Burst Transfer rate Ultra DMA Mode2 Multi...

Страница 5: ...ixed mode CD ROM disc data and audio CD Extra CD Text CD R Conforming to Orange Book Part2 read write CD RW Conforming to Orange Book Part3 read write 2 2 Writing method 1 For CD R RW Disc at Once DAO Session at Once SAO Track at Once TAO Packet Writing 2 For DVD R RW Disc at Once Incremental Recording Restricted Overwrite DVD RW only 3 For DVD RAM RW Random Write 4 For DVD R Sequential Recording ...

Страница 6: ...yer 5 0x 12x CAV Approx 6 890 r min Dual layer 3 3x 8x CAV Approx 5 060 r min DVD R 3 95GB 3 3x 8x CAV Approx 5 060 r min 4 7GB 3 3x 8x CAV Approx 4 600 r min DVD RW 4 7GB 3 3x 8x CAV Approx 4 600 r min DVD RAM Ver 1 0 2x ZCLV Ver 2 1 2x 3x ZCLV DVD R 4 7GB 3 3x 8x CAV Approx 4 600 r min DVD RW 4 7GB 3 3x 8x CAV Approx 4 600 r min Write CD R 4x 8x CLV 16x 24x ZCLV CD RW 4x CLV High speed Disc 8x 1...

Страница 7: ...Ver 2 1 Without verify DVD R 2 4x 4x CLV 3 32 5 54 Mbytes s 8x ZCLV 5 44 11 08 Mbytes s DVD RW 2 4x 4x 3 32 5 54 Mbytes s 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 Typical value DVD ROM SL 155 ms Typ Note 1 DVD ROM DL 175 ms Typ Note 1 DVD RAM Ver 2 1 185 ms Typ CD ROM 135ms Typ Note 1...

Страница 8: ...5V DC 0 9A Typ 1 3 A Max 12V DC 0 5A Typ 1 2 A Max Read Active 5V DC 0 6A Typ 1 2 A Max 12V DC 0 6A Typ 1 2 A Max Seek Acess 5V DC 0 7A Typ 1 2 A Max 12V DC 1 0A Typ 1 8 A Max 5 3 Standby Sleep mode No disc 1 1 W Typ 1 3 W Max 6 AUDIO PERFORMANCE Item Typical Test Signal Test Condition Note Output Level 0 7 Vrms 1KHz 0 dB No Filter Frequency response 3dB 20 20kHz 0dB at 47kΩ THD 0 1 1KHz 0 dB with...

Страница 9: ... Eject button This button is pressed to open the CD tray This button works only when power is supplied to the drive If an Audio CD is playing pressing this button will stop it and pressing it again will open the tray 3 Emergency Eject Hole Insert a paper clip here to eject the Disc tray manually or when there is no power 4 Drive activity indicator Green colored LED is used to indicate the operatio...

Страница 10: ... circuit and damage the system Always turn the power OFF when connecting or disconnecting the cable 3 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 4 Analog Audio Output Connector Provides output to a sound card analog signal Generally you need this to play a regular audio CD 5 ...

Страница 11: ...it Board A Remove the Cabinet in the direction of arrow 4 See Fig 1 3 B Release 2 hooks a and remove the CD Tray drawing forward C Remove the Main Circuit Board in the direction of arrow 5 D At this time be careful not to damage the 4 connectors are positioned at left and bottom sides of the Main Circuit Board 2 MECHANISM ASSY DISASSEMBLY 2 1 Pick up Unit A Release screws B B Separate the Pick up ...

Страница 12: ...2 2 Pick up A Release 1 screw C and remove the Pick up Pick up Unit Pick up C Fig 2 2 12 ...

Страница 13: ... A03 401 031 401 018 401 019 023 401 022 024 401 017 021 021 413 413 413 001 413 430 010 009 420 008 011 012 005 035 016 015 004 006 A B C D E F G H 1 2 3 4 5 003 002 013 025 430 020 401 401 028 026 014 032 020 027 471 13 14 EXPLODED VIEW ...

Страница 14: ...hanged 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 I11 pit or land as measured by Time Interval Analysis Deviation The difference 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...

Страница 15: ...pitch p Radial Direction Iw A O a a Groove Land Radial Error Signal The Groove wobble Average center Actual center CD ROM READ ONLY DISC a 30nm ITEM CD ROM CD R CD RW Standard Yellow Book Orange Book II Orange Book III Record Not available Write once Re Writeable Tracking Signal I11 Itop 0 6 0 6 0 55 M11 0 70 HF Modulation Read Laser Power mW 0 5 mW 0 7 mW 1 0 mW Jitter 35 nsec 35 nsec 35 nsec Ref...

Страница 16: ...t and Land on the 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 it is divided by Green CD Gold CD Blue CD Laser Wavelength 780 nm Laser Power read 0 7 mW Recording Power 8x 14 20mW 16x 25 35mW ...

Страница 17: ... 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 45mW When disc rewriting new data is overwritten previously recorded data Polycarbonate layer has a Pre Groove which make a track Lens H D Beam Spot Focusing Lens Laser Spot at Constant Read Intensity Reflected Light ...

Страница 18: ...Spot Recorded Mark Reflected Light Signal Reflected Light Signal Below ORP Mark Too Short At Optimum Record Power ORP Above ORP Mark Too Long Time 6 Writing process of CD RW Disc Write Power Erase Power Read Power Groove Crystal Amorphous Amorphous Recorded state lower reflectivity Melting quenching Heating gradual cooling Crystal phase Erased state higher reflectivity ...

Страница 19: ...Area Lead out Area Center hole Clamping and Label Area Information Area PCA PMA Test Area Count Area Diameter 15 mm Diameter 45 mm Diameter 120 mm Unrecorded Disc Tsl 00 35 65 Tsl 00 15 05 Tsl 00 13 25 Tsl 99 59 74 00 00 00 in out Test Area for performing OPC procedures Count Area to find the usable area immediately in T A Tsl start time of the Lead in Area as encoded in ATIP PMA Program Memory Ar...

Страница 20: ...ad_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 temperatu...

Страница 21: ...a close Reference B level value c Normalization of B level is used to eliminate the effect of reflectivity fluctuation The reflected B level value is normalized by the disc reflectivity itself CD R RW Media Write Strategy Determination PCA Test Area Program Area PMA Area Lead In Area Lead out Area OPC PCA Count Area ROPC Recording Capacity of CD R RW 74Minute Recording media 2048 Byte Sector X 75 ...

Страница 22: ...24 The differences of DVD R RW DVD R RW discs and DVD ROM 1 Recording Layer LPP Land Pre Pit DVD R RW Disc DVD R RW Disc 0 74um 3T 0 4um DVD ROM Read Only Disc ...

Страница 23: ...itch 0 74 0 74 0 74 0 74 0 74 0 74 Minimum pit length 0 4 0 44 0 4 0 4 0 4 0 4 Modulation 0 6 0 6 0 6 0 6 0 6 0 6 Channel bit rate 26 16MHz 26 16MHz 26 16MHz 26 16MHz 26 16MHz 26 16MHz Wobble Frequency 140KHz 140KHz 817 4KHz 817 4KHz Addressing 26 16MHz 26 16MHz Wobble LPP Wobble LPP Wobble ADIP Wobble ADIP Read Power mW 0 7 0 1 0 7 0 1 Write Power mW JItter 8 8 8 8 9 9 Bondinglayer Polycarbonate ...

Страница 24: ...ing layer dye Disc substrate Adhesive layer Protective layer Reflective layer Dye layer Substrate Laser beam Disc structure 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 d...

Страница 25: ... Recording layer Phase change material Dielectric layer Disc substrate DVD RW Adhesive layer Protective layer Reflective layer Dielectric layer Recording layer Phase change material Dielectric layer Disc substrate Disc structure 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 q...

Страница 26: ...lses a blocked write strategy where each single mark is created by one continuous pulse 1 1st Method Using Pulsed Write Strategy 3T NRZI T 3 2Tw Ttop dTtop dTle Pb top top le Pp Channel bits N 3 only the top pulse T first pulse lead time dT dT NRZI T 4 2Tw Tw Ttop Tmp Tmp Tlp dTtop dTle Pb top top le lp mp Pp Channel bits N 4 the top pulse T multi pulse T and last pulse T first pulse lead time dT ...

Страница 27: ...Tw 1 25Tw dTtop 4 dPp4 Ttop 4 Tlp Ttop 4 Ttop 4 Tmp Tmp Tlp Tlp Tmp N 3 T cm 3 can be optimized individually N 4 T cm 4 x N 3 T T T T P shall be 0 1mW top mp lp w w top c Pp Actual write power Pb Bias Power dPp Additional power Only be applied for the 3T and 4T marks Pc Cooling power Especially at higher recording speeds optimum cooling down of the recording layer after writing a mark may be neede...

Страница 28: ...30 5 Writing Pulse Wave Form of DVD RW NRZI Channel bits 2Tw Tw Ttop dTtop Pp Pe Tmp mp T dTera Pp Actual write power Pe Erase Power Pb Bias Power Pb 0mW Tmp ...

Страница 29: ...corded Disc PSN 23080H 27080H 27480H 28480H 2A480H 30000H 260540H 261940H 262940H 263940H 267940H in OUT Disc Center Rim area Center hole 1st transition area 2nd transition area Clamping Zone 3rd transtion area Information Zone Diameter 15 mm Diameter 16 mm Diameter 22 mm Diameter 33 mm Diameter 44 mm Diameter 120 mm Disc Center Rim area Inner Disc Count Zone Outer Disc Count Zone 2 Layout of DVD ...

Страница 30: ...f OPC algorithm performed in IDT Zone Lead in Zone Lead out Zone Data Zone Inner Disc Test Zone Outer Disc Test Zone Unrecorded Disc PSN 2A480H 2A7C80H 2DC80H 30000H 260540H 262940H 265940H 266140H in OUT Center hole 1st transition area 2nd transition area Clamping Zone 3rd transtion area Information Zone Diameter 15 mm Diameter 16 mm Diameter 22 mm Diameter 33 mm Diameter 44 mm Diameter 120 mm Di...

Страница 31: ...ulator CiRC error correction Audio DAC Buffer Memory controller CSS controller Atapi interface control Data PLL Servo ADC Focus tracking control output Sled control output CAV Spindle control P up Unit HOP 8521T IC101 RF AMP HD153721TF CD DVD IC701 HD62604FDV TE CSO GEN FE GEN IC702 DRAM IC801 IC802 EEPROM Flash ROM IC804 IC803 SRAM ...

Страница 32: ...ds 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...

Страница 33: ...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 3 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 4 The second step of aut...

Страница 34: ...UM PLW PNG NZL AUS 4 The disc has the regional code of 8 bit Example The disc manufactured in the U S A has the number one Transfer to MPEG 2 board reading the regional code Receiving data from the MPEG 2 board and output through the monitor 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 accordan...

Страница 35: ...W AVCC 5V AVCC 5V DVD HIGH OUT X00 TOP_VIEW X00 X00 x xk x xk x xk 0 1 0 1 CP0054AH VREF NC VR3_680 VR4_680 for DVD for CD CD0 DVD0 IN IC 07 IC 06 IC 08 IC 09 IC 10 AGND AGND AGND AGND AGND AGND AGND AVCC 5V AVCC 5V R8 10k BYG144RE AGND AGND AVCC 5V CP0036AA VREF B1 TOP_VIEW B3 A1 A4 SW 1 3 2 1 4 5 6 10 9 8 7 6 2 3 4 5 4 5 1 2 3 9 10 32 31 30 29 2827 26 25 24 23 22 21 20 19 18 17 11 12 13 14 15 16...

Страница 36: ...ol H DVD L CD 26 THERM O output voltage for controlling temperature 27 VC165 reference voltage input 1 65V 28 F O signal Hologram Unit output F 29 E O signal Hologram Unit output E 30 EF1 O signal Hologram Unit output EF1 31 EF2 O signal Hologram Unit output EF2 32 EF3 O signal Hologram Unit output EF3 33 EF4 O signal Hologram Unit output EF4 34 RF O signal Hologram Unit output RF 35 WRF O signal ...

Страница 37: ...A D B C k x EF1 EF4 EF2 EF3 This signal is generated in RF IC IC101 HD153721TF and controls the pick up s left and right shift to find to track on Disc 3 RF Signal A B C D This signal is converted to DATA signal in DSP IC IC701 HD62604FDV BPV 39 Pick Up module Photo Diode Tracking Focusing Infrared Iaser k F H E G A D B C A D B C k F H E G Offset TE Tp Sub2 Main Tp 2 Sub1 Track Center F E D C A B ...

Страница 38: ...C buffer 2 5VREF GCA S H B H 36 S H MU X AM P APCDAC REDA WRDA SCLK SDATA LDBUSY WDEN 16 32 13 31 14 37 32 33 84 89 88 PG101 IC101 HD153721TF IC701 HD62604FDV BCNT 9 10 TCPH 36 27 32 85 R838 SIGN924 R834 49 46 44 45 99 95 97 96 SIGN926 DESCRIPTION OF CIRCUIT 1 ALPC Automatic Laser Power Control Circuit 1 1 Block Diagram ...

Страница 39: ... the other one is used at writing The logical WRGATE2 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 ...

Страница 40: ...4 can be maximized Focus Error Signal FE generates from focus error detection block in RF IC HD153721 using Double knite Edge method DVD spot size Detection method CD Focus Gain and path can be changed at the RF IC HD153721 according to the disc and the resulting output FE HD153721 3pin is input to DSP IC HD153721 27pin The Focus Search operation is using FE PE Signal therefore check FE PE signals...

Страница 41: ...C101 HD153721 IC701 IC602 HD62604 BU2507 S DAC MPPO A D B C G HAVC LS to V14 5 33 41 L P F L P F SPPO DVD A1 A4 A2 A3 CD EF1 EF2 EF3 EF4 K E F Sled Compensator PWM TVDN 19 TVDP ENC1 18 15 A A B B SLED MOTOR Unit TRD R614 IC501 BD7907 TACT TACT EN1 EN2 DRVCTL1 DRVCTL2 REF 1 65V TRKIN 39 42 20 21 31 30 SL1IN 2 SL2IN 3 SL1IN SL2IN A B 9 10 A B 6 8 SLO1 SL01 SLO2 SLO2 C609 1 65V C604 R632 C605 1 65V 1...

Страница 42: ...SLED MOTOR Unit A D B C K F H E G G HAVC LS to V14 L P F L P F 48 76 78 EQ MIRR DET AGC TOP HOLD 60 59 BOTTOM HOLD TE1 MIRRTOPH MIRRBOTH C118 GND 39 TZC MIRR TEIN VREF1 VREF1 TVDN D A C Tracking Compensator IC701 HD62604 33 Sled Compensator A D C 100 24 M U X Short Seek Algorithm Loog Seek Algorithm P W M 18 41 19 TRD TVDP Track Counter and Timer R706 C708 GND MIRR TE1 TZC TE IP2MIRR C117 GND 7 ...

Страница 43: ...62604 the output signal TRD HD62604 41pin is input to Drive IC 39pin The drive output signal TACT TACT generated according TOIN M63041FP 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 continuo...

Страница 44: ... DVD ROM dual 4 DVD 12x CAV DVD ROM single When drive read PRESS CD Closed Session CD R RW the spindle motor is controlled using FG CAV Spindle Servo FG signal M63041FP 19pin input to SFG in DSP IC IC701 17pin 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 ...

Страница 45: ...RW 1x 2x DVD RW 2 4x 4x CD R 4x 8x 16x 24x CD RW 4x 8x 10x 16x 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 HD153721 47pin input to DSP IC HD62604 94pin The DSP Controller in HD62604 uses WOBSIG as linear velocity feed back therefore the Wobble CLV Spindle Servo doesn t work well when WOBSIG signal is abnormal The sp...

Страница 46: ... WOBSIG 46 RDGATE 45 LO_ZB SPDSH 44 IDGATE 43 BLANK 42 RECD1 41 PWDETO 40 TZC 39 GND4 38 MPDSH SPDSH 37 RFPDSH 36 WFPDSH 35 WGATE 34 RLDON 33 SPBLVL TISH2 32 LNDTRK 31 WBLSH 30 GND5 29 BHC 28 VCC5 27 AWOBSIG 26 RFHLD TISH1 76 77 SUMF 78 RFIP 79 RFIN 80 IREFT 81 VREF1 82 VCC2 83 HAVC 84 SA 85 SB 86 SC 87 SD 88 TRP 89 TRN 90 FOP 91 FON 92 MA 93 MB 94 MC 95 MD 96 GND2 97 LPSIN1 98 LPSIN2 99 100 FE PE...

Страница 47: ...GATE RLDON WFPDSH RFPDSH FMD FVREF PWRMON VRDCN VRDC RREF PWDETO BHOUT 3 3V power Digital power RF system power Analog power Power Cont 0 01u 10u 20k 1 0 068u 0 033u 0 33u 0 33u 0 22u 12k 2 3300p 0 1u 3900p 1500p D D D LO_ZB SPDSH D D D D D D D D D D D D D D A D D D D D D SUBP N IP2 MIRR SUBW BPO MIRR DEFECT EQOP N BPO 2200p SPDSH RRF WRF SPDSH TISH1 RFHLD TISH1 RFHLD TISH1 VRDC2N VCC3 GND3 VCC2 G...

Страница 48: ...8 VRDC2N PWRMON External capacitor required APC Read laser driver control filter connecting port SH monitor output 19 VRDCN External components required APC Read laser driver control filter connecting port 20 VRDC External components required APC Read laser driver control filter connecting port 21 WAG1 External capacitor required WOBBLE AGC detector capacity connecting port 22 WAG2 23 WAG3 24 WOBF...

Страница 49: ...Power digital 52 DFT Digital Output Defect detects output port 53 SCLK Digital Input Serial clock input port 54 SDATA Digital Input Output Serial data output port 55 SDEN Digital Input Serial enable input port 56 MRSTB Digital Input Master reset inversion input port 57 VDD Power Digital output power supply 3 3V 58 MIRRHPF External capacitor required Mirror envelops detection HPF capacity connectin...

Страница 50: ...erential Input RF differential input port 79 RFIN Differential Input RF differential input port 80 IREFT External resistor required External resistor connecting port for reference current setting 81 VREF1 Analog Output 2 1V reference bias voltage output port 82 VCC2 Power Power 83 HAVC Analog Input Pick Up reference voltage input port 84 HAVC2 Analog Input Pick Up reference voltage input port 85 S...

Страница 51: ... A0 149 A1 148 A2 147 A3 146 A4 145 A5 144 A6 143 A7 142 A8 141 A9 140 A10 139 CSB 138 CPRDB 137 CPWRB 136 INT2B 135 INT1B 134 INT1B 133 ADGATEB 132 FOK 131 STANDBYB 130 MRSTB 129 DOUT 128 VSSA 127 XCO 126 XCI 106 LNDTRK 105 WRSTOP 104 SRF2 103 WRGATE 100 IP2MIRR 99 IP1LPPIN 98 RFHLD 97 IDGATE 96 LOWZB 95 RDGATE 94 WOBSIG 93 LSRERR 92 TCSHSPBLV 89 RFPDSH 88 WFPDSH 87 MPDSH 86 WBLSH 85 WRGATE2 84 L...

Страница 52: ...RGATE 1 2 SRF WRSTOP Sample Hold SPBLVL WBLSH MPDSH WFPDSH RFPDSH SPRFTR CD CD ROM Encoder LSRON SFG MONANA 1 2 FE TE LPSAGT PE TZC BLANK SF ST TCPH GFTIBH LPSB BCENT FOD DAVC TRD ENC 1 2 SLB P N DEFECT TLD P N TVD P N SLA P N TRD P N FOD P N XCI XCO WRCKRAM SDATA RFDEN SCLK WDEN LDBUSY FEMCK STANDBYB TEST 3 0 MRSTB TESTB ROUT DOUT LOUT DVD Descramble DVD Scramble Auth BCA SSEQ MSEQ RA 13 0 DWE RD...

Страница 53: ...FODN 46 1R VCCA 78 6U VSSA 110 15Y DCLK 15 2G ENC1 47 3P DCLPF0 79 7W VIREF2 111 14V DCLKB 16 3G ENC2 48 1T DRLPF0 80 7V WRCKRAM 112 16Y VCCA 17 1F SFG 49 4R DCLPF1 81 6Y VCCIO 113 15U ADIPAGNI 18 4G TVDP 50 2P DRLPF1 82 7U VSSIO 114 14W VSSA 19 2H TVDN 51 3R DCLPF2 83 8W FEMCK 115 15V ADIPINP 20 3H SPD 52 1U DRLPF2 84 8V LSRON 116 17Y ADIPINN 21 1G PWM 53 4T JFH 85 7Y WRGATE2 117 16U ADIPVRT 22 4...

Страница 54: ... DASPB 237 7D RD7 142 17R A8 174 20F VCCIO 206 15D TEST1 238 6A RD9 143 19P A7 175 18G DATA4 207 14B TEST0 239 7C RD6 144 18P A6 176 20E DATA11 208 14C TESTB 240 5A VCCIO 145 20R A5 177 17F DATA3 209 15A RA4 241 6D VSSIO 146 17P A4 178 19G VSSIO 210 14D RA3 242 7B RD10 147 19N A3 179 18F DATA12 211 13B RA5 243 6C RD5 148 18N A2 180 20D DATA2 212 13C RA2 244 4A RD11 149 20P A1 181 17E DATA13 213 14...

Страница 55: ...cting port VREF33 58 1W AO External Capacitor Reference Voltage Output Pin of EFM Slice DCLPF2 DRLPF2 DCLPF1 DRLPF1 DCLPF0 DRLPF0 51 52 49 50 47 48 3R 1U 4R 2P 3P 1T AO External Components Loop filter for Data PLL VISTRB 45 4P AO External Resistance Resistance Connected for Control Current of Data PLL R1CLPF R1RLPF 69 70 5W 5V AO External Components Loop filter for Reference PLL1 R2CLPF2 R2RLPF2 R...

Страница 56: ... 2M AO External Capacitor Reference Voltage Output Pin of Servo DAC TZC 24 3J I AFE Input Pin for Tracking Zero Crossing Signal Detection BLANK 23 1H I AFE Input Pin for BLANK Detection FODP FODN 13 14 1E 4F TO DRVR Focus Drive Signal Output TRDP TRDN 7 8 1C 3D TO DRVR Tracking Drive Signal Output Pin TLDP TLDN 9 10 1D 34E TO DRVR Tilt Drive Signal Output Pin ENC1 SLBP ENC2 SLBN 15 16 2G 3G 5IO DR...

Страница 57: ...DRAM DRAM Address RD 15 0 254 252 248 246 244 242 238 236 237 239 243 245 247 249 253 255 4C 5B 3A 6B 4B 7B 6A 8B 7D 7C 6C 5D 4D 4B 5C 3B IOU DRAM DRAM Data DRASB 226 9A O DRAM DRAM Low address strobe DCASB 232 9B O DRAM DRAM Column address strobe DWEB 234 7A O DRAM DRAM Write enable DQMU DQML 233 235 8D 8C O DRAM DRAM DQ Mask enable DCKE 225 10D O DRAM DRAM Clock enable RAMCLK 229 9D O DRAM DRAM ...

Страница 58: ...J 20H 19J 18H 18G 17F 20D 20C 20B 5IO ATAPI ATA Data CS1FXB CS3FXB 203 204 15B 15C 5I ATAPI ATA Tip selection IOCS16B 196 19A 5TO ATAPI ATA16bitpI O HINTRQ 195 17B 5TO ATAPI ATA interruption request DASPB 205 16A 5IO ATAPI ATA drive active PDIAGB 200 17C 5IO ATAPI ATA drive diagnosis DREQ 190 18D 5TO ATAPI ATA DMA request DACKB 194 18B 5I ATAPI ATA DMA Acknowledge IORDY 193 19B 5TO ATAPI ATA I O c...

Страница 59: ...old signal it can change RFHLD VFO3 flow part sample hold pulse a track center S H signal and a focal offset S H signal by register setup IP1LPPIN 99 11V I AFE LPP a PID area discernment signal input signal IP2MIRR 100 11W I AFE MIRR a PID area discernment signal input signal NRZI NRZIB 108 109 13W 14U AO LDD After modulation NRZI output differential this terminal serves as a LVDS output DCLK DCLK...

Страница 60: ...lation Input Pin XCO 127 18W IO X TAL X tal Oscillation Output Pin WRCKRAM 80 7V I Oscillation Module X tal Oscillation Input Pin FEMCK 83 8W O AFE AFE Master Clock Output Pin 1 4 9 Microcomputer Interface Pin List Pin Name Pin No Ball No I O Destination Function A 10 0 140 141 142 143 144 145 146 147 148 149 150 18R 20T 17R 19P 18P 20R 17P 19N 18N 20P 17N I MPU MPU address bus CPU 7 0 153 154 155...

Страница 61: ...EST0 TEST1 TEST2 TEST3 Remarks 0 Servo monitor 0 Servo monitor 1 Servo monitor 2 Servo monitor 3 1 Data strobe 0 Data strobe 1 Data strobe 2 Data strobe 3 2 Audio 0 Audio1 Audio 2 Audio 3 3 DVD modulation 0 DVD modulation 1 DVD modulation modulation 0 2 DVD 4 DVD R CD R0 DVD R CD R1 DVD R CD R2 DVD R CD R3 5 DVD RW0 DVD RW1 DVD RW2 DVD RW3 6 PI C1 PI C1 PI C1 PI C1 7 PO C2 PO C2 PO C2 PO C2 8 SLOC...

Страница 62: ...lock 3 3V for ADIP ADC Block 3 3V for Audio LPF Block 3 3V for X tal PLL Block 3 3V VDD 11 90 161 188 227 2F 9U 17K 19E 10C PW _ Power supply for Digital Logic 1 5V VSSIO 6 82 102 152 164 169 173 178 182 198 218 231 241 251 3E 7U 13Y 18M 19K 17H 17G 19G 19F 16C 12D 9C 6D 3C GND _ Ground for Digital I O VSSA 38 44 62 66 78 107 114 124 128 1N 2N 3U 3W 6U 13V 14W 16W 20Y GND _ Ground for Servo ADC DA...

Страница 63: ... 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 inverted outptut1 11 GND GND 12 U Motor drive output U 13 V Motor drive output V 14 W Motor drive output W 15 ACTFLG Pickup protect flag output 16 OPOUT Operational amplifier output 17 OPI...

Страница 64: ... LOIN SLGS VM1 U V W VM2 SL1 SL1 SL2 SL2 VM3 LO LO 5VCC FO FO TO TO TL TL ACTFLG FG ACTRST OPOUT FOIN TOIN TLIN OPIN REF EN1 EN2 5VCC 5VCC 40k U 5VCC 5VCC 5VCC 5VCC 5VCC 5VCC 5VCC 5VCC 5VCC V VM1 W SL1 SL1 SL2 VM2 SL2 FO FO TO TO TL 5VCC TL LO VM3 LO ...

Страница 65: ...E P93 88 BCYST P94 87 OE P95 86 HLDAK P96 85 HLDRQ P97 84 VSS 83 REFRQ PX5 82 WAIT PX6 81 CLKOUT PX7 80 TO150 P120 79 TO151 P121 78 TCLR15 P122 77 TI15 P123 76 INTP150 P124 75 INTP151 P125 74 INTP152 P126 73 V DD 144 D0 P40 143 D1 P41 142 D2 P42 141 D3 P43 140 D4 P44 139 D5 P45 138 D6 P46 137 D7 P47 136 V SS 135 D8 P50 134 D9 P51 133 D10 P52 132 D11 P53 131 D12 P54 130 D13 P55 129 D14 P56 128 D15 ...

Страница 66: ...0 SCK0 SO1 TXD1 SI1 RXD1 SCK1 PX5 PX7 SI2 SCK2 SO3 SI3 SCK3 ANI0 ANI7 AVREF AVSS AVDD ADTRG PB0 PB7 PA0 PA7 P120 P127 P110 P117 P100 P107 P90 P97 P80 P87 P70 P77 P60 P67 P50 P57 P40 P47 P30 P37 P21 P27 P20 P10 P17 P00 P07 HV DD HLDRQ HLDAK SO2 CS0 CS7 RAS0 RAS7 IOWR IORD REFRQ BCYST WE RD OE UWR UCAS LWR LCAS WAIT A0 A 23 D0 D15 DMARQ0 DMARQ3 DMAAK0 DMAAK3 TC0 TC3 CKSEL CLKOUT X1 X2 CVDD CVSS MODE...

Страница 67: ...ss Strobe LWR Lower Write Strobe MODE0 MODE3 Mode NMI Non Maskable Interrupt Request OE Output Enable P00 P07 Port 0 P10 P17 Port 1 P20 P27 Port 2 P30 P37 Port 3 P40 P47 Port 4 P50 P57 Port 5 P60 P67 Port 6 P70 P77 Port 7 P80 P87 Port 8 P90 P97 Port 9 P100 P107 Port 10 P110 P117 Port 11 P120 P127 Port 12 PA0 PA7 Port A PB0 PB7 Port B PX5 PX7 Port X RAS0 RAS7 Row Address Strobe RD Read Strobe REFRQ...

Страница 68: ...raction history 18 P107 I O I CSW2 Cartridge detection signal protection 19 P106 I O I CSW3 Cartridge detection signal Cartridge detection 20 P105 I O O Blank port 21 P104 I O O Blank port 22 P103 I O I LIMIT Slider Inner circumference Limit SW input 23 P102 I O I LOADR Loader PWM count reset 24 P101 I O O LOAD1 Loader PWM output 25 P100 I O O LOAD2 Loader PWM output 26 P77 I DRVTEMP Driver therma...

Страница 69: ...ort 60 P111 I O O Blank port 61 P110 I O O Blank port 62 CVdd I CVDD A 3 3V The power supply for Clock circuits 63 X2 O X2 Oscillation element input terminal 64 X1 I X1 Oscillation element output terminal 65 CVss O CVSS GND Grounding for Clock circuits 66 CKsel I CKSEL GND Clock PLL Direct Mode Change 67 MODE0 I MODE0 Vdd CPU Data BusWidth selection terminal 68 MODE1 I MODE1 Vdd CPU Data BusWidth ...

Страница 70: ... O O Blank port 95 P84 I O O Blank port 96 P83 I O O LEDG1 LED 97 P82 I O O XCS2 SRAM Chip Select 98 P81 I O O XCS1 FROM Chip Select Main Part 99 P80 I O O XCS0 FROM Chip Select Core Part 100 HVdd I VDD 3 3V 101 P67 I O O Blank port 102 P66 I O O Blank port 103 P65 I O O Blank port 104 P64 I O O A20 Address Bus 20 105 P63 I O O A19 Address Bus 19 106 P62 I O O A18 Address Bus 18 107 P61 I O O A17 ...

Страница 71: ... P56 I O O D14 Data Bus 14 129 P55 I O O D13 Data Bus 13 130 P54 I O O D12 Data Bus 12 131 P53 I O O D11 Data Bus 11 132 P52 I O O D10 Data Bus 10 133 P51 I O O D9 Data Bus 9 134 P50 I O O D8 Data Bus 8 135 Vss O VSS GND 136 P47 I O O D7 Data Bus 7 137 P46 I O O D6 Data Bus 6 138 P45 I O O D5 Data Bus 5 139 P44 I O O D4 Data Bus 4 140 P43 I O O D3 Data Bus 3 141 P42 I O O D2 Data Bus 2 142 P41 I O...

Страница 72: ...1 33 Driver IC601 30 3 5 4 31 C131 Pin 65 14 16 FFC FFC 45 49 FFC FFC FFC Pickup Pickup FFC Setting Setting Setting Setting Setting FE R701 C703 Pin 27 pin 28 LD Driver TE R706 C708 PE R702 C704 TACT TACT ADJUST BLOCK DIAGRAM 01 Laser Power Adjust using RD Power WR Power Erase Power 02 High Frequency Adjust 03 Data Slice Equalizer Boost Raw Slice Equalizer Frequency Adjust 04 Circuit Offset Adjust...

Страница 73: ... 30 31 Slider FPC Slider 6 8 10 C708 R614 TRD C609 39 MPU IC801 DSP IC701 AFE IC101 Driver IC601 IC602 IC508 Pickup All Disc Pin 99 100 FFC Setting Setting LPSA R707 C709 Tracking 30 31 LPSB R708 C710 R614 TRD C609 39 33 MPU IC801 DSP IC701 AFE IC101 Driver IC601 Pickup Pin 86 98 3 3 4 5 34 39 1 2 FFC Setting Setting FE R701 R740 PE R702 C704 Focus 34 35 C703 R615 FOD C609 40 06 Focus Amp Adjust f...

Страница 74: ...Setting Setting SIGMON R836 C812 Slider FPC Slider 6 8 10 DVD ROM Disc MPU IC801 DSP IC701 AFE IC101 Driver IC601 Pickup Pin 86 98 78 79 PI C1 3 FFC Setting Setting FE R701 R740 C703 Slider FPC Slider 6 8 10 DVD RAM Disc MPU IC801 DSP IC701 AFE IC101 Driver IC601 Pickup Pin 86 98 78 79 PID Amp 8 29 FFC Setting Setting SF R703 C705 Slider FPC Slider 6 8 10 10 Servo Loop Gain Adjust 11 Unwritten Sli...

Страница 75: ...10 11 MPU IC801 DSP IC701 AFE IC101 Driver IC602 Driver IC601 Pickup DVD R RW Disc Pin 86 98 78 79 Pin 86 98 78 79 FFC Setting Tracking Amp Setting TE R706 R741 C708 R614 C609 TRD Tilt 36 37 39 38 1 65V Pin 15 18 19 TILT TLIN 41 5 Tracking 30 31 MPU IC801 DSP IC701 AFE IC101 Driver IC601 Pickup DVD R RW Disc FFC Setting Focus Offset Setting FE R701 R740 FE 34 35 C703 FOD R615 C608 40 5 14 Focus Of...

Страница 76: ...603 20 1 Pin 12 13 14 19 17 FG Pin 86 98 78 79 MPU IC801 DSP IC701 AFE IC101 Driver IC601 Pickup DVD R Disc FFC Setting ADIP Count Setting WobSIG Slider FPC Slider 6 8 10 94 47 47 Pin 86 98 78 79 MPU IC801 DSP IC701 AFE IC101 Driver IC601 Pickup DVD R RW Disc FFC Setting DID Count Setting C727 728 Slider FPC Slider 6 8 10 68 69 49 18 Focus Offset Adjust for DVD R RW DVD R RW CD R RW 19 Lens Sensit...

Страница 77: ...10 11 2 3 R631 R632 22 Pin 86 98 MPU IC801 DSP IC701 AFE IC101 Driver IC601 Pickup All Disc FFC Setting Setting FE R701 R740 Focus 34 35 Tracking 30 31 Slider FPC Slider 6 8 10 C703 TE R706 R741 C708 PE R702 C704 FOD R615 C608 C609 TRD R614 40 1 65V 1 65V 5 4 3 39 23 RTZ TimeOut Fail 24 Focus Servo Tracking Servo Fail ...

Страница 78: ...Adjust NG 1 Check solder of IC101circumference No 03 pin 77 IC107 IC108 L101 L103 2 Exchange IC101 AFE 3 Exchange IC701 DSP 4 4C5x to 4C7x EQ Boost Adjust NG 1 Check solder of IC101circumference pin 77 IC107 IC108 L101 L103 2 Exchange IC101 AFE 3 Exchange IC701 DSP 5 4C80 RAW Slice Level Adjust NG 1 Check solder of IC101circumference pin 77 IC107 IC108 L101 L103 2 Exchange IC101 AFE 3 Exchange IC7...

Страница 79: ... pin 86 98 FE_Servo R701 R740 C703 4 Check Slider FPC Connection 5 Exchange IC101 AFE 6 Exchange IC601 Driver 7 Exchange IC701 DSP 4 450x Focus Amp Adjust NG 1 Check Pickup FFC Connection No 07 451x Total Amp Adjust NG 2 Check solder of IC101circumference 454x pin 3 4 5 pin 86 98 FE_Servo R701 R740 C703 PE_Servo R702 C704 3 Exchange Pickup 4 Exchange IC101 AFE 5 Exchange IC701 DSP 5 458x Tracking ...

Страница 80: ...circumference pin 3 4 5 pin 86 98 2 Exchange IC101 AFE 3 Exchange IC801 MPU 4 Exchange IC701 DSP 10 4Axx Focus Offset Adjust NG 4A08 Disc Unmatch Exchange Disc No 12 DVD ROM CD R RW 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Exchange IC701 DSP 11 4A5x Focus Offset Adjust NG 1 RAM Disc NG Exchange RAM Disc No 13 4A6x RAM Only for PID 2 Exchange Pickup 3 Exchange IC101 AFE 4 Exchange IC701 DS...

Страница 81: ...4 Exchange IC101 AFE 5 Exchange IC701 DSP 19 52xx Focus Offset Adjust NG 1 Check Pickup FFC Connection No 18 DVD R RW R RW 2 Exchange Pickup 3 Check solder of IC101circumference pin 3 4 5 pin 86 98 TE_Servo R706 R741 C708 4 Exchange IC101 20 54xx DPP Amp Adjust NG 1 Check Pickup FFC Connection No 08 CD Disc Only 2 Exchange Pickup 3 Check solder of IC101circumference pin 3 4 5 pin 86 98 TE_Servo R7...

Страница 82: ...4 3 Exchange IC601 Driver 4 Exchange Spindle Motor 5 Check solder of IC701circumference 6 Exchange IC701 DSP 26 5Axx ADIP read timing Adjust NG 5A01 Check DVD R Disc Exchange Disc No 21 1 Check Pickup FFC Connection 2 Exchange Pickup 3 Exchange IC101 AFE 4 Exchange IC701 DSP 5 Exchange IC601 Driver 27 5Cxx Signal Amp Error 1 Check Pickup FFC Connection No 07 2 Exchange Pickup 3 Check solder of IC7...

Страница 83: ...xchange IC601 Driver 5 Check solder of IC101circumference pin 3 4 5 pin 86 98 FE_Servo R701 R740 C703 6 Exchange IC101 3 2101 2102 Tracking Fail 1 Check Pickup FFC Connection No 24 2 Exchange Pickup 3 Check solder of IC601circumference 4 Exchange IC601 Driver 5 Check solder of IC101circumference pin 3 4 5 pin 86 98 TE_Servo R706 R741 C708 6 Exchange IC101 4 2000 2010 Spindle Fail 1 Check Spindle F...

Страница 84: ...o Tr Ti _VM3_5V 5Vcc P_RESET IC507 R spearation HD62604_3 3V_digital_IO HD153721_3 3V_IO pick_up VSL_3 3V MPU_3 3V_digital 6ch_SRV_DAC_3 3V_analog D RAM_3 3V_VDD S RAM_3 3V_VDD FL ROM_3 3V_VDD EEP ROM_3 3V_VDD HD62604_1 5V_digital core VSO MPU_3 3V_analog HD153721_3 3V_srvref L502 L602 L501 OP amp_5 0V Vref L103 HD153721_VCC4_5 0V digital L101 L104 L603 pick_up AVCC_5 0V OEIC L102 Q503 Q504 STANBY...

Страница 85: ... 217 230 240 250 17 VCC A 3 3V 3 3V 32 46 61 77 112 119 122 125 18 Clock 34MHz 33 8688MHz 126 127 19 MRSTB 3 3V High 130 MPU 76 20 STANBYB 3 3V High 131 MPU 75 21 AFE VCC 5V 5V 12 27 51 72 82 IC101 22 OP amp VCC 5V 5V 4 23 IC508 VC165 1 65V 8 24 VC25 2 5V 1 25 VC21 2 1V 7 26 SRV DAC VCC 5V 5V 8 27 IC602 VDD 3 3V 3 3V 7 28 RESET 3 3V High 4 29 7ch DRV 5VCC 5V 5V 32 30 IC601 VM3 5V 5V 26 31 VM 12V 1...

Страница 86: ...diagnostic function 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 addition serial IF for AFE control is performed via DSP This is writing in the Write command and setting data and is auto...

Страница 87: ... in order of MPU and X801 4 The defect of Flash ROM Although the clock of MPU 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 Flash ROM IC802 are exchanged Note Before Flash ROM exchange all CS signals of the external ...

Страница 88: ...e pin A control mode setup by the control terminal 2 IC602 BU2507FV 6ch 10bit The DA converter The serial data supplied from DSP is received and DA output of 6ch is performed CH1 13 A01 Stepping motor control signal 1 CH2 2 A02 Stepping motor control signal 2 CH3 3 A03 Actuator control signal CH4 5 A04 Not use CH5 6 A05 Not use CH6 9 A06 Lens position sensor current standard voltage In addition th...

Страница 89: ...NEC 3 3V Reg IC PQ33DZ01ZP SHARP Analog Front End HD153721TF 100pin TQTF RENESAS SRAM 1Mbit T15N1024A TM TEC EEPROM 4kB AT25320N ATMEL or Equivalent Flash ROM 2MByte FUJITSU MBM29LV160BE or Equivalent 1 5V Reg IC PQ1X151M2ZP SHARP 5 0V SW_Reg IC PQ01CZ41H2ZP SHARP OPU HOP 8521T HITACH ME Interface connector DVD CD DSP DVD CD Servo ATAPI HD62604FDV 256pin LQFP RENESAS DVD codec CD codec LPP ADIP de...

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LG GSA-4081B, Руководство по обслуживанию

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Содержание GSA-4081B

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