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Страница: 47 / 115

Circuit Descriptions

5-2

Samsung Electronics

◆

Advantages and disadvantages of linear power supply

1) Advantages : Little noise because the output waveform

of transformer is sine wave.

2) Disadvantages :

Additional margin is required because Vs is chan-

ged (depending on power source). (The regulator
loss is caused by margin design).

Greater core size and condensor capacity are ne-

eded, because the transformer works on a single
power frequency.

5-1-1 (b) S.M.P.S. (Pulse width modulation method)

Vreg

Vout

Change by common power

Regulator loss

Fig. 5-5

◆

Terms

1) 1st : Common power input to 1st winding.
2) 2nd : Circuit followings output winding of transformer.
3) f (Frequency) : Switching frequency (T : Switching cycle)
4) Duty : (Ton/T) x 100

Transformer

Vout

(Np)

(Vp)

Switch

Vs switch

I switch

Vin

ON/OFF Control

–

(Vs)

(Ns)

REGULATOR

Fig. 5-6

Содержание DVD-611

Страница 1: ... List 8 Electrical Parts List 9 Block Diagrams 10 PCB Diagrams 11 Wiring Diagram 12 Schematic Diagrams Manual DVD PLAYER CONTENTS SERVICE MANUAL DVD 611 611B 615 511 OPEN CLOSE SKIP STOP PLAY PAUSE OPEN CLOSE DIGITAL VIDEO STANDBY ON DIGITAL VIDEO OPEN CLOSE SKIP STOP PLAY PAUSE OPEN CLOSE STANDBY ON DVD 611 611B 615 DVD 511 ELECTRONICS Samsung Electronics Co Ltd APR 2000 Printed in Korea AH68 004...

Страница 2: ...rwriters Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screw heads metallic overlays control shafts etc espe cially any exposed metal parts that offer an electri cal return path to the c...

Страница 3: ...ched out of place or frayed wiring Do not change spacing between a component and the printed circuit board Check the AC power cord for damage 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if necess...

Страница 4: ...nd lead last 2 The service precautions are indicated or printed on the cabinet chassis or components When servic ing follow the printed or indicated service precau tions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same ratings Components i enti fied by shading by or by in t...

Страница 5: ...posure of the assem bly 3 Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use only an anti static solder removal devices Some solder removal devices not classified as anti static can generate electrical charges suffi cient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a ...

Страница 6: ... sheet This gives them the same ground as the sheet 4 Remove the optical pick up block 5 Perform work on top of the conductive sheet Be careful not to let your clothes or any other static sources to touch the unit Be sure to put on a wrist strap grounded to the sheet Be sure to lay a conductive sheet made of copper etc Which is grounded to the table Fig 1 3 6 Short the short terminal on the PCB wh...

Страница 7: ...Inserted into Main PCB DCN1 See Fig 1 4 3 Disassemble the deck 4 Disassemble the deck PCB 1 5 2 Assembly 1 Replace the Pick up 2 Assemble the deck PCB 3 Reassemble the deck 4 Insert FPC into Main PCB DCN1 and switch SW3 on deck PCB to ON See Fig 1 4 FPC TO MAIN PCB DCN1 Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Страница 8: ... Select Input for the Serial Control Mode Chip select is active when SMUTE is low 9 DFS I Double Sampling Speed Input When low this pin defines the Normal Speed Mode and 128 xFs oversampling is implemented When high the DFSpin defines the Double Speed Mode implemented with 64 x Fs oversampling This pin features an internal pull down 10 DEM0 or CCLK I De emphasis Enable 0 or Control Data Clock Inpu...

Страница 9: ...OUT B CLK SDATA 3 _OUT C2PO SDATA 4 _OUT S Q DT SDATA 5 _OUT W FSY SDATA 6 _OUT S 0 S1 SDATA 7 _BI SQ CK DATREQ _ IN CSTROB E _ OUT DTER_OUT DATACK_OUT TOS _ OUT Mon i tor 9 GFS_OUT FRSY Z_ OUT TX_OUT EFM O_ OUT W FCK_ OUT RFCK_ OUT CK1 6M_OUT DEMPHA_ OUT CLVLOCK_ OUT ECSY CD CLV CAV 23BIT SR Frame Sync DET PROT INS 7 35KHz VCO Tim ing Generator M M W FCK 17 58 7 3 5KHz 32 28 5 28 24 5 CIRC EFM DE...

Страница 10: ...SS Digital GND 0 V 85 DVDD DIGITAL Power 5 V 86 DVDD DIGITAL Power 5 V 87 DVSS Digital GND 0 V 88 DVSS Digital GND 0 V 89 DVSS Digital GND 0 V 90 DVSS Digital GND 0 V 91 FRSYZ_OUT Frame Sync Out O Monitor 92 TX_OUT Digital Out O Monitor No Pin Name Description I O 46 DADR7_OUT DRAM Address Bus O DRAM 47 DVSS Digital GND 0 V 48 DADR0_OUT DRAM Address Bus O DRAM 49 DADR6_OUT DRAM Address Bus O DRAM ...

Страница 11: ... D5 D6 D7 D8 RAS NO 2 CLOCK GENERATOR CONTROL LOGIC COLUMN DECODER SENSE AMPLIFIERS VO GATING ROW DECODER 512x512x16 MEMORY ARRAY 512 512 DATA IN BUFFER DATA OUT BUFFER REFRESH CONTROLLER REFRESH COUNTER NO 1CLOCK GENERATOR ROW ADDRESS BUFFERS 9 COLUMN ADDRESS BUFFER OE Vcc Vss IO0 IO15 16 9 8 8 9 9 9 9 16 512x16 ...

Страница 12: ...t Row Address Strobe 28 CASH Input Column Address Strobe Upper Byte Control 29 CASL Input Column Address Strobe Lower Byte Control 13 WE Input Write Enable 27 OE Input Output Enable 2 5 7 10 31 34 36 39 I O0 I O15 Input Output Data Input Output 1 6 20 Vcc Supply Power 5V 21 35 40 Vss Ground Ground 11 12 15 30 NC No Connect ...

Страница 13: ... 8BIT TIMER TIMER 6 8BIT TIMER TIMER 7 Not included in TMP95C265 64KB ROM 2KB ROM WATCHDOG TIMER PC SR XWA XBC XDE XHL XIX XIY XIZ XSP W 900 H CPU A B C D E H IX OSC PORT0 PORT1 PORT2 PORT3 PORT4 PORT5 CS WAIT CONTROLLER 4 BLOCK INTERRUPT CONTROLLER 16BIT TIMER TIMER 8 16BIT TIMER TIMER 9 IY IZ SP L 32bit F VCC 3 VSS 3 X1 X2 P00 P07 D0 D7 P10 P17 D8 D15 P20 P27 A15 A23 P30 P37 A8 A15 P40 P47 A0 A7...

Страница 14: ...LOCK monitor from DSP I KS1453 108 98 PA6 FOKB Focus lock monitor from RF I KS1461 48 99 PA7 RFO RF sum signal Analog Lnput I RFO 100 VREFH 5D A D Ref Input H I 5D NO PORT NAME ASSIGNED NAME DESCRIPTION TYPE REMARK 1 VREFL DGND A D Ref Input L I DGND 2 AVss DGND A D Ref Input DGND 3 AVcc 5D A D VCC Input 5D 4 DAOUT0 MTP1 0 NC 5 DAOUT1 MPT2 0 NC 6 NMI PULL UP I 7 P53 CSB D Servo IC Chip Select 0 KS...

Страница 15: ... 6 7 8 9 10 11 12 13 14 15 16 A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 Vss Vcc A17 A14 A13 A8 A9 A11 GVPP A10 E Q7 Q6 Q4 Q4 Q3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 TOP VIEW Vcc Vss LOGIC DIAGRAM FUNCTION Address Inputs Chip Enable Data Outputs Output Enable Program Supply Supply Voltage Ground A19 A18 GVpp E A0 A19 A0 Q7 20 8 ...

Страница 16: ...8 17 16 15 VDD WE A13 A8 A9 A11 OE A10 CS I O8 I O7 I O6 I O5 I O4 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I O1 I O2 I O3 VSS A0 CS A14 WE I O1 I O8 OE VDD VSS DATA I O DECODER CONTROL CORE ARRAY SYMBOL DESCRIPTION A0 A14 Address Inputs I O1 I O8 Data Inputs Outputs CS Chip Select Input WE Write Enable Input OE Output Enable Input V DD Power Supply V SS Ground TOP VIEW BLOCK DIAGRAM ...

Страница 17: ...F BUS BUS PC ACC Bus Interface Base Timer SIO 0 SIO 1 Timer 0 Timer 1 VFD Controller ADC INT0 3 Noise Filter Real Time Service XRAM 128 bytes High Voltage Output Port 1 Port 7 Port 8 Port 2 Port 3 Port 4 Port 5 PWM 1 B Reg PSW RAR RAM Stack Pointer PORT 0 Watch Dog Timer C Reg ALU ROM IR PLA RC Clock Generator X tal ...

Страница 18: ...SAVE POWER SAVE MODE POWER 97 P46 0 AMUTE1 REAR MUTE AUDIO 98 P47 0 AMUTE0 FRONT MUTE AUDIO 99 P50 0 LED STANDBY LED LED 100 P51 0 ON OFF POWER ON OFF CONTROL POWER NO PORT NAME TYPE ASSIGNED NAME DESCRIPTION REMARK 1 P52 0 MRST Front end reset RESET 2 PWM1 TP1 NC 3 P20 0 CS1 Chip Select 1 AK4393 4 P21 0 CCLK Control Data Clock AK4393 AK4356 5 P22 0 CDTI Control Data AK4393 AK4356 6 P23 0 CS2 Chip...

Страница 19: ...O PLLF BCATH EQF RDPF VZOCTL AGCC RFCT EQGND CP1 MIRRI RFRPN CP2 CB2 RFRP AGCP AGCB CB1 MROFST EQIN RREFDLY VREF GENERATOR RREFBF RREF RREFEQ EQ VC AMP 58 60 59 57 65 62 63 61 64 68 67 66 69 S I F BLO C K CD1 S12 DVD1 DVD2 LDONB FLT_CTL CDRSEL TESEL AGCHOLD TBAL GAIN_TE3 ENV_SEL DVCTL_SEL DPD_MUTE GAIN_EQ GAIN_FE GAIN_ABCD TE_OFST FE_OFST ABCD_OFST DELAY_CD DELAY_AB PDLIM IT ga_RFSUM HOLD_CTL ga_P...

Страница 20: ...46 FOKB O Focus OK comparator output terminal L Focus OK FOKB DSSP 47 DFCT_CP1 Connection terminal for RC value of Peak Hold for selecting the maximum time for Servo signal DFCT 48 DFCT_CP2 Connection terminal for RC value of Peak Hold for selecting the minimum defect time for PLL DFCT 49 CC1 O Peak Hold Output terminal for selecting the minimum Defect time for Defect DFCT 50 CC2 I Peak Hold AC Co...

Страница 21: ...B TL KB SSTOP PS0 PS1 LOCK SMON MIRR FOKB DFCT I O IN TER FACE BLOC K D AB C SB M D ATA 7 0 M W R B SEN SE SYSC ON IN TER FACE BLOC K R OM D SP C OR E F OR D IGIT AL SER VO PL CK R VC O VC TR L EQC TL W ID E C APTU RE R ANGE PLL L D ON B PSB RSTB TEST TZCA M R D B EF M ASYMM ETR Y R FI ASY C D XOUT TILTI TILTO EFM EFM R TD R PD PL LLOC K M D OU T 3 0 DIRC ASY D VD EFM I D VC T L M AG I C 0 IN T 0_...

Страница 22: ...r tracking zero cross input pin 78 MDOUT0 O Mode data0 out controlled by micom 79 MDOUT1 O Mode data1 out controlled by micom 80 MDOUT2 O Mode data2 out controlled by micom No Name I O Description 1 MDOUT3 O Mode data3 out controlled by micom 2 SSTOP PS0PS1 I Limit switch sled position sensor input pin0 3 PS1 I Sled motor position sensor input pin1 4 TEST I Test pin L normal H test 5 COUT O Counte...

Страница 23: ...r Absolute Values TSD Detector Direction Detector Hall amp matrix Direction select Power Save Short vrake Lower Distributor Upper Distributor MUTE MUTE MUTE 2P 2P 2P 2P 2P 2P 2P 2P 2P 10k 10k 10k 10k PWRGND A3 A2 A1 OPIN OPIN OPOUT VCC1 AVM12 DI4 DI3 DI2 FIN GND FIN GND H3 H3 H2 H2 H1 H1 BTLSGND BIAS AVM4 MUTE12 MUTE3 MUTE4 DI1 DO1 DO1 DO2 DO2 BTLPGND1 BTLPGND2 DO3 DO3 AVM3 DO4 DO4 FIN GND SB DIR ...

Страница 24: ...1 AVM12 BTL CH 1 2 MOTOR SUPPLY VOLTAGE 22 DI4 I BTL DRIVE INPUT 4 23 DI3 I BTL DRIVE INPUT 3 24 DI2 I BTL DRIVE INPUT 2 25 DI1 I BTL DRIVE INPUT 1 26 DO1 O BTL DRIVE 1 OUTPUT 27 DO1 O BTL DRIVE 1 OUTPUT 28 DO2 O BTL DRIVE 2 OUTPUT 29 DO2 O BTL DRIVE 2 OUTPUT 30 BTLPGND1 BTL POWER GROUND 1 31 BTLPGND2 BTL POWER GROUND 2 32 DO3 O BTL DRIVE 3 OUTPUT 33 DO3 O BTL DRIVE 3 OUTPUT 34 AVM3 BTL CH3 MOTOR ...

Страница 25: ...face Program Stream Decoder Host Interface Audio Interface DVD CD Interface MPEG Video Decoder Subpicture Decoder OSD Decoder CD DA and LPCM Decoder Dolby Digital Audio Decoder MPEG Audio Decoder Memory Controller Host Interface Control Logic SecureView CSS Descrambling Bus Key Authentication optional Video Mixer Video Out Digital Video Encoder ...

Страница 26: ...DDR0 3 3V O 100 VDD_3 3 3 3V 101 VSS GROUND 102 MADDR1 3 3V O 103 MADDR2 3 3V O 104 MADDR3 3 3V O 105 RESERVED ANALOG GND 106 NC No connect O 107 NC No connect O 108 RESERVED 3 3V I 109 NC No connect O 110 RESERVED 3 3V I 111 RESERVED 3 3V ANALOG 112 RESERVED 3 3V I 113 DAI LRCK 3 3V I O 114 DAI BCK 3 3V I O 115 VDD_3 3 3 3V 116 VSS GROUND 117 DAI DATA 3 3V I O 118 DA DATA3 3 3V O 119 DA DATA2 3 3...

Страница 27: ...SERVED 3 3V I 196 RESERVED 3 3V I 197 HDATA7 3 3V I O 198 VSS GROUND Pin No Pin Name I O Voltage I O Type 199 HDATA6 3 3V I O 200 HDATA5 3 3V I O 201 HDATA4 3 3V I O 202 HDATA3 3 3V I O 203 HDATA2 3 3V I O 204 VDD_3 3 3 3V 205 VSS 3 3V 206 HDATA1 3 3V I O 207 HDATA0 3 3V I O 208 CS 3 3V I Pin No Pin Name I O Voltage I O Type ...

Страница 28: ...le CKE should be enabled at least one cycle prior to new command Disable input buffers for power down in standby A0 A10 AP Address Row column addresses are multiplexed on the same pins Row address RA0 RA10 column address CA0 CA7 BA Bank Select Address Selects bank to be activated during row address latch time Selects bank for read write during column address latch time RAS Row Address Strobe Latch...

Страница 29: ...Reference Information 2 22 Samsung Electronics MEMO ...

Страница 30: ... m sec Compact Disc Maximum Play Time 20min VCD 12Cm Reading Speed 1 2 to 1 4 m sec Maximum Play Time 74min Video Audio Composite Video 2 channel 1 0Vp p 75ohm load R Red 0 714 Vp p 75ohm load G Green 0 714 Vp p 75ohm load Video Output Scart Jack B Blue 0 714 Vp p 75ohm load Composite Video 0 714 Vp p 75ohm load Color Signal 0 286 Vp p 75ohm load S Video Luminance Signal 1Vp p 75ohm load Color Sig...

Страница 31: ...Product Specification 3 2 Samsung Electronics MEMO ...

Страница 32: ...t and PCB 4 1 1 Top Cabinet Removal 1 Remove 3 Screws Œ on the back Top Cabinet 2 Remove 2 Screws ˇ on the left and right side 3 Lift up the Top Cabinet in direction of arrow Œ 3 SCREWS 1 SCREW ˇ 1 SCREW Fig 4 1 Top Cabinet Removal Note Reassembly in reverse order ...

Страница 33: ...he Door Tray in direction of arrow A 3 Close Tray Œ and power off Note If Tray Œ doesn t open insert a Screw driver into the Emergency hole ˇ as shown in detailed draw ing and then push it in the direction of arrow B Open Tray manually Œ TRAY DOOR TRAY A ˇ EMERGENCY HOLE Side View SCREW DRIVER B Fig 4 2 Door Tray Removal ...

Страница 34: ... Reaasembly Samsung Electronics 4 3 5 SCREWS ˇ KEY PCB Œ ASS Y FRONT PANEL Fig 4 3 Ass y Front Panel Key PCB Removal 4 1 3 Ass y Front Panel Key PCB Removal 1 Remove Ass y Front Panel Œ 2 Remove 5 Screws and Key PCB ˇ ...

Страница 35: ...s y Deck Removal 1 Remove 4 Screws Œ from the Ass y Deck and lift it up CAUTIONS 1 When disassembling switch the SW3 to OFF on the Deck PCB and remove the FPC connected to DCN1 on Main PCB 2 When assembling insert the FPC into the DCN1 on Main PCB and switch SW3 to ON on the Deck PCB Fig 4 4 Ass y Deck Removal ...

Страница 36: ...ectronics 4 5 2 SCREWS ˇ JACK PCB ˆ MAIN PCB Œ 1 SCREW 3 SCREWS Fig 4 5 Main PCB Jack PCB Removal 4 1 5 Main PCB Jack PCB Removal 1 Remove 1 Screw Œ 2 Remove 2 Screws and lift up the Jack PCB ˇ 3 Remove 3 Screws and lift up the Main PCB ˆ ...

Страница 37: ...4 6 Samsung Electronics Disassembly and Reaasembly MAIN PCB JACK PCB KEY PCB 4 2 PCB Location Fig 4 6 PCB Location ...

Страница 38: ... Œ KEY PCB CT1 JACK PCB MAIN PCB ˇ Ø CT2 CT4 NO CONNECTOR NO DIRECTION CONNECTOR NO NO Œ CON21 KEY PCB JACK PCB CN2 ˇ PCNS1 JACK PCB MAIN PCB PCN1 ˆ FPC DECK ASS Y MAIN PCB DCN1 Ø CN1 JACK PCB MAIN PCB CN8 CT1 CT2 CT3 CT4 4 3 Connector Diagram Fig 4 7 Connector Diagram ...

Страница 39: ...D Œ and TM TM 2 Disconnect CN3 ˇ CN2 3 Remove 1 Screw ˆ and lift up the PCB Deck Ø 4 Remove 1 Screw 5 Push the Hook in the direction of arrow A and lift up the Ass y P U Deck in direction of arrow B Fig 4 8 PCB Deck Ass y and Ass y P U Deck Removal Œ SLED SLED TM TM ˆ 1 SCREW Ø DECK PCB 1 SCREW HOOK B A ASS Y P U DECK Assembly Point ˇ CN3 CN2 ...

Страница 40: ... Housing ˇ in the direction arrow A 2 When the Tray Disc comes out little pull it in the direction arrow B by hand 3 Pull the Tray Disc to disassemble while simultaneously pushing 2 Stoppers ˆ left right in the direction arrow C D Fig 4 9 Tray Disc Removal TRAY DISC B A Œ SCREW DRIVER EMERGENCY HOLE C ˇ SLIDER HOUSING ˆ STOPPER ˆ STOPPER D ...

Страница 41: ...lectronics Disassembly and Reaasembly 4 4 3 Slider Housing Removal 1 Push the Slider Housing Œ in the direction arrow A 2 Lift up the Slider Housing Œ Fig 4 10 Slider Housing Removal A Œ SLIDER HOUSING Assembly PUSH ...

Страница 42: ...r 3 Push the Hook ˆ in the direction arrow A and lift up Gear Tray Ø Gear Housing 4 Push the 4 Hooks bottom side in the direction arrow B and lift up the Motor Load Ass y 5 Remove Clamper Ass y Fig 4 11 Housing Ass y Removal Œ BELT 1 SCREW ˇ 1 SCREW PULLEY GEAR ˆ HOOK A Ø GEAR TRAY GEAR HOUSING MOTOR LOAD ASS Y CLAMPER ASS Y Bottom Side 4 HOOKS B B B B ...

Страница 43: ...4 12 Samsung Electronics Disassembly and Reaasembly 4 4 5 Sub Chassis Removal 1 Remove the 4 Screws Œ 2 Lift up the Ass y Brkt Deck Fig 4 12 Sub Chassis Removal Œ 4 SCREWS ASSY BRAK DECK ...

Страница 44: ...d B Gear Feed A ˇ 3 Remove 2 Screws 4 Remove Shaft Pick Up ˆ and Pick Up Assy Ø 5 Remove 1 Screw 6 Remove 2 Screws 7 Remove 3 Spring Spindle and Motor Spindle Ass y Fig 4 13 Ass y Brkt Deck Removal 2 SCREW Œ WASHER GEAR FEED B 2 SCREWS 1 SCREW ˆ SHAFT PICK UP ˇ GEAR FEED A Ø PICK UP ASS Y SPRING SPINDLE MOTOR SPINDLE ...

Страница 45: ...4 14 Samsung Electronics Disassembly and Reaasembly MEMO ...

Страница 46: ...r Vreg Vout Vs Ns Vp Np REGULATOR Common power Ex 120 220V 50 60Hz Fig 5 1 Linear Power Supply Waveform Description Vs t 0 Fig 5 2 Vs t 0 Fig 5 3 Vout t 0 Fig 5 4 Input Common power to transformer Vp The output Vs of transformer is determined by the ratio of 1st Np and 2nd Ns Vs Ns Np x Vp Vout is output DC by diode and condensor ...

Страница 47: ...sed by margin design Greater core size and condensor capacity are ne eded because the transformer works on a single power frequency 5 1 1 b S M P S Pulse width modulation method v Vreg Vout 0 t Change by common power Regulator loss Fig 5 5 Terms 1 1st Common power input to 1st winding 2 2nd Circuit followings output winding of transformer 3 f Frequency Switching frequency T Switching cycle 4 Duty ...

Страница 48: ...ower by leakage inductance Fig 5 7 1 Prevent residual high voltage at the terminals of switch during switch off Suppress noise High inverted power occurs at switch off because of the 1st winding of transformer V LI xdi dt LI Leakage Induction A very high residual voltage exists on both terminals of PICF1 because dt is a very short 2 SNUBBER circuit protects PICF1 from damage through leakage voltag...

Страница 49: ...base current down PICS2 of A K current down PICS1 Diode current down PICS1 C E current down PICS1 C E voltage up PICF1 F B voltage up Out Duty up Transformer 1st current up Transformer 1st power up Vout up Maintain Vout 5 8V 3 If load of 5 8 V terminal decreases or AC input voltage rises and Vout rises above 5 8V then Reverse sequence of the above description Duty down Vout down Maintain 5 8V i e ...

Страница 50: ...tage Detection Circuit FLT Driving Circuit 3 3V Rectified Smoothing Circuit 5V Rectified Smoothing Circuit 8V Rectified Smoothing Circuit 8V Rectified Smoothing Circuit 3 3V Rectified VoltageCircuit 5V Rectified VoltageCircuit x2 Motor 8V 1 Port 8V Rectified VoltageCircuit 8V Rectified VoltageCircuit O U T P U T Fig 5 9 5 1 3 b PICF1 STR G6551 Internal Block Diagram VIN D S 4 1 2 O C P 5 GND 3 DRI...

Страница 51: ...1 b RF signal Fig 5 11 shows the flow of signal generated by the pick up A B C D signals detected from pick up are converted in to RF signal A B C D via RF summing AMP Fig 5 12 shows the waveform equalizing block diagram for the RF signal It outputs to EQout Pin 86 terminal by initially changing switching AMP gain of DVD and CD and then adjust ing the level in RF SUM AGC It controls RF SUM AGC gai...

Страница 52: ... of DVD EQ and CD EQ are as follows 1 DVD CD EQ control parameter Œ EQG Pin 97 Changes the gain of peak frequency with EQ frequency characteristic Convert PWM signal output from KS1453 into DC via low pass filter EQF Pin 98 Changes the peak frequency with EQ frequency characteristic Convert PWM signal output from KS1453 into DVD via low pass filter ...

Страница 53: ... the key commands of front panel or instructions of remote control through communication with Micom FIC1 LC86P6232 of front and controls the devices on board to execute the corresponding commands after initializing the devices connected with micom on board at power on 5 3 2 Block Diagram RIC1 RF AMP KS1461 SIC1 DIGITAL SERVO KS1452 ZIC1 A V DECODER ZIVA4 1 AIC1 D A CONVERTER AK4393 DIC1 DATA PROCE...

Страница 54: ...ously CH1 CS2 MIC2 22 EPROM CHIP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVD1CS ZIC1 208 A V DECODER CHIP SELECT CH4 SRVCS SIC1 10 DIGITAL SERVO CHIP SELECT CH5 WR MIC1 89 MICOM OUTPUT WRITE SIGNAL CH6 RD MIC1 88 MICOM OUTPUT READ SIGNAL CS2 DSPCS DVD1CS CSB RD WR Fig 5 14 CH1 CS2 MIC2 22 EPROM CHIP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVD1CS ZIC1 208 A V DECODER C...

Страница 55: ...IP SELECT CH2 DSPCS DIC1 2 DATA PROCESSOR CHIP SELECT CH3 DVD1CS ZIC1 208 A V DECODER CHIP SELECT CH4 SRVCS SIC1 10 DIGITAL SERVO CHIP SELECT CH5 WR MIC1 89 MICOM OUTPUT WRITE SIGNAL CH6 RD MIC1 88 MICOM OUTPUT READ SIGNAL CS2 DSPCS DVD1CS CSB RD WR Fig 5 16 Servo Access ...

Страница 56: ...etween object lens of Pick up and disc for surface vibration of disc 2 Tracking SERVO Make the object lens follow the disc track in use of tracking error signal created from Pick up 3 SLED Linked SERVO When the tracking actuator inclines outwardly as the object lens follows the track during play the SLED motor moves slightly and counteracts the incline 4 CLV SERVO DISC Motor Control SERVO Controls...

Страница 57: ... Pin65 of SIC1 FEI Pin39 of RIC1 ABCD 2 PLAY When focus loop closes the loop during focus servo on both pin 65 and pin 75 of SIC1 are controlled by VREF voltage approx 2 5V and pin 26 27 of SIC4 are approximately 4 5V 2 TRACKING SERVO 1 NORMAL PLAY MODE Œ For DVD Composite The signal output from PD A B C D of Pick up the tracking error signal pin36 of RIC1 uses the phase difference of A C and B D ...

Страница 58: ... LINKED SERVO Normal play mode Move SLED motor slightly by means of PWM signal in SIC1 pin 73 as the tracking actuator moves along with track during play Control to move the entire Pick up as the tracking actuator moves Coarse serach mode In case of long distance search such as chapter serach SIC1 uses MIRR and TZC signal of SIC1 38 52 Then read ID and compute the existing track count after input ...

Страница 59: ... this status is report ed by interrupt to main micom which controls the servo to kick back the pick up to the previous track after mem orizing the last data read from disc until now It takes some times to jump to the previous track and return to the original jump location again The memory will have an empty space because A V decoder reads out data of mem ory When the memory has an empty space wher...

Страница 60: ...5 3 Waveform Description It measures the timing that data processed in DIC1 at DVD playback STROBE REQ DACK SDATA all 2 2 0 1 0 Fig 5 20 CH1 STROBE DIC1 69 CLOCK CH2 REQ DIC1 70 DATA REQUEST CH3 DACK DIC1 58 DATA ACKNOWLEDGE CH4 SDATA DIC1 60 67 DATA ...

Страница 61: ...arate signal is encoded to NTSC PAL by control of MIC1 The above signals which are CVBS Composite Video Burst Synchronized G GREEN Y PIN139 Y S_VIDEO B BRUE Pb PIN145 and C S_VIDEO R RED Pr PIN151 are selectively outputted CVBS S_VIDEO R G B by the rear switch In Course of encoding 8bit data can extend to 10bit or more To convert the extended data to quantization noise as possible ZIC1 adopts 10bi...

Страница 62: ...C4 and SIC6 and outputted through the SCART jack The scart jack has the function select signal Pin 8 of SCJ1 that the TV can select automatically RF and the external video signal SCQ3 SCQ7 SCQ18 and SCD4 are the circuit to point FIC1 Pin100 pin 94 controls When the TV aspect ratio is 16 9 or 4 3 it is outputted 4 5 7V or 9 5 12V each But when the DVD video source is 16 9 and 16 9 wide is select ed...

Страница 63: ...annels audio data and transmit them to Data 0 and Data 1 Front L R channel is outputted in mixed audio output L R output and analog audio output and surround L R center and subwoofer aren t outputted If DVD of 2 channels source disc is used it is outputted by the same way with CD and VCD If 5 1 channel source disc front L R channel is outputted in Data 1 Surround L R in Data 2 and Center Sub woofe...

Страница 64: ...ta is that data isn t compressed so it is called CD DA LPCM data The 2 channels data is converted through audio decoder 2 channel data and Data 0 and Data 1 are outputted in digital audio interface Via IEC 958 output process they is transmitted to digital amplifier or AC 3 MPEG DTS amplifier built in the external digital input source with IEC 958 1937 transmission format AUDIO INPUT BUFFER AUDIO O...

Страница 65: ...Circuit Descriptions 5 20 Samsung Electronics MEMO ...

Страница 66: ...tputted from object lens at play key input No focus incoming and no disc occurs Yes No B A No focus incoming FE in SIC1 65 is within specified range DRIC4 1 2 output are normal Check open state from DRIC4 to pick up Check RIC1 and A B C D input Check DRIC4 Yes Yes No No A ...

Страница 67: ...Sled Motor and connection Check MIC1 Yes No LED SLED SIC4 32 33 output are normal Check SIC4 Yes No NO LD ON RIC1 28 is 5V Current exceeds 0 1A LD out pick up replace Open check in related circuit Check MIC1 Yes Yes Yes No No Divide RQ1 emitter terminal voltage and 5V real voltage difference into 10ohm B ...

Страница 68: ...ocus On Yes Yes Yes A See Fine Seek Check No Yes Check pick up No FINE SEEK Check FINE SEEK MIRR signal RIC1 57 is missing TZCO signal SIC1 52 is occurs Track incomming is delayed TE is within 2V and 3V Pick up transfer smooth Check RIC1 Peripheral curcuit Check SIC1 Peripheral curcuit Time out due to many jump counts Check SIC1 peripheral circuit SIC1 76 output is normal SIC4 28 29 terminal outpu...

Страница 69: ... motor Check DIC1 MIC1 Check DRIC1 soldering and power Check path to RIC1 and SIC1 Check RIC1 soldering and power RIC1 86 output are normal RIC1 88 output is normal Check RIC1 peripheral circuit and A B C D Yes Yes Yes Yes Yes Yes No No No No No No No Tray open close MIC1 84 85 is Open L L Close H H Check SIC4 35 36 output at open close Check signal line state from SIC4 35 36 to tray motor Micom M...

Страница 70: ...ing shot Check ZIC1 121 output Check ZIC1 125 CD VCD 16 9344MHz DVD 18 432MHz Yes Yes No No AOP1 1 7 output is normal Check AOP1 peripheral circuit Yes No Base terminal level of AQ1 AQ3 are L Check FIC1 47 mute Yes No Digital output error Output in ZIC1 127 is normal Output in AIC3 6 8 10 is normal Check AVJ4 5 peripheral soldering shot Check ZIC1 peripheral circuit Check AIC3 Yes No No Yes ...

Страница 71: ...k feed back Yes Yes No Yes All power is measured correctly and front cable is properly connected All clocks 20MHz 33 8688MHz 27MHz of main PCB oscillate normally Check A V decoder signal process block Check all clock oscillating parts Yes Yes No CS2 RD WR signal occur Check short pin out of micom common bus 8 bit Check short or operating of micom Check soldering of micom and communication devices ...

Страница 72: ...No front SET operation REF 5V all 28V power is supplied 12MHz oscillation FY1 If the problem persists Check after replacing Jack PCB with another one Check other parts for abnormal front operation persists Check power status Check X TAL peripheral circuit Yes Yes No No Reset working in FIC1 12 Check reset peripheral circuit of FIC2 Yes No FIC1 soldering is OK Check FIC1 soldering Yes No Key of STO...

Страница 73: ...ck Check DIC1 MIC1 peripheral short Check 27MHz oscillating part Yes No No Signals are output from SIC1 42 44 Replace SIC1 Yes No Yes S Video output error VSW1 video select switch is up position VR121 of VSW1 is high state Move the select switch to up position Check the soldering of VSW1 Yes No No Pin 87 in FIC1 is high state Check the connection between pin 87 in FIC1 and VR121 Yes No Yes D ...

Страница 74: ...ic1 has normal level Check the connection between pin 1 in PCNS1 and pin 3 in ZIC5 Yes No Peak to peak voltage level of pin 10 in VIC1 is 2V Video signal of about 1V appears at output jack Yes No Yes Check the RCA cable D RGB output error at SCJ1 Output voltage at pin in SCJ1 is in 1V 3V RGB signal is outputed at pin 139 145 151 in ZIC1 Check the pin 91 in FIC1 H state Check SCQ 15 16 circuit See ...

Страница 75: ...Troubleshooting 6 10 Samsung Electronics MEMO ...

Страница 76: ...Samsung Electronics 7 1 7 Exploded View and Parts List 7 1 Cabinet Assembly DVD 611 611B 615 7 2 Cabinet Assembly DVD 511 7 3 Deck Assembly Page 7 2 7 4 7 6 ...

Страница 77: ... Electronics 7 1 Cabinet Assembly DVD 611 601 ASSY PCB MAIN S N A CABINET BOTTOM S N A DECK DVD MECHA 101 150 150 150 12 11 12 151 151 UT01 l 602 ASS Y PCB JACK 151 CN1A 610 S N A CHASSIS REAR 13 152 152 S N A Service Not Available 1 2 701 151 ...

Страница 78: ...BS 94HB BLK DVD 101 AH64 00489B CABINET TOP PCM T0 65 SIL SV227 DVD 611 615 AH64 00489A CABINET TOP DVD 611B 150 6003 000275 SCREW TAPTITE BH B M3 L10 BLK SWCH1018 151 6003 000276 SCREW TAPTITE BH B M3 L10 ZPC YEL SWC 152 6003 000282 SCREW TAPTITE BH B M3 L8 ZPC BLK SWCH 601 AH92 00337K ASSY PCB MAIN DVD 511 XEF MAIN PCB 602 AH92 00338B ASSY PCB JACK DVD 611 XEF JACK PCB 610 AC39 10019A POWER CORD...

Страница 79: ... Electronics 7 2 Cabinet Assembly DVD 511 601 ASSY PCB MAIN S N A CABINET BOTTOM S N A DECK DVD MECHA 101 150 150 150 12 11 12 151 151 UT01 l 610 602 ASS Y PCB JACK 151 CN1A S N A CHASSIS REAR 13 152 S N A Service Not Available 1 2 701 151 152 ...

Страница 80: ...BINET TOP PCM T0 65 SIL SV227 150 6003 000275 SCREW TAPTITE BH B M3 L10 BLK SWCH1018A 151 6003 000276 SCREW TAPTITE BH B M3 L10 ZPC YEL SWC 152 6003 000282 SCREW TAPTITE BH B M3 L8 ZPC BLK SWCH 601 AH92 00337K ASSY PCB MAIN DVD 511 XEF MAIN PCB 602 AH92 00338F ASSY PCB JACK DVD 511 XEF JACK PCB 610 AC39 10019A POWER CORD KKP 419C H03VVH2 F VDE KEMA K COMMON AC39 12022K POWER CORD Y352160 H03VVH2 F...

Страница 81: ...ts List 7 6 Samsung Electronics 7 3 Deck Assembly H108 905 H104 H106 H109 H110 H105 H107 H103 H102 H100 H200 H101 H220 H203 H207 H208 904 903 900 H205 H204 900 H209 900 900 901 H201 H206 H220 H210 906 900 H240 H241 1 LD 2 LD ...

Страница 82: ...0 DP 5 H108 AH66 00073A GEAR TRAY POM M90 44 H109 AH66 00079A SLIDER HOUSING DP 5 PBT 2002K H110 AH66 00081A TRAY DISC ABS GF VG4820 BLK DP 5 H200 AH97 00369A ASSY P U DECK DP 5 1 LD DVD 511 AH97 00369B ASSY P U DECK 2LD DP 5 2 LD DVD 611 611B 615 H201 AH97 00410A ASSY BRKT SUB SECC RUBBER MOTOR DP 5 H203 AH61 50327A SHAFT P U DP SUS420J2 OD3 L84 7 S FINISH H204 AH66 00075A GEAR FEED A POM M90 44 ...

Страница 83: ...Exploded Views and Parts List 7 8 Samsung Electronics MEMO ...

Страница 84: ...90 R CHIP 10Kohm 5 1 16W DA TP 1608 MR10 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR11 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR12 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR14 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR15 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR2 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR3 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR4 2007 000074 ...

Страница 85: ...CHIP 10Kohm 5 1 16W DA TP 1608 RR46 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 RR47 2007 000102 R CHIP 100Kohm 5 1 16W DA TP 1608 RR48 2007 000102 R CHIP 100Kohm 5 1 16W DA TP 1608 RR49 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 RR50 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 RR51 2007 000134 R CHIP 33Kohm 5 1 16W DA TP 1608 RR52 2007 000077 R CHIP 470ohm 5 1 16W DA TP 1608 RR53 2007 0003...

Страница 86: ...00090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR71 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR73 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR74 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 SR75 2007 000092 R CHIP 15Kohm 5 1 16W DA TP 1608 SR76 2007 000616 R CHIP 24Kohm 5 1 16W DA TP 1608 SR77 2007 001179 R CHIP 8 2Kohm 5 1 16W DA TP 1608 SR80 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 SR81 2007 ...

Страница 87: ...FILM PEF 1nF 5 50V TP 5x7x2 8mm 5mm AC15 2301 000402 C FILM PEF 1nF 5 50V TP 5x7x2 8mm 5mm AC201 2203 000192 C CERAMIC CHIP 100nF 80 20 50V Y5V TP AC202 2203 000260 C CERAMIC CHIP 10nF 10 50V X7R TP 2012 AC203 2203 000260 C CERAMIC CHIP 10nF 10 50V X7R TP 2012 AC4 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V AC5 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V AC6 2202 002037 C CERAMIC M...

Страница 88: ... FR34 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR35 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR36 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR37 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR43 2001 000793 R CARBON 47OHM 5 1 8W AA TP 1 8X3 2MM FR44 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM FR45 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM FR46 2001 ...

Страница 89: ... 000869 R METAL 3Kohm 1 1 8W AA TP 1 8x3 2mm PRS34 2004 000459 R METAL 2 2Kohm 1 1 8W AA TP 1 8x3 2m PRS54 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M PRS55 2001 000062 R CARBON 470OHM 5 1 4W AA TP 2 4X6 4MM PRS56 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM PTD1 AC26 00001M TRANS SWITCHING 100V 240V DEMCO EE PVA1 1405 000186 VARISTOR 470V 4500A 17x12mm TP PZS51 0403 000717 DIODE ZENER...

Страница 90: ...0nF 80 20 50V Y5V AC7 2301 000402 C FILM PEF 1nF 5 50V TP 5x7x2 8mm 5mm AC8 2301 000402 C FILM PEF 1nF 5 50V TP 5x7x2 8mm 5mm AC9 2203 000192 C CERAMIC CHIP 100nF 80 20 50V Y5V TP AD51 0407 000114 DIODE ARRAY DAN202K 80V 100mA CA2 3 SOT AD54 0401 000101 DIODE SWITCHING 1N4148 100V 200mA DO 35 AD55 0401 000101 DIODE SWITCHING 1N4148 100V 200mA DO 35 AD60 0407 000116 DIODE ARRAY DAP202K 80V 100mA CK...

Страница 91: ...2M FR36 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR37 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR43 2001 000793 R CARBON 47OHM 5 1 8W AA TP 1 8X3 2MM FR44 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM FR45 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM FR46 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2M FR4S 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 FR5 2001 000325 ...

Страница 92: ... 000869 R METAL 3Kohm 1 1 8W AA TP 1 8x3 2mm PRS34 2004 000459 R METAL 2 2Kohm 1 1 8W AA TP 1 8x3 2m PRS54 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M PRS55 2001 000062 R CARBON 470OHM 5 1 4W AA TP 2 4X6 4MM PRS56 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM PTD1 AC26 00001M TRANS SWITCHING 100V 240V DEMCO EE PVA1 1405 000186 VARISTOR 470V 4500A 17x12mm TP PZS51 0403 000717 DIODE ZENER...

Страница 93: ...160gf 6x6mm SPST FSW6 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST 701 AH92 00582A ASSY PCB KEY DVD 511 XAA KEY PCB DVD 511 CON21 AH39 00180A CONNECT WIRE 26 1 FSW1 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST FSW2 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST FSW4 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST FSW5 3404 000165 SWITCH TACT 12V 50mA 160gf 6x6mm SPST FSW6 3404 00016...

Страница 94: ...out SIC1 KS1452 Digital Servo DIC1 KS1453 DVD CD Processor RIC1 KS1461 RF Amp DPD MIC1 TMP95C265F Main Controller FIC1 LC86P6232 Front Controller ZIC1 ZiVA 4 1 A V Decoder CVBS Lt Rt Post Filter Optical A V Decoder AC3 MPEG 5 1 Video Encoder 4DAC AUDIO DSP CSS INPUT FIFO DEMUX AIC1 AK4393 2 CH Audio DAC Down L R Compo Post Filter Y B Pb Post Filter C R Pr Post Filter Comp G Y VIC1 BA7660 6dB AMP S...

Страница 95: ...Block Diagram 9 2 Samsung Electronics MEMO ...

Страница 96: ...Samsung Electronics 10 1 10 PCB Diagrams 10 2 10 3 10 4 10 4 10 1 Main 10 2 Jack 10 3 Key 10 4 Deck ...

Страница 97: ...PCB Diagrams 10 2 Samsung Electronics 10 1 Main COMPONENT SIDE SOLDER SIDE ...

Страница 98: ...PCB Diagrams Samsung Electronics 10 3 10 2 Jack ...

Страница 99: ...PCB Diagrams 10 4 Samsung Electronics 10 3 Key 10 4 Deck 1 LD DVD 511 2 LD DVD 611 DVD 611B DVD 615 DVD 511 DVD 611 DVD 611B DVD 615 ...

Страница 100: ...Samsung Electronics 11 1 11 Wiring Diagram ...

Страница 101: ...Wiring Diagram 11 2 Samsung Electronics MEMO ...

Страница 102: ...12 8 12 9 12 10 12 11 12 12 12 13 12 1 Power 12 2 Main Micom 12 3 Servo 12 4 Video 12 5 Audio 12 6 RF 12 7 ZiVA A V Decoder 12 8 DSP 12 9 Front Micom VFD Display 12 10 Key 12 11 Deck 12 12 Remote Control Block Identification of PCB Main PCB Component Side Jack PCB Conductor Side ...

Страница 103: ...Schematic Diagrams 12 2 Samsung Electronics 12 1 Power ...

Страница 104: ...Schematic Diagrams Samsung Electronics 12 3 12 2 Main Micom ...

Страница 105: ...Schematic Diagrams 12 4 Samsung Electronics 12 3 Servo ...

Страница 106: ...Schematic Diagrams Samsung Electronics 12 5 12 4 Video ...

Страница 107: ...Schematic Diagrams 12 6 Samsung Electronics 12 5 Audio ...

Страница 108: ...Schematic Diagrams Samsung Electronics 12 7 12 6 RF ...

Страница 109: ...Schematic Diagrams 12 8 Samsung Electronics 12 7 ZiVA A V Decoder ...

Страница 110: ...Schematic Diagrams Samsung Electronics 12 9 12 8 DSP ...

Страница 111: ...Schematic Diagrams 12 10 Samsung Electronics 12 9 Front Micom VFD Display ...

Страница 112: ...Schematic Diagrams Samsung Electronics 12 11 12 10 Key ...

Страница 113: ...Schematic Diagrams 12 12 Samsung Electronics 1 LD DVD 511 12 11 Deck 2 LD DVD 611 611B 615 ...

Страница 114: ...Schematic Diagrams Samsung Electronics 12 13 12 12 Remote Control ...

Страница 115: ...Schematic Diagrams 12 14 Samsung Electronics MEMO ...

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Samsung DVD-611, Руководство по обслуживанию

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