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Samsung DVD-HD850/XAA Service Manual

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ELECTRONICS
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
international and/or domestic law.
© Samsung Electronics Co., Ltd. JAN . 2005
Printed in Korea
AK82-00702A

DVD PLAYER

Chassis : Spino Hyper Vision
DVD-HD850/XAA
SERVICE
DVD PLAYER
EZ VIEW
DVD-HD850
Manual
Merit & Character regarding Product
Π45mm With VFD
Œ
´ Front Panel with Haif-Mirror
´
ˇ ZORAN Vaddis7 1-Chip Solution
ˇ
¨ HDMI(High-Definition Multimedia Interface)
¨

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Summary of Contents for Samsung DVD-HD850/XAA

  • Page 1: Dvd Player

    ¨ HDMI(High-Definition Multimedia Interface) EZ VIEW DVD-HD850 © Samsung Electronics Co., Ltd. JAN . 2005 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable international and/or domestic law.

  • Page 2: Table Of Contents

    CONTENTS 1. Precautions (1-1 ~ 1-6) 2. Product Specification (2-1 ~ 2-12) 3. Alignment and Adjustments (3-1 ~ 3-4) 4. Disassembly and Reassembly (4-1 ~ 4-10) 5. Trouble Shooting (5-1 ~ 5-8) 6. Exploded View and Parts List (6-1 ~ 6-6) 7.

  • Page 3: Precautions

    Metal Part cal return path to the chassis. Any current measured must not exceed 0.5mA. Reverse the instrument power cord plug in the out- ohmmeter let and repeat the test. See Fig. 1-1. Fig. 1-2 Insulation Resistance Test Samsung Electronics...
  • Page 4 (5) antenna wiring. Always inspect in all areas tinuously and new instructions are issued whenev- for pinched, out-of-place, or frayed wiring, Do not er appropriate. change spacing between a component and the printed-circuit board. Check the AC power cord for damage. Samsung Electronics...

  • Page 5: Servicing Precautions

    Components identi- fied by shading, by( ) or by ( ) in the circuit dia- gram are important for safety or for the characteris- tics of the unit. Always replace them with the exact replacement components. Samsung Electronics...
  • Page 6 (6) Do not remove a replacement ESD device from its protective package until immediately before your are ready to install it.(Most replacement ESD devices are packaged with leads electrically short- ed together by conductive foam, aluminum foil or comparable conductive materials). Samsung Electronics...
  • Page 7 ◆ 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. Samsung Electronics...
  • Page 8 3) Make solder land 2 points short on Pick-up. (See Fig. 1-4) 4) Disassemble the Pick-up. Note : If the assembly and disassembly are not done in correct sequence, the Pick-up may be damaged. SOLDER LAND 2 POINTS SHORT PICK-UP ASS'Y Fig. 1-4 Samsung Electronics...

  • Page 9: Product Specification

    High Definition Multimedia Interface 2 Channel L(1/L), R(2/R) 48KHz Sampling : 4Hz to 22KHz *Ferquency Response 96KHz Sampling : 4Hz to 44KHz *S/N Ratio 110dB Audio Output *Dynamic Range 100dB *Total Harmonic Distortion 0.004% * : Nominal specification Samsung Electronics...

  • Page 10: Chassis Product Specification

    Product Specification 2-2 Chassis Product Specification DVD-HD941/XAA Model DVD-HD850/XAA DVD-HD841/XAA Flash Ti-D Ti-D Ti-D D rive F AN8026 FAN8026 FAN8026 Z R36778 ZR36778 ZR36778 6dB_AMP L A73054 LA73054 PCM1753 H D/DV Z R36721 FLI2301 ZR36721 D SD1608 DSD1608 S ACD...
  • Page 11 Product Specification 2-3 Option Product Specification Description Parts No Remark Description Fig Remote (AK59-00038A) Control Batteries for (AC43-12002H) Remote Control (AAA Size) User ’ s Manual (AK68-00627A) V ideo/Audio (AC39-42001R) Cable (MF39-00299A) HDMI Cable Samsung Electronics...
  • Page 12 Reflective layer Semi-reflective layer Polycarbonate Polycarbonate Dual Side Single Layer : 9.5GByte Dual Side Dual Layer : 17GByte Polycarbonate Polycarbonate Semi-reflective layer Reflective layer Reflective layer Bonding layer Bonding layer Reflective layer Reflective layer Semi-reflective layer Polycarbonate Polycarbonate Samsung Electronics...
  • Page 13 Read Only Multi-functional, multi-midia software that requires large storage capacity. DVD-Audio Playback Only High quality sound that exceeds the CD, multi-channel Audio. DVD-R 1 Time Recording Storage media for the computer. DVD-RAM Rewritable Data access/storage media for the computer. Samsung Electronics...
  • Page 14 Recording type Dolby Digital Linear PCM MPEG-1 Layer 2 AUDIO Transmission rate 448Kbps/stream 6.144Mbps/stream 224Kbps 1 Analog CH. Channel 5.1CH/stream 8CH/stream 1 Stream of Dolby Digital 2 Digital CH. (16Bit/44.1KHz) Sampling frequency 48KHz 16, 20, 24Bit/48, 96KHz 16Bit/44.1KHz Samsung Electronics...
  • Page 15 Data loss and enables efficient compression. Time ◆ MPEG-1 (Fixed compression : Max. 1/140) Loss area Amount of data ✓ Frame unit compression. ✓ Compresses all data using the same ratio. Video-CD - Fast movements are jagged, and unnatural Time Samsung Electronics...
  • Page 16 ✓ Various Digital Recordings are possible as shown in the table to the right. Sampling Frequency Bit Rate 16bit 48KHz 20bit 24bit 16bit 96KHz 20bit 24bit ◆ Dolby Digital compatible Audio Mode Channel Format Audio Coding Front Surround (Rear) Remark Mode Mono Stereo Mono Mono Surround Samsung Electronics...
  • Page 17 ◆ Up to 9 angles of view may be stored, enabling the viewer to select a specific viewpoint at a given time. --> Especially, for the Music Video and Sports Title, this provides a more lively image of the scene. Note ; Only enable to be worked correctly by an appropriate data supported this function in Disc. Samsung Electronics...
  • Page 18 ✓ Region 6 : China. ✓ Region 0 : Worldwide (All Code) ˆ Œ ´ Œ Ø ´ Œ ˇ ˆ ¨ ´ ¨ ◆ Adoptation of the Macrovision System disables the copying on to other media. Samsung Electronics 2-10...
  • Page 19 ✓ Different Authoring Process are used accoring to the Software developers, and this may affect the DVD image quality. ⌘ Authoring Process bit stream Video/Audio MPEG-2 Master Encoding Disc Production bit stream Video/Audio Surround Audio AC-3/MPEG Audio Cutting Subtitle Master Encoding Master Multiplexing bit stream Subtitle Subtitle Master Encoding Authoring Process Samsung Electronics 2-11...
  • Page 20 Product Specification MEMO Samsung Electronics 2-12...

  • Page 21: Alignment And Adjustments (3-1 ~ 3-4)

    3. Alignment and Adjustment 3-1 Location of Test Point RIC1 SP37239 RIC1 SP37239 Pin29 of RIC1 Fig. 3-1 Location of Test Point Samsung Electronics...

  • Page 22: Skew Adjustment

    Test Point Adjustment Location TDV-533 “Pin 29 of RIC1” Screw A / B Chapter 14 Flat Waveform (Main PCB - Component Side) Ass’y Deck - Top Side (See Fig. 3-1) (See Fig. 3-2) Fig. 3-2 Ass’y Deck (Top Side) Samsung Electronics...
  • Page 23 If you cannot obtain a Flat waveform, then the unit is defective. Note : The Deck must be in a horizontal position. Use both “A” and “B” screws to adjust. Typical Waveform before Adjustment Waveform after Correct Adjustment Fig.3-3 Envelope Waveform Samsung Electronics...
  • Page 24 Alignment and Adjustment MEMO Samsung Electronics...

  • Page 25: Disassembly And Reassembly

    Note : Reassembly in reverse order. 4-1-1 Top Cabinet Removal 1) Remove 4 Screws Œ, ´ the back Top Cabinet. 2) Lift up the Top Cabinet in direction of arrow. Œ 3 SCREWS ´ 1 SCREW Fig. 4-1 Top Cabinet Removal Samsung Electronics...
  • Page 26 4-1-2 Ass’y Front-Cabinet Removal 1) Remove 2 Screws ˆ. 2) Release 5 Hooks Œ, ´, ˇ and Remove the Ass’y Front-Cabinet ¨. ˆ 2 SCREWS ´ 1 HOOK Œ 3 HOOKS ¨ A'ssy Front-Cabinet ˇ 1 HOOK Fig.4-2 Ass’y Front-Cabinet Removal Samsung Electronics...
  • Page 27 4-1-3 Ass’y Deck Removal 1) Disconnect Flat-Cable from DCN1, DCN2 on Main PCB. 2) Remove 3 Screws Œ from the Ass’y Deck and lift it up. Œ 3 SCREWS ASS'Y-DECK FLAT-CABLE DCN1 DCN2 Fig. 4-3 Ass’y Deck Removal Samsung Electronics...
  • Page 28 Disassembly and Reaasembly 4-1-4 Main PCB Removal 1) Remove 5 Screws Œ. 2) Lift up the Main PCB ´ and Power Key PCB ˇ Œ 5 SCREWS ˇ Power Key PCB ´ MAIN PCB Fig. 4-4 Main PCB Removal Samsung Electronics...
  • Page 29 4-2-1 Holder Chuck Removal 1) Push 4 Hooks Œ in the direction of arrow “A” and lift up the Holder Chuck ´. ´ HOLDER CHUCK Œ 2 HOOKS "A" Œ 2 HOOKS "A" Fig. 4-5 Holder Chuck Removal Samsung Electronics...
  • Page 30 1) Insert a Screw Driver Œ into Emergency Hole ´ and push the Slider Housing ˇ in the direction arrow “A”. 2) When the Tray Disc ¨ comes out a little, pull it in the direction arrow “B” by hand. ˇ SLIDER HOUSING ¨ TRAY DISC "B" "A" ´ EMERGENCY HOLE Œ SCREW DRIVER Fig.4-6 Tray Disc Removal Samsung Electronics...
  • Page 31 ´ 1 SCREW ˇ ASS'Y P/U DECK ¨ CHASSIS SUB <Assembly Point> SP + (RED) Œ 4 SOLDERING SP - (BLK) TM - (BLK) SL - (BLK) TM + (BLK) SL + (RED) Fig. 4-7 Assy P/U Deck Removal Samsung Electronics...
  • Page 32 ∏ 2 SCREWS Ô GEAR TRAY ˝ GEAR PULLEY "D" ’ 1 HOOK "C" ´ 2 HOOKS ˆ 1 HOOK ” ASS'Y MOTOR LOAD "A" "A" ˇ ASS'Y PCB DECK Œ 2 SOLDERING Fig. 4-8 Ass’y Housing Removal Samsung Electronics...
  • Page 33 Ú 2 SCREWS Ø MOTOR FEED ˇ HOOK ASS'Y "B" ∏ 2 SCREWS ˆ 2 SCREWS Œ HOOK "A" CHASSIS SUB ¨ GEAR FEED A ´ GEAR FEED B ” MOTOR SPINDLE Fig. 4-9 Ass’y Bracket Deck Removal Samsung Electronics...
  • Page 34 Disassembly and Reaasembly MEMO 4-10 Samsung Electronics...

  • Page 35: Troubleshooting

    5. Troubleshooting Samsung Electronics...
  • Page 36 Troubleshooting Samsung Electronics...
  • Page 37 Troubleshooting Samsung Electronics...
  • Page 38 Troubleshooting Samsung Electronics...
  • Page 39 Troubleshooting Samsung Electronics...
  • Page 40 Troubleshooting Samsung Electronics...
  • Page 41 Troubleshooting Samsung Electronics...
  • Page 42 Troubleshooting Samsung Electronics...

  • Page 43: Exploded View And Parts List

    6-2 DVD Mechanical Parts - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-4 Samsung Electronics...
  • Page 44 Exploded View and Parts List 6-1 Cabinet Assembly W272 C015 W275 W275 P006 P001 W272 P025 A001 C001 W004 P005 C002 Samsung Electronics...
  • Page 45 Loc. No Parts No. Description ; Specification Remark A001 AK59-00038A REMOCON-ASSY;DVD-HD850/XAA,XAA,218*55*21 C001 AK97-01101A ASSY CABINET-FRONT;HIPS 94 V2,DVD-HD850/ C002 AK64-00739B DOOR-TRAY;DVD-HD850/XAA,SEIN,ABS 94 HB,T C015 AK97-01262A ASSY CABINET-TOP;PCM T0.55,DVD-HD850/XAA P001 AK92-00596A ASSY PCB-MAIN;DVD-HD850,MAIN PCB ASSY P005 AK92-00597A ASSY PCB-FRONT KEY;DVD-HD850,ASSY PCB-FR P006 AK92-00597B ASSY PCB-POWER KEY;DVD-HD850,ASSY PCB-PO...

  • Page 46: Dvd Mechanical Parts

    Exploded View and Parts List 6-2 DVD Mechanical Parts W212 H213 H212 H102 W012 H241 H206 H211 H203 H214 W273 H210 W010 W274 H202 W274 H204 H205 H105 H107 H207 H106 H103 W011 H108 H104 H109 Samsung Electronics...
  • Page 47 MOTOR-FEED ASSY;-,DP-9,-,-,-,-,-,-,-,-,- H211 AK97-01009B ASSY-PICK UP;-,DP-16,MITSUMI VE H212 AK61-00359A HOLDER-CHUCK;DP-16,POM,T3,W140,L96,BLK,- H213 AK61-00357A SPRING ETC-CLAMPER;-,SUS304CSP,-,-,-,-,- H214 AK66-00057A GEAR-BACKLASH;DP-16,POM,0.5,-,-,WHT,-,RA H241 AK41-00250B FFC-PU;DP-16,HYPER,PET 0.037mm,23P,0. W010 6003-001157 SCREW-TAPTITE;PWH,+,B,M2,L6,ZPC(YEL),SWR W011 6001-001370 SCREW-MACHINE;CH,+,M1.7,L3.0,ZPC(YEL),SW W012 6002-001086 SCREW-TAPPING;PH,+,B,M1.7,L5.0,ZPC(YEL), W212 6003-001251 SCREW-TAPTITE;CH,+,B,M1.7,L3,ZPC(YEL),SW W273 6003-000233 SCREW-TAPTITE;PH,+,B,M2,L6,ZPC(BLK),SWRC W274 6001-001730 SCREW-MACHINE;BH,+,M1.7,L2.5,ZPC(YEL) Samsung Electronics...
  • Page 48 Exploded View and Parts List MEMO Samsung Electronics...

  • Page 49: Electrical Parts List

    R-CHIP;100Kohm,5%,1/10W,TP,1608 FMQ54 0501-000341 TR-SMALL SIGNAL;KSC1623-L,NPN,200mW,SOT- AR66 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 FMR07 2007-000078 R-CHIP;1Kohm,5%,1/10W,TP,1608 DC14 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 FMR071 2007-000078 R-CHIP;1Kohm,5%,1/10W,TP,1608 DCN1 3708-000491 CONNECTOR-FPC/FFC/PIC;23P,1mm,STRAIGHT,S FMR072 2007-000072 R-CHIP;47ohm,5%,1/10W,TP,1608 DCN2 3708-001266 CONNECTOR-FPC/FFC/PIC;11P,1MM,STRAIGHT,S FMR1 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 50 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 PCF11 2401-002608 C-AL;33uF,20%,35V,GP,TP,5x11,5 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 PCF20 2201-000379 C-CERAMIC,DISC;22NF,+80-20%,50V,Y5V,TP,9 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 PCNS2 3711-000203 CONNECTOR-HEADER;1WALL,2P,1R,7.92MM,STRA 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 PCS32 2301-000129 C-FILM,LEAD-PEF;100nF,5%,50V,TP,10X9X4.3 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 PDD35 0402-001195 DIODE-RECTIFIER;F1T4,400V,1A,DO-204AC,TP 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 PDF13 0402-001195 DIODE-RECTIFIER;F1T4,400V,1A,DO-204AC,TP Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 51 0504-000152 TR-DIGITAL;KSR2101,PNP,200mW,4.7K/4.7K,S 2203-001103 C-CER,CHIP;6.8nF,10%,50V,X7R,TP,1608,- PQL57 0504-000126 TR-DIGITAL;KSR1101,NPN,200mW,4.7K/4.7K,S 2203-001634 C-CER,CHIP;33nF,10%,50V,X7R,TP,1608,1.6m PQL58 0501-000303 TR-SMALL SIGNAL;KSA733,PNP,250mW,TO-92,T 2203-001607 C-CER,CHIP;0.22nF,5%,50V,NP0,-,1608 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 PRC62 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,1608 0407-000116 DIODE-ARRAY;DAP202K,80V,100mA,CK2-3,SOT- PRD31 2007-000122 R-CHIP;1.2Kohm,5%,1/10W,TP,1608 2401-002165 C-AL;100uF,20%,16V,GP,TP,6.3x7,5 Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 52 IC-CMOS LOGIC;74VHCT125A,BUFFER,TSSOP,14 VR44 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ZIC5 1103-001134 IC-EEPROM;24C040,512x8,SOP,8P,5.13x3.95m VR50 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 2007-000113 R-CHIP;33ohm,5%,1/10W,TP,1608 VR51 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 2007-000779 R-CHIP;33ohm,1%,1/10W,TP,1608 VRJ2 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 3301-001419 BEAD-SMD;-,220,-,500,TP,-,0.3 VRJ9 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ZL11 3301-001309 BEAD-SMD;47OHM,1608,500,TP,-,-,0.3 Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 53 2801-003554 CRYSTAL-UNIT;27MHz,10ppm,28-AAM,12pF,40o P005 AK92-00597A ASSY PCB-FRONT KEY;DVD-HD850,ASSY PCB-FR FCON1 3708-001050 CONNECTOR-FPC/FFC/PIC;6P,1.25MM,ANGLE,SN FKEY1 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST FKEY2 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST FKEY3 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST FKEY4 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST FKEY5 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST FKR1 2001-000007 R-CARBON;3KOHM,5%,1/8W,AA,TP,1.8X3.2MM Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 54 Electrical Parts List MEMO Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 55 (FAN8026) ZORAN (LA73054) (Vaddis-7) Post Filter (ZR36778QC) RIC1 R/F IC A/V Decoder (ZR3723D) & DVD-Audio Optical MAIN-MICOM Coaxial AIC2 LPF/AMP Audio DAC LPF/AMP (PCM 1753) ZIC2 SDRAM 64MB 16Bit Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 56 Block Diagram MEMO...
  • Page 57 9. Wiring Diagram Samsung Electronics...
  • Page 58 Wiring Diagram MEMO...
  • Page 59 10. PCB Diagrams 10-1 Main PCB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-2 10-2 Key PCB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-4...
  • Page 60 PCB Diagrams 10-1 Main PCB COMPONENT SIDE 10-2...
  • Page 61 PCB Diagrams CONDUCTOR SIDE 10-3...
  • Page 62 PCB Diagrams 10-2 Key PCB 10-4...

  • Page 63: Schematic Diagrams

    Components identified with the mark have the special characteristics for safety. When replacing any of these components. Use only the same type. Block Identification of PCB Main PCB (Component Side) Samsung Electronics This Document can not be used without Samsung’s authorization. 11-1...

  • Page 64: Power Drive

    Schematic Diagrams 11-1 Power Drive 11-2 This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 65: Fromt Micom

    Schematic Diagrams 11-2 Fromt Micom ˝ F/M-Deloder(SSC) MRST ˝SCLK Waveform These are the waveforms of DVD-HD850. Caution) There can be some differences (Voltage, Frequency, etc.) among cameras. Samsung Electronics This Document can not be used without Samsung’s authorization. 11-3...
  • Page 66 Digital Video Data Audio Data Ø ” Ø GCLK-27MHz Waveform ” PCLK-135MHz Waveform These are the waveforms of DVD-HD850. Caution) There can be some differences (Voltage, Frequency, etc.) among cameras. 11-4 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 67 Schematic Diagrams 11-4 HDMI MRST Analog Video Data Digital Video Data Audio Data Samsung Electronics This Document can not be used without Samsung’s authorization. 11-5...
  • Page 68 Schematic Diagrams 11-5 Servo 11-6 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 69 Schematic Diagrams 11-6 Video Ú Analog Video Data Ú ADATA0 Waveform These are the waveforms of DVD-HD850. Caution) There can be some differences (Voltage, Frequency, etc.) among cameras. Samsung Electronics This Document can not be used without Samsung’s authorization. 11-7...
  • Page 70 Schematic Diagrams 11-7 Audio Audio Data 11-8 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 71 Input : Common power to transformer (Vp). Fig. 13-2 The output Vs of transformer is determined by the ratio of 1st Np and 2nd Ns. Vs = (Ns/Np) x Vp Fig. 13-3 Vout Vout is output (DC) by diode and condensor. Fig. 13-4 Samsung Electronics 13-1...
  • Page 72 Fig. 13-6 ◆ 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 13-2 Samsung Electronics...
  • Page 73 Vb is inducted to base winding coil NB. By inducted Vb, Ib start flow and the V voltage of PQR11 is sustained stable. Ib is constant and I increases in Proportion to time. After constant time passed Ib become to shortage and PICF1 is cut OFF (S/W OFF). Samsung Electronics 13-3...
  • Page 74 Circuit Operating Descriptions PTDI PDS34 Vout PES34 Snubber Drain Softs POWER-CTL Mos-Fet Icease VD-G < < PICF1 Fig. 13-8 Driving Circuit 13-4 Samsung Electronics...
  • Page 75 PICS1 F-B Voltage increase --> OUT DUTY increase TRANS Primary Cuttent Increase --> TRANS Primary Power increase --> Vout increase --> Vout maintain 4.4V - PRD31, PRD32 : Reduce 4.4V overshoot. - PRS32, PCS32 : Prevent PICS2 oscillation (for phase correction). Samsung Electronics 13-5...
  • Page 76 Converter Removal 5V Rectified 5V Rectified (SNUBBER) VoltageCircuit (x2) Smoothing Circuit Rectified Circuit Motor 8V 1 Port PWM IC Control Circuit Line Filter 12V Rectified 8V Rectified VoltageCircuit Feed Smoothing Circuit Back Circuit Power IN (AC85V~240V) Fig.13-10 13-6 Samsung Electronics...
  • Page 77 Fig. 13-11 shows the flow of signal generated by the pick-up. RF signal detected from pick-up is converted in to RF signal via RF interface and attennuators. A, B, C, D signals detected from pick-up are converted in to FE, TE, PI, CE, DEFECT signals. Fig. 13-11 Samsung Electronics 13-7...
  • Page 78 Circuit Operating Descriptions Fig.13-12 shows the waveform-equalizing block diagram for the RF signal. RF signal from the pick-up is the input of RF equalizer module of RIC1 (SP3723). RFSIN RF (FROM P/U) RFAC RF EQ Fig.13-12 13-8 Samsung Electronics...

  • Page 79: Block Diagram

    13-3-2 Block Diagram RIC1 AIC1 RF AMP D/A CONVERTER (SP3723) (DSD1608) ZIC1 MPEG DECODER CPU (VADDIS 7) DATA BUS ZIC5 ZIC3 ADDRESS EEPROM FLASH MEMORY (4K bit) 2 Mbyte Fig. 13-13 Samsung Electronics 13-9...
  • Page 80 SLED motor moves slightly (and counteracts the incline). 4) CLV SERVO (DISC Motor Control SERVO) : Controls the disc motor to maintain a constant linear velocity (necessary for RF signal). 13-4-2 Block Diagram 13 14 FIC1 POWER OPEN ZIC1(Vaddis 6E) ZIC1(Vaddis 6E) CLOSE Fig.13-14 13-10 Samsung Electronics...
  • Page 81 Meanwhile, DVD repeats the track jump from 1 to 4 in inner direction at normal play (because data- read speed from disc is faster than data output speed on screen). ´ For CD, VCD Receive the signal output through E, F of Pick-up, from ZIC1. The tracking error signal is similar to DVD. Samsung Electronics 13-11...
  • Page 82 If the existing track count is within fine seek range, tracking begins using fine seek. 4) CLV SERVO(DISC MOTOR CONTROL SERVO) Input RF signal (from Pick-up) to ZIC1 pin 172, 173. Detect SYNC signal from RF in ZIC1, and output PWM signal to ZIC1 pin 189 for constant linear velocity. 13-12 Samsung Electronics...
  • Page 83 The basic operation repeats to perform as described above. 13-5-2 Block Diagram 68M bit 8026 16M bit Fig.13-16 Samsung Electronics 13-13...

  • Page 84: Av-Decoder

    CVBS, Y, C, R, Pb(B), Pr(R) outputted from video encoder are inputted to VIC1 (Pin 2, 8, 6, 16, 14). The signal to which gain is adjusted by amplifier is outputted from jack via 75ohm Resistance (VR11~VR16). 13-14 Samsung Electronics...

  • Page 85: Audio

    If you want to listen to the multichannel output, you have to connect digital output with AC-3 amp or MPEG/DTS amp. Mixed Audio Output (2-Channel) DATA0 ZIC1 AIC1 POST FILTER LRCK (Vaddis 7) PCM1753 A/V Decoder D/A CONVERTER POST FILTER Fig. 13-18 Audio Output Block Diagram Samsung Electronics 13-15...
  • Page 86 Circuit Operating Descriptions MEMO 13-16 Samsung Electronics...

  • Page 87: Reference Information

    - D VDs - Digital displays - Plasma, LCD, DLP, LCOS - Digital interactiv ity - PVRs, MHP, OCAP But Devices Still Have Analog Interfaces Composite S-Video Component Di gital 1950 1960 1970 1980 1990 2000 Samsung Electronics 14-1...
  • Page 88 – Difficult to adequately pr otect analog interfaces – Digital interfaces can encrypt data for su perior content protection Introducing … The new standard for connecting HDTV that provides: H igh Definition Video, plus Dig ital Au d io 14-2 Samsung Electronics...
  • Page 89 -Pure digital picture and sound direct from the source (as it was meant to be seen and heard) Only one cable required -All your HD video and audio in one cable -Replace up to 8 audio and 5 video cables Samsung Electronics 14-3...
  • Page 90 Band width to spare for HDTV – 1080p capable and beyond – Over two times 1080i bandwidth Includes YUV color space support One Cable Replaces Many BEFORE DVD Player, Set- top box, & AV Re ceiver AFTER Equivalent functions Higher performance 14-4 Samsung Electronics...
  • Page 91 Video source receives the display’s supported video formats, and ou tputs the optimal audio & video format Display regularly receives video format & aspect ratio from sources 16:9 Display w/ no Intelligence 16:9 Display with Intelligence DVD : Widescreen Format Samsung Electronics 14-5...
  • Page 92 3 — 5 m 10 — 15 m 10 — 15+ m Digita l Video 8-bit RGB 8-bit YUV 10/12-bit YUV Digita l A u dio Compressed Uncompr essed Control CE Control PC Compatibility DVI Electri cal Content Protection HDCP 14-6 Samsung Electronics...
  • Page 93 Reference Information HDMI – The HD Connection Standard All Digital. Single Cable. Samsung Electronics 14-7...
  • Page 94 Reference Information MEMO 14-8 Samsung Electronics...

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