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Samsung DVD-P721M Service Manual

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ELECTRONICS
© Samsung Electronics Co., Ltd. MAY. 2002
Printed in Korea
AK82-00210A

DVD PLAYER

Chassis : Sellino
DVD-P721M
SERVICE
DVD PLAYER
MEMORY STICK
SCREEN FIT
Manual
CONTENTS
7. PCB Diagrams

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Summary of Contents for Samsung DVD-P721M

  • Page 1: Table Of Contents

    2. Disassembly and Reassembly 3. Troubleshooting 4. Exploded Views and Parts List 5. Electrical Parts List 6. Block Diagram 7. PCB Diagrams 8. Wiring Diagram MEMORY STICK SCREEN FIT 9. Schematic Diagrams © Samsung Electronics Co., Ltd. MAY. 2002 Printed in Korea AK82-00210A...

  • Page 2: Precautions

    Melal 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 3 (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 4: Servicing Precautions

    Components i-enti- 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 5 (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 6 ♦ 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 7 3) Make solder land 2 points short on Pick-up. (See Fig. 1-4) 4) Disassembly the Pick-up. Note : If the assembly and disassembly are not done in correct sequence, the Pick-up may be damaged. PICK-UP ASS'Y SOLDER LAND 2 POINTS SHORT Fig. 1-4 Samsung Electronics...

  • Page 8: Disassembly And Reassembly

    Note : Reassembly in reverse order. 2-1-1 Top Cabinet Removal 1) Remove 3 Screws Πon the back Top Cabinet. 2) Lift up the Top Cabinet in direction of arrow. Π3 SCREWS Fig. 2-1 Top Cabinet Removal Samsung Electronics...
  • Page 9 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" "B" ˇ EMERGENCY HOLE ¨ SCREW DRIVER <Side View> Fig. 2-2 Door-Tray Removal Samsung Electronics...
  • Page 10 Ò HEADPHONE PCB ˇ 1 HOOK ´ 2 HOOKS ’ 6 SCREWS Œ KNOB-VOLUME ˝ KEY PCB Ô MEMORY STICK PCB ¨ 1 HOOK ˆ 2 HOOKS ” KNOB-SHUTTLE Ø ASS'Y FRONT-CABINET ∏ KNOB-JOG Fig. 2-3 Ass’y Front-Cabinet Removal Samsung Electronics...
  • Page 11 1) Disconnect Flat-Cable,Connect-Wire from DCN1, DCN2 and DCN3 on Main PCB. 2) Remove 3 Screws Œ from the Ass’y Deck and lift it up. Œ 3 SCREWS DECK-ASS'Y FLAT-CABLE CONNECT-WIRE JACK PCB PCN1 DCN1 MAIN PCB DCN2 DCN3 Fig. 2-4 Ass’y Deck Removal Samsung Electronics...
  • Page 12 1) Remove 3 Screws Œ, ´ and lift up the Jack PCB ˇ. 2) Remove 3 Screws ¨ and lift up the Main PCB ˆ. Œ 2 SCREWS ˇ JACK PCB ¨ 3 SCREWS ˆ MAIN PCB ´ 1 SCREW Fig. 2-5 Main PCB, Jack PCB Removal Samsung Electronics...

  • Page 13: Pcb Location

    Disassembly and Reaasembly 2-2 PCB Location JACK PCB HEADPHONE PCB MAIN PCB MEMORY STICK PCB KEY PCB Fig. 2-6 PCB Location Samsung Electronics...
  • Page 14 MAIN PCB JACK PCB ’ ˝ PCN1 MAIN PCB JACK PCB PCNS1 Ô  JACK PCB KEY PCB KCN1 Ò Ú MSCN1 MAIN PCB MEMORY STICK PCB MSJ1 Æ ı HCN1 JACK PCB HEADPHONE PCB Fig. 2-7 Connector Diagram Samsung Electronics...
  • Page 15 3) Pull the Tray Disc ¨ to disassemble , while simultaneously pushing 2 Stoppers ˆ (left, right) in the direction arrow “C”, “D”. ˆ STOPPER ˇ SLIDER HOUSING "C" ¨ TRAY DISC "B" "A" Œ SCREW DRIVER "D" ´ EMERGENCY HOLE ˆ STOPPER Fig. 2-8 Tray Disc Removal Samsung Electronics...
  • Page 16 2) Lift down the Assy P/U Deck ˇ while simultaneously pushing 2 Hooks ¨, ˆ in the direction of arrow “A”, “B”. ¨ HOOK "A" ˆ HOOK "B" <Assembly Point> Œ DCN2 SLIDER HOUSING ´ DCN3 ˇ ASSY- P/U DECK Fig. 2-9 Assy P/U Deck Removal Samsung Electronics...
  • Page 17 ´ HOOK ˆ SLIDER HOUSING "A" ¨ GEAR TRAY ˇ PULLEY GEAR Œ BELT Ô HOOK ” MOTOR LOAD ASSY ˝ HOUSING PCB "C" Ø SOLDERING "C" "C" ’ 3 HOOKS <Bottom Side> Fig. 2-10 Housing Ass’y Removal 2-10 Samsung Electronics...
  • Page 18 1) Remove the Soldering of Motor Feed (+, - wire) Œ. 2) Remove the 4 Screws ´. 3) Lift up the Ass’y Brkt Deck ˇ. ´ 4 SCREWS ˇ ASSY-BRAK DECK Œ SOLDERING OF MOTOR FEED (+, - WIRE) Fig. 2-11 Sub Chassis Removal Samsung Electronics 2-11...
  • Page 19 ˝ MOTOR SPINDLE ˆ SHAFT PICK-UP Ø PICK-UP ASS'Y ¨ 2 SCREWS ’ SPRING SPINDLE Œ WASHER ´ GEAR FEED B ∏ 1 SCREW ” 2 SCREWS ˇ GEAR FEED A Fig. 2-12 Ass’y Brkt Deck Removal 2-12 Samsung Electronics...

  • Page 20: Troubleshooting

    3. Troubleshooting Samsung Electronics...
  • Page 21 Troubleshooting Samsung Electronics...
  • Page 22 Troubleshooting Samsung Electronics...
  • Page 23 Troubleshooting Samsung Electronics...
  • Page 24 Troubleshooting Samsung Electronics...
  • Page 25 Troubleshooting Samsung Electronics...
  • Page 26 Troubleshooting Samsung Electronics...
  • Page 27 Troubleshooting Samsung Electronics...
  • Page 28 Troubleshooting Samsung Electronics...
  • Page 29 Troubleshooting 3-10 Samsung Electronics...
  • Page 30 4. Exploded View and Parts List Page 4-1 Cabinet Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-2 Deck Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 31: Exploded Views And Parts List

    Exploded Views and Parts List 4-1 Cabinet Assembly DECK-DVD MECHA (S.N.A.) CN1B 601 (ASSY-PCB-MAIN) 602 (ASS'Y-PCB-JACK) S.N.A. (ASS'Y CABINET-BOTTOM) S.N.A. : Service Not Available UT01 M. STICK SLOW UT02...
  • Page 32 CLAMP CORE;DVD-M101,NYLON 66,-,-,-,- AH64-00933Q CABINET-TOP;DVD-A921M/XAA,PCM T0.65,-,-, 6003-000275 SCREW-TAPTITE;BH,+,B,M3,L10,BLK ,SWCH101 6003-000262 SCREW-TAPTITE;BH,+,B,M3,L6,CBLACK,SWRCH1 6003-000276 SCREW-TAPTITE;BH,+,B,M3,L10,ZPC(YEL),SWC AH92-01545A ASSY PCB-MAIN;DVD-A921M/XAA,MAIN PCB,USA AK92-00009A ASSY PCB-JACK;DVD-P721M/XAA,JACK PCB ASS AC39-10200N POWER CORD;EP2,SPT-2,AWG#18,1.8MT,WAFER, AK92-00043B ASSY PCB-KEY;DVD-P721M,KEY PCB ASS’Y AK92-00043A ASSY PCB-M-STICK;DVD-P721M,M-STICK AK92-00043C ASSY PCB-HP;DVD-P721M,HEADPHONE UT01 AH59-00093V REMOCON-ASS’Y;DVD-P721M/XAA,-,-,-,-,-,-, UT02 AH59-01043A REMOCON-ASS’Y;DVD-S321/XAA,-,-,-,-,-,-,-...

  • Page 33: Deck Assembly

    Exploded Views and Parts List 4-2 Deck Assembly H107 H105 H106 H103 H102 S.N.A. H108 H212 H104 H241 H250 H211 H203 H207 H208 H202 S.N.A. H204 H206 H205 H210 H209...
  • Page 34 Exploded Views and Parts List Loc. No Parts No. Description ; Specification Remark 6003-001157 SCREW-TAPTITE;PWH,+,B,M2,L6,ZPC(YEL),SWR 6001-001522 SCREW-MACHINE;FH,+,M2.6,L7,ZPC(YEL),SWRC 6009-001245 SCREW-SPECIAL;SWRCH18A,NYLOCK,SOCKET,HEX 6001-001466 SCREW-MACHINE;BH,+,M2,L6,ZPC(BLK),SWRCH1 6001-001257 SCREW-MACHINE;PWH,+,M1.7,L3,ZPC(YEL),SWR AH60-00010A SCREW-MACHINE-MOTOR;-,+,SWCH18AK,M1.7,L2 H102 AH66-00111B CLAMPER-ASSY;DP-5,POM+MAGNET,-,-,-,-,-,- H103 AH66-00123A PULLEY-GEAR;DP-7,POM M90-44,-,-,-,-,-,- H104 AH31-00024A MOTOR-LOAD ASSY;SM-2412L2,DP-7,-,-,-,-,- H105 6602-001076 BELT-RECTANGULAR;CR,T1.2,4.3%,1.2X25.1,B H106 AH66-00124A GEAR-TRAY;DP-7,POM,M90-44,-,-,-,-,-,-,- H107...
  • Page 35 Exploded Views and Parts List MEMO...

  • Page 36: Electrical Parts List

    CONNECTOR-FPC/FFC/PIC;24P,1MM,STRAIGHT,S 2007-000074 R-CHIP;100ohm,5%,1/16W,DA,TP,1608 DCN2 3708-001695 CONNECTOR-FPC/FFC/PIC;13P,1MM,STRAIGHT,S MR40 2007-000084 R-CHIP;4.7Kohm,5%,1/16W,DA,TP,1608 DCN3 3711-001018 CONNECTOR-HEADER;BOX,5P,1R,2mm,STRAIGHT, MR41 2007-000084 R-CHIP;4.7Kohm,5%,1/16W,DA,TP,1608 DCR1 AH61-01143A CASE-SHEILD EMI;DVD-P721M,SECC T0.3,T0.3 2007-000090 R-CHIP;10KOHM,5%,1/16W,DA,TP,1608 0407-000116 DIODE-ARRAY;DAP202K,80V,100mA,CK2-3,SOT- 2007-000090 R-CHIP;10KOHM,5%,1/16W,DA,TP,1608 0501-000341 TR-SMALL SIGNAL;KSC1623-L,NPN,200mW,SOT- 2007-000078 R-CHIP;1Kohm,5%,1/16W,DA,TP,1608 0501-000341 TR-SMALL SIGNAL;KSC1623-L,NPN,200mW,SOT- MSC1 2203-005065 C-CERAMIC,CHIP;1000nF,+80-20%,10V,Y5V,TP 0501-000341 TR-SMALL SIGNAL;KSC1623-L,NPN,200mW,SOT-...
  • Page 37 SC57 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 RR14 2007-000091 R-CHIP;12Kohm,5%,1/16W,DA,TP,1608 SC58 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 RR15 2007-000090 R-CHIP;10KOHM,5%,1/16W,DA,TP,1608 SC59 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 RR16 2007-000078 R-CHIP;1Kohm,5%,1/16W,DA,TP,1608 SC60 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 2007-000091 R-CHIP;12Kohm,5%,1/16W,DA,TP,1608 SC61 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 RR21 2007-000091 R-CHIP;12Kohm,5%,1/16W,DA,TP,1608 SC62 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 RR22 2007-000091 R-CHIP;12Kohm,5%,1/16W,DA,TP,1608 SC63 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 Samsung Electronics...
  • Page 38 ZC81 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 SR76 2007-000093 R-CHIP;20Kohm,5%,1/16W,DA,TP,1608 ZC82 2203-000681 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,160 SR77 2007-000092 R-CHIP;15Kohm,5%,1/16W,DA,TP,1608 ZC83 2203-000681 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,160 SR79 2007-000090 R-CHIP;10KOHM,5%,1/16W,DA,TP,1608 ZC84 2203-000440 C-CERAMIC,CHIP;1nF,10%,50V,X7R,TP,1608,- 2007-000799 R-CHIP;360ohm,5%,1/16W,DA,TP,1608 ZC85 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 SR80 2007-000076 R-CHIP;330ohm,5%,1/16W,DA,TP,1608 ZC86 2203-005148 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 SR81 2007-001164 R-CHIP;75ohm,1%,1/16W,DA,TP,1608 ZC87 2203-000257 C-CERAMIC,CHIP;10nF,10%,50V,X7R,TP,1608 Samsung Electronics...
  • Page 39 2401-002144 C-AL;47uF,20%,16V,GP,TP,5x11,5 2801-004132 CRYSTAL-UNIT;13.5MHZ,10PPM,ATS-49/U,24PF ZIC1 1204-001826 IC-ENCODER/DECODER;ZIVA-5,QFP,208P,1100M 2801-003554 CRYSTAL-UNIT;27MHz,10ppm,28-AAM,12pF,40o ZIC11 1103-001204 IC-EEPROM;24C021,256x8Bit,SOP,8P,150MIL, ZIC12 0801-002701 IC-CMOS LOGIC;74VHCT125A,BUFFER,TSSOP,14 AK92-00009A ASSY PCB-JACK;DVD-P721M/XAA,JACK PCB ASS ZIC13 AH14-10004R IC;M74HCU04,SOP,TAPE 14P 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, ZIC14 0801-002166 IC-CMOS LOGIC;7SHU04,INVERTER,SSOP,5P,63 AC10 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, ZIC15 0801-002001 IC-CMOS LOGIC;7W74,D FLIP-FLOP,SSOP,8P,1 AC11 2203-001035 C-CERAMIC,CHIP;5.6nF,10%,50V,X7R,TP,2012...
  • Page 40 2401-000922 C-AL;22uF,20%,16V,GP,TP,5x5,5 PBR11 3301-000297 CORE-FERRITE BEAD;AA,3.6x1.2x5.7mm,1400, FE12 2401-000922 C-AL;22uF,20%,16V,GP,TP,5x5,5 PBS01 3301-000297 CORE-FERRITE BEAD;AA,3.6x1.2x5.7mm,1400, 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 PCD02 2201-000828 C-CERAMIC,DISC;3.3nF,20%,400V,Y5U,TP,15x 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 PCD03 2201-000828 C-CERAMIC,DISC;3.3nF,20%,400V,Y5U,TP,15x FIC1 AC09-00072A IC MICOM;uPD78F0233,-,80P,QFP,-,-,AV-LI PCD12 2201-000930 C-CERAMIC,DISC;0.22nF,10%,500V,Y5P,TP,5. FIC2 1203-001252 IC-VOL. DETECTOR;7545,TO-92,3P,-,PLASTIC PCNS1 AH39-00283A CONNECT WIRE;-,#24,-,-,-,WHITE/BLK,-,-,- Samsung Electronics...
  • Page 41 0501-000616 TR-SMALL SIGNAL;KSC2328A-Y,NPN,1W,TO-92L PQS58 0501-000616 TR-SMALL SIGNAL;KSC2328A-Y,NPN,1W,TO-92L PRD11 2003-000119 R-METAL OXIDE;0.68ohm,5%,2W,AE,TP,6x16mm PRD31 2001-000221 R-CARBON;1.2KOHM,5%,1/8W,AA,TP,1.8X3.2M PRD32 2001-000003 R-CARBON;330ohm,5%,1/8W,AA,TP,1.8x3.2mm PRR11 2003-002117 R-METAL OXIDE(S);330Kohm,5%,1W,AA,TP,3.3 PRR12 2003-000314 R-METAL OXIDE;47ohm,5%,2W,AE,TP,6x16mm PRR13 2003-000314 R-METAL OXIDE;47ohm,5%,2W,AE,TP,6x16mm PRR14 2001-000003 R-CARBON;330ohm,5%,1/8W,AA,TP,1.8x3.2mm PRR15 2001-000003 R-CARBON;330ohm,5%,1/8W,AA,TP,1.8x3.2mm PRR17 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M Samsung Electronics...
  • Page 42 Electrical Parts List Loc.No Part No Description ; Specification Remark Loc.No Part No Description ; Specification Remark AK92-00043B ASSY PCB-KEY;DVD-P721M,KEY PCB ASS’Y JOG01 AC64-00602A DIAL-J/S;J/S DIAL,MOLD,8PIN,BLACK,DJS-1 KCN1 AH39-00380A LEAD CONNECTOR ASSY;-,1007#26 ,-,11P,65 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM 2001-000577 R-CARBON;2KOHM,5%,1/8W,AA,TP,1.8X3.2MM 2001-000878 R-CARBON;6.2KOHM,5%,1/8W,AA,TP,1.8X3.2M 2001-000577 R-CARBON;2KOHM,5%,1/8W,AA,TP,1.8X3.2MM...
  • Page 43 Electrical Parts List MEMO Samsung Electronics...

  • Page 44: Block Diagram

    (PCM 1738) LPF/AMP Decoder Disc Motor & Actuator UART2 (UDE) 4 line (KA3017) EP-ROM Headphone 4M DRAM Compo CVBS RF Amp DVD & CD Yout & DPD Processor & Y/B/Pb Cout (KS1462B) Digital Servo VIC1 (KS1454A) (LA73054) C/R/Pr Comp/G/Y Samsung Electronics...
  • Page 45 Block Diagram MEMO Samsung Electronics...

  • Page 46: Wiring Diagram

    8. Wiring Diagram Samsung Electronics...
  • Page 47 Wiring Diagram MEMO Samsung Electronics...

  • Page 48: Pcb Diagrams

    7-5 Memory Stick - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Samsung Electronics...

  • Page 49: Main

    PCB Diagrams 7-1 Main Samsung Electronics...

  • Page 50: Jack

    PCB Diagrams 7-2 Jack Samsung Electronics...
  • Page 51 PCB Diagrams 7-3 Headphone 7-4 Key 7-5 Memory Stick Samsung Electronics...

  • Page 52: Schematic Diagrams

    9-9 Memory Stick - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Jack PCB (Conductor Side) Samsung Electronics...

  • Page 53: Power

    Schematic Diagrams 9-1 Power Samsung Electronics...

  • Page 54: Av-Decoder/Main-Micom

    Schematic Diagrams 9-2 AV-Decoder/Main-Micom Samsung Electronics...

  • Page 55: Servo

    Schematic Diagrams 9-3 Servo Samsung Electronics...

  • Page 56: Front-Micom/Vfd Display

    Schematic Diagrams 9-4 Front-Micom/VFD Display Samsung Electronics...

  • Page 57: Video

    Schematic Diagrams 9-5 Video Samsung Electronics...

  • Page 58: Audio

    Schematic Diagrams 9-6 Audio Samsung Electronics...

  • Page 59: Headphone

    Schematic Diagrams 9-7 Headphone Samsung Electronics...

  • Page 60: Key

    Schematic Diagrams 9-8 KEY 9-9 Memory Stick Samsung Electronics...
  • Page 61 Schematic Diagrams MEMO 9-10 Samsung Electronics...

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