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Daewoo DV-2500H Service Manual

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OSDV2500H1
Model : DV-2500H
MAY. 2007

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Summary of Contents for Daewoo DV-2500H

  • Page 1 OSDV2500H1 Model : DV-2500H MAY. 2007...
  • Page 2 DV-2500H Service Manual DV-2500H SERVICE MANUAL - 1 -...

  • Page 3: Table Of Contents

    DV-2500H Service Manual Table of Contents General Section Cautions/Warnings Safe Warnings Precautions Software Upgrade Circuit Diagram and Component Layout MPEG IC Block Diagrams Power supply Circuit Diagram and Component Layout MPEG Circuit Diagram and Component Layout Front panel Circuit Diagram and Component Layout...

  • Page 4: General Section

    DV-2500H Service Manual 1. General Section Cautions/Warnings 1.1. 1.1.1. Product Safety Notice Parts marked with the symbol in the schematic diagram have critical characteristics. Use ONLY replacement pares recommended by the manufacturer. It is recommended that the unit be operated from a suitable DC supply or batteries during initial check out procedures.

  • Page 5: Safe Warnings

    DV-2500H Service Manual 1.2. Safe Warnings 1.2.1. Protection of Eyes from Laser Beam To protect eyes from invisible laser beam during servicing DO NOT LOOK AT THE LASER BEAM 1.2.2. Laser Caution CAUTION Adjusting the knobs, switches, and controls, etc. or taking actions not specified herein may result in a harmful emission of laser beams.

  • Page 6: Precautions

    DV-2500H Service Manual 1.3. Precautions 1.3.1. ESD Precautions in Repairing 1.3.1.1. Do not apply excessive pressure on the mechanical parts (moving pares), including the Pickup Block, as extremely high mechanical precision or required in these parts. 1.3.1.2. When soldering microprocessor signal processing IC’s, use a ceramic soldering iron or a soldering...

  • Page 7: Software Upgrade

    DV-2500H Service Manual 1.4. Software Upgrade You can upgrade DVD Player using the software we provide as following step: ― Creating a software upgrade CD ― Use only a new CD-R/CD-RW(not an erased one). ― Give the CD a name of your choice(e.g. version and unit name).

  • Page 8: Circuit Diagram And Component Layout

    DV-2500H Service Manual 2. Circuit Diagram and Component Layout 2.1. MPEG IC Block Diagrams Fig. 2-1 Vaddis888 - 7 -...
  • Page 9 DV-2500H Service Manual Table1. Vaddis888 Pin Description - 8 -...
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  • Page 26: Power Supply Circuit Diagram And Component Layout

    DV-2500H Service Manual 2.2. Power supply Circuit Diagram and Component Layout Fig 2-2 Power Supply Circuit Diagram Fig 2-3 Power Supply Assembly Drawing - 25 -...
  • Page 27 DV-2500H Service Manual Fig 2-4 Power Supply Composite - 26 -...

  • Page 28: Mpeg Circuit Diagram And Component Layout

    DV-2500H Service Manual 2.3. MPEG Circuit Diagram and Component Layout 2.3.1. MPEG Circuit Diagram Fig 2-5 AVOUT/POWER Fig 2-6 AUDIO - 27 -...
  • Page 29 DV-2500H Service Manual Fig 2-7 RF/OPU Fig 2-8 FLASH - 28 -...
  • Page 30 DV-2500H Service Manual Fig 2-9 MPEG 2.3.2. MPEG Assembly Drawing - 29 -...
  • Page 31 DV-2500H Service Manual - 30 -...
  • Page 32 DV-2500H Service Manual 2.3.3. MPEG Composite - 31 -...

  • Page 33: Front Panel Circuit Diagram And Component Layout

    DV-2500H Service Manual 2.4. Front panel Circuit Diagram and Component Layout - 32 -...

  • Page 34: Karaoke Circuit Diagram And Component Layout

    DV-2500H Service Manual 2.5 Karaoke circuit Diagram and Component Layout - 33 -...

  • Page 35: Servicing Procedures

    DV-2500H Service Manual 3. Servicing Procedures 3.1. Power Supply Trouble Service Flow Chart Power Supply Block Trouble Check F901 Condition Replace F901 Check U901 Pin1/Pin2 Replace U901 Condition Check on D101/D102/ D103/D104/D105 Output Voltage Condition Check on Q103 Pin1 Replace Q103...

  • Page 36: Read Disc Trouble Service Flow Chart

    DV-2500H Service Manual 3.2. Read Disc Trouble Service Flow Chart Read disc problem in a DVD player is a very complicated issue that may involve complex issues. This problem is not only relation to the electronic circuit, but also very much relation to the operation environment.

  • Page 37: Video Trouble Service Flow Chart

    DV-2500H Service Manual 3.3. Video Trouble Service Flow Chart 3.3.1. Composite Video Trouble Service Flow Chart Composite Video Trouble Check “SETUP” Item See “User Manual” Check Y1 Output Signal Replace Y1 Parts Check C165/C166 Signal Replace C165/C166 Check R217/R224 Signal...
  • Page 38 DV-2500H Service Manual 3.3.2. SCART Video Trouble Service Flow Chart Composite SCART Video Trouble Check “SETUP” Item See “User Manual” Check Y1 Output Signal Replace Y1 Parts Check C194/C195/C199/ Replace C194/C195/C199/ C200/C203/C204 Signal C200/C203/C204 Check D10/ D12/ D13 Replace D10/D12/D13...
  • Page 39 DV-2500H Service Manual 3.3.3. S- Video Trouble Service Flow Chart Composite S- Video Trouble Check “SETUP” Item See “User Manual” Check Y1 Output Signal Replace Y1 Parts Check C184/C185/C188/C189 Replace C184/C185/ Signal C188/C189 Check D8/D9 Signal Replace D8/D9 Check L4/L5 Signal...

  • Page 40: Composite Analogy Audio Trouble Service Flow Chart

    DV-2500H Service Manual 3.4. Composite Analogy Audio Trouble Service Flow Chart Composite Analogy Audio Trouble Check U9 Pin5~7 Signal Replace U2 Check U9 Pin9 +5V Check Power Supply Check U9 Pin23~27 Signal Replace U9 Check U8/U11/U13 Check U8/U11/U13 between Pin2/6 Signal...

  • Page 41: Front Control Trouble Service Flow Chart

    DV-2500H Service Manual 3.5. Front Control Trouble Service Flow Chart Front Control Trouble Check between JP1 and MPEG Connection Replace the cable between Check between JP2 and Power Supply Connection Check Power Supply Check U2 Pin9/25 Voltage Check U2 SEG Signal...

  • Page 42: Remote Control Trouble Service Flow Chart

    DV-2500H Service Manual 3.6. Remote Control Trouble Service Flow Chart Remote Control Trouble Check Remote Control Replace Battery Replace Control Check U3 Pin2 Voltage Check Power Supply Check U3 Pin3 Output Signal Replace U3 Check U2 IR Input Signal Replace U2...

  • Page 43: Parts List

    DV-2500H Service Manual 4. Parts List 4.1. Power parts list PART NO. DESCRIPTION LOCATION Carbono Resistor 1 M2R1110030433110 RT14-1/4W-10R±5% R122,R902 2 M2R1110230433110 RT14-1/4W-1K±5% R111,R101,R110,R112,R121 M2R1120230433110 RT14-1/4W-2K±5% R109 3 M2R1122330433110 RT14-1/4W-22K±5% R105 4 M2R1110530233110 RT15-1/2W-1M±5% R901 5 M2R1110430433110 RT14-1/4W-100K±5% R903 Metal Oxidizes Resistor...
  • Page 44 DV-2500H Service Manual PART NO. DESCRIPTION LOCATION 25 M2D10FR104220000 FR104 （ DO-41 ） D101,D102,D103,D907 26 M2D1IN5392220000 1N5392- （ DO-41 ） D108,D109 27 M2D1IN5822220000 IN5822 D105 VOLT REG Diode 28 M2D1BZX12V220000 BZX-12V-1/2W- （ DO-35 ） Z101, 29 M2D1BZX5V1220000 BZX-5V1-1/2W- （ DO-35 ）...

  • Page 45: Mpeg Parts List

    DV-2500H Service Manual 4.2. MPEG parts list Part Number Description Location W17MC6006311 MC6006-ZR36888 03# SMT MC6006-ZR36888 03# SMT BOM Electrolytic Capacitor M2C2477A59081222 CD11-6.3V-470UF-M C165,C166,C192,C193,C196,C198,C202 M2C2106C89051122 CD11-10V-10UF-M(5*11) C7,C152 M2C2226C57040722 CD11-10V-22U-M(4*7) C102,C111 M2C2227C57631122 CD11-10V-220UF-M(6.3*11) C10,C68,C69,C76,C95,C160,C205 M2C2335B89051122 CD11-16V-3.3U-M(5*11) C118,C117 M2C2106B57051122 CD11-16V-10U-M(5*11) C106,C116 M2C2226B89051122 CD11-16V-22UF-M-85（5*11)
  • Page 46 DV-2500H Service Manual 16 M2L1127M00003001 27.000MHz-30PPM-BASE-20PF/DIP 17 M2I00KA780500100 KA7805 M2I00LM780500100 LM7805(TO-220) Socket 18 M2P000000PH4A000 PH-4A CN21 19 M2P000000PH5A000 PH-5A 20 M2P000000PH6A000 PH-6A 21 M2P00000PH6AB000 PH-6A-B CN10 22 M2P000000PH8A000 PH-8A 23 M2IDLT1131A00000 DLT1131A CN11 24 M2P11000RCA1A000 RCA-1A-COAX CN12 25 M2P110AV38410000 AV3-8.4-10...
  • Page 47 DV-2500H Service Manual 33 M2R0015230811000 RC-05K152JT R239,R238 34 M2R0000031000000 RC-03K000OP R36,R48,R54,R55,R73,R80,R229,R217,R224 35 M2R001R031000000 RC-03K1R0JT R45,R53,R77 36 M2R004R731000000 RC-03K4R7JT 37 M2R0010031000000 RC-03K100JT R230,R29 38 M2R0033031000000 RC-03K330JT R56,R134,R137 39 M2R0056031000000 RC-03K560JT R232 40 M2R0062031000000 RC-03K620JT R234,R235 41 M2R0075031000000 RC-03K750JT R241 42 M2R0075021000000 RC-03K750FT...
  • Page 48 DV-2500H Service Manual 54 M2R0018231000000 RC-03K182JT R11,R10 55 M2R0020231000000 RC-03K202JT R213 56 M2R0022231000000 RC-03K222JT R242,R243 57 M2R0033231000000 RC-03K332JT R58,R59,R61,R122,R107 R9,R27,R28,R40,R41,R132,R133, 58 M2R0047231000000 RC-03K472JT R170,R192,R218,R135, R193,R246,R270 59 M2R0068231000000 RC-03K682JT R12,R13,R49,R51,R85,R86,R100,R203, 60 M2R0010331000000 RC-03K103JT R106,R121,R161,R183,R261,R262,R265 61 M2R0015331000000 RC-03K153JT R3,R231,R236,R237 Part Number Description...
  • Page 49 DV-2500H Service Manual 73 M2C04P7F30060300 CC-0603CG4P7J500NT C191,C197,C201 74 M2C05P0F30060300 CC-0603CG5PFJN500T 75 M2C0110F30060300 CC-0603CG110JN500T C177,C181,C187 76 M2C0220F30060300 CC-0603CG220JN500T C21,C22 77 M2C0330F30060300 CC-0603CG330JN500T C33,C34,C36 78 M2C0560F30060300 CC-0603CG560J500NT C82,C83 79 M2C0680F30060300 CC-0603CG680J500NT C194,C195,C199,C200,C203,C204 80 M2C0101F30060300 CC-0603CG101JN500T C55,C64,C171,C103,C112 81 M2C0121F30060300 CC-0603CG121JN500T C175 82 M2C0151F30060300 CC-0603CG151JN500T...
  • Page 50 DV-2500H Service Manual Chip Magnetism Bead 93 M2H0220R00000603 L0603-220R R33,R225,R226,R227 Part Number Description Location FB10,FB11,FB12,FB13,FB14,FB16, 94 M2HL750R800A0805 FB0805-75R-800MA-±10％ FB17,FB188 95 M2H0220R00000805 L0805-220R FB15 96 E2H060020039 FB0805-600R-100MHZ-200MA±25% FB1,FB2,FB3,FB4,FB9,L2 97 M2HL750R001A1206 FB1206-75R-1A-K FB19,FB20,FB21,FB22 Chip inductor 98 M2HL033U250A0805 L0805-0.33UH-250MA-K L6,L7,L8 99 M2H0500M01U10805 L0805-1.1UH-500MA-K...

  • Page 51: Front Panel Parts List

    DV-2500H Service Manual 109 M2IZR36888000000 ZR36888(LQFP256-B)(A1) 110 M2I4S641632F0000 K4S641632F-70(TSOP54) M2IM12L64164A000 M12L64164A-7TG 111 M2I29AL016D00000 S29AL016D707A102 M2IEN29LV160AB00 EN29LV160AB-70-TCP 112 M2I0AM5888S00000 AM5888S L/F 113 M2I00LM358D00000 LM358D-(SO8) 114 M2IAZ4558AM00000 AZ4558AM-E1 115 E1M0DA116009 DA1160F 116 M2IAZ1117H330000 AZ1117H-3.3-TRE1 Socket 117 E2P824P0M599 FPC-24P-0.5MM E2P824P05MM9 FPC-24P-0.5MM 118 E2P951U019S9...
  • Page 52 DV-2500H Service Manual 2 M2R1110330633110 RT13-1/6W-10K-J R1,R4,R5,R6,R9,R10 3 M2R1151330633110 RT13-1/6W-51K-J Porcelain Capacitor 4 M2C1101F44000022 CC1-50V-101-K C5,C6,C7 5 M2C1104F44000022 CC1-50V-104-K C1,C4 Electrolytic Capacitor 6 M2C2107B57060522 CD11-16V-100uF-M(6*5) C2,C3 Diode 7 M2D1IN4148110000 IN4148-(D0-35) D2,D3,D4 8 0D1LT037420N LT0374N-43-M1 Light Bracket 9 M3PDN6010709 DND0601DM Light Bracket...

  • Page 53: Karaoke Circuit Parts List

    DV-2500H Service Manual 14 0IPT6961000N PT6961 15 M2G332610YGB20A0 ZDC-G2610YGB-20A Single Join Eletricity Location Implement 16 M2V11121NL200103 WH121N-2-A10K-F15 X1,X2 Jumper Wire 17 **************** J--5mm J2,J3,J5 18 **************** J--7.5mm J1,J4,J6 19 E2B1013608A9 MC1013-0601-00M V1.0 P/N:0608A L418*W33*1.6MM 4.4. Karaoke circuit parts list Part Number...
  • Page 54 DV-2500H Service Manual 8 M2C0223F54080500 CC-0805F223MN500T C903,C904 9 M2C0331F30080500 CC-0805CG331JN500T C920 10 M2C0562F44080500 CC-0805B562K500NT C905,C912 11 M2C0561F30080500 CC-0805CG561JN500T C907,C910 12 M2C0681F30080500 CC-0805CG681JN500T C902 13 M2C0103F54080500 CC-0805F103M500NT C911 14 M2C0104F84080500 CC-0805F104ZN500T C918,C928,C923,C924,C926 Chip Resistor 15 M2R004R730811000 RC-05K4R7JT R918 16 M2R0047030811000 RC-05K470JT...
  • Page 55 DV-2500H Service Manual 28 E1MP044YB509 PACDN044YB5(SC70-5) U903 Inductor 29 M2H4LGA3UH3K0307 LGA0307-3.3UH-K L901,L902 30 M2H1RH3560083560 RH3.5*6*0.8 L903 Chip Magnetism Bead 31 M2H0120300MA0805 FB0805-120R-300MA-CBG/121 L1,L2,L3,L4 32 M2H0220R00000805 L0805-220R L5,L6 Part Number Description Location Diode 33 M2D1BZX2V4220001 BZX-1/2W-2.4V-(DO-35) D1,D2 Transistor 34 M2Q100C181502200 2SC1815-GR...
  • Page 56 DV-2500H Service Manual 42 E2B2003609A9 MC2003-0601-00M VER1.0 P/N:0609A L69.5*W68.5*1.6MM ****** - 55 -...

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