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Memorex MVDR2102 Service Manual

Dvd+r/rw player
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DVD+R/RW PLAYER
MEMOREX MVDR2102
SERVICE MANUAL
CAUTION: Before servicing the chassis, read the "IMPORTANT SERVICE SAFETY INFORMATION" section on
page 2 of this manual.
SPECIFICATIONS
GENERAL SPECIFICATION
DVD Record
Record external signal on DVD+R, DVD+RW
Plays: VD+R/DVD+RW/DVD/CD/SVCD/VCD/JPEG/CD-
MP3/CD-R/RW
TV system: NTSC
Built-in Dolby digital decoder, DTS digital out
OSD languages
Recording mode (based on 4.7GB DVD, single-sided,
1layer)
HQ = 60mins (Highest-level picture quality/ applicable to
record high definition data from DV)
SP = 120mins (Standard picture quality, similar to DVD/
record video signals at DVD picture quality)
LP = 180mins (Long Play Mode)
EP = 240mins (Long time recording mode, picture quality
better than VHS/ substitute for VCR)
SLP = 360mins (Ultra long time recording mode, picture
quality better than VHS/
programs or contents
)
SEP = 420mins ((Super Extended Play Mode)
Audio Video connector::
Front panel: Composite Audio-Video IN/S-Video IN/DV IN
Rear panel: Composite Audio-Video /S-Video IN & OUT
TV-RF IN & OUT/Coaxial-Optical OUT
Audio-Video Cord included
Multifunction remote control
Power supply & consumption:
Operating power supply: AC100V ~ 240V, 50Hz/ 60Hz.
Power consumption: 35W
Standby-mode power consumption: 2W
DIMENSION OF UNIT:
430(W) x 325(D) x 55mm
Note: Follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
applicable to record long-time
© 2005- PRINTED IN
CONTENTS
DISASSEMBLY FOR REPAIR .................................................3
WIRING DIAGRAM....................................................4
BLOCK DIAGRAM....................................................................5
CIRCUIT DESCRIPTION ..............................................6~17
PARTS LIST .................................................................. 18~28
EXPLODED VIEW (UNIT ) ...................................................29
SCHEMATIC DIAGRAMS.................................................30~44
PRINTED CIRCUIT BOARDS.......................................... 45~56
K466UB

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  • Page 1: Table Of Contents

    DVD+R/RW PLAYER MEMOREX MVDR2102 © 2005- PRINTED IN SERVICE MANUAL K466UB CAUTION: Before servicing the chassis, read the “IMPORTANT SERVICE SAFETY INFORMATION” section on page 2 of this manual. SPECIFICATIONS GENERAL SPECIFICATION DVD Record Record external signal on DVD+R, DVD+RW...

  • Page 2: Important Service Safety Information

    IMPORTANT SERVICE SAFETY INFORMATION should be between 1 and 5.2 Megohm. When there is no return path to 1. SAFETY PRECAUTIONS the chassis, the reading must be “infinite”. If it is not within the limits Before returning a unit to the customer, always make a safety check specified, there is the possibility of a shock hazard, and the unit must of the entire unit, including, but not limited to the following items: be repaired and rechecked before it is returned to the customer.

  • Page 3: Disassembly For Repair

    DISASSEMBLY FOR REPAIR TO DISASSEMBLY THE TOP CABINET 1. Remove the 9 screws (A) from top cabinet. TO DISSAEMBLY THE FRONT CABINET 2. Remove 9 screws (B) from the top bracket and the front cabinet. TO REMOVE THE REAR PLATE 3.

  • Page 4: Wiring Diagram

    WIRING DIAGRAM...

  • Page 6: Circuit Description

    CIRCUIT DESCRIPTION DUAL 4-CHANNEL ANALOG MULTIPLEXER /DEMULTIPLEXER: BU4052BCF (U21,37) INFRARED REMOTE CONTROL TRANSMITTER : PT2222-002 (IC1) KI/O KI/O KI/O KI/O KI/O KI/O OSCO KI/O OSCI KI/O...
  • Page 7 CIRCUIT DESCRIPTION 2-WIRE SERIAL EEPROM：AT24C16AN-10SI-2.7V (U3) VOLTAGE REGULATOR: PQ12RD21 (IC201)
  • Page 8 CIRCUIT DESCRIPTION MPEG CODEC SOC: MT8105GE (U2) MULTISTANDARD SOUND PROCESSOR FAMILY: MSP3425G-QG-B8-V3 (U12)
  • Page 9 CIRCUIT DESCRIPTION IEEE 1394a-2000 ONE-PORT CABLE TRANSCEIVER/ARBITER: TSB41AB1PHP (U17) DUAL OPERATIONAL AMPLIFIER: UTC4558 (U10,15) A OUTPUT B OUTPUT A -INPUT A +INPUT B -INPUT B +INPUT...
  • Page 10 CIRCUIT DESCRIPTION PWM CURRENT-MODE CONTROLLER FOR FREE RUNNING QUASI-RESONANT OPERATION: NCP1207ADR2G (IC101) 1.0A FIXED AND ADJUSTABLE LOW DROPOUT POSITIVE VOLTAGE REGULATORS: RT9164A-CG (U2, U516, U1)
  • Page 11 CIRCUIT DESCRIPTION VFD MICROCOMPUTER: LC588620B (U1) 1CH BTL POWER DRIVER IC: BA5962FVM (U515)
  • Page 12 CIRCUIT DESCRIPTION 6CH POWER DRIVER FOR CD-ROM, DVD-ROM: BD7902CFS (U514) 24 BIT STEREO ADC: WM8738 (U14) AVDD CONTROL INTERFACE AGND SDATO LRCLK DIGITAL AUDIO FILTERS INTERFACE BCLK MCLK...
  • Page 13 CIRCUIT DESCRIPTION 512K WORDS X 16 BITS X 2 BANKS (16-MBIT) SYNCHRONOUS DYNAMIC RAM: K4S161622H-UC60 (U508) 4(2)M X 8(16) BITS X 4 BANKS (128-MBIT) SYNCHRONOUS DYNAMIC RAM: K4S281632F- UC75 (U500,502)
  • Page 14 CIRCUIT DESCRIPTION 16-MEGABIT (1M X 16/2M X 8) 3-VOLT ONLY FLASH MEMORY: AT49BV163A-70TU (U5) THREE-WIRE SERIAL EEPROMS: AT93C66-10SI-2.7 (U512)
  • Page 15 CIRCUIT DESCRIPTION 24-BIT, 96KHZ STEREO D/A CONVERTER FOR AUDIO: CS4340 (U517) 300/500MA, ULTRA-FAST TRANSIENT RESPONSE LDO REGULATOR: RT-9166/A-25CXL (U503) TRIPLE 2-CHANNEL ANALOG MULTIPLEXER /DEMULTIPLEXER: BU4053BCF (U39)
  • Page 16 CIRCUIT DESCRIPTION 8M-BIT [1MX8/512K X16] CMOS SINGLE VOLTAGE 3V ONLY HIGH SPEED ELITEFLASHTM MEMORY：AT49BV802AT-70TU (U510)
  • Page 17 CIRCUIT DESCRIPTION DVD-DUAL RECORDING RF IC: MT1816E (U513) DVD DUAL OPTICAL DISK CONTROLLER: MT1818E (U507)

  • Page 18: Parts List

    AXIAL TAPE 52MM SHEET 038-06000-000 SOLID WIRE (DIA. 0.6MM) 0.001 FOR POWER P.C.B 125-04661-101 T466 POWER PCB PC COVER HS-K466UB- K466UB H/S "MEMOREX" BD. PLATE (T=0.5MM) GY-320 W/COSMETIC L.GREY 429C (115*74*0.5)MM PC CUT COLOR (48 KEY) SHEET 001-04930-710 K493 REMOTE CONTROL...
  • Page 19 136-11508-200 RUBBER 15 X 8 X 20MM LENS(CLEAR/PMMA) (W/ONE SIDE TAPE) W/H.S.H.M./ BLACK/WHITE FOR MPEG PCB 136-11803-350 RUBBER 18 X 3 X 35MM SK. (MEMOREX SK.) (R1) (W/ONE SIDE TAPE) 117-04660-003 K466UB DIS.LENS FOR BOTTOM CAB. 136-80060-180 RUBBER FOOT (CLEAR/PMMA) W/H.S.H.M./ (DIA.18X6MM)(TRANS.)W/O...
  • Page 20 Ref. No Parts No. Description Ref. No Parts No. Description KWM-222AAA) K493-UL- K493 UL WIRE ASSY MI-04661-700 K466 (MI) CONTROL BOARD WIRE CHASSIS ASSY AVIO BOARD TO FRONT 025-10004-159 4P J.WIRE #26UL 400MM (2P 004-05818-400 SW. DIODE IN-5818 INPUT BOARD 2MM) JST (ORANGE X C2,13 009-10476-410 ELECT CAP 47 UF +-20% 10V...
  • Page 21 Ref. No Parts No. Description Ref. No Parts No. Description MI-04930-101- K466UB (MI) MAIN BOARD 052-24576-001 CRYSTAL:24.576 MHZ HC49S- CHASSIS ASSY 24.576M1630F(2P) (MEC) +-30 D7,8,17,20 004-04148-400 SW. DIODE IN-4148 PPM;16 PF;FUNDAMENTAL 004-05818-400 SW. DIODE IN-5818 052-27000-006 CRYSTAL:27.0 MHZ HC-49S C16,20,23,27,83,103,104,14 009- ELECT CAP 10 UF +80%-20% (2P) (MEC) +-30 PPM...
  • Page 22 Ref. No Parts No. Description Ref. No Parts No. Description (CLF2327S-303Y0R6) (COILS) R229 005-40220-314 FUSE RESISTOR 22 OHM +-5% L202,205 015-00200-006 FILTER CHOKE COIL 20 UH 1/4W (RADIAL TYPE) (COILS NO.: C104 006-10103-310 CERAMIC CAP 0.01 UF +-10% CR4P-867624) 1000V T101 018-04932-400 SWITCHING X'FORMER C107,108,110,114,115...
  • Page 23 Ref. No Parts No. Description Ref. No Parts No. Description 015-00027-007 AXIAL INDUCTOR 2.7 UH 061-07305-001 VIDEO TUNER UVS7305VM-S 015-00221- CHOKE COIL 220 UH +-10% (M/N SYSTEM) NTSC (USA 006-002 (RADIAL TYPE) COILS NO.: VERSION) (JINXIN) CW57-221K SMT- K466UB (SMT) L4,5 015-00331-007 AXIAL INDUCTOR 330 UH +- K466UB-GE-...
  • Page 24 Ref. No Parts No. Description Ref. No Parts No. Description REGULATOR C26,27,28,29,129 006-72101-350 CERAMIC CHIP CAP 100 PF +- 002-09164-923 IC RT9164A-CG (RICHTEK) 10% 50V (1608) SOT-223 (SMT) 1A 006-72103-350 CERAMIC CHIP CAP 0.01 UF +- ADJUSTABLE LOW DROPOUT 10% 50V(1608) VOL.
  • Page 25 Ref. No Parts No. Description Ref. No Parts No. Description R28,533,623 005-52104-301 CHIP RESISTOR 100 K +-5% R1,2,3,4 005-52560-101 CHIP METAL RESISTOR 56 (1608) (MCR03EZHJ104) OHM +-1% (1608) 005-52105-301 CHIP RESISTOR 1 M +-5% 005-52562-301 CHIP RESISTOR 5.6K +-5% (1608) (MCR03EZHJ105) (1608) 005-52121-301 CHIP RESISTOR 120 OHM +-5% R135...
  • Page 26 Ref. No Parts No. Description Ref. No Parts No. Description C9,15,17,19,21,24,26,28,30, 006-72104-550 CERAMIC CHIP CAP 0.1 UF C537 006-72471-250 CERAMIC CHIP CAP 470 PF +- 31,32,33,35, 37,38,39,42, +80%-20% 50V(1608) 5% 50V(1608) (MCH185A471JK) 72,75, 82,84, 110,112,118, C53,57,59,63,522,523,556 006-72473-350 CERAMIC CHIP CAP 0.047 UF 120,122, 124,125,140,510, +-10% 50V(1608) 520,521,528,540,547,553,...
  • Page 27 Ref. No Parts No. Description Ref. No Parts No. Description (1608) (MCH03EZHJ222) R103A 005-52270-301 CHIP RESISTOR 27 OHM +-5% U10,15 002-04558-760 IC UTC4558 (YW) (SOP-8) SMT (1608) OP-AMP IC R223A 005-52273-301 CHIP RESISTOR 27 K +-5% QX1,QY1 003-20614-140 CHIP TRANSISTOR DTC614TK (1608) (MCR03EZHJ273) (SMT3) (ROHM) NPN DIGITAL R211A...
  • Page 28 Ref. No Parts No. Description Ref. No Parts No. Description R86,90,108,110 005-52273-301 CHIP RESISTOR 27 K +-5% CB1,2,CC1,2,CD1,2,CE1,2, 006-72470-250 CERAMIC CHIP CAP 47 PF +- (1608) (MCR03EZHJ273) CF1,2,CG1,2 5% 50V(1608) (MCH185A470JK) 005-52330-301 CHIP RESITOR 33 OHM +-5% C70,79 006-72471-250 CERAMIC CHIP CAP 470 PF +- (1608) (MCH03EZHJ330) 5% 50V(1608) (MCH185A471JK) 005-52332-301 CHIP RESISTOR 3.3 K +-5%...
  • Page 36 MT8105B (LQFP256) DVR BOARD with SONY LDX-378 PUH Rev. History Date INDEX & POWER Based on MTK SO8105BS1V1 release. 2004/04/12 MT8105B MT1818E Sync with MT8105SDR_SONY_V5 schematic 2004/09/23 MPEG SDRAM & FLASH SERVO SDRAM & FLASH AUDIO CODEC & AV IN/OUT MT1816E 1394 &...
  • Page 37 A_RA[0..12] A_RA[0..12] A_BA[0..1] A_BA[0..1] Close to MT8105 A_DQM[0..3] A_DQM[0..3] [3] AV33V1 D33V A_DQ[0..31] A_DQ[0..31] CE525 A_CLK A_CLK 2.2uF 0.1uF 22uF A_CKE A_CKE 100K A_CS# A_CS# AV33V2 A_RAS# A_RAS# OPEN A_CAS# A_CAS# 2.7uH A_WE# A_WE# C32.768KHz 2.2uF 0.1uF C27MHz C639 AV33V3 OPEN 1000p CE526...
  • Page 38 A_RA3 D_RA3 SDR33V A_RA2 D_RA2 A_RA1 D_RA1 SDR33V A_RA0 D_RA0 CB79 CB77 CB41 CB530 CB561 CB529 CB527 CB523 CB554 CB560 CB532 CB83 CB29 CB45 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF A_RA4 D_RA4 A_RA5 D_RA5 A_RA6...
  • Page 39 ASPDIF ASPDIF ASPDIF WMVDD Y[1..6] Y[1..6] RMAIN ARSDAT AVDD SDATO CB72 R132 ARBCK LMAIN AGND SCLK ARLRCK MUTEA 0.1u R134 VY[0..2] VY[0..2] LRCK VINL R130 ARCLK RSUR MCLK WMVDD WMVDD LSUR WMVDD R676 OPEN NOHP VINR R677 SUBW CENTER CE30 VREFF DVDD 47uF...
  • Page 40 [1,4,8] 33PHY USBM USBM DV33 USBP USBP 33PHY DV33 DV33 [1,4,6,7] C108 C109 C110 C111 C112 C113 0.01uF 0.01uF 0.1uF 0.01uF 0.1uF 0.01uF [1,2,3] PHY_LNK PHY_LNK PHYGND PHY_LREQ PHY_LREQ 33PHY PHY_SCLK PHY_SCLK PHY_LPS PHY_LPS 33PHY PHY_CTL0 PHY_CTL0 PHY_CTL1 PHY_CTL1 C118 C119 C120 C121...
  • Page 41 Close to MT1818 C508 C641 C509 15pF C33.8MHz 15pF OPEN 4.7uH C510 OPEN R533 100K CB603 0.1uF D3.3VS DV33 DV33 [1,4,5,7] MCLK 47uF 0.1uF R534 DV25 DV25 WID7 WID7 R535 D3.3VS PIDERST# PIDERST# R537 CB604 WID6 C136 WID6 APDMARQ APDMARQ APDIOW# APDIOW# 0.1uF...
  • Page 42 RA[0..11] RA[0..11] [1,4,5,8] RD[0..15] FLCS RD[0..15] FLCS FLUPSEN FLUPSEN U508 U509 FLWE FLWE DVD_TXD [6,8] DVD_TXD DVD_RXD [6,8] DVD_RXD DV33 [1,4,5,6] DV33 RD10 RA10 RD10 RA10 DQ10 DQ10 A10/AP RD11 RD11 RA11 DQ11 BA/A11 DQ11 RD12 RD12 DQ12 DQ12 BA0/A13 RD13 CLK1 RD13...
  • Page 43 U512 PLAY EJECT PLAY EJECT 18-GIO1 18-GIO1 RVCC C540 GIO2 0.1uF GIO3 GIO1 DVD_TXD DVD_RXD 93C66 [6,7] DVD_TXD DVD_RXD [6,7] R562 DIP6X2/P2.54/FC R564 STBY RVCC LIMIT MUTE_2 MUTE_1 OPU2 CB644 XRST 0.1uF C137 2.2uF CB647 0.1uF CB648 0.1uF CB649 0.1uF RVCC RVCC WID1...
  • Page 44 M12V +12V MVCC MVCC 0.1uF H17S/P1.0 HEADER 17 SMD1.0 TOP LIMIT LIMIT U514 5x1 W/HOUSING DVCC R610 PDM1 DIP5/W/H/P2.0 FCIN PDM1 R611 PDM2 PDM2 TKIN LOAD+ LOAD+ LDO+ LOAD- LOAD- LDO- R612 TKO+ R609 MVCC PGND1 TKO- M12V FCO+ R613 R0805/SMD SPVM1 FCO-...

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