Memorex MVDT2402 Service Manual

SERVICE MANUALMVDT2402Design and specifications are subject to change without notice.COLOR TELEVISION/VIDEO CASSETTE RECORDER/DVD VIDEO PLAYERORIGINAL

GENERAL SPECIFICATIONSAuto Shut Off No Signal 15MinNo Operation -MinTimer Back-up (at Power Off Mode) 5SecG-14 Remote Unit RC-HHControl Glow in Dark

GENERAL SPECIFICATIONSTV Auto Shut off Function YesEnd CallNoIndex Search YesSQPBNoCATV YesCM Skip(30sec x 6 Times) YesComb Filter (2Lines) YesVM Circ

GENERAL SPECIFICATIONSREC/OTR (VCR) YesPlay (DVD) YesStop (DVD) YesSkip+ /Search+ (DVD) YesSkip- /Search- (DVD) YesOpen/Close (DVD) YesInput Select No

DISASSEMBLY INSTRUCTIONSB1-11. REMOVAL OF MECHANICAL PARTSAND P.C. BOARDS1-1: BACK CABINET (Refer to Fig. 1-1)1.2.3.Remove the 6 screws (1).Remove the

DISASSEMBLY INSTRUCTIONSB1-21-6: VCR DECK (Refer to Fig. 1-6)1.2.3.4.Remove the 4 screws (1).Remove the DVD Block in the direction of arrow (A).Remove

DISASSEMBLY INSTRUCTIONSB2-12. REMOVAL OF VCR DECK PARTS2-1: TOP BRACKET (Refer to Fig. 2-1)Extend the 2 supports 1.Slide the 2 supports 2 and remove

DISASSEMBLY INSTRUCTIONSB2-22-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A)Remove the screw 1.Remove the Loading Motor.Remove the Worm.1.2.3.Fig. 2-6-A•

DISASSEMBLY INSTRUCTIONSB2-3Fig. 2-9-BBig Hole(S Reel)Small Hole(T Reel)Fig. 2-9-CIdler Arm Ass'y[OK][NG]Clutch GearIdler Arm Ass'yClutch Ge

DISASSEMBLY INSTRUCTIONSB2-4A/C Head22A/C Head Spring1(3)(1)2(2)A/C Head BaseSpring PositionFig. 2-11-B2-12: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-

DISASSEMBLY INSTRUCTIONSB2-52-14: CAPSTAN DD UNIT (Refer to Fig. 2-14)Remove the Capstan Belt.Remove the screw 1.Remove the Capstan Holder.Remove the

CAUTION:DVD PLAYER IS A CLASS 1 LASER PRODUCT. HOWEVER THIS PLAYER USES A VISIBLE LASERBEAM WHICH COULD CAUSE HAZARDOUS RADIATION EXPOSURE IF DIRECTED

DISASSEMBLY INSTRUCTIONSB2-62-17:Remove the Polyslider Washer 1.Remove the Clutch Ass'y and Ring Spring.Remove the Clutch Lever.Remove the Coupli

DISASSEMBLY INSTRUCTIONSB3-13. REMOVAL OF DVD DECK PARTS3-1: TRAY (Refer to Fig. 3-1-A)Set the Tray opened. (Refer to the DISC REMOVALMETHOD AT NO POW

DISASSEMBLY INSTRUCTIONSB3-2Traverse HolderInsulator (F)Main Chassis Ass'yInsulator (F)Insulator (R)NOTE1.2.3.In case of the Pulley Motor install

DISASSEMBLY INSTRUCTIONSB3-3Fig. 3-6-CInsulator (R)Main Chassis Ass'y (Top Side)3-7:Remove the screw 1.Remove the Rack Feed Ass'y.Remove the

4. REMOVAL OF ANODE CAPRead the following NOTED items before starting work.After turning the power off there might still be a potentialvoltage that is

B5-1Masking Tape(Cotton Tape)DISASSEMBLY INSTRUCTIONS5.REMOVALICPut the Masking Tape (cotton tape) around the FlatPackage IC to protect other parts fr

B5-2DISASSEMBLY INSTRUCTIONSSupply solderingfrom upper positionto lower positionICSupply the solder from the upper position of IC leadssliding to the

KEY TO ABBREVIATIONSABCDEFGHA/CACCAEAFCAFTAFT DETAGCAMPANTA.PBAPCASS’YATAUTOA/VBGPBOTBPFBRAKE SOLBUFFB/WCCASECAPCARRCHCLKCLOCK (SY-SE)COMBCONVCPMCTLCY

KEY TO ABBREVIATIONSSTUVXYSYNCSYNC SEPTRTRACTRICK PBTPUNREGVVCOVIFVPV.PBVRV.RECVSFVSRVSSV-SYNCVTX’TALY/C:::::::::::::::::::::SynchronizationSync Separ

This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.To enter SERVICE MODE, unplug AC cord till lost actua

A1-2SERVICING NOTICES ON CHECKING6. AVOID AN X-RAY1. KEEP THE NOTICESAs for the places which need special attentions,they are indicated with the label

PREVENTIVE CHECKS AND SERVICE INTERVALSThe following standard table depends on environmental conditions and usage.Parts replacing time does not mean t

CLEANINGNOTEAfter cleaning the heads with isopropyl alcohol, do notrun a tape until the heads dry completely. If the headsare not completely dry and a

WHEN REPLACING EEPROM (MEMORY) ICIf a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be t

D1-1SERVICING FIXTURES AND TOOLSJG100A Torque Tape(VHT-063)JG024AJG022 Master PlaneJG153 X Value AdjustmentScrewdriverJG005 Post AdjustmentScrewdriver

Reel Disk HeightAdjustment Jig(JG024A)Reel DiskMaster Plane (JG022)(B)10(+0.2, -0)mmHeight Adjustment Washer2.6x4.7xT0.132.6X4.7xT0.25(A)(C)MECHANICAL

MECHANICAL ADJUSTMENTS1-4: CONFIRMATION OF VSR TORQUE1.2.Install the Torque Gauge (JG002F) and Adapter (JG002B)on the S Reel. Set to the Picture Searc

MECHANICAL ADJUSTMENTS2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/CONTROL HEADWhen the Tape Running Mechanism does not work well,adjust the following it

MECHANICAL ADJUSTMENTS3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE123456789101. Tension Connect2. Tension Arm3. Guide Roller4. Audio/Control Head5. X

ELECTRICAL ADJUSTMENTSD3-11.Read and perform these adjustments when repairing thecircuits or replacing electrical parts or PCB assemblies.CAUTION••••U

ELECTRICAL ADJUSTMENTSD3-22-2: CONSTANT VOLTAGE1.2.3.4.Set condition is AV MODE without signal.Using the remote control, set the brightness and contra

A1-31.2.3.4.5.Remove the TV/DVD/VCR block from the main unit and the Fig. 1 below can be seen.(Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.)Remov

ELECTRICAL ADJUSTMENTSD3-32-15: OSD HORIZONTALActivate the adjustment mode display of Fig. 1-1.Press the VOL. UP/DOWN button on the remote controlunti

ELECTRICAL ADJUSTMENTSD3-41.2.3.4.5.6.7.8.9.10.11.2-19: COLOR CENTERReceive the color bar pattern. (RF Input)Using the remote control, set the brightn

ELECTRICAL ADJUSTMENTSD3-53. PURITY AND CONVERGENCEADJUSTMENTSNOTE1.2.3.Turn the unit on and let it warm up for at least 30minutes before performing t

ELECTRICAL ADJUSTMENTS4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)CP2201CP8002OPERATION PCBCD2251CP8001CP602CP1702CP4502AC HEADCP

DVD BLOCK DIAGRAM READ CHANNELIC2601ZR36708TQCFLASH 8M IC4007SST39VF800A-70-4C-EK-DMPEG/MICON/DSPIC4001ZR36762PQCG_V64M SDRAMIC4005HY57V641620HGT-7Pic

Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM302223210216765793668345554535743578 76H.AMPSWREC AMPCP4502654AUDIO RECAUDIO PBCTL+HEADAUDIOCONTROL321AE HEAD(+)AE HEA

SYSCON/TIMER/SERVO ICIC101 OEC8076AY/C/AUDIO/HEAD AMPDRUM PWMMS SEN-BPOWER FAILY/C CSKEY-BKEY-ADUMMY.V.SYNCC_ROTARY34821982324KEY-AIN/OUTPOWER_FAILH.

PLAYCH.DOWNREC/OTRCH.UPSTOP/EJECTOS22011MICONREC/OTRLED D2205REC LED SWQ2201Q4212MUTE SWQ4202Q4201Q4203Q4211BUFFERSW_AUDIO_OUT_REXT_A_MUTESOUND_

CHROMA/IF_ ICIC601LA76324NM-MPB-E192361014575660MOTOR+12V8.5V REGREGULATORCHROMA/IF BLOCK DIAGRAME-935AT+5.7V REGX6013.579545MHz515455595040MICON32730

IN/OUT25968SOUND AMP ICIC352 AN7522NSOUND_L+SOUND_R+10124SP_OUT_RSP_OUT_LSOUND AMP/SURROUND BLOCK DIAGRAME-11SPEAKERSP352SPEAKERSP351TV_POWER_HSCLTV

PARENTAL CONTROL - RATING LEVEL4 DIGIT PASSWORD CANCELLATIONIf the stored 4 digit password in the Rating Level menu needs to be cancelled, please foll

HI-FI/AUDIO/H.AMP/DEM ICIC5501AN3663FBP5714532742929303648564328242122456261HIFI_H.SWTUNER_AUDIOVCR_A_MUTEV. REC_ST-HHIFI_ENVSCLSDAST_SELECTREAR_A_IN_

MICONY/C_VIDEO_YSW_CDIGITAL COMB FILTER BLOCK DIAGRAME-15AV_SW1AV_SW2DVD_Y/C-CDVD_VIDEOJACK_OUTAUX_V[F/R]Y/C_VIDEOREAR_V_INFRONT_V_INREGULATORCHROMA/I

DVD IN/OUT BLOCK DIAGRAME-17614AUDIO SW ICIC8001 MM1501XNRETXREGULATORCP800134678911TXRXP.CON+9VP.CON+D5VP.CON+3.3VP.CON+3.3VSPDIF-134CP80022346810D

REGULATOR BLOCK DIAGRAME-20UNREG+8VTVQ3003AT+5V OUTAT+5VP.CON+5VP.CON+5V_AP.CON+12VP.CON+8VP.CON+5V_AUNREG+5VP.CON+8VP.CON+5V_CMICON21 4P.CON+5V OUT I

TRANSFORMER SWITCHINGT170114116AC INL1703DEGAUSS COILDEGAUSS RELAYRY170141213FEED BACKIC1701PS2561AL1-1-V(W)VR1701+B ADJ.CURRENT DETQ406TV BLOCK DIAGR

VMD328A1173349153105157C2634IC2601C2641_1C2640_1R2616R2338R2308R2301R2307R2305R2317R2316R2339R2319C2309R2321R2334R2324R2326R2327R2303C2302C2303R2304C2

J4202J4201J8007R1702D1702Q1702D1723C1720R1703D1730VR1701D1722C1733R1725TU001C4206_1C4212_1L001W026C8094_1R4205C4211TP4201R4239D4201C4220R4209L4205Q300

1733491121416112651761733491R1705R1708R1713C1703R1709C1702R1707C4209C4210C8010C004C001C4213C4214C4203R8003R8004Q8002R8005R8013C8095R4217R4207R4203R423

0FB401HS401HS402T401D406D405L402R454C449_1C402_1L403B403R414C408C407C405_1R407Q401R423Q406R425R431L401C435IC401R424R421R432R428C427R443C429R450R453R44

ABC D E F GHABC D E F GH2134567821345678IC4006SIP1117L-ADJ-TPREG+1.9V IC123IC4001ZR36762PQCG_VMPEG/MICON/DSP IC101102 103104105106 107108109 110111112

TABLE OF CONTENTSIMPORTANT WARNING ...SERVICING

ABC D E F GHABC D E F GH2134567821345678IC4007SST39VF800A-70-4C-EK-DFLASH 8M IC110111213141516171819 2202122232425 26 27 28 29330 31 32 33 34 35 36 37

ABC D E F GHABC D E F GH2134567821345678IC2301 LA6565MOTOR DRIVE IC1 101112131415161718192202122232425262728293303132333435363738456789D2601KDS120RTK1

ABC D E F GHABC D E F GH2134567821345678AUDIO SIGNAL(PB)PLAYBACK VIDEO SIGNALPLAYBACK LUMINANCE SIGNALPLAYBACK COLOR SIGNALB.SIGNALCOMPONENT SIGNAL(V)

ABC D E F GHABC D E F GH2134567821345678Q4501KTC3875S_Y_RTKAUDIO PB SWQ4502KTC3875S_Y_RTKAUDIO PB SWQ45062SC2412KAMPQ45072SC2412KBUFFERQ4504KTC3203_YB

ABC D E F GHABC D E F GH2134567821345678D106MTZJ12BD103MTZJ5.6BD1081SS133D1051SS133D1021SS133Q102DTC124EKACENT LED SWQ110DTC114EKASWQ106DTC124EKASWCAU

ABC D E F GHABC D E F GH2134567821345678L8002100uHB8001W4BRH3.5X6X1.0X2B2201W4BRH3.5X6X1.0D42041SS133SW2201EVQ21505RREWSW2203EVQ21505RPLAYSW2204EVQ215

ABC D E F GHABC D E F GH2134567821345678CP601A2001WR2-4P1234IC601LA76324NM-MPB-ECHROMA/IF IC1 1011121314151617 18 19220 21 22 23 24 25 26 27 28 29330

ABC D E F GHABC D E F GH2134567821345678C3081016V KANPC3311016V KANPC3281016V KANPC3091016V KANPHS351763WAA0255SPEAKERSP352SG04H02BRA8 OHMSPEAKERSP351

ABC D E F GHABC D E F GH2134567821345678IC5501AN3663FBPHI-FI/AUDIO/HEAD AMP/DEM IC1 1011121314151617 18 19220 21 22 23 24 25 26 27 28 29330 31 3233343

ABC D E F GHABC D E F GH2134567821345678C15213.350V KANPIC1501 TC90A45FDIGITAL COMB FILTER IC11011121314151623456789CD002CU0119021TU001 115-V-K015AR_B

GENERAL SPECIFICATIONSG-1 TV CRT CRT Size / Visual Size 24 inch / 600mmVSystem CRT Type FlatDeflection 101 degreeMagnetic Field BV/BH + 0.45 G

ABC D E F GHABC D E F GH2134567821345678CP8001A2001WV2-11P1101123456789C80232.250V NAC80222.250V NAIC8002 MM1501XNREAUDIO SW IC123456IC8001MM1501XNREA

ABC D E F GHABC D E F GH2134567821345678R301018 1WR302122 1WD3001MTZJ33BL3001_222uHL300210uHTSL0808IC3003KIA278R05PIP.CON+5V_A OUT IC1234IC3001 KIA278

ABC D E F GHABC D E F GH2134567821345678R17200.22 1WCP1707003P-21001CP1708003P-21001CP1704A1561WV2-2P12CD1704CD1703TH1701ZPB45BL3R0AIC1701PS2561AL1-1-

ABC D E F GHABC D E F GH2134567821345678L402ELH5L4113IC401 LA78041V.OUTPUT IC1234567BGR1168109175V801A60LVY196X11(OL)T401ETH19Y203AY12345R42110K +-1%R

ABC D E F GHABC D E F GH2134567821345678CC801TP-1S-05TP803TP801TP802FJ801ISHS62SCRT SOCKET1101112456789TM101R56-0487CP802BB2013H02-5P12345WAS RECEIVED

ABC D E F GHABC D E F GH21345678213456785432154321CP802B54321CP802A987645321CP602B987645321CP602987645321CP45014321432121CP80321CP80521212112111098765

Y/C/AUDIO/HEAD AMP1120µs1.0V122µs1.0V1ms1.0V135ms2.0V1420µs20V15The following waveforms were measured at the point of the correspondingballoon number

MICON20ms2.0V161ms2.0V1710ms0.5V191ms1.0V201ms200mV1810ms10V2110ms10V2250µs10V2350µs5.0V24CHROMA/IFWAVEFORMSThe following waveforms were measured at t

310.5ms0.5V3220µs0.5V33WAVEFORMSThe following waveforms were measured at the point of the correspondingballoon number in the schematic diagram.NOTE:H-

MECHANICAL EXPLODED VIEWI1-1201201201201113134134130130130130PCB110(CRT PCB ASS'Y)214214102A102118214102B208102B128102B214214214101A101K212101L10

GENERAL SPECIFICATIONSDVD Output Level(-20dBFs 0dBFs=2.0Vrms) -12.0dBm/1k ohmDigital Output Level 0.5 V p-p/75 ohm(DVD)S/N Ratio at DVD (Weighted) 90

MECHANICAL EXPLODED VIEWI1-2103104104105108106107109110110207207205205207208208121PCB270(OPERATION PCB ASS'Y)216216124125204204204208126120208115

CHASSIS EXPLODED VIEW (TOP VIEW)I2-1321AEAEAEAE309325ADAA302312315UN4001M2003505504H5001503306305332507335342322508324349506501H5002323508341331334333

CHASSIS EXPLODED VIEW (BOTTOM VIEW)300502329311310330505338502337340509308344327343326328ABABABAAAAADAAAAAAAAAAAA339AAAAI2-2Applying positions AA, AB,

600DVD DECK EXPLODED VIEWI3-1Applying positions AA and AB for the grease are displayed for this section.Check if the correct grease is applied for eac

MECHANICAL REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION101 7A701A161A FRONT CABI ASS'Y 201 8141H60D54 SCREW,

CHASSIS REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION300 A5L1046420A DECK ASSY A5L1046420A 501 8107226804 SCREW,TA

DVD DECK REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION600 A5M4016650 DVD MECHA ASS'Y601 92P100098A HOLDER,TRAVERSE602 92P100094A CLAMPER603

ELECTRICAL REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTIONRESISTORS DIODES ! R401 R4X5T6472F R,METAL 4.7K OHM 1/6W

ELECTRICAL REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTIONICS TRANSISTORSIC302 I01FF58910 IC AN5891SA-E1V Q2605 T27T

ELECTRICAL REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION*** RESISTORS *** MISCELLANEOUSJACKSCD2251 06CU220701 CO

GENERAL SPECIFICATIONSIndex YesMute YesHi-Fi YesRepeat YesZero Return YesDEWNoG-11 On Screen Menu (DVD) YesDisplay Menu Type Character(DVD) Language

M5Q0-046SPEC.NO.O/R NO. W465002