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Memorex MVD4540C Service Manual

Dvd video player & vhs video cassette recorder
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MVD4540C
SERVICE MANUAL
DVD VIDEO PLAYER & VHS VIDEO CASSETTE RECORDER
ORIGINAL
MFR'S VERSION A
Design and specifications are subject to change without notice.

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  • Page 1 MVD4540C SERVICE MANUAL DVD VIDEO PLAYER & VHS VIDEO CASSETTE RECORDER ORIGINAL MFR'S VERSION A Design and specifications are subject to change without notice.

  • Page 2: Preparation Of Servicing

    CAUTION THIS DIGITAL VIDEO PLAYER EMPLOYS A LASER SYSTEM. TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE- FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE, CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE. USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

  • Page 3: Important Service Safety Information

    IMPORTANT SERVICE SAFETY INFORMATION Safety precautions to be followed during servicing: Parts marked with an are critical parts for safety. Replace only with the one described in the parts list. Before returning the DVD product to the customer, make the appropriate leakage current check or resistance measurements to ensure that exposed parts are properly insulated from the supply circuit.
  • Page 4 IMPORTANT SAFEGUARDS READ INSTRUCTIONS All the safety and operating instructions should be read before the unit is operated. RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference. HEED WARNINGS All warnings on the unit and in the operating instructions should be adhered to. FOLLOW INSTRUCTIONS All operating and use instructions should be followed.
  • Page 5 IMPORTANT SAFEGUARDS (CONTINUED) OUTDOOR ANTENNA GROUNDING If an outside antenna or cable system is connected to the unit, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA 70, provides information with respect to proper grounding of the mast and support- ing structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.
  • Page 6 IMPORTANT SAFEGUARDS (CONTINUED) EXAMPLE OF ANTENNA GROUNDING AS PER THE NATIONAL ELECTRICAL CODE ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING NEC-NATIONAL ELECTRICAL CODE ELECTRODE SYSTEM (NEC ART 250, PART H) S2898A...

  • Page 7: When Replacing Dvd Deck

    WHEN REPLACING DVD DECK [ When the removal of the DVD Deck ] Before removing Pick Up PCB and DVD PCB connector, make the short circuit on the position as shown Fig. 1 using a soldering. If you remove the DVD Deck with no soldering, the Laser may be damaged.

  • Page 8: Tape Removal Method At No Power Supply

    TAPE REMOVAL METHOD AT NO POWER SUPPLY Remove the Top Cabinet, Front Cabinet and DVD Block. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Remove the screw 1 of the Deck Chassis and remove the Loading Motor. (Refer to Fig. 2) Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape.

  • Page 9: Table Of Contents

    CONTENTS CAUTION ............................ A1-1 PREPARATION OF SERVICING ....................A1-1 IMPORTANT SERVICE SAFETY INFORMATION ..............A1-2 IMPORTANT SAFEGUARDS ..................... A1-3~A1-5 WHEN REPLACING DVD DECK ....................A1-6 TAPE REMOVAL METHOD AT NO POWER SUPPLY ............A1-7 DISC REMOVAL METHOD AT NO POWER SUPPLY ............. A1-7 PARENTAL CONTROL-RATION LEVEL ..................

  • Page 10: General Specifications

    GENERAL SPECIFICATIONS Outline of the product DVD VIDEO PLAYER & VHS Player / Recorder DVD System Color System NTSC Disc DVD, CD-DA, CD-R/RW Disc Diameter 120 mm , 80 mm Deck Disc Loading System Front Disc Loading Motor 3 Motors Pick up 1-Lens 2-Beams System Playback time (Max)
  • Page 11 GENERAL SPECIFICATIONS Power Power Source 120V 60Hz Power Consumption 18 W at 120V 60Hz Stand by 2 W at 120V 60Hz Per Year -- W Protector Power Fuse Safety Circuit IC Protector(Micro Fuse) Regulation Safety Radiation Laser DHHS Temperature Operation 5oC - 40oC Storage -20oC - 60oC...
  • Page 12 GENERAL SPECIFICATIONS G-10 On Screen Menu Display (DVD) Menu Type Character Language Menu Subtitle Audio Picture TV Screen Size OSD Display On/Off JPEG Interval Select Files E.B.L. (Enhanced Black Level) Sound DRC (Dynamic Range Control) Dialogue On:DRC(TV)/ Off:DRC(Std) dts Decode Output (5.1ch/2ch) Surround On/Off Center On/Off...
  • Page 13 GENERAL SPECIFICATIONS On Screen Menu Display(VCR) Menu Type Character Timer Rec Set Auto Repeat On/Off SAP On/Off CH Set-Up TV/CABLE Auto CH Memory Add/Delete System Set Up Clock Set Yes (Calendar 12H) Language No Noise Back Ground Auto Clock Standard Time Daylight Saving Time G-CODE(or SHOWVIEW or PLUSCODE)No.
  • Page 14 GENERAL SPECIFICATIONS G-14 Remote Unit RC-JN Control Glow in Dark Remocon Format Custom Code 71-8E Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys 46 Keys Keys Power DISPLAY Input Select Input Select / PROGRESSIVE UP/CH+ DOWN/CH- LEFT/ SET- / TRACKING- RIGHT/ SET+ / TRACKING+...
  • Page 15 GENERAL SPECIFICATIONS Features Auto Head Cleaning (VCR) Auto Tracking HQ (VHS Standard High Quality) Auto Power On, Auto Play, Auto Rewind, Auto Eject Auto Power Off Forward/Reverse Picture Search VIDEO PLUS+ (SHOWVIEW, G-CODE) One Touch Playback Auto CH Memory AREA CODE Auto Clock Set Index Search SQPB...
  • Page 16 GENERAL SPECIFICATIONS G-17 Interface Switch Front Power Play Eject (VCR) Stop Rec/OTR Open/Close (DVD) CH + CH - FF/ Search(>>) Rew/Search(<<) Still/Pause Shuttle (Search/REV/FWD) DVD/VCR Main Power SW Rear Attenuator S-Video/Component Video Selector RF Out (Slide SW) Main Power SW Volume Phones Volume Mic Volume...

  • Page 17: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS REMOVAL OF MECHANICAL PARTS 1-3: DVD DECK/DVD PCB (Refer to Fig. 1-3) AND P.C. BOARDS Make the short circuit on the position as shown Fig. 1-3 using a soldering. If you remove the DVD Deck with no 1-1: TOP CABINET/FRONT CABINET/OPERATION PCB soldering, the Laser may be damaged.
  • Page 18 DISASSEMBLY INSTRUCTIONS 1-4: VCR DECK (Refer to Fig. 1-4) NOTE Do not remove the cable at the FE Head section. The FE Head may be damaged if you remove the cable by force. Remove the screw 1. Remove the FE Head. Move the Cassette Holder Ass’y to the back side.

  • Page 19: Removal Of Vcr Deck Parts

    DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF VCR DECK PARTS NOTE In case of the Locker R installation, check if the one 2-1: TOP BRACKET (Refer to Fig. 2-1) position of Fig.2-3-B are correctly locked. Extend the 2 supports 1. When you install the Cassette Side R, be sure to move Slide the 2 supports 2 and remove the Top Bracket.
  • Page 20 DISASSEMBLY INSTRUCTIONS 2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) 2-7: TENSION ASS'Y (Refer to Fig. 2-7-B) Remove the screw 1. Turn the Pinch Roller Cam clockwise so that the Remove the Loading Motor. Tension Holder hook is set to the position of Fig. 2-7-A Remove the Worm.
  • Page 21 DISASSEMBLY INSTRUCTIONS 2-8: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-8-A) Remove the T Brake Spring. Idler Gear Turn the T Brake Arm clockwise and bend the hook Idler Arm Ass'y section to remove it. Unlock the 2 supports 1 and remove the T Brake S Reel Band.
  • Page 22 DISASSEMBLY INSTRUCTIONS 2-10: CASSETTE OPENER/PINCH ROLLER BLOCK/ P5 ARM ASS'Y (Refer to Fig. 2-10-A) Unlock the support 1 and remove the Cassette Opener. Remove the Pinch Roller Block and P5 Arm Ass'y. Cassette Opener Spring Position Fig. 2-11-B 2-12: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-12) Pinch Roller Block Remove the screw 1.
  • Page 23 DISASSEMBLY INSTRUCTIONS 2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14) Remove the Capstan Belt. Remove the screw 1. Pinch Roller Cam Remove the Capstan Holder. Remove the 3 screws 2. Marker Remove the Capstan DD Unit. Main Cam Capstan Belt Capstan Holder Fig.
  • Page 24 DISASSEMBLY INSTRUCTIONS 2-17: CLUTCH ASS'Y/RING SPRING/CLUTCH LEVER/ Cassette Guide Post CLUTCH GEAR (Refer to Fig. 2-17-A) Remove the Polyslider Washer 1. Remove the Clutch Ass'y and Ring Spring. Inclined Base S Inclined Base T Unit Remove the Clutch Lever. Unit Remove the Coupling Gear, Coupling Spring and Clutch Gear.

  • Page 25: Removal Of Dvd Deck Parts

    DISASSEMBLY INSTRUCTIONS 3. REMOVAL OF DVD DECK PARTS NOTE In case of the Main Chassis Ass'y, install it from (1) to NOTE (4) in order. (Refer to Fig. 3-2-B) 1. Do not disassemble the DVD DECK PARTS except In case of the Main Chassis Ass'y installation, hook the listed parts here.
  • Page 26 DISASSEMBLY INSTRUCTIONS NOTE 3-5: CLAMPER ASS'Y (Refer to Fig. 3-5-A) In case of the Pulley Motor installation, check if the Press the Clamper and rotate the Clamper Plate clockwise, then unlock the 3 supports 1. value of the Fig. 3-3-B is correct. When installing the Loading Motor PCB Ass'y, install it Remove the Clamper Plate, Clamper Magnet and correctly as Fig.
  • Page 27 DISASSEMBLY INSTRUCTIONS Insulator (R) ~ FEED MOTOR ~ Main Chassis Ass'y (Top Side) BLUE (4) ORANGE (3) Switch PCB Ass'y Fig. 3-6-C ~ SPINDLE MOTOR ~ BLACK (2) 3-7: RACK FEED ASS'Y/SWITCH PCB ASS'Y/FEED RED (1) MOTOR (Refer to Fig. 3-7-A) •...

  • Page 28: Removal And Installation Of Flat Package Ic

    DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 4-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 29 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 4-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 30: Key To Abbreviations

    KEY TO ABBREVIATIONS Audio/Control H.SW Head Switch Automatic Color Control Hertz Audio Erase Integrated Circuit Automatic Frequency Control Intermediate Frequency Automatic Fine Tuning Indicator AFT DET Automatic Fine Tuning Detect Inverter Automatic Gain Control Killer Amplifier Left Antenna Light Emitting Diode A.PB Audio Playback LIMIT AMP...
  • Page 31 KEY TO ABBREVIATIONS SYNC Synchronization SYNC SEP Sync Separator, Separation Transistor TRAC Tracking TRICK PB Trick Playback Test Point UNREG Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse, Voltage Display V.PB Video Playback Variable Resistor V.REC Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source...

  • Page 32: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit or on the main unit and on the remote control for more than a standard time in the appropriate condition.

  • Page 33: Preventive Checks And Service Intervals

    PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Parts replacing time does not mean the life span for individual parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. The following list means standard hours, so the checking hours depends on the conditions.
  • Page 34 PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING 2. TAPE RUNNING SYSTEM When cleaning the tape transport system, use the NOTE gauze moistened with isopropyl alcohol. After cleaning the heads with isopropyl alcohol, do not 3. CYLINDER run a tape until the heads dry completely. If the heads are not completely dry and alcohol gets on the tape, Wrap a piece of chamois around your finger.

  • Page 35: When Replacing Eeprom (Memory) Ic

    WHEN REPLACING EEPROM (MEMORY) IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. NOTE: INI 34 and INI 35 cannot be set. Because, the total time for the PLAY/REC of the main unit is recorded. INIT +0 Table 1 Connect the set to TV Monitor.

  • Page 36: Servicing Fixtures And Tools

    SERVICING FIXTURES AND TOOLS (For 2 heads model) (For 4 heads model) JG002B Adapter JG005 Post Adjustment VHS Alignment Tape VHS Alignment Tape JG002E Dial Torque Gauge Screwdriver JG001 JG001B S-LI6 S-LI6 (10~90gf•cm) Part No. SV-TG0-030-000 JG001A S-CO1 JG001I S-CO1 JG002F (60~600gf•cm) (small)

  • Page 37: Mechanical Adjustments

    MECHANICAL ADJUSTMENTS 1. CONFIRMATION AND ADJUSTMENT 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION Read the following NOTES before starting work. Set to the PLAY mode. • Place an object which weighs between 450g~500g on Adjust the adjusting section for the Tension Arm the Cassette Tape to keep it steady when you want to position so that the Tension Arm top is within the make the tape run without the Cassette Holder.
  • Page 38 MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE NOTE Install the Torque Gauge (JG002F) and Adapter (JG002B) If the torque is out of the range, replace the following parts. on the S Reel. Set to the Picture Search (Rewind) mode. Check item Replacement Part (Refer to Fig.1-4-B) Idler Ass’y/Clutch Ass’y...
  • Page 39 MECHANICAL ADJUSTMENTS 2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/ 2-3: TAPE RUNNING ADJUSTMENT CONTROL HEAD (X VALUE ADJUSTMENT) When the Tape Running Mechanism does not work well, Confirm and adjust the height of the Reel Disk. adjust the following items. (Refer to item 1-1) Confirm and adjust the position of the Tension Post.
  • Page 40 MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1. Tension Connect P4 Post 2. Tension Arm T Brake Spring 3. Guide Roller T Reel 4. Audio/Control Head S Reel 5. X value adjustment driver hole Adjusting section for the Tension Arm position D2-4...

  • Page 41: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS Read and perform this adjustment when repairing the circuits or replacing electrical parts or PCB assemblies. 1. BASIC ADJUSTMENT CAUTION • When you exchange IC and Transistor for a heat sink, apply the silicon grease (YG6260M) on the contact section of the heat sink.

  • Page 42: Dvd

    ELECTRICAL ADJUSTMENTS 2. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) AC IN CD501 VCR PCB CP102 S501 S502 CP8001 CP103 FE HEAD AC HEAD TP101 TP701 CP501 TP3002 TP3001 CP651 OS651 V651 CD681 CP681 OPERATION PCB CD501 DVD DECK CP2603 CP8101 CP2602 CD4002...
  • Page 43 DVD BLOCK DIAGRAM FLASH 8M SDRAM 64M IC4005 IC4007 HY57V641620HGT-7 SST39VF800A70-4C-EK-D HD0~H120 SDA0~SDA11 DVD LOADER HA0~HA20 SDD0~SDD15 FROM/TO POWER RFA_SDEN,DATA,SCLK A,B,C,D,E,F CD4002 AAF_CE,FE,TE,PI READ CHANNEL CU2B2201 GND(D) FNN,FNP GND(D) IC2601 Pick up CD,DVD,LD VBIASS0,S1 GND(M) ZR36708TQC MPEG Decoder P.CON+9V DEFECT,LINK,MIRR,LDON P.CON+A5V Spindle Moter 1.9V...
  • Page 44 Y/C/AUDIO/CCD/HEAD MAP BLOCK DIAGRAM X101 3.578545M Hz Q109 Q107 BUFFER Y/C/AUDIO/CCD/HEAD AMP IC BUFFER IC101 LA71206M 4FSC PULL VX01 Y/C_CS SERIAL DRIVER Y/C_DATA SYSCON TIMMING CLAMP DECODER Y/C_CLK H.SW DETAL FM-EQ EMPHA CLAMP CP101 CONV C-LPF EP/LP-CH2 (L) Y-LPF EP/LP_COM EP/LP-CH1 (R) H.AMP B-UP...

  • Page 45: Y/C/Audio/Ccd/Head Amp

    SYSTEM CONTROL BLOCK DIAGRAM SYSCON/TIMER/SERVO REC_MUTE_H IC3001 OEC0138A AUDIO_MUTE-H REC_MUT_H 82 DVD_POWER_CTL DVD_POWER_CTL IIC_CLK HIFI/ 4FSC IN 22 VCR_POWER_ON-L IIC_DATA POWER ON-L DEMODULATOR HIFI ENV 32 HIFI_ENV.DET POWER_FAIL POWER FAIL POWER HIFI H.SW 106 HIFI_H.SW ST SELECT 31 ST_SELECT OSC 2 X1001 10MHz OSC 1...
  • Page 46 OPERATION/DISPLAY BLOCK DIAGRAM V651 C02D0M3-A 14 15 13 12 11 10 8 Q651 5G SW 5G/CS/BS_LED Q652 SEG10 SEG10 SW Q653 SEG9 SEG9 SW Q654 4G SW 4G/T_SHT_LED Q655 SEG8 SW SEG8 Q656 SEG7 SW SEG7 Q657 SEG6 SW SEG6 Q658 SEG5 SW SEG5...
  • Page 47 HiFi/DEMODULATOR BLOCK DIAGRM HIFI AUDIO/H.AMP/DEM IC IC701 LA72670BM-L-MPB-E DVD_A_OUT-R DVD_A_OUT-L FRONT_A_IN-R FRONT_A_IN-L INPUT SW AUDIO_OUT_R HF_COM OUTPUT TUNER/JACK AUDIO_OUT_L ALC/ RF_CONV_A.OUT MUTE Y/C/AUDIO/CCD /HEAD AMP SIF OUT FROM_NORMAL_A TO_NORMAL_A NOISE BLOCK REDUCTION HIFI_ENV. DET HIFI_H.SW AT+5.2V AUDIO_MUTE-H P.CON+9V POWER SYSCON IIC_CLK LOGIC IIC_DATA...
  • Page 48 TUNER/JACK BLOCK DIAGRAM FRONT AV JACK VIDEO AUDIO R REAR OUT JACK AUDIO L J8003 J8005 J8004 J8001 VIDEO MUTE H Q8004 SYSCON VIDEO_OUT BUFFER Q8003 SW V OUT VIDEO OPTICAL MUTE SW OS8001 DVD V OUT P. CON+12V FRONT_V_IN Y/C/AUDIO/CCD HEAD AMP +32V...
  • Page 49 POWER BLOCK DIAGRAM AT+12.6V SYSCON L501 T501 D505, D506 Q510 D502, D503 P.CON+12V TUNER/JACK AC IN P.CON+12V Q509 P.CON SW VCR POWER ON-L SYSCON OPERATION/DISPLAY AT+5.2V Q503 P.CON+5V P.CON+5V Q506 Q504 M-CON M-CON+5V AT+5V (M-CON) POWER SW. SYSCON Q513 Q514 POWER FAIL POWER FAIL POWER FAIL...

  • Page 50: Printed Circuit Boards

    PRINTED CIRCUIT BARDS DVD (BOTTOM SIDE) DVD (TOP SIDE) CP2603 R2651 CP2601 CP2602 R2650 HS2301 Q2603 D2601 Q2604 Q2605 R2647 Q2602 R2615 IC2301 R2623 R2620 R2616 R2622 R2604 R2331 R2617 R2324 IC2601 C2610 C2612 C2613 R2609 C2616 C2622 R2645 R2646 MOTOR R4043 R2648...

  • Page 51: Vcr/Operation

    PRINTED CIRCUIT BARDS VCR/OPERATION (INSERTED PARTS) SOLDER SIDE D685 VEDA46A OPEN/CLOSE STOP PLAY TV/VCR REC/OTR T-REC POWER CH_DOWN CH_UP EJECT VCR/DVD J8004 J8005 J8003 W040 SW655 SW654 SW653 SW651 V651 C652 CP651 W108 W178 W177 R651 C8019 R653 W839 R517 W840 W173 W003...
  • Page 52 PRINTED CIRCUIT BARDS VCR (CHIP MOUNTED PARTS) SOLDER SIDE R8032 R8056 R8049 Q301 Q8001 R8029 R8010 Q8009 R302 Q8010 Q8008 Q8006 R8025 Q8005 R8017 R8030 R110 Q8012 Q8011 R101 Q8002 Q101 Q102 IC8001 Q103 R8047 R8034 R127 R716 R3008 R126 Q8003 R3035 Q8007...
  • Page 53 PRINTED CIRCUIT BOARDS LOADING MOTOR (INSERTED PARTS) LOADING MOTOR (CHIP MOUNTED PARTS) SOLDER SIDE SOLDER SIDE CD2302 SOLDER SIDE CD2301 M2601 M2602...
  • Page 54 MPEG/MICON/DSP SCHEMATIC DIAGRAM C4038 (DVD PCB) 0.01 B FROM/TO AUDIO/VIDEO W817 DUPTD1 SYS_MUTE DVD-H JG001 UNREG+3.8V V_SW JG002 DAC_VIDEO_A JG003 DAC_VIDEO_C BOOT2 R4002 75 +-1% C4088 DAC_VIDEO_B JG004 BOOT1 0.01 B DAC_VIDEO_D R4003 75 +-1% JG005 R4052 ASDATA0 DUPTD1 R4004 82 +-1% C4089 ABCLK...
  • Page 55 MEMORY SCHEMATIC DIAGRAM (DVD PCB) FROM/TO MPEG/MICON/DSP FLASH IC 8M IC4007 SST39VF800A-70-4C-EK-D SD_A0 SD_A1 HA16 HA15 SD_A2 SD_A3 C4064 SD_A4 HA14 VCCQ SD_A5 0.1 F SD_A6 64M SDRAM IC SD_A7 HA13 IC4005 HY57V641620HGT-7 SD_A8 SD_A9 SD_A10 HD15 HA12 DQ15 SD_A11 SD_D15 SD_D0 DQ15...
  • Page 56 RF AMP/DSP SCHEMATIC DIAGRAM (DVD PCB) FROM/TO MPEG/MICON/DSP TOUT_SW TIN_SW RFA_SDEN RFA_DATA RFA_SCLK AAF_CE AAF_FE FROM/TO LODER AAF_TE R2620 AAF_PI VR DVD CTL CP2601 VR_SEL Q2603 4.7K 09-5000-024-001-001 R2647 2SK3018 VR CD CTL JG023 JG024 VBIASS0 4.7K Q2604 R2623 VBIASS1 VR SEL CTL 2SK3018 DEFECT...
  • Page 57 AUDIO/VIDEO SCHEMATIC DIAGRAM (DVD PCB) C8115 W815 DAC_VIDEO_A DAC_A_VIDEO 12P CH L8105 FROM/TO MPEG/MICON/DSP 0305 DAC_VIDEO_A C8105 W818 CVBS DAC_VIDEO_C DAC_C_VIDEO DAC_VIDEO_C DAC_VIDEO_B 12P CH DAC_VIDEO_D L8102 P.CON+5V 0305 CVBS CVBS CVBS C8108 RESET W819 DAC_VIDEO_B DAC_B_VIDEO 12P CH L8103 AMCLK ABCLK 0305...
  • Page 58 Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (VCR PCB) BUFFER Q109 KTC3875S_Y_RTK R129 1.8K FROM/TO POWER P.CON+5V FROM/TO TUNER/JACK DVD_V_OUT[DAC_D] C142_1 FRONT_V_IN TU/REAR_V_IN C143 Y/C_VIDEO_OUT FROM/TO HI-FI/DEMODULATOR R127 C141 680K 0.01 B W828 4FSC TO_NORMAL_A FROM_NORMAL_A HF_COM BUFFER C166 COMP OUT ALWAYS 4Fsc CLOCK AUDIO C-ROT...
  • Page 59 SYSCON SCHEMATIC DIAGRAM (VCR PCB) TP3002 H.SW FROM/TO Y/C/AUDIO/CCD/H.AMP C3025 FROM/TO POWER DUMMY_V.SYNC 15P CH C.SYNC RX DRIVE X3001 10MHz Q3003 V.REC_ST-H DTA124EKA C.ROTARY 100GT01006 DVD_POWER_CTL AUDIO_MUTE-H R3034 AT+12.6_V CTL- P.CON+5V CTL+ AT+5V[M-CON] H.AMP_SW VCR_POWER_ON-L COMP R3057 C3061 CAP_LIMIT RX DRIVE ENV.DET POWER_FAIL 0.1 F...
  • Page 60 TUNER/JACK SCHEMATIC DIAGRAM REAR OUT JACK (VCR PCB) DVD AUDIO OUT YUV OUT J8001 VIDEO OUT SW FROM/TO AUDIO/VIDEO J8006 J8007 SW8001 MSP-213V1-432_NI_LF MSP-213V1-732_NI_LF MSP-213V1-652_NI_LF SK42H01G9A C8020 CP8001 (CP8101_2) RF MUTE SW IMSA-9604S-14C 100P CH V_SW Q301 V SW KTC3875S_Y_RTK DVD_Y_VIDEO[DAC_A] TU301 Y(G)
  • Page 61 OPERATION/DISPLAY SCHEMATIC DIAGRAM (VCR PCB) V651 CO2D0M3-A SEG1 SW Q664 DTC124EKA R674 FROM/TO SYSCON 1G SW DVD_LED Q665 KTA1504S_Y_RTK VCR_LED 1G/VCR/T-REC_LED SEG2 SW 2G/DUB/REC_LED Q663 3G/TV/VCR_LED DTC124EKA R673 4G/VSC_LED 5G/CS/BS_LED SEG3 SW SEG10 SW Q662 Q652 SEG_1 DTC124EKA DTC124EKA SEG_2 R672 R662 SEG_3...
  • Page 62 Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM (VCR PCB) C746 FROM/TO TUNER/JACK FRONT_A_IN_R FRONT_A_IN_L SIF_OUT R710 DVD_A_OUT_L DVD_A_OUT_R 390K 1/4W RF_CONV_A_OUT C717 A GND RIPPLE ST_SELECT AUDIO_OUT_L VREF FILTER AUDIO_OUT_R C723 R724 R-CH HIFI_H.SW STEREO PILOT STEREO DEMOD 1K 1/4W FILUTER R728 100 1/4W R718 HOLD C718...
  • Page 63 POWER SCHEMATIC DIAGRAM (VCR PCB) MOTOR_GND W816 FROM/TO Y/C/AUDIO/CCD/H.AMP P.CON+5V D520 W818 AT+12.6_V D506 C516_1 1N4005-EIC P.CON+12V SW 1N4005-EIC 250V 0.0022 Q510 2SD1207 L505 D507 12.4 12.2 P.CON+12V D503 FROM/TO SYSCON RGP15J 22uH 0305 1N4005-EIC 12.8 C531 500V 560P AT+5.2V DVD_POWER_CTL P.ON SW Q509...
  • Page 64 OPERATION/LED SCHEMATIC DIAGRAM (OPERATION PCB) DVD LED D685 R685 R686 R687 R688 R689 13K 1/4W 6.8K 1/4W 3.9K 1/4W 2.7K 1/4W 3.3K 1/4W LTL-1CHEE-002A FROM/TO OPERATION/DISPLAY CP681 (CP651) IMSA-9604S-05F DVD LED KEY-A KEY-B R690 22K 1/4W CD681 2H051202 PCB270 VEDA46 NOTE:THE DC VOLTAGE EACH PART WAS MEASURED WITH THE DIGITAL TESTER NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME...
  • Page 65 LOADING MOTOR/SW SCHEMATIC DIAGRAM (LOADING MOTOR PCB) (SW PCB) SSS-13-2 CD2302 2H052601 ESE22MH24 CD2301 SW-2(CLOSE) 2H062102 GND(SW) GND(SW) SW-1(OPEN) PICK UP INNER LIMIT SWITCH LOADING MOTOR(+) FEED MOTOR (-) M2602 LOADING MOTOR(-) BCZ3B03 FEED MOTOR (+) M2603 SPINDLE MOTOR (-) BCZ3B52 SPINDLE MOTOR (+) M2601...

  • Page 66: Loading Motor/Sw

    INTERCONNECTION DIAGRAM OPERATION PCB FULL ERASE HEAD ASS’Y PCB270 VEDA46 COMMAND TRANSMITTER TM601 HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR CP2601 OS651 Vout CP501 CD4002 GND(D) GND(D) HALL HALL SWITCH GND(D) GND(D) MON(DVD) MON(DVD) LOGIC NC(SW) NC(SW) DRIVE DM-3S VOL(DVD) VOL(DVD) CP3001...

  • Page 67: Mpeg/Micon/Dsp

    WAVEFORMS MPEG/MICON/DSP Y/C/AUDIO/CCD/HEAD AMP 10ns 500µs 10µs 1.0V 1.0V 500mV MEMORY 500µs 200µs 1.0V 100ns 500mV 100mV RF_AMP/DSP 10µs 200ns 200mV 200mV 100mV 10µs 200ns 200ms 100mV 100mV 500mV AUDIO/VIDEO 10µs 10µs 5µs 200mV 100mV The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.

  • Page 68: Syscon

    WAVEFORMS SYSCON 500µs 2.0V 1.0V 200mV TUNER/JACK 10µs 500µs 200µs 200mV 1.0V 200mV TUNER/JACK Hi-Fi/DEMODULATOR POWER ON 50ns 500µs 10ms 1.0V 100mV 1.0V 500µs 500µs 1.0V 100mV 2.0V POWER 5µs 500µs 500mV 500mV 200mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 69 WAVEFORMS 5µs 5.0V TUNER/JACK 200ns 20mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 70: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW PCB130 (DVD PCB ASS'Y) 101C 101G 101H PCB010 101D (VCR PCB ASS'Y) 101F 101G 101I 101E PCB270 (OPERATION PCB ASS'Y) 101A 101B 101I I1-1...

  • Page 71: Chassis Exploded Views

    CHASSIS EXPLODED VIEW (TOP VIEW) CD1501 M2003 UN4001 H5002 H5001 CD1502 M101 NOTE: Applying positions AA, AB, AC, AD and AE for CLASS PART NO. PART NAME MARK the grease are displayed for this section. GREASE Y315061000 G-555G Check if the correct grease is applied for each MG-33 Y315071000 position.
  • Page 72 CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 CD1501 CD1502 NOTE: Applying positions AA, AB, AC, AD and AE for CLASS PART NO. PART NAME MARK the grease are displayed for this section. GREASE Y315061000 G-555G Check if the correct grease is applied for each Y315071000 MG-33 position.

  • Page 73: Dvd Deck Exploded View

    DVD DECK EXPLODED VIEW Cannot supply by a unit. M2603 PCB610 (LOADING MOTOR PCB ASS'Y) CD2302 CD2301 PCB640 CD2001 (SW PCB ASS'Y) Do not replace the parts. Because, minute adjustments are needed if this condition is disassembled further more. If the repair is needed, replace the DVD MECHA ASS'Y.

  • Page 74: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION 7A7010032A FRONT CABI ASS'Y 101A 701WPJC393 CABINET,FRONT 101B 711WPDA628 PLATE,DISPLAY 101C 712WPJB882 FLAP 101D 713WPA0193 GLASS,LED-VCR 101E 713WPA0194 GLASS,LED-DVD 101F 735WPB0258 BUTTON,FRAME-DVD 101G 735WPB0259 BUTTON,FRAME-VCR 101H 743WKA0042 SPRING,FLAP 101I 800WFAA015 CUSHION,LEG 701WPA0686 HOLDER,DECK 701WPA0751 HOLDER,DECK 702WSA0216 PLATE,BOTTOM...

  • Page 75: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION A2D801T420K DECK ASSY A2D801T420K 8107226804 SCREW,TAP TITE(S) BIND 2.6x8 83ETW30000 E-RING 85OA400240 PINCH ROLLER BLOCK (VA) 8107226404 SCREW,TAP TITE(S) BIND 2.6x4 85OA500026 AHC ASS'Y 8102120604 SCREW,PAN M2x6 85OP200290 BELT,CAPSTAN (S) 8109126604...

  • Page 76: Dvd Deck Replacement Parts List

    DVD DECK REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A2D801X650 DVD MECHA ASS'Y A2D801X650 92P100098A HOLDER,TRAVERSE 92P100094A CLAMPER 92P100088A GEAR,MOTOR 92AAA0013A FEED RACK ASS'Y 92P200013A INSULATOR(F) 92P200014A INSULATOR(R) 92SBB0020A LOADER SUB ASS'Y 92P100095A GEAR,PULLEY 92P100097A PULLEY,MOTOR 92P100096A GEAR,MAIN 92P200012A BELT,LOADING 92P000014A PLATE,CLAMPER...

  • Page 77: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS ! R501 R0G3K2335K 3.3M OHM 1/2W IC4007 ICMJ0800A8 SST39VF800A-70-4C-EK-D ! R502 R3X181010J R,METAL OXIDE OHM 1W IC8001 I0QJ045800 NJM4580M(TE1) ! R503 R002T2155J 1.5M OHM 1/2W IC8005 I0UF015010 MM1501XNRE...
  • Page 78 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION COILS &TRANSFORMERS *** RESISTORS *** L3003 021LA6120J COIL NR4001 110P4101M4 R,NETWORK 4D03WGJ0101T5E L4001 02167F2R2J COIL 2.2 UH NR4002 110P4101M4 R,NETWORK 4D03WGJ0101T5E L8001 021LA6R33M COIL 0.33 UH NR4003 110P4101M4 R,NETWORK 4D03WGJ0101T5E...
  • Page 79 SPEC.NO. M2D8-11H O/R NO. K462001...

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