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Memorex MVDT2402 Service Manual

Color television/video cassette recorder/ dvd video player
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MVDT2402
SERVICE MANUAL
COLOR TELEVISION/VIDEO CASSETTE RECORDER/
DVD VIDEO PLAYER
ORIGINAL
MFR'S VERSION A
Design and specifications are subject to change without notice.
CLASS 1
LASER PRODUCT

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Summary of Contents for Memorex MVDT2402

  • Page 1 CLASS 1 LASER PRODUCT MVDT2402 SERVICE MANUAL COLOR TELEVISION/VIDEO CASSETTE RECORDER/ DVD VIDEO PLAYER ORIGINAL MFR’S VERSION A Design and specifications are subject to change without notice.

  • Page 2: Important Warning

    IMPORTANT WARNING CAUTION: DVD PLAYER IS A CLASS 1 LASER PRODUCT. HOWEVER THIS PLAYER USES A VISIBLE LASER BEAM WHICH COULD CAUSE HAZARDOUS RADIATION EXPOSURE IF DIRECTED. BE SURE TO OPERATE THE PLAYER CORRECTLY AS INSTRUCTED. THE FOLLOWING CAUTION LABEL IS LOCATED ON THE REAR PANEL OF THE PLAYER. CLASS 1 LASER PRODUCT (Printed on the Rear Panel)

  • Page 3: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.

  • Page 4: 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 5: Disc Removal Method At No Power Supply

    DISC REMOVAL METHOD AT NO POWER SUPPLY Remove the Back Cabinet and AV PCB/DVD Block. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Rotate the Main Gear in the direction of the arrow by hand. (Refer to Fig. 1) Draw the Tray. Main Gear Deck CD Fig.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS A1-1 IMPORTANT WARNING ......................A1-2 SERVICING NOTICES ON CHECKING .................. A1-2 HOW TO ORDER PARTS ....................... WHEN REPLACING DVD DECK................... A1-3 TAPE REMOVAL METHOD AT NO POWER SUPPLY ............A1-3 DISC REMOVAL METHOD AT NO POWER SUPPLY ............A1-4 A1-4 PARENTAL CONTROL-RATING LEVEL ................

  • Page 7: General Specifications

    GENERAL SPECIFICATIONS G - 1 CRT Size / Visual Size 24 inch / 600mmV S ystem CRT Type Flat Deflection degree Magnetic Field BV/BH + 0.45 G / 0.18 G Color System NTSC Speaker 2 Speaker Position Front Size 1.8 x 3.9 Inch Impedance Sound Output 1.5W + 1.5W...
  • Page 8 GENERAL SPECIFICATIONS Output Level(-20dBFs 0dBFs=2.0Vrms) -12.0dBm/1k ohm Digital Output Level 0.5 V p-p/75 ohm(DVD) S/N Ratio at DVD (Weighted) 90 dB S/N Ratio at VCR (SP)(CCIR Filter:ON) 38 dB Harmonic Distortion at DVD Mode 0.06% (1kHz) Harmonic Distortion at VCR(SP) Mode 1.5% (1kHz) Typical Frequency Response :...
  • Page 9 GENERAL SPECIFICATIONS Index Mute Hi-Fi Repeat Zero Return G - 1 1 On Screen Menu (DVD) Display Menu Type Character ( D V D ) Language Menu Subtitle Audio Picture TV Screen Size(4:3) OSD Display On/Off JPEG Interval Select Files Sound DRC (Dynamic Range Control) dts Decode...
  • Page 10 GENERAL SPECIFICATIONS Auto Shut Off No Signal No Operation Timer Back-up (at Power Off Mode) G - 1 4 R emote Unit RC-HH Control Glow in Dark Remocon U n i t Format Custom Code 71-8E Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys...
  • Page 11 GENERAL SPECIFICATIONS TV Auto Shut off Function End Call Index Search SQPB CATV CM Skip(30sec x 6 Times) Comb Filter (2Lines) VM Circuit TV Monitor Program Extend Choke Coil Energy Star Protect of FBT Leak Circuit Zero Return Power On Memory Dirty Head V-chip USA V-chip...
  • Page 12 GENERAL SPECIFICATIONS REC/OTR (VCR) Play (DVD) Stop (DVD) Skip+ /Search+ (DVD) Skip- /Search- (DVD) Open/Close (DVD) Input Select Main Power SW Indicator Power Yes(Red) REC/OTR Yes(Red) T-REC Yes(Red) TV/VCR Terminals Front Video Input RCA x 1 Audio Input RCA x 2(Stereo) Other Terminal HeadPhone (Stereo &...

  • Page 13: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1-3: TV/DVD/VCR BLOCK (Refer to Fig. 1-3) 1. REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS Remove the 2 screws (1). Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP303, CP404 and CP1704). Remove the 6 screws (1). Remove the TV/DVD/VCR Block in the direction of Remove the 2 screws (2).
  • Page 14 DISASSEMBLY INSTRUCTIONS 1-5: VCR PCB (Refer to Fig. 1-5) 1-7: DVD PCB/DVD DECK (Refer to Fig. 1-7) Remove the 6 screws (1). Make the short circuit on the position as shown Fig. Remove the screw (2). 1-7 using a soldering. If you remove the DVD Deck Remove the AV Jack Shield.

  • Page 15: 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 16 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 17 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 18 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 19 DISASSEMBLY INSTRUCTIONS 2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14) NOTE Remove the Capstan Belt. In case of the Pinch Roller Cam and Main Cam Remove the screw 1. installation, install them as the circled section of Fig. 2- Remove the Capstan Holder. 15-B so that the each markers are met.
  • Page 20 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 21: 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 22 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 23 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 24: Removal Of Anode Cap

    DISASSEMBLY INSTRUCTIONS 4. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.

  • Page 25: 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. 5-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 26 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. 5-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 27: 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 28 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 29: Service Mode List

    SERVICE MODE LIST 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 actual clock time. Then press and hold Vol (-) button of main unit and remocon key simultaneously.

  • Page 30: 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 31 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 32: 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: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 5 seconds before Power On.

  • Page 33: 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 34: 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 35 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 36 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 37 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 38: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION ADJUSTMENTS OSD H BRI MAX OSD C BRI MIN Read and perform these adjustments when repairing the CUT OFF CONT CENT H.POSI CONT MAX circuits or replacing electrical parts or PCB assemblies. H.BLK L CONT MIN CAUTION H.BLK R...
  • Page 39 ELECTRICAL ADJUSTMENTS (TV SECTION) 2-7: HORIZONTAL SIZE Receive the monoscope pattern. 2-2: CONSTANT VOLTAGE Using the remote control, set the brightness and contrast Set condition is AV MODE without signal. to normal position. Using the remote control, set the brightness and contrast Activate the adjustment mode display of Fig.

  • Page 40: Dvd

    ELECTRICAL ADJUSTMENTS 2-12: PARABOLA 2-17: BRIGHT CENTER Receive the crosshatch signal from the Pattern Generator. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to Using the remote control, set the brightness and contrast select "BRI CENT".
  • Page 41 ELECTRICAL ADJUSTMENTS 2-19: COLOR CENTER 2-21: SUB CONTRAST MAX Receive the color bar pattern. (RF Input) Activate the adjustment mode display of Fig. 1-1 and Using the remote control, set the brightness, contrast, press the channel button (21) on the remote control to color and tint to normal position.
  • Page 42 ELECTRICAL ADJUSTMENTS 3. PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.
  • Page 43 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CD002 AC IN DEFLECTION PCB CD1704 CP601 TP401 VCR DECK CP802A FB401 CP1704 CD1703 DVD DECK CD604 CP8001 DVD DECK VR404 CP404 CP1702 CP303 VR1701 CP001 CP4502 CD603 SPEAKER CP4503 CRT PCB CP802B CP805...
  • Page 44 DVD BLOCK DIAGRAM FLASH 8M 64M SDRAM IC4007 IC4005 SST39VF800A- HY57V641620 70-4C-EK-D HGT-7 HA0~HA20, SDA0~SDA11 HD0~HD15 VCR BLOCK DVD LOADER CD4002 DM III RFA_SDEN, DATA, SCLK A, B, C, D, E, F READ CHANNEL AAF_CE, FE, TE, PI Pick up IC2601 ZR36708TQC FNN, FNP...

  • Page 45: Y/C/Audio/Head Amp

    Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM X4501 3.579545MHz Q4507 Q4509 BUFFER Y/C/AUDIO/HEAD AMP IC BUFFER IC4501 LA71205M-MPB PULL VX01 Y/C_CS SERIAL MICON Y/C_DATA TIMMING DRIVER CLAMP DECODER Y/C_CLK H.SW DETAL FM-EQ EMPHA CLAMP CP4501 CONV C-LPF EP/LP-CH2 (L) Y-LPF EP/LP_COM EP/LP-CH1 (R) H.AMP YNR/ B-UP...

  • Page 46: Micon

    MICON BLOCK DIAGRAM SYSCON/TIMER/SERVO IC TV_POWER_H IN/OUT IC101 OEC8076A VCR_A_MUTE REGULATOR VCR_POWER_H VCR_POWER_ON-H V.REC_ST_H Q114 VCR_A_MUTE TV_POWER_ON-H 56 POWER FAIL POWER_FAIL BUFFER Hi-Fi/ CVIN Q116 DEMODULATOR AV_SW1 AV_SW AV_SW1 HIFI ENV 88 HIFI_ENV COMB FILTER HIFI H.SW HIFI_H.SW AV_SW2 AV_SW2 ST SELECT 87 ST_SELECT OSC0...

  • Page 47: Hi-Fi/Demodulatro

    IN/OUT BLOCK DIAGRAM Q4202 Q4201 EXT_A_MUTE OPEN/CLOSE MUTE SW MUTE SW VCR_A_MUTE MICON EXT_MUTE STOP/EJECT VOL DOWN REAR OUT JACK J4202 Q4203 PLAY VOL UP MUTE SW SW_AUDIO_OUT_R SKIP Q4211 HEADPHONE JACK CH MUTE SW_AUDIO_OUT_L J2201 REC/OTR STOP SOUND AMP/ CH.DOWN PLAY SURROUND...
  • Page 48 CHROMA/IF BLOCK DIAGRAM CHROMA/IF_ IC IC601 PROTECT MICON LA76324NM-MPB-E Y/C/AUDIO/ P.CON+5V V_SYNC HEAD AMP X601 Q602 OSD_ R 3.579545MHz PROTECT OSD_G OSD_B AT+5.7V REG REGULATOR OSD_Y 10V_REG. IC602 KIA78L10F-RTF MICON V_SYNC MOTOR+12V 8.5V REG P.CON+8V H.SYNC FROM TO TV CP603 SW_C CUT OFF DIGITAL...
  • Page 49 SOUND AMP/SURROUND BLOCK DIAGRAM SOUND AMP IC IC352 AN7522N 12 4 SOUND +B SOUND_R+ SOUND_L+ IN/OUT SP_OUT_L SP_OUT_R SPEAKER SP351 SPEAKER SP352 TV_POWER_H TV_A_MUTE MICON 18 17 SURROUND-IC IC302 SW_AUDIO_OUT_R AN5891SA-E1V IN/OUT SW_AUDIO_OUT_L SW_AUDIO_OUT_L REGULATOR P.CON+8V DVD IN/OUT SW_AUDIO_OUT_R E-11 E-12...
  • Page 50 Hi-Fi/DEMODULATOR BLOCK DIAGRAM HI-FI/AUDIO/H.AMP/DEM IC IC5501 AN3663FBP AUDIO_OUT_R AUDIO_OUT_L DVD IN/OUT DVD_A_OUT_R DVD_A_OUT_L INPUT SW FRONT_A_IN_R FRONT_A_IN_L IN/OUT REAR_A_IN_R REAR_A_IN_L HF_COM OUTPUT Y/C/AUDIO/ HEAD AMP VCO-FO LOGIC DIGITAL TUNER_AUDIO COMB FILTER FM LIM Y/C_AUDIO NORMAL_A NOISE BLOCK REDUCTION V. REC_ST-H HIFI_ENV HIFI_H.SW MICON...

  • Page 51: Digital Comb Filter

    DIGITAL COMB FILTER BLOCK DIAGRAM P.CON+5V REGULATOR P.CON+12V COMB_FSC Q1502 P.CON+8V BUFFER Y/C_VIDEO_Y CHROMA/IF AT+30V DIGITAL COMB FILTER IC SW_C IC1501 TC90A45F DVD_Y/C-C AV SW IC DVD IN/OUT IC1502 MM1501XNRE DVD_VIDEO Q1501 BUFFER Q1503 BUFFER AV SW IC IC1504 MM1501XNRE Y/C_VIDEO Y/C/AUDIO/ Y/C/AUDIO/...

  • Page 52: Dvd In/Out

    DVD IN/OUT BLOCK DIAGRAM AV SW1 DVD_RESET MICON CP8001 P.CON+9V_D P.CON+9V P.CON+D5V P.CON+5V_D REGULATOR P.CON+3.3V P.CON+3.3V P.CON+3.3V P.CON+12V SPDIF-134 ZERO IN/OUT SPDIF-134 AUDIO SW IC IC8001 MM1501XNRE AUDIO_OUT_L Q8006, Q8007 AUDIO_OUT_R Hi-Fi/ ZERO MUTE DEMODULATOR DVD_A_OUT_L DVD_A_OUT_R CP8002 AUDIO SW IC DVD_RESET IC8002 MM1501XNRE MIXER IC...
  • Page 53 REGULATOR BLOCK DIAGRAM Q3003 AT+5V OUT AT+5V Q3014 BACKUP+5V BACKUP+5V DVD_H MICON AT+12V VCR_POWER_H P.CON+5V_A P.CON+5V_A OUT IC P.CON+5V OUT IC P.CON+5V_D OUT IC P.CON+9V_D OUT IC P.CON+5V_C IC3004 IC3002 IC3003 IC3001 KIA278R05PI KIA278R05PI KIA278R05PI KIA278R09PI P.CON+5V IN/OUT AT+5V P.CON+8V Q3001 UNREG+8V BUFFER...
  • Page 54 TV BLOCK DIAGRAM MOTOR+12V Q1702 RELAY REGULATOR DRIVER UNREG+8V UNREG+5V DEGAUSS RELAY RY1701 DEGAUSS_H MICON L1703 DEGAUSS COIL D1705, D1706, D1710, D1711 Q406 AC IN CURRENT TRANSFORMER F1701 SWITCHING T1701 FEED BACK SWITCHING FEED BACK IC1702 IC1701 TL431AILP PS2561AL1-1-V(W) Q1705, Q1706 SWITCHING SOUND AMP SOUND +B...

  • Page 55: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS DVD (TOP SIDE) DVD (BOTTOM SIDE) R2651 CP2601 CP2603 CP2602 R2650 HS2301 Q2604 Q2603 D2601 Q2605 R2647 Q2602 R2615 IC2301 R2623 R2620 R2616 R2622 R2604 R2331 IC2601 R2324 R2617 C2610 W863 C2612 R2609 C2616 R4061 C2613 C2622 R2645 R2646 R4043...

  • Page 56: Vcr

    PRINTED CIRCUIT BOARDS VCR (INSERTED PATRS) SOLDER SIDE S810 D106 S801Y R359 R353 R8012 W058 R356 W844 CP2201 S809X HS351 W816 W820 IC352 W843 CP8002 L301_1 W173 W105 R311 W006 S814Y L1505 R635 R1726 W284 W050 D1732 R2224 W049 R622 R2223 W280 W056...
  • Page 57 PRINTED CIRCUIT BOARDS VCR (CHIP MOUNTED PARTS SOLDER SIDE W858 IC8001 IC1504 W872 R5508 R5502 IC8002 W346 IC8004 IC199_1 W347 R8051 R8023 R8056 R8027 R123 R4504 R4513 R176 R139 Q4507 Q4509 Q112 Q116 R4526 R4529 Q102 Q106 R4550 R4553 Q4511 R4527 R103 R4531...

  • Page 58: Deflection/Crt/Operation

    PRINTED CIRCUIT BOARDS DEFLECTION/CRT/OPERATION SOLDER SIDE HS401 Q403 W818 D415 W804 R414 W017 B403 C408 C418_2 D406 D405 CC801 C417_1 W837 R412_1 R807 L402 W833 L401 Q805 W832 R2256 D801 R808 R810 Q803 W834 L403 C449_1 Q807 R806 R2255 Q804 R815 R805 R452...
  • Page 59 MPEG/MICON/DSP SCHEMATIC DIAGRAM C4038 (DVD PCB) FROM/TO AUDIO/VIDEO 0.01 B SYS_MUTE DUPTD1 D4001 MCL4148 DAC_VIDEO_D DAC_VIDEO_C JG001 UNREG+3.8V LEVEL_CONVERT DAC_VIDEO_B JG002 Q4004 ASDATA0 JG003 KTC3875S_Y_RTK ABCLK BOOT2 R4002 75 +-1% C4088 ALRCLK JG004 BOOT1 0.01 B R4003 75 +-1% AMCLK JG005 R4052 DUPTD1...
  • Page 60 MEMORY SCHEMATIC DIAGRAM (DVD PCB) FLASH 8M IC FROM/TO MPEG/MICON/DSP IC4007 SST39VF800A-70-4C-EK-D SD_A0 SD_A1 HA16 HA15 SD_A2 SD_A3 C4064 SD_A4 HA14 VCCQ SD_A5 64M SDRAM IC 0.1 F SD_A6 IC4005 SD_A7 HY57V641620HGT-7 HA13 SD_A8 SD_A9 SD_A10 HD15 HA12 DQ15 SD_A11 SD_D15 SD_D0 DQ15...
  • Page 61 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 Q2604 JG023 JG024 VBIASS0 4.7K R2623 2SK3018 VBIASS1 VR SEL CTL DEFECT...
  • Page 62 AUDIO/VIDEO SCHEMATIC DIAGRAM (DVD PCB) P.CON+A5V DAC_C_VIDEO DAC_B_VIDEO FROM/TO MPEG/MICON/DSP DAC_D_DVD_VIDEO P.CON+A5V C8105 DAC_VIDEO_C DAC_VIDEO_C VIDEO_BUFFER 12P CH DAC_VIDEO_B Q8102 L8102 KTA1504S_Y_RTK DAC_VIDEO_D VIDEO_BUFFER P.CON+5V 1uH 0305 Q8103 KTA1504S_Y_RTK C8108 RESET DAC_VIDEO_B 12P CH L8103 AMCLK 1uH 0305 ABCLK ALRCLK ASDATA0 P-H/I-L C8111...
  • Page 63 Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (VCR PCB) BUFFER Q4507 2SC2412K R4537 1.8K FROM REGULATOR1 1/4W W864 S808X S808Y W880 P.CON+8V P.CON+5V_A FROM/TO Hi-Fi/DEMODULATOR NORMAL_A C4558 Y/C_AUDIO FROM/TO MICON C4555 6.3V R4544 0.1 B C4561 Y/C_CLK HF_COM Y/C_DATA 680K 0.01 B Y/C/AUDIO/HEAD AMP IC Y/C_CS IC4501 C4559...
  • Page 64 MICON SCHEMATIC DIAGRAM (VCR PCB) BACKUP+5V FROM/TO REGULATOR1 C133 BACKUP+5V C148 C151 AT+5V 0.1 B DVD_H 68P CH 0.1 F VCR_POWER_H AT+12V R177 P.CON+5V_C Q112 P.CON+5V_A 5.6K 2SC2412K S101X R129 C126 FROM/TO Y/C/AUDIO/HEAD AMP C125 FROM/TO DVD IN/OUT Y/C_VIDEO NC NC 3.6 3.6 Y/C_CLK Y/C_DATA...
  • Page 65 IN/OUT SCHEMATIC DIAGRAM (VCR PCB) FROM CRT/OPERATION CP2201 (CD2251) A2001WV2-2P KEY_B KEY-B POWER_LED_SW FROM/TO SOUND AMP/SURROUND Q2202 DTC114EKA T-REC LED SW SOUND_R+ Q2203 SOUND_L+ DTC114EKA SP_OUT_R SP_OUT_L C8010 R8004 B8001 REC LED SW W4BRH3.5X6X1.0X2 Q2201 DTC114EKA REC_LED COAXIAL J8007 D AUDIO DRIVER MSP-251V-05NI-FE-LF T-REC_LED FROM REGULATOR1...
  • Page 66 CHROMA/IF SCHEMATIC DIAGRAM (VCR PCB) FROM/TO REGULATOR1 P.CON+5V P.CON+8V AT5.7VREG 8.5VREG P.CON+5V_C FROM/TO DIGITAL COMB FILTER Y/C_VIDEO-Y COMB_FSC R625 SW_C FROM DVD IN/OUT R620 4.7M DVD_Y/C-Y TO Y/C/AUDIO/HEAD AMP CHROMA/IF IC C628 IC601 V.SYNC 0.47 LA76324NM-MPB-E R602 FROM/TO DEFLECTION 1K 1/4W CP602 (CP602B) W810...
  • Page 67 SOUND AMP/SURROUND SCHEMATIC DIAGRAM (VCR PCB) SOUND AMP IC IC352 AN7522N R357 HS351 763WAA0255 C358 C302 0.0056 B C331 FROM/TO IN/OUT 0.0056 W843 KANP FROM TV POWER SOUND_R+ SOUND_L+ R356 SP_OUT_R SOUND+B C321 100K 1/4W SP_OUT_L 2200 SOUND_GND R301 5.6K C324 470P B R307...
  • Page 68 Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM (VCR PCB) C5511 0.1 B C5507 R5504 3.3K 0.22 FROM IN/OUT FRONT_A_IN_R R5523 FRONT_A_IN_L HI-FI/AUDIO/HEAD AMP/DEM IC C5504 REAR_A_IN_R IC5501 REAR_A_IN_L AN3663FBP 0.1 B R5503 3.9M C5505_1 C5509 FROM DIGITAL COMB FILTER C5550 0.015 B DEM_BLK ZZ-PROM LOGIC C5513 TUNER_AUDIO...
  • Page 69 DIGITAL COMB FILTER SCHEMATIC DIAGRAM (VCR PCB) C1511 0.47 W820 P.CON+5V C1518 6.3V TO Hi-Fi/DEMODULATOR TUNER_AUDIO C1519 0.1 B FROM/TO CHROMA/IF SW_C COMB_FSC BUFFER C1521 R1513 Q1503 Y/C_VIDEO KTC3875S_Y_RTK KANP Y/C_VIDEO-Y C1504 0.01 B COMB_FSC FROM/TO Y/C/AUDIO/HEAD AMP Y/C_VIDEO AUX_V[F/R] L1504 TUNER_VIDEO P.CON+8V_B...
  • Page 70 DVD IN/OUT SCHEMATIC DIAGRAM (VCR PCB) TO SOUND AMP/SURROUND FROM/TO MPEG/MICON/DSP CP8001 (CD4002) SW_AUDIO_OUT_L A2001WV2-11P SW_AUDIO_OUT_R AV_SW1 W844 C8001_1 AUDIO_OUT_L W816 C8019 GND(M) 56P CH P.CON+9V_DH P.CON+9V P.CON+5V_D P.CON+D5V AUDIO SW IC TO IN/OUT P.CON+3.3V S801X S801Y P.CON+3.3V IC8001 MM1501XNRE P.CON+3.3V C8017 SW_AUDIO_OUT_L...
  • Page 71 REGULATOR1 SCHEMATIC DIAGRAM FROM/TO TV POWER (VCR PCB) P.CON+12V MOTOR+12V UNREG+8V UNREG+5V R3001 D3005 AT5.7VREG AT+5V OUT Q3003 100 1/4W 11EQS04N KTC3209_Y P.CON+5V_A OUT IC IC3003 TO DIGITAL COMB FILTER KIA278R05PI P.CON+5V BACKUP+5V P.CON+12V C3005 Q3014 BUFFER P.CON+8V KTC3209_Y Q3015 VCR_POWER_H R3015 6.3V...
  • Page 72 TV POWER SCHEMATIC DIAGRAM (VCR PCB) FROM/TO MICON POWER_FAIL DEGAUSS_H MOTOR_GND D1719 B1703_1 D1702 W4BRH3.5X6X1.0X2 SB340L-6737 RELAY DRIVE 1SS133 Q1702 10.9 TO SOUND AMP/SURROUND KTC3198 R1708 SOUND+B SOUND_GND RY1701 C1729 ALKS321 390P DEGAUSS COIL TO CHROMA/IF L1703 CP1704 8R250014 A1561WV2-2P MOTOR+12V TH1701 MOTOR_GND...
  • Page 73 DEFLECTION SCHEMATIC DIAGRAM (DEFLECTION PCB) V.OUTPUT IC IC401 LA78041 THERMAL PROTECTION PUMP UP 25.0 12.0 25.0 R418 1K 1/4W R413 6.8K 1/4W R424 R432 FROM/TO DY 18K 1/4W V801 TO DVD DECK +-1% CP404_1 A60LVY196X11(OL) S804 A1561WV2-A6P L402 HS402 W812 763WAA0181 ELH5L4113 R454...
  • Page 74 CRT/OPERATION SCHEMATIC DIAGRAM (CRT PCB) CRT BLOCK TP802 R814 12K 2W R822 2.7K 1/4W RED AMP Q802 123.5 R805 2SC4217 560 1/4W D802 1SS133 RED AMP Q803 W832 KTC3199_Y R806 FROM CROMA/IF 1K 1/4W CP603B (CP603) D805 C815 A2001WV2-8P W831 CUT OFF 1SS133 470P CH...
  • Page 75 CD2601 CP2601 CD4002 CP8001 INTERCONNECTION DIAGRAM L4002 MON(DVD) MON(DVD) GND(M) GND(M) NC(SW) NC(SW) P.CON+9V P.CON+9V DRIVE VOL(DVD) VOL(DVD) P.CON+5V P.CON+D5V DM-3 (P.CON+3.3V) GND(DVD) GND(DVD) P.CON+3.3V UNREG+3.8V (P.CON+3.3V) LD(DVD) LD(DVD) P.CON+3.3V UNREG+3.8V LD(CD) LD(CD) VOL(CD) VOL(CD) SPDIF-134 SPDIF-134 CD8101 GND(CD) GND(CD) CP8101_3 CP8002 MON(COM)

  • Page 76: Mpeg/Micon/Dsp

    WAVEFORMS MPEG/MICON/DSP Y/C/AUDIO/HEAD AMP AUDIO/VIDEO 10ns 500µs 20µs 100mV 500mV 1.0V 100ns 500µs 2µs 100mV 500mV 1.0V MEMORY 10µs 200mV 1.0V 200mV RF AMP/DSP 200ns 100µs 500mV 200mV 2.0V 10µs 200ns 100mV 100mV 20µs NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 77: Micon

    WAVEFORMS MICON DEFLECTION DEFLECTION 20µs 20ms 10ms 200V 2.0V MICON 10ms 2.0V 50µs 2.0V SOUND AMP/SURROUND 10ms 50µs 2.0V 200mV DVD IN/OUT DEFLECTION 10ms 50µs 2.0V 0.5V 5.0V Hi-Fi/DEMODULATOR CHROMA/IF 20µs 2.0V 0.5V 1.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 78 WAVEFORMS DIGITAL COMB FILTER CRT/OPERATION 20µs 20µs 20µs 0.5V 1.0V 20µs 0.5ms 20µs 0.5V 1.0V CHROMA/IF 20µs 20µs 10ms 0.5V 1.0V 0.5µs 50µs 100mV 0.5V 20µs 50µs 1.0V 2.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 79: Mechanical Exploded Views

    MECHANICAL EXPLODED VIEW 102B 102B 102A 102B PCB110 (CRT PCB ASS'Y) SP351 SP352 101K 101K 101B 101I 101H 101D 101K 101L 101C 101F 101J 101K 101G 101E 101L 101J 101A I1-1...
  • Page 80 MECHANICAL EXPLODED VIEW PCB130 (DVD PCB ASS'Y) PCB010 (VCR PCB ASS'Y) PCB270 (OPERATION PCB ASS'Y) PCB080 (DEFLECTION PCB ASS'Y) I1-2...

  • Page 81: 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. MARK PART NAME the grease are displayed for this section. GREASE Y315061000 G-555G Check if the correct grease is applied for each position.
  • Page 82 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 G-555G Y315061000 Check if the correct grease is applied for each position.

  • Page 83: Dvd Deck Exploded Views

    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 84: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION 7A701A161A FRONT CABI ASS'Y 8141H60D54 SCREW,TAP TITE(P) 6x45 101A 701WPJC735 CABINET,FRONT 8110E30804 SCREW,TAP TITE(P) WH10 101B 712WPJC036 FLAT,FLAP 8117540804 SCREW,TAPPING(B0) TRUSS 101C 712WPJC037 FLAP,DVD 8109130B94 SCREW,TAP TITE(B)R TRUSS 3x29 101D...

  • Page 85: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION A5L1046420A DECK ASSY A5L1046420A 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 86: Dvd Deck Replacement Parts List

    DVD DECK REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A5M4016650 DVD MECHA ASS'Y 92P100098A HOLDER,TRAVERSE 92P100094A CLAMPER 92P100088A GEAR,MOTOR 92AAA0013A FEED RACK ASS'Y 92P200013A INSULATOR(F) 92P200014A INSULATOR(R) 92SBB0019A LOADER SUB ASS'Y 92P100095A GEAR,PULLEY 92P100097A PULLEY,MOTOR 92P100096A GEAR,MAIN 92P200012A BELT,LOADING 92P000014A PLATE,CLAMPER 92P100093A...

  • Page 87: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES ! R401 R4X5T6472F R,METAL 4.7K OHM 1/6W ! D412 D2WTAU02A0 DIODE SILICON AU02A-EIC ! R403 R4X5T6183F R,METAL 18K OHM 1/6W D413 D97U03001B DIODE,ZENER MTZJ30B T-77 ! R405 R4X5T6153F R,METAL 15K OHM 1/6W...
  • Page 88 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION I C S TRANSISTORS IC302 I01FF58910 AN5891SA-E1V Q2605 T27T030180 2SK3018 IC352 I0FSP7522N AN7522N Q3001 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R,S ! IC401 I03TD80410 LA78041 ! Q3002 TCAT03209Y TRANSISTOR SILICON KTC3209_Y-AT IC601 I03FC324N0...
  • Page 89 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS MISCELLANEOUS J A C K S CD2251 06CU220701 CORD CONNECTOR CU220701 ! J801 066F130021 SOCKET,CATHODE RAY,TUBE ISHS62S CD4002 06CU2B3301 CORD CONNECTOR CU2B3301 ! J2201 060J131016 HEADPHONE JACK MSJ-2000_AG CD4501...
  • Page 90 SPEC.NO. M5Q0-046 O/R NO. W465002...

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