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Toshiba MW14F52 Service Manual

Color television/video cassette recorder/dvd video player
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SERVICE MANUAL

COLOR TELEVISION/
VIDEO CASSETTE RECORDER/
DVD VIDEO PLAYER
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
MW14F52
DOCUMENT CREATED IN JAPAN, May, 2006 GREEN
FILE NO. 810-200660GR

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Summary of Contents for Toshiba MW14F52

  • Page 1: Service Manual

    COLOR TELEVISION/ VIDEO CASSETTE RECORDER/ DVD VIDEO PLAYER MW14F52 The above model is classified as a green product (*1), as indicated by the underlined serial number. This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2).

  • Page 2: Green Product Procurement

    Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.

  • Page 3: Caution

    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 LASER RADIATION EXPOSURE.

  • Page 4: 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 5: Important Safeguards

    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 6 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 supporting 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 7 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 8: When Replacing Dvd Deck

    WHEN REPLACING DVD DECK [ When removing the DVD Deck ] Before removing Pick Up PCB and DVD MT PCB connector, the short circuit the position shown in Fig. 1 using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged. [ When installing the DVD Deck ] Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD MT PCB connector.

  • Page 9: Tape Removal Method At No Power Supply

    TAPE REMOVAL METHOD AT NO POWER SUPPLY Remove the TV/DVD/VCR block from the main unit as shown in Fig. 1 below can be seen. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Remove the screw 1 of the Deck Chassis and remove the Loading Motor. Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape.

  • Page 10: Parental Control Rating Level

    PARENTAL CONTROL - RATING LEVEL 4 DIGIT PASSWORD CANCELLATION If the stored 4 digit password in the Rating Level menu needs to be cancelled, please follow the steps below. Turn Unit ON. Set the DVD Mode. Confirm that the 'No Disc' will be appeared on the screen. Press and hold the '7' key on the remote control unit.

  • Page 11: Table Of Contents

    TABLE OF CONTENTS GREEN PRODUCT PROCUREMENT ..................A1-1 LEAD-FREE SOLDER ......................A1-1 CAUTION ..........................A1-2 SERVICING NOTICES ON CHECKING .................. A1-3 HOW TO ORDER PARTS ....................... A1-3 IMPORTANT SAFEGUARDS ....................A1-4~A1-6 WHEN PERLACING DVD DECK .................... A1-7 TAPE REMOVAL METHOD AT NO POWER SUPPLY ............A1-8 DISC REMOVAL METHOD AT NO POWER SUPPLY ............

  • Page 12: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 14 inch / 357.0 mmV System CRT Type Flat Magnetic Field BV/BH +0.45G / 0.18G Color System NTSC Speaker 2 Speaker Position Front Size 2.0 x 4.7 Inch Impedance 8 ohm Sound Output 1.5W + 1.5W 10%(Typical) System...
  • Page 13 GENERAL SPECIFICATIONS Signal Video Signal Input Level 1 V p-p/75 ohm Output Level S/N Ratio (Weighted) at DVD Mode S/N Ratio (Weighted) at VCR Mode Horizontal Resolution at DVD Mode Horizontal Resolution at VCR(SP)Mode 220 Lines RGB Signal Output Level Audio Signal Input Level -8.0dBm/50k ohm...
  • Page 14 GENERAL SPECIFICATIONS G-12 Remote Unit RC-KH Control Glow in Dark Remocon Unit Remocon Format TOSHIBA Format TOSHIBA Custom Code 40-BFh, 44-BBh, 45-Bah Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys TV/VCR Power Channel- Channel+...
  • Page 15 GENERAL SPECIFICATIONS G-13 Features Auto Head Cleaning (TV/VCR) VIDEO PLUS+(SHOWVIEW,G-CODE) Auto Clock Auto Setup Forward / Reverse Picture Search Auto CH Memory Closed Caption TV Auto Shut off Function End Call Index Search SQPB CABLE CM Skip(30sec x 6 Times) Comb Filter (2Lines) VM Circuit TV Monitor...
  • Page 16 GENERAL SPECIFICATIONS G-14 Accessories Owner's Manual Language English w/Guarantee Card Remote Control Unit Battery UM size x pcs UM-4 x 2 pcs OEM Brand Rod Antenna Poles Terminal Loop Antenna Terminal U/V Mixer 300 ohm to 75 ohm Antenna Adapter Antenna Change Plug DC Car Cord (Center+) AC Plug Adapter...
  • Page 17 1 Corner / 3 Edges / 6 Surfaces Height (cm) Container Stuffing(40' container) Sets G-19 Material Cabinet Front 94V0 DECABROM Rear 94V0 DECABROM Non-Halogen Demand Eyelet Demand G-20 Environment Environmental standard requirement (by buyer) Green procurement of TOSHIBA Pb-free Phase3(Phase3A) Measures for Whisker A3-6...

  • Page 18: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1-3: TV/DVD/VCR BLOCK (Refer to Fig. 1-3) 1. REMOVAL OF MECHANICAL PARTS Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP351, CP353, CP402 and CP1702). Remove the 4 screws 1. Remove the TV/DVD/VCR Block in the direction of arrow.
  • Page 19 DISASSEMBLY INSTRUCTIONS 1-5: TOP SHIELD (Refer to Fig. 1-5) 1-7: DVD MT PCB/DVD DECK (Refer to Fig. 1-7) Remove the 11 screws 1. Short circuit the position shown in Fig. 1-7 using a Remove the screw 2. soldering iron. If you remove the DVD Deck with no Remove the Top Shield in the direction of arrow.
  • Page 20 DISASSEMBLY INSTRUCTIONS 1-8: VCR DECK (Refer to Fig. 1-8) 1-9: VCR MT PCB (Refer to Fig. 1-9) Remove the screw 1. NOTE Remove the 3 screws 2. Do not remove the cable at the FE Head section. The FE Remove the AV Jack Shield. Head may be damaged if you remove the cable by force.

  • Page 21: Removal Of Vcr Deck Parts

    DISASSEMBLY INSTRUCTIONS 2-3: LINK UNIT (Refer to Fig. 2-3) 2. REMOVAL OF VCR DECK PARTS Set the Link Unit to the Eject position. 2-1: TOP BRACKET (Refer to Fig. 2-1) Unlock the support 1. Extend the 2 supports 1. Remove the (A) side of the Link Unit first, then remove Slide the 2 supports 2 and remove the Top Bracket.
  • Page 22 DISASSEMBLY INSTRUCTIONS 2-5: LOADING MOTOR/WORM (Refer to Fig. 2-5-A) 2-6: TENSION ASS’Y (Refer to Fig. 2-6-B) Remove the screw 1. Turn the Pinch Roller Cam clockwise so that the Tension Remove the Loading Motor. Holder hook is set to the position of Fig. 2-6-A to move Remove the Worm.
  • Page 23 DISASSEMBLY INSTRUCTIONS NOTE [OK] Tension Connect Take care not to damage the gears of the S Reel and T Reel. Tension Band The Polyslider Washer may on the back of the reel. Take care not to damage the shaft. [NG] Tension Connect Tension Band Do not touch section “A”...
  • Page 24 DISASSEMBLY INSTRUCTIONS 2-9: CASSETTE OPENER/PINCH ROLLER BLOCK/P5 ARM ASS’Y (Refer to Fig. 2-9-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. 2-10-B Pinch Roller Block 2-11: FE HEAD (RECORDER ONLY) (Refer to Fig.
  • Page 25 DISASSEMBLY INSTRUCTIONS 2-13: CAPSTAN DD UNIT (Refer to Fig. 2-13) NOTE 1. In case of the Pinch Roller Cam and Main Cam installa- Remove the Capstan Belt. Remove the screw 1. tion, install them as shown in the circled section of Fig. 2- 14-B so that the markers meet.
  • Page 26 DISASSEMBLY INSTRUCTIONS NOTE 2-17: CASSETTE GUIDE POST/INCLINED BASE S/T UNIT/P4 CAP/LED REFLECTOR 1. When you install the Loading Arm S Unit, Loading Arm T (Refer to Fig. 2-17-A) Unit and Main Loading Gear, align each marker. (Refer to Fig. 2-15-B) Remove the P4 Cap.

  • Page 27: Removal Of Dvd Deck Parts

    DISASSEMBLY INSTRUCTIONS 3. REMOVAL OF DVD DECK PARTS NOTE 1. Do not disassemble the DVD DECK PARTS except listed parts here. Minute adjustments are needed if the Main Frame Ass'y disassemble is done. If the repair is needed except listed parts, replace the DVD MECHA ASS'Y.
  • Page 28 DISASSEMBLY INSTRUCTIONS 3-3: LOADING MOTOR PCB ASS'Y/ LOADING BELT (Refer to Fig. 3-3-A) Pulley Gear Rack Loading Remove the Loading Belt. Remove the screw 1. Main Gear Remove the 2 screws 2. Remove the Loading Motor PCB Ass'y. Main Frame Ass’y Remove the Pulley Gear.
  • Page 29 DISASSEMBLY INSTRUCTIONS 3-6: TRAVERSE HOLDER/INSULATOR (F)/INSULATOR NOTE (R) (Refer to Fig. 3-6-A) When pushing the Rack Feed in the direction of the Remove the Traverse Holder. arrow, it should be restored to the original position by the Remove the 2 Insulator (F). spring force.
  • Page 30 DISASSEMBLY INSTRUCTIONS 3-8: FFC WIRE HANDLING When installing the FFC, fold it correctly and install it as shown from Fig. 3-8-A to Fig. 3-8-C. NOTE Do not make the folding lines except the specified positions for the FFC. [ 24 pin FFC ] Pick Up Side 54 ±...

  • Page 31: 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 32: Removal And Installation Of Flat Package Ic

    DISASSEMBLY INSTRUCTIONS 5. REMOVAL AND INSTALLATION OF FLAT 3. When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using PACKAGE IC a tweezers and remove the IC by moving with the IC REMOVAL desoldering machine.
  • Page 33 DISASSEMBLY INSTRUCTIONS INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- 1. 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 34: 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 35 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 36: Service Mode List

    SERVICE MODE LIST This unit is 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 the standard time (second).

  • Page 37: 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 38 PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING NOTE 2. TAPE RUNNING SYSTEM After cleaning the heads with isopropyl alcohol, do not When cleaning the tape transport system, use run a tape until the heads dry completely. If the heads gauze moistened with isopropyl alcohol. are not completely dry and alcohol gets on the tape, 3.

  • Page 39: 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: No need to set data for the position of the "@" due to the adjustment value. @@ @@ Table 1 Turn on the POWER, and set to the TV mode.

  • Page 40: Servicing Fixtures And Tools

    SERVICING FIXTURES AND TOOLS Alignment Tape Back tension cassette gauge Torque cassette gauge Taper nut driver (KT-300NR) ST-N5 ST-NF 70909103 70909199 70909228 VTR cleaning kit VTR lubrication kit Grease JG002B Adapter JG002E Dial Torque Gauge (10~90gf•cm) JG002F (60~600gf•cm) JG022 Master Plane JG024A Reel Disk Height JG153 X Value Adjustment JG185 Tentelometer...

  • Page 41: Mechanical Adjustments

    MECHANICAL ADJUSTMENTS 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION 1. CONFIRMATION AND ADJUSTMENT POST POSITION Read the following NOTES before starting work. Set to the PLAY mode. • Place an object which weighs between 450g~500g on the Adjust the adjusting section for the Tension Arm position Cassette Tape to keep it steady when you want to make so that the Tension Arm top is within the standard line of the tape run without the Cassette Holder.
  • Page 42 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) Then, confirm that it indicates 120~180gf•cm.
  • Page 43 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 44 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 45: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION OSD H CONT MAX ADJUSTMENTS OSD C CONT MIN COL CENT Read and perform these adjustments when repairing the H.POSI COL. MAX circuits or replacing electrical parts or PCB assemblies. H.BLK L COL. MIN H.BLK R TINT CAUTION...
  • Page 46 ELECTRICAL ADJUSTMENTS (TV SECTION) 2-7: VERTICAL POSITION Receive the monoscope pattern. 2-2: CONSTANT VOLTAGE Using the remote control, set the brightness and contrast Place the set in AV MODE without signal. to normal position. Using the remote control, set the brightness and contrast to Activate the adjustment mode display of Fig.
  • Page 47 ELECTRICAL ADJUSTMENTS 00 OSD H "A" Fig. 2-3 Fig. 2-4 2-11: BRIGHT CENTER Receive the monoscope pattern. (RF Input) 2-13: COLOR CENTER Using the remote control, set the brightness and contrast Receive the color bar pattern. (RF Input) to normal position. Using the remote control, set the brightness, contrast, Activate the adjustment mode display of Fig.

  • Page 48: Dvd

    ELECTRICAL ADJUSTMENTS 2-14: CONTRAST MAX Activate the adjustment mode display of Fig. 1-1 and press the channel button (21) on the remote control to select "CONT MAX". Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "79". Receive a broadcast and check if the picture is normal.

  • Page 49: Purity And Convergence

    ELECTRICAL ADJUSTMENTS 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. minutes before performing the following adjustments.
  • Page 50 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CD001 CD852 CD801 CD401 CP820 CRT PCB CP001 VR401 TP801 CP851A VR1701 CP852A CP801 R810 J801 TP803 R805 FB401 TP802 CP853B CP852B CP1702 TP401 AC IN S1701B S1701A CD1702 CP402 CD353 TV MT PCB CP353...
  • Page 51 DVD BLOCK DIAGRAM FLASH 8M 16M SDRAM IC4007 IC4009 SST39VF1601- M12L16161A-7TG 70-4C-EKE HA0~HA19, SDA0~SDA10 HD0~HD15 DVD LOADER DVD IN/OUT DM3S DVD/CD, DVD_LD, CD_LD, VC CD4002 RF, A, B, C, D, E, F , DVD/CDPD Pick up UNREG+3.8V P.CON+A5V P.CON+6V MPEG/MICON/DSP/RF_AMP SPDIF IC4001 Loading...

  • Page 52: Y/C/Audio/Head Amp

    Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM X4501 3.579545MHz Y/C/AUDIO/HEAD AMP IC Q4509 IC4501 LA71205M-MPB BUFFER REGULATOR P. CON + 5V_A PULL VX01 Y/C_CS SERIAL MICON DRIVER Y/C_DATA TIMMING 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...
  • Page 53 MICON BLOCK DIAGRAM V.REC_ST_H SYSCON/TIMER/SERVO IC101 OEC8078A CHROMA/IF VCR_POWER_H VCR_A_MUTE Hi-Fi/ VCR_POWER_H REGULATOR VCR_POWER_ON-H HIFI_ENV HIFI_ENV DEMODULATOR Q114 HIFI_H.SW HIFI_H.SW POWER FAIL POWER_FAIL BUFFER ST_SELECT Q116 ST_SELECT AV_SW1 AV_SW AV_SW1 TV_POWER_ON-H 56 IN/OUT TV_POWER_H SOUND AMP CVIN VOL_PWM VOL_PWM OSC0 X102 OSCI 38 14.31818MHz...
  • Page 54 IN/OUT BLOCK DIAGRAM OPEN/CLOSE STOP/EJECT VOL DOWN PLAY VOL UP HEADPHONE JACK J2201 REW SKIP REC/OTR STOP SOUND_R+ CH.DOWN PLAY SOUND_L+ SOUND AMP SP_OUT_R KEY_A CH.UP FF SKIP SP_OUT_L MICON KEY_B POWER FRONT VIDEO JACK AT+5V REGULATOR J2202 D2205 Q2201 Y/C/AUDIO/HEAD AMP FRONT_V_IN REC/OTR...
  • Page 55 CHROMA/IF BLOCK DIAGRAM CHROMA IC IC601 PROTECT MICON LA76319NM-MPB-E P.CON+5V Y/C/AUDIO/HEAD AMP V_SYNC X601 Q602 OSD_R 3.579545MHz SPOT_L_SW OSD_G OSD_B REGULATOR 10V REG. OSD_Y IC602 KIA78L10F-RTF V.SYNC MICON VCR_POWER_H MOTOR+12V 8.5V REG P.CON+8V H.SYNC DVD_Y/C_C DVD IN/OUT DVD_Y/C_Y CUT OFF R.OUT G.OUT Y/C_VIDEO...
  • Page 56 SOUND AMP BLOCK DIAGRAM SOUND AMP IC IC302 AN7522N 12 4 SOUND+B SOUND_R+ SOUND_L+ IN/OUT SP_OUT_L SP_OUT_R Q301 SPEAKER TV_A_MUTE MUTE SP353 TV_POWER_H MICON SPEAKER SP351 VOL_PWM AV_SW1 SW_AUDIO_OUT_L/R DVD IN/OUT MUTE SW ZERO Q304, Q305 E-12 E-11...
  • Page 57 Hi-Fi/DEMODULATOR BLOCK DIAGRAM Hi-Fi/AUDIO/HEAD 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 IN/OUT FRONT_A_IN_L HF_COM OUTPUT Y/C/AUDIO/ HEAD AMP VCO-FO LOGIC TUNER_AUDIO IN/OUT FM LIM Y/C_AUDIO NORMAL_A NOISE BLOCK REDUCTION V.REC_ST_H HIFI_ENV HIFI_H.SW VCR_A_MUTE MICON P.CON+5V_A LOGIC REGULATOR...
  • Page 58 DVD IN/OUT BLOCK DIAGRAM DVD_RESET CP8001 MICON P.CON+6V P.CON+6V_DH P.CON+5V_D P.CON+5V REGULATOR UNREG+3.8V DVD+3.8V UNREG+3.8V SPDIF-134 IN/OUT SPDIF-134 CP8002 MIXER DVD_RESET IC8004 NJM4580M (TE1) AUDIO-R DVD_A_OUT_R AUDIO-L Hi-Fi/ DEMODULATOR DVD_A_OUT_L C (CVBS) CVBS DVD_Y/C_Y ZERO CHROMA/IF DVD_Y/C_C Y/C/AUDIO/ DVD_VIDEO HEAD AMP AUDIO SW IC8001/IC8002 MM1501XNRE...
  • Page 59 REGULATOR BLOCK DIAGRAM AT+5V OUT IC3005 KIA7805API BACKUP+5V AT+5V DVD_H MICON AT+12V VCR_POWER_H P.CON+6V_D OUT P.CON+5V OUT P.CON+5V_A OUT P.CON+5V_D OUT P.CON+5V_C IC3002 IC3003 IC3004 IC3001 KIA278R06PI KIA278R05PI KIA278R05PI KIA278R05PI IN/OUT P.CON+5V AT+5V Q3001 Hi-Fi/ P.CON+12V UNREG+8V P.CON SW DEMODULATOR P.CON+5V_A MOTOR+12V UNREG+5.4V...
  • Page 60 TV BLOCK DIAGRAM MOTOR+12V Q1701 RELAY REGULATOR UNREG+8V UNREG+5.4V DEGAUSS RELAY RY1701 T-REC_H L1703 DEGAUSS COIL DEGAUSS_H D1722, D1723 MICON D1711, D1705 POWER_FAIL AC IN CD1702 TRANSFORMER SWITCHING F1701 T1701 FEED BACK IC1701 Q1707 PS2561AL1-1-V (W) Q1705, Q1706 FEED BACK SWITCHING SWITCHING SOUND AMP...

  • Page 61: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS DVD MT (TOP SIDE) DVD MT (BOTTOM SIDE) CP2301_1 CP2302 CP2303 R2337 R2327 R2325 R2324 Q2303 R2329 R2326 R2330 R2323 R2328 C2307 R2355 Q2305 R2332 R2320 R2333 R2310 R2348 Q2302 Q2304 R2341 R2334 R2347 R2318 REFLOW C2309 R2335 R2309 R4061...

  • Page 62: Vcr Mt

    PRINTED CIRCUIT BOARDS VCR MT (INSERTED PARTS) SOLDER SIDE R3015 D3008 C3023 W044 L3001 D3011 C307 W285 C3009 C005 Q3005 IC3003 W215 J8007 IC302 IC3005 C3002 CP601 IC3004 C3005 R612 HS3002 D3001 C8094 HS3001 HS301 W042 W283 D3004 C3010 R3026 C3019 C306 W214...
  • Page 63 PRINTED CIRCUIT BOARDS VCR MT (CHIP MOUNTED PARTS) SOLDER SIDE R2252 R2253 R2208 R2205 R2201 R2251 R2254 R2257 R2203 R2255 R2256 R2204 R3019 Q3001 Q2202 Q2201 Q2203 R2224 IC602 R3029 R140 IC103 R143 Q605 Q601 Q112 R132 R628 R615 IC199_1 R609 IC8004 R8051...

  • Page 64: Tv Mt/Crt

    PRINTED CIRCUIT BOARDS TV MT/CRT SOLDER SIDE CD401 CP001 CP820 D416 HS1701 CAUTION Q1705 VR401 R1721 W804 VR1701 FOR SERVICE INFORMATION ABOUT CRITICAL R1724 D408 R445 W006 COMPONENTS, SEE INSIDE BACK COVER. R442 W851 CP852A C1711 R444 TP403 TP402 D1728 W021 W809 W806...
  • Page 65 PRINTED CIRCUIT BOARDS LOADING MOTOR (INSERTED PARTS) LOADING MOTOR (CHIP MOUNTED PARTS) SOLDER SIDE SOLDER SIDE CD2302 SOLDER SIDE D D0 0 CD2301 M2601 M2602 F-10...

  • Page 66: Memory

    MPEG/MICON/DSP SCHEMATIC DIAGRAM (DVD MT PCB) C4038 0.01 B D4001 1SS355 FROM/TO AUDIO/VIDEO JG001 UNREG+3.8V DUPTD1 JG002 SYS_MUTE JG003 BOOT2 LEVEL DAC_VIDEO_C JG004 BOOT1 CONVERT DAC_VIDEO_B C4096 D4005 JG005 R4052 Q4004 DAC_VIDEO_D DUPTD1 0.001 B 2SC3052 ASDATA0 JG006 1SS355 DUPRD1 4.7K ABCLK ALRCLK...
  • Page 67 MEMORY SCHEMATIC DIAGRAM (DVD MT PCB) 16M SDRAM IC FROM/TO MPEG/MICON/DSP IC4009 M12L16161A-7TG FLASH IC 8M C4050 SD_A0 IC4007 SST39VF1601-70-4C-EKE SD_A1 0.1 F SD_A2 HA16 HA15 SD_A3 SD_D15 SD_D0 DQ15 SD_A4 SD_A5 C4064 HA14 SD_A6 VCCQ SD_D14 SD_D1 DQ14 SD_A7 0.1 F SD_A8 HA13...
  • Page 68 MOTOR DRIVE SCHEMATIC DIAGRAM (DVD MT PCB) FROM/TO MPEG/MICON/DSP DM3S DVD/CD DVD_LD CD_LD DVD/CDPD FROM/TO LOADER OPU_A OPU_B OPU_C CP2301_1 OPU_D LD07T2-24ND-03 OPU_E OPU_F HOME (D_GND) DVD/CDPD MON(DVD) TOUT_SW NC(SW) TIN_SW VR/DVD B2304 VOL(DVD) RF_A5V P.CON+A5V JG017 JG018 GND(DVD) JG056 MMZ1608R102CT TRACK_PWM DVDLD...

  • Page 69: Audio/Video

    AUDIO/VIDEO SCHEMATIC DIAGRAM (DVD MT PCB) C/B/U DAC_C_VIDEO Y/R/V DAC_B_VIDEO CVBS/C DAC_D_DVD_VIDEO FROM/TO MPEG/MICON/DSP C8105 DAC_VIDEO_C DAC_VIDEO_C DAC_VIDEO_B 12P CH DAC_VIDEO_D L8102 P.CON+5V 1uH 0305 W819 C8108 DAC_VIDEO_B 12P CH RESET L8103 1uH 0305 W820 AMCLK C8111 ABCLK FROM/TO DVD IN/OUT DAC_VIDEO_D TP8102 TP8101...
  • Page 70 Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (VCR MT PCB) AT+5V R4552 Y/C_VIDEO TEST POINT 100 1/4W CP4504_1 S804Y S804X A2001WV2-5P FROM REGULATOR W867_1 SW_AUDIO_OUT_R W861 SW AUDIO OUT R R4538 AT+5V P.CON+8V W809 1.8K P.CON+5V_A Y/C VIDEO W868 SW_AUDIO_OUT_L SW AUDIO OUT L AT+5V FROM/TO Hi-Fi/DEMODULATOR NORMAL_A...

  • Page 71: Micon

    MICON SCHEMATIC DIAGRAM (VCR MT PCB) BACKUP+5V FROM/TO REGULATOR C133 C148 C151 BACKUP+5V 0.1 B AT+5V 68P CH 0.1 F C121 DVD_H VCR_POWER_H 390P CH AT+12V C167 P.CON+5V_C TV_POWER_H 47P CH EMERGENCY R177 C128 DEGAUSS_H CCD_SW 1.5K 220P CH POWER_FAIL Q112 2SC2412K C126...
  • Page 72 IN/OUT SCHEMATIC DIAGRAM (VCR MT PCB) FROM/TO POWER CD001_1 (CP001) CH012503 TU001 FROM/TO SOUND AMP 115-V-KA35ARH SOUND_R+ W815 TUNER_VIDEO SOUND_L+ POWER_LED_SW Q2202 SP_OUT_L KRC102SRTK SOUND_GND T-REC LED SW 30.9 AT+30V Q2203 KRC102SRTK B8001 C8010 R8004 W837 W4BRH3.5X6X1.0X2 TUNER_AUDIO COAXIAL FROM/TO REGULATOR J8007 D AUDIO DRIVER REC LED SW...

  • Page 73: Chroma/If

    CHROMA/IF SCHEMATIC DIAGRAM (VCR MT PCB) W853 FROM/TO REGULATOR P.CON+5V P.CON+8V 8.5VREG W875 H.OUT V.OUT ABCL MOTOR+12V H_GND R625 R620 FROM DVD IN/OUT 4.7M DVD_Y/C-C CHROMA IC IC601 C628 DVD_Y/C-Y LA76319NM-MPB-E 0.47 B W810 FROM/TO Y/C/AUDIO/HEAD AMP C622 R622 W819 CLMP DVD_Y/C-Y APC1...
  • Page 74 SOUND AMP SCHEMATIC DIAGRAM (VCR MT PCB) SOUND AMP IC IC302 AN7522N FROM REGULATOR1 10.0 SOUND_R- HS16S HS301 763WAA0330 FROM/TO IN/OUT SOUND_R+ SOUND_L+ SP_OUT_L FROM/TO SPEAKER FROM REGULATOR CP351 CD351 TID-X02P-B2 SPEAKER CU123805 SOUND+B SP351 SOUND L+ YDP512-44 SOUND L- 8 OHM SOUND_GND SOUND_GND...
  • Page 75 Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM (VCR MT PCB) C5511 0.1 B C5507 R5504 3.3K 0.22 R5523 FROM IN/OUT Hi-Fi/AUDIO/HEAD AMP/DEM IC IC5501 FRONT_A_IN_R AN3663FBP R5503 FRONT_A_IN_L 3.9M TUNER_AUDIO C5505 C5509 C5550 0.015 B DEM_BLK ZZ-PROM LOGIC 0.1 F C5551 C5513 4.5M 95HMz MUTE VCO-F0 TRAP DEMOD...

  • Page 76: Dvd In/Out

    DVD IN/OUT SCHEMATIC DIAGRAM (VCR MT PCB) TO SOUND AMP FROM/TO MPEG/MICON/DSP DVD_MOTOR_GND SW_AUDIO_OUT_L CP8001 (CD4002_1) A2001WV2-11P SW_AUDIO_OUT_R GND(D) ZERO GND(D) W844 W816 C8019 GND(M) 56P CH P.CON+6V_DH P.CON+9V P.CON+5V_D AUDIO_OUT_L P.CON+A5V DVD+3.8V AUDIO SW IC DVD+3.8V R8028 IC8001 MM1501XNRE AT+5V DVD+3.8V 4.7K...

  • Page 77: Regulator

    REGULATOR SCHEMATIC DIAGRAM (VCR MT PCB) W863 AT+12V AT+5V OUT IC IC3005 KIA7805API P.CON+5V_A OUT IC IC3003 KIA278R05PI R3030 D3008 1/4W R3015 11E1-EIC BUFFER AT+5V Q3015 2SC2412K 1/4W BACKUP+5V TO Y/C/AUDIO/HEAD AMP HS6S HS3002 P.CON+5V_A 763WAAA077 P.CON+8V P.CON+5V_A AT+5V FROM/TO MICON P.CON+8V SW VCR_POWER_H Q3002...
  • Page 78 DEFLECTION SCHEMATIC DIAGRAM (TV MT PCB) V.OUTPUT IC IC401 LA78040N THERMAL PROTECTION PUMP UP FROM/TO DY 27.5 11.1 27.6 CP402 A1561WV2-A5P FB401_1 C411 FQI14B008_M 0.0015 B R413 R416 R412 L402 VIDEO 3.3K 1/4W 1.8K 1/4W 56K 1/4W 117.8 ELH5L4112 R448 1K 1W R406 C450...

  • Page 79: Crt

    CRT SCHEMATIC DIAGRAM (CRT PCB) 133.5 J801 ISMS01S 129.9 137.3 TP801 R802 15K 2W R807 123.3 2.7K 1/4W BLUE AMP Q804 2SC4217 D802 1SS133 R814 4.7K 1/4W FROM CHROMA/IF CP853B (CP603) 52147-0610 CUT_OFF CUT_OFF R.OUT R.OUT TP802 G.OUT G.OUT B.OUT B.OUT R805 SPOT_L...

  • Page 80: Power

    POWER SCHEMATIC DIAGRAM (TV MT PCB) CAUTION :FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 6.3A 125V(F1701). 6.3A 125V ATTENTION :POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 6.3A 125V(F1701). D1706 SP353 CP353...
  • Page 81 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 82: Interconnection Diagram

    CP8003 INTERCONNECTION DIAGRAM CP2301 DVD_VIDEO L4002 DVD_A_OUT_L DVD_A_OUT_R MON(DVD) MON(DVD) P.CON+12V CD4002_1 CP8001 NC(SW) NC(SW) DRIVE GND(D) GND(D) DM-3 VOL(DVD) VOL(DVD) GND(D) GND(D) GND(DVD) GND(DVD) CP601 SSCCLK/TX LD(DVD) LD(DVD) RDY(I/O(0))/RX LD(CD) LD(CD) GND(M) GND(M) VOL(CD) VOL(CD) P.CON+6V P.CON+9V GND(CD) GND(CD) IIC_OFF P.CON+A5V P.CON+A5V...

  • Page 83: Waveforms

    WAVEFORMS MPEG/MICON/DSP AUDIO/VIDEO Y/C/AUDIO/HEAD AMP 20µs 10ns 500µs 1.0V 100mV 500mV REC/PB 200ms 100mV 500µs 500mV 20mV 20ns 10µs 200mV 1.0V 100mV 200mV 200ns 100µs 1.0V 200mV MEMORY 20µs 10µs 500mV 200mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 84 WAVEFORMS MICON 20ms 20µs 20µs 2.0V 0.5V 1.0V POWER ON POWER ON 20µs 10ms 2.0V 0.5V 1.0V POWER ON POWER ON 0.5µs 50µs 50µs 100mV 2.0V 0.5V POWER ON POWER ON POWER ON 20µs 50µs 10ms 1.0V 2.0V 2.0V POWER ON POWER ON POWER ON CHROMA/IF...
  • Page 85 WAVEFORMS 20µs 10ms 10ms 1.0V 10.0V POWER ON TV POWER DVD IN/OUT 20µs 50µs 2.0V POWER ON DVD PLAY POWER ON 50µs 5.0V 2.0V POWER ON DVD PLAY DEFLECTION 10ms 20µs 0.5V 200V POWER ON POWER ON 20µs 10ms POWER ON POWER ON NOTE: The following waveforms were measured at the point of the corresponding...

  • Page 86: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW PCB110 (CRT PCB ASS'Y) 101C 101L 101J 101I 101M 101H 101N 101I 101M 101F 101J 101B 101I 101E 101D 101J 101K 101G 101A I1-1...
  • Page 87 MECHANICAL EXPLODED VIEW PCB070 (TV MT PCB ASS'Y) PCB130 (DVD MT PCB ASS'Y) PCB010 (VCR MT PCB ASS'Y) I1-2...
  • Page 88 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 138, 139 140, 141, BL001, TM101 I1-3...

  • Page 89: Chassis Exploded Views

    CHASSIS EXPLODED VIEW (TOP VIEW) CD1501 M2003 UN4001 H5002 H5001 CD1502 M101 NOTE: Applying positions AA for the grease are displayed for this section. CLASS MARK Check if the correct grease is applied for each position. GREASE I2-1...
  • Page 90 CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 CD1501 CD1502 NOTE: Applying positions AA for the grease are displayed for this section. CLASS MARK Check if the correct grease is applied for each position. GREASE I2-2...

  • Page 91: Dvd Deck Exploded View

    DVD DECK EXPLODED VIEW Cannot supply separately. If the repair is needed, replace the LOADER SUB ASS'Y. 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.

  • Page 92: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description 75002736 7A701A725A FRONT CABI ASS'Y 101A 75002710 701WPJD301 CABINET FRONT 101B 75002712 711WPA0275 PLATE FRONT 101C 72799440 712WPJ0920 FLAT FLAP 101D 72799441 712WPJ0921 FLAP DVD 101E 72799478 713WPAA208 GLASS LED 101F 72799481 713WPAA211...
  • Page 93 MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description 72781276 8117140A2U SCREW,TAPPING(B0) PAN 4*12 CH 72781275 811714080U SCREW TAPPING(B) PAN 4*8 CH 72798793 8110E3080U SCREW TAP TITE(P) WH10 3*8 CH 72781295 8162540A6U SCREW TAPPING (BO) WASHER 18 72781279 8117540A6U SCREW TAPPING(B0) TRUSS 4*16 CH...

  • Page 94: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description 72783455 A5T410J420A DECK ASSY A5T410J420A 72795710 85OA400245 PINCH ROLLER BLOCK VA2 72795711 85OA500026 AHC ASS'Y 72795712 85OP200290 BELT,CAPSTAN (S) 72795713 85OP600581 WORM 72795714 85OP500091 BASE,AC HEAD 72795715 85OP800324 SPRING,AC HEAD 72795716 85OA000528 MAIN CHASSIS ASS'Y...

  • Page 95: Dvd Deck Replacement Parts List

    DVD DECK REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description ! 600 72783201 A2I301H650 DVD MECHA ASS'Y A2I301H650 72795767 92P100109A HOLDER,TRAVERSE 72795768 92P100094A CLAMPER 72795769 92P100088A GEAR,MOTOR 72798813 92AAA0013A FEED RACK ASS'Y 72795771 92P200013A INSULATOR(F) 72795772 92P200014A INSULATOR(R) 72781331 92SBB0029A LOADER SUB ASS'Y...

  • Page 96: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R408 72797881 R3X18A331J R,METAL OXIDE 330 OHM 2W ! R410 72797911 R3X28AR82J R,METAL OXIDE 0.82 OHM 2W ! R418 72797795 R002T23R3J 3.3 OHM 1/2W ! R422 72781734 R5X34F562J R,CEMENT 0 5.6K OHM 10W...
  • Page 97 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES ! D1705 72794473 D2WTRM11C0 DIODE,SILICON RM11C-EIC D1706 72794491 D1VT001330 DIODE,SILICON 1SS133T-77 D1707 72794491 D1VT001330 DIODE,SILICON 1SS133T-77 D1708 72795087 D28TEQS040 DIODE,SCHOTTKY 11EQS04TA1B2 D1709 72794491 D1VT001330 DIODE,SILICON 1SS133T-77 ! D1710 72794465 D97U03301B DIODE,ZENER...
  • Page 98 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q102 72794567 TNAAC05002 COMPOUND TRANSISTOR KRC103SRTK Q103 72795960 0000M00390 PHOTO TRANSISTOR ST-304L Q104 72796090 0002700680 PHOTO COUPLER RPI-352C40N Q105 72796090 0002700680 PHOTO COUPLER RPI-352C40N Q106 72794567 TNAAC05002 COMPOUND TRANSISTOR KRC103SRTK Q107 72796091...
  • Page 99 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS L3005 72796513 02167E220K COIL L4001 72795936 02167F2R2J COIL 2.2 UH L4501 72794526 02167F220J COIL L4502 72796100 031626009R COIL,BIAS OSC 1626009 L4504 72794540 02167F101J COIL 100 UH L4505 72796089 02167F470J COIL...
  • Page 100 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS B4018 72795787 0246C51024 CORE,BEADS MMZ1608R102CT B8001 72794355 024HT03563 CORE,BEADS W4BRH3.5X6X1.0X2 B8103 72795787 0246C51024 CORE,BEADS MMZ1608R102CT BL001 72782870 023C00022A COIL,BALUN HPN-01 BT001 72783174 141U004016 BATTERY,MANGAN MNAAA(R03) BT002 72783174 141U004016 BATTERY,MANGAN MNAAA(R03) CD001...
  • Page 101 ELECTRICAL REPLACEMENT PARTS LIST RESISTOR RC....CARBON RESISTOR CAPACITORS CC....CERAMIC CAPACITOR CE....ALUMI ELECTROLYTIC CAPACITOR CP....POLYESTER CAPACITOR CPP....POLYPROPYLENE CAPACITOR CPL....PLASTIC CAPACITOR CMP....METAL POLYESTER CAPACITOR CMPL....METAL PLASTIC CAPACITOR CMPP....METAL POLYPROPYLENE CAPACITOR J4-6...
  • Page 102 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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