Toshiba MD9DM3 Service Manual
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Toshiba MD9DM3 Service Manual

Toshiba MD9DM3 Service Manual

Color television / dvd video player
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FILE NO. 140-200222
SERVICE MANUAL
COLOR TELEVISION/
DVD VIDEO PLAYER
MD9DM3

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Summary of Contents for Toshiba MD9DM3

  • Page 1 FILE NO. 140-200222 SERVICE MANUAL COLOR TELEVISION/ DVD VIDEO PLAYER MD9DM3...

  • Page 2: 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 RADIATION EXPOSURE.

  • 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: 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 5 IMPORTANT SAFEGUARDS (CONTINUED) DAMAGE REQUIRING SERVICE Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following conditions: When the power-supply cord or plug is damaged. If liquid has been spilled, or objects have fallen into the unit. If the unit has been exposed to rain or water.

  • Page 6: Disc Removal Method At No Power Supply

    DISC REMOVAL METHOD AT NO POWER SUPPLY Remove the Back Cabinet and TV/DVD Block. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Rotate the white gear of Deck CD section in the direction of the arrow by hand, remove the disc from Deck CD.

  • Page 7: Table Of Contents

    TABLE OF CONTENTS CAUTION ..........................A1-1 SERVICING NOTICES ON CHECKING .................. A1-2 IMPORTANT SAFEGUARDS ....................A1-3, A1-4 DISC REMOVAL METHOD AT NO POWER SUPPLY ............A1-5 PARENTAL CONTROL ......................A1-5 TABLE OF CONTENTS ......................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-6 DISASSEMBLY INSTRUCTIONS 1.REMOVAL OF MECHANICAL PARTS AND P.C.

  • Page 8: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 9 Inch / 228.6 mmV System CRT Type Normal Deflection 90 degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2 Speaker Position Side Size 3 Inch Impedance 8 Ohm Sound Output 1.2+1.2 W 10%(Typical) 0.8+0.8 W DVD System...
  • Page 9 GENERAL SPECIFICATIONS Interface Switch Front Power (Tact) Channel Up Channel Down Volume Up Volume Down Play Open/Close Skip(>>) Skip(<<) Still/Pause Stop Main Power SW Rear AC/DC Color On/Off (SECAM Only) Degauss Main Power SW Indicator Power Stand-by On Timer Fluorescent Indicator Pause Track VIDEO...
  • Page 10 GENERAL SPECIFICATIONS G-12 On Screen Menu(TV) Display Menu Type Icon Picture Contrast Brightness Color Tint Sharpness Sound Bass Treble Balance Auto Tuning Manual Tuning CATV Option Language V-Chip Clock Clock Set On/Off Timer Sleep Timer CH/AV/DVD Stereo, Audio Output, Bilingual Stereo, Audio Output, SAP(Stereo Only) Stereo, Audio Output Sound 1/2...
  • Page 11 GENERAL SPECIFICATIONS G-14 Remote Unit RC-EF Control Glow in Dark Remocon Format Custom Code 71-8E h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys Keys Power Open/Close Play Stop Search+ Search- Skip+ Skip- Slow+ Slow- Still/Pause Display/Call...
  • Page 12 GENERAL SPECIFICATIONS G-15 Features Auto Degauss Auto Shut Off Auto Power On, Auto Play Canal+ CATV Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip Type Fast Text UniText Top Text Auto Search CH Allocation Channel Lock Just Clock Function Game Position CH Label VM Circuit Area Code...
  • Page 13 GENERAL SPECIFICATIONS G-17 Carton Master Carton Content --- Sets Material --- / --- Dimensions W x D x H(mm) Description of Origin Gift Box Material Double/Full Color W/Color Phote Label Dimensions W x D x H(mm) 338x376x386 Design As Per Buyer 's Description of Origin Natural Dropping At 1 Corner / 3 Edges / 6 Drop Test...

  • Page 14: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: TV/DVD BLOCK (Refer to Fig. 1-3) Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP301, CP302, CP401 and CP403). Remove the 4 screws 1. Remove the TV/DVD Block in the direction of arrow.
  • Page 15 DISASSEMBLY INSTRUCTIONS 1-5: FRONT TRAY PLATE/TOP SHIELD (Refer to Fig. 1-5) Unlock the 2 supports 1. Remove the Front Tray Plate in the direction of arrow (A). Remove the 14 screws 2. CD Deck Remove the Top Shield in the direction of arrow (B). Top Shield Syscon PCB Angle Deck...

  • Page 16: Removal Of Anode Cap

    DISASSEMBLY INSTRUCTIONS 2. 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 17: Removal Of Deflection Yoke

    DISASSEMBLY INSTRUCTIONS 3. REMOVAL OF DEFLECTION YOKE (Refer to Fig. 3-1) Loosen the screw 1. Remove the Convergence • Purity Magnet in the direction of arrow. Remove the 3 Wedges. Remove the Deflection Yoke in the direction of arrow. INSTALLATION Install new Deflection Yoke in reverse steps of REMOVAL.

  • Page 18: 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 19 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 20 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. 3-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 21: 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 and on the remote control for more than a standard time (second).

  • Page 22: 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 setting for the position of the mark @ due to the adjustment value. Table 1 Enter DATA SET mode by setting VOLUME to minimum.

  • Page 23: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION ADJUSTMENTS R CUT OFF BRI. AV(CENT.) G CUT OFF BRI. AV(MAX) Read and perform these adjustments when repairing the B CUT OFF BRI. AV(MIN) G DRIVE COL. AV(CENT.) circuits or replacing electrical parts or PCB assemblies. B DRIVE COL.
  • Page 24 ELECTRICAL ADJUSTMENTS 2-4: WHITE BALANCE 2-9: VERTICAL LINEARITY NOTE: Adjust after performing CUT OFF adjustment. NOTE: Adjust after performing adjustments in section 2-8. After the adjustment of Vertical Linearity, reconfirm Place the set with Aging Test for more than 15 minutes. the Vertical Position and Vertical Size adjustments.
  • Page 25 ELECTRICAL ADJUSTMENTS 2-12: SEPARATION 2-13: SUB BRIGHT CENTER Please do the method (1) or method (2) adjustment. Receive the monoscope pattern. (RF Input) Using the remote control, set the brightness and Method (1) contrast to normal position. Set the multi-sound signal generator for each different Activate the adjustment mode display of Fig.
  • Page 26 ELECTRICAL ADJUSTMENTS 2-14: SUB TINT CENTER 2-15: SUB COLOR CENTER Receive the color bar pattern. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness, contrast, Using the remote control, set the brightness, contrast, color and tint to normal position.
  • Page 27 ELECTRICAL ADJUSTMENTS 2-16: SUB CONTRAST MAX Activate the adjustment mode display of Fig. 1-1 and press the channel button (15) on the remote control to select "CNTX". Press the RIGHT/LEFT button on the remote control until the contrast step No. becomes "3A" Receive a broadcast and check if the picture is normal.

  • Page 28: 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 29 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CD803 CRT PCB CP850B CP801 J801 SYSCON PCB MAIN PCB CP810B CP803A FB401 CP811 T502 VR501 VR502 T501 TP401 R449 VR402 CP402 CP403 L508 AC IN CD811 CP101 J7002 CP850A CP820A SPEAKER CP301...

  • Page 30: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW PCB110 (CRT PCB) PCB070 (MAIN PCB)
  • Page 31 MECHANICAL EXPLODED VIEW PCB010 (SYSCON PCB) PCB250 (AV PCB)

  • Page 32: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ310433 A577A8I720 CABINET,FRONT ASSY BZ710289 738WPA0017 BUTTON,BASE BZ710459 761WPA0223 HOLDER,FBT BZ710284 890PS70100 PUSH,SPACER BZ710448 761WPA0211 HOLDER,BUSH BZ710039 8995034000 CORD CLIP UL CO. BZ710438 752WSA0237 PLATE,BOTTOM BZ710398 761WSA0079 ANGLE,DECK BZ710294 741WUA0002 SPRING,EARTH BZ710439...

  • Page 33: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R130 BZ210235 R00204103J 10K OHM 1/4W ! R165 BZ210183 R3X18A220J R,METAL OXIDE OHM 2W ! R166 BZ210184 R3X281101J R,METAL OXIDE 100 OHM 1W ! R404 BZ210112 R4X5T6152F R,METAL 1.5K OHM 1/6W ! R439 BZ210089...
  • Page 34 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D401 BZ410043 D2WT011E10 DIODE,SILICON 11E1-EIC D402 BZ410014 D2LTPG06J0 DIODE,SILICON RMPG06J-G3 D403 BZ410023 D97U09R11B DIODE,ZENER MTZJ9.1B T-77 ! D408 BZ410018 D94TA27011 DIODE,ZENER HZ27-1L TD ! D409 BZ410017 D94TA11B13 DIODE,ZENER HZ11B3L TD ! D411 BZ410014...
  • Page 35 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description ! IC153 BZ611033 I1KA97809A KIA7809API ! IC154 BZ611015 I1KA97805A KIA7805API IC199 BZ610213 A577A2I255 S-24C08ADPA-01 ! IC302 BZ611035 I0FSP75220 AN7522 ! IC401 BZ611025 I03TD80400 LA78040 ! IC501 BZ611041 I2BT066230 STR-G6623 ! IC503 BZ611015 I1KA97805A...
  • Page 36 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q7001 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q7002 BZ510001 T6YJ1037K0 TRANSISTOR,SILICON 2SA1037AKT146R,S Q7003 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q7004 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q7005 BZ510025 TPYJB05001 COMPOUND TRANSISTOR DTA114EKAT146 Q7006 BZ510045...
  • Page 37 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description P.C.BOARD ASSEMBLIES PCB110 BZ610216 A577A2I110 PCB ASS'Y TCX345B PCB250 BZ310432 A577A8I250 PCB ASS'Y TMX486A MISCELLANEOUS B501 BZ310129 024HT03564 CORE,BEADS W4BRH3.5X6X1 B502 BZ310122 024HT03563 CORE,BEADS W4BRH3.5X6X1.0X2 B503 BZ310129 024HT03564 CORE,BEADS W4BRH3.5X6X1 B504 BZ310122...
  • Page 38 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS TM101 BZ614429 076D0EF010 TRANSMITTER TOT201N09080 ! TU001 BZ610125 0145K00055 TUNER,VHF-UHF TECC1040PG32D ! V801 BZ614161 09D1090401 CRT W/O DY A22JWG098X X101 BZ613019 1002T01606 CERAMIC OSCILLATOR CSTLS16M0X53-A0 X601 BZ613004 100CT3R505 CRYSTAL HC-49/C X1001...
  • Page 39 DVD BLOCK DIAGRAM DIGITAL AUDIO SW IC IC8504 TO TV BLOCK SN74LV4052APW Q7001, Q7002 SPDIF(CD) DVD REQ J7001 D AUDIO DRIVER SPDIF(DVD) DVD ROM DRIVE DVD ERR,DVD SOS,DVDVALID,DVDSTB DVD: "L" DVD/CD CD : "H" ZERO DVD DATA (0-7) STEREO DAC DVD A L IC8503 CD DATA (ERR, FRM, DATA, CLK)

  • Page 40: Tv Block Diagram

    TV BLOCK DIAGRAM TU001 SCL SDA AGC IF SAW FILTER Q205 CF203 Q804 PRE AMP RED AMP Q805 GREEN AMP Q806 Q7012 Q7011 FROM DVD BLOCK BLUE AMP MUTE SW MUTE SW IF/CHROMA IC IC601 TB1253N MEMORY IC IC199 RESET IC S-24C08ADPA-01 AT+5V IC102...

  • Page 41: Power Block Diagram

    POWER BLOCK DIAGRAM P.CON +A5V SOUND+B AT+8V +5V REG IC IC154 KIA7805API Q153 Q157 FBT+8V P.ON SW DRIVER Q151 AT+8V F501 D503 P.CON+A5V TRANSFORMER DRIVER SWITCHING RECTIFIER AC IN Q152 T501 P.ON SW TV POWER H POWER REG IC +B(P.CON 135V) IC506 IC501 STR-G6623 TLP621 (D4-GR-LF2)
  • Page 42 PRINTED CIRCUIT BOARDS SYSCON (TOP SIDE) (BOTTOM SIDE) CP8501 C4018 IC4002 IC8504 B4002 C4019 C4010 R4027 R1014 C1010 C4005 R1018 R1011 R1009 R1010 R1004 C4003 C1001 C4014 C1008 C4002 R1005 IC8503 C1002 IC1001 C1003 C1009 IC1006 IC4001 C4001 R4012 R4004 IC8501 R4003 R4011...
  • Page 43 PRINTED CIRCUIT BOARDS AV (INSERTED PARTS) SOLDER SIDE C105 HS301 W124 IC302 W002 W847 CP301 CP8001 W143 W140 R166 W128 W139 W108 W005 W820 W848 W126 IC154 C312 W123 R316 W193 W144 W057 W141 W817 W056 W025 W120 W114 W053 HS152 SW109 R106...
  • Page 44 PRINTED CIRCUIT BOARDS AV (CHIP MOUNTED PARTS) SOLDER SIDE C352 C351 R913 Q8002 R203 R215 R619 Q204 IC902 C628 R222 R618 R606 R620 Q203 S102X Q8003 W866 C204 C626 R617 Q7014 S102Y C605 R224 C7043 R218 C208 R605 C7037 Q202 R219 Q205 C202...
  • Page 45 PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE D403 CP820B C420 CP810B C527 CD803 D505 CP803A W043 W826 D518 L503 D545 IC503 W046 W828 FB401 W019 Q511 T502 D524 RY503 D552 D550 Q505 W045 W823 W028 R549 D532 W818 VR502 W026 D415 Q516...
  • Page 46 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE C805 R814 C810 C811 C809 R812 R813 R811 Q401 R424 R429 C409 Q408 Q507 Q504 C516 R508 Q515 R509 Q404 C506 Q407 Q518 R531 C531 R540 Q506 Q522 C541 Q513 C545 R521 Q514 R527...
  • Page 47 FROM/TO LOADER MPEG SCHEMATIC DIAGRAM (SYSCON PCB) CP4001 R4001 CD4001 IMSA-9615S-26C-P DVDDAT7 SDT7 C4007 2S0Q0901 DVDDAT6 SDT6 0.001 B FROM/TO VIDEO ENCORDER DVDDAT5 C4008 SDT5 P.CON+3.3VA 6.3V DVDDAT4 SDT4 DGND DVDDAT3 R4029 SDT3 CLK27 C4017 C4015 DVDDAT2 SDT2 6.3V B4001 DVDDAT1 SDT1 P.CON+3.3V.MP...
  • Page 48 SDRAM SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MPEG S-DRAM IC IC4002 HY57V161610DTC-8 MD15 I/O15 I/O0 MA10 MD14 I/O14 I/O1 MA11 MCS0# VSSQ VSSQ MRAS# MPCLK MD13 MCAS# I/O13 I/O2 MWE# MDQM MD12 I/O12 I/O3 VCCQ VCCQ MD10 MD11 MD11 I/O11 I/O4 MD12 MD10 I/O10...
  • Page 49 SYSCON SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO VIDEO ENCORDER B1001 N2012ZP600T25 DVD_RESET MUTE P.CON+3.3V P.CON+D5V DGND RESET MPGSTBY EEPROM IC IC1006 BR24C01AF-WE2 SSC-MRST TEST SSC-MTSR CD/DVD R1004 4.7K R1005 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC R1034 4.7K 4.7K...
  • Page 50 VIDEO ENCORDER SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MPEG P.CON+3.3VA DGND FROM/TO POWER P.CON+3.3V.MP P.CON+3.3V CP8501 (CP8002) AMCLK TKC-A18X-J1 CLK27 ABCLK 0.83 ALRCLK SPDIF-DVD C8525 0.37 SSC-MRST 3.65 SSC-MRST ASDAT0 YUV0 SSC-MTSR YUV0 22P CH SSC-MTSR TTXDAT C8514 YUV1 3.65 Y/CVBS YUV1 YUV2 AGND...
  • Page 51 POWER SCHEMATIC DIAGRAM AT+8V DRIVER FBT+8V DRIVER Q151 2SB1131 Q153 2SB926 (AV PCB) R158 R153 R156 P.ON SW P.ON SW Q157 Q152 DTC114EKA 2SC2412K FROM/TO TV POWER CP810A (CP810B) B2013H02-12P TO SOUND AMP AT+8V SOUND GND SOUND_GND SOUND+B SOUND+B AT+6V L010 X-RAY TEST W5T29X7.
  • Page 52 MICON/TUNER SCHEMATIC DIAGRAM TEST POINT (AV PCB) CP101 TU001 TECC1040PG32D TKC-M06X-A1 I2C SCL I2C SDA I2C_OFF I2C OFF R174 TUNER_AGC 1/4W TO IN/OUT AT+30V TV/DVD CHROMA+5V EXT_MUTE TUNER_AGC FROM/TO AV SW SWD_V.OUT C118 TUNER_IF R140 D104 OS101 R144 PIC-28143SY-2 FROM/TO STEREO MTZJ5.1B R141 4.7K...
  • Page 53 VIF/SIF/CHROMA SCHEMATIC DIAGRAM (AV PCB) L601 L203 100uH 0305 100uH 0305 EXT AUDIO DRV. Q204 2SC2412K R220 R226 C225 R204 FROM/TO POWER T.V.BUF. Q203 3.3K 2SC2412K R205 V.OUT L201 R208 CLAMP H.OUT C226 18uH Q202 2SC2412K 0.1 B W861 CF201 EFCT4R5MW5 CHROMA+5V 4.81...
  • Page 54 SOUND AMP SCHEMATIC DIAGRAM (AV PCB) SOUND AMP IC IC302 AN7522 8.56 3.68 3.71 4.14 4.15 1.45 1.26 3.74 3.93 W851 C307 C348 0.01 0.01 HS301 763WAA0199 FROM/TO OPE PCB L CH SP301 CP301 SPEAKER TID-X02P-M1 SA08A05BWC SP OUT L+ 8 OHM SP OUT L- R CH...
  • Page 55 IN/OUT SCHEMATIC DIAGRAM (AV PCB) FROM/TO AV SW MUTE SW DVD_A_L Q7005 DTA114EKA MUTE SW DVD_A_R Q7007 2SC2412K SWD_V.OUT R7025 MUTE SW MONITOR_A_L MUTE SW Q7008 Q7004 2.2K 2SC2412K MONITOR_A_R 2SC2412K R7014 R7020 R7026 2.2K FROM/TO POWER P.CON+9V AT+9V L7002 P.CON+D5V 100uH SPDIF-134...
  • Page 56 AV SW SCHEMATIC DIAGRAM (AV PCB) R8008 1/2W FRONT AUDIO(R) J8001 HTJ-032-05AR C8007 R8015 BUFFER Q8002 FRONT AUDIO(L) 2SC2412K J8002 HTJ-032-05AW C8008 R8016 BUFFER Q8003 2SC2412K FROM/TO IN/OUT FRONT VIDEO J8003 HTJ-032-05AY MONITOR_A_L MONITOR_A_R DVD_A_L L701 DVD_A_R SWD_V.OUT 100uH 0305 FROM POWER P.CON+9V DVD_VIDEO...
  • Page 57 STEREO SCHEMATIC DIAGRAM (AV PCB) FROM/TO MICON/TUNER R911 100 1/4W R912 100 1/4W TO AV SW TUNER_A_L TUNER_A_R TP901 BZW400000BV1 W870 W871 FROM VIF/SIF/CHROMA TU_AUDIO 2.02 2.48 2.51 4.95 4.90 3.50 3.40 2.18 3.48 OUT SW IIC Decoder St.PLL Pilot Input Switch L-R Filter...
  • Page 58 DC JACK J503 TV POWER SCHEMATIC DIAGRAM HEC0824-010010 (MAIN PCB) RY503 ALKS325 D550 MTZJ6.2B D502 1SS133 DC POWER SW Q501 D526 2SC1815Y 10.9 1SS133 DC POWER SW. Q511 PROTECTOR PROTECTOR/AC,DC SW Q518 2SC1815Y Q514 DTC114EKA D501 DTC114EKA FROM/TO DEFLECTION MTZJ10B W822 D553 W842...
  • Page 59 DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) CP403 TV-50P-02-A1 K001 K002 K003 DEGAUSS COIL TMM17538 TMM17538 TMM17538 L508 V.OUTPUT IC IC401 LA78040 W888 8R090008 THERMAL PROTECTION PUMP UP DEGAUSE SW Q401 4.17 26.90 15.57 2.51 25.30 4.15 DTA114EKA C419 W884 500V TO DY DY801 KDY3CFB23M CP401...
  • Page 60 CRT SCHEMATIC DIAGRAM (CRT PCB) 132.9 104.1 132.8 132.5 TP801 R802 J801 FROM VIF/SIF/CHROMA HPS3200-010501 15K 1W CP850B (CP850A) RED AMP 52147-0510 Q804 B.OUT 2SC3468 102.1 R807 R.OUT 2.7K 1/2W G.OUT CLAMP R811 C809 560P CH TP802 R805 GREEN AMP 15K 1W Q805 2SC3468...
  • Page 61 INTERCONNECTION DIAGRAM R CH CP101 SPEAKER SP302 CP302 FRONT AUDIO (R) FRONT AUDIO (L) FRONT VIDEO J8001 J8002 J8003 SP OUT R+ I2C SCL 8 OHM SP OUT R- I2C SDA I2C OFF L CH SPEAKER SP301 CP301 SP OUT L+ 8 OHM CP4001 CD4001...
  • Page 62 WAVEFORMS MPEG TV POWER SDRAM SYSCON DEFLECTION VIDEO ENCORDER NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 63 WAVEFORMS MICON/TUNER VIF/SIF/CHROMA NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 64 WAVEFORMS IN/OUT STEREO SOUND AMP AV SW The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.
  • Page 65 TOSHIBA VIDEO PRODUCTS PTE. LTD. 438B ALEXANDRA ROAD, BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...

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