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Toshiba MD20FM3 Service Manual

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FILE NO. 140-200221
SERVICE MANUAL
COLOR TELEVISION/
DVD VIDEO PLAYER
MD20FM3

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Summary of Contents for Toshiba MD20FM3

  • Page 1 FILE NO. 140-200221 SERVICE MANUAL COLOR TELEVISION/ DVD VIDEO PLAYER MD20FM3...

  • 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 NOTHCES ON CHECKING ................A1-2 HOW TO ORDER PARTS ...................... A1-2 IMPORTANT SAFEGUARDS ....................A1-3, A1-4 DISC REMOVAL METHOD AT NO POWER SUPPLY ............A1-5 PARENTAL CONTROL-RATING LEVEL ................A1-5 TABLE OF CONTENTS ......................A2-1 GENERAL SPECIFICATIONS ....................

  • Page 8: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 20 Inch / 508.0 mmV System CRT Type FLAT Deflection 90 degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2 Speaker Position Front Size 3 Inch Impedance 8 Ohm Sound Output 2.5x2.5 W 10%(Typical) 2.0x2.0 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 CH Memory ADD/DELETE TV/CATV Option Language V-Chip Clock Clock Set On/Off Timer Sleep Timer CH/AV/DVD Stereo, Audio Output, Bilingual Stereo, Mono, SAP(Stereo Only) Stereo, Audio Output Sound 1/2...
  • Page 11 GENERAL SPECIFICATIONS G-13 OSD Language (TV) Eng, Fre, Spa (DVD) Eng, Fre, Spa 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 Keys Total 45 Key Power Open/Close...
  • 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-16 Accessories Owner's Manual Language w/Guarantee Card Guarantee Card Registration Card(NDL Card) Registration Card Warranty Card Information Sheet ESP Card Toll Free Insert Sheet Warning Sheet Survice Information Sheet Quick Set-up Sheet Euro Warranty Information Sheet Dew/AHC Caution Sheet PTB Sheet Circuit Diagram Service Facility List...

  • 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) (CP102, CP303, CP401 and CP502). Remove the 6 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) Remove the Front Tray Plate in the direction of arrow (A). Remove the 9 screws 1. CD Deck Remove the Top Shield in the direction of arrow (B). Syscon PCB Top Shield Angle Deck Front Tray Plate...

  • 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 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. 3-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 18 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 19: 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 20: 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 21: 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 22 ELECTRICAL ADJUSTMENTS 2-5: WHITE BALANCE 2-10: VERTICAL LINEARITY NOTE: Adjust after performing CUT OFF adjustment. NOTE: Adjust after performing adjustments in section 2-9. After the adjustment of Vertical Linearity, reconfirm Place the set with Aging Test for more than 15 minutes. the Vertical Shift and Vertical Size adjustments.
  • Page 23 ELECTRICAL ADJUSTMENTS 2-15: SEPARATION 2-17: LEVEL Please do the method (1) or method (2) adjustment. Receive the VHF HIGH (70dB). Connect the AC voltmeter to TP901. Method (1) Activate the adjustment mode display of Fig. 1-1 and Set the multi-sound signal generator for each different press the channel button (69) on the remote control to L-ch and R-ch frequency (Ex.
  • Page 24 ELECTRICAL ADJUSTMENTS 2-19: SUB TINT CENTER 2-20: 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 25: Dvd

    ELECTRICAL ADJUSTMENTS 2-21: 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 "61" Receive a broadcast and check if the picture is normal.
  • Page 26 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 27 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB CD403 CP807 TP801 J801 CD801 TP803 CD850 TU001 CD820 CP8006 CP8005 CD810 CP8003 CP8002 CD803 TP901 CP8001 CP403 VR502 FB401 CP303 TOP SHIELD AV PCB CD502 TP401 SPEAKER SPEAKER CP506 CP401...
  • Page 28 MECHANICAL EXPLODED VIEW PCB110 (CRT PCB) PCB070 (MAIN PCB) PCB030 (OPERATION PCB)
  • Page 29 MECHANICAL EXPLODED VIEW PCB010 (SYSCON PCB) PCB250 (AV PCB)

  • Page 30: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ310446 A587080720 CABINET,FRONT ASSY BZ710396 713WPA0147 GLASS,LED BZ710459 761WPA0223 HOLDER,FBT BZ710039 8995034000 CORD CLIP UL CO. BZ710420 702WSAA026 PLATE,BOTTOM BZ710398 761WSA0079 ANGLE,DECK BZ710401 769WPA0018 GUIDE,CONNECTOR(FFC) BZ710735 701WPJB770 CABINET,FRONT BZ710259 762WPA0011 HOLDER,CRT WIRE BZ310447...
  • Page 31 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R402 BZ210165 R3X18AR56J R,METAL OXIDE 0.56 OHM 2W ! R410 BZ210166 R002T4562J 5.6K OHM 1/4W ! R418 BZ210053 R002T22R2J 2.2 OHM 1/2W ! R439 BZ210151 R4X5T4273F R,METAL 27K OHM 1/4W ! R441 BZ210013...
  • Page 32 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES ! D409 BZ410084 D97U01101B DIODE,ZENER MTZJ11B T-77 D410 BZ410021 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 ! D411 BZ410014 D2LTPG06J0 DIODE,SILICON RMPG06J-G3 ! D412 BZ410063 D2WTAU02A0 DIODE,SILICON AU02A-EIC ! D413 BZ410014 D2LTPG06J0 DIODE,SILICON RMPG06J-G3...
  • Page 33 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description IC4004 BZ611073 I5CF040520 SN74LV4052APW IC7001 BZ611074 I0QF045800 NJM4580M IC7002 BZ611075 I5CF040530 CD4053BNSR IC8501 BZ611076 I5VF0865A0 BT865AKRF IC8503 BZ611077 I17F017160 PCM1716E IC8504 BZ611073 I5CF040520 SN74LV4052APW TRANSISTORS Q103 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q105 BZ510002...
  • Page 34 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q7015 BZ510073 TAATA12660 TRANSISTOR,SILICON KTA1266-AT(Y,GR) Q7016 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q7017 BZ510045 TNYJD05001 COMPOUND TRANSISTOR DTC144EKAT146 Q751B BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q752A BZ510079 TNATX05001 COMPOUND TRANSISTOR KRC114MAT Q752B BZ510001...
  • Page 35 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description P.C.BOARD ASSEMBLIES PCB110 BZ610183 A58701Q110 PCB ASS'Y TCA359B PCB250 BZ310445 A587080250 PCB ASS'Y TMA503A MISCELLANEOUS B301 BZ310129 024HT03564 CORE,BEADS W4BRH3.5X6X1 B502 BZ310121 024HT03553 CORE,BEADS W5RH3.5X5X1.0 B504 BZ310121 024HT03553 CORE,BEADS W5RH3.5X5X1.0 B505 BZ310121...
  • Page 36 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS ! FB401 BZ310131 043221017R TRANSFORMER,FLYBACK 3221017R FH501 BZ614005 06710T0006 HOLDER,FUSE EYF-52BC FH502 BZ614005 06710T0006 HOLDER,FUSE EYF-52BC FH503 BZ614005 06710T0006 HOLDER,FUSE EYF-52BC FH504 BZ614005 06710T0006 HOLDER,FUSE EYF-52BC ! ICP501 BZ614252 0835C04003 MICRO FUSE...
  • Page 37 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 38 TV BLOCK DIAGRAM FROM OPERATION BLOCK RESET IC102 PST600C AT+5.6V POWER TU001 ON/OFF OPEN/CLOSE MICON IC101 STOP OEC6063C X101 16MHz Q103 PLAY H.BUFFER Q205 Q105 SKIP FF PRE AMP BUFFER SKIP REW SAW FILTER FROM DVD BLOCK CF203 DVD C DVD Y Q7009, Q7010 DVD A L...
  • Page 39 DVD BLOCK DIAGRAM AUDIO SW TO TV BLOCK IC8504 SN74LV4052APW Q7001, Q7002 SPDIF(CD) J7001 DVD REQ COAXIAL LINE DRIVER DIGITAL AUDIO SPDIF(DVD) DVD ROM DRIVE DVD ERR,DVD SOS,DVD VALID,DVD STB DVD: "L" DVD/CD CD : "H" ZERO DVD DATA (0-7) STEREO DAC ANALOGUE IC8503...

  • Page 40: Power Block Diagram

    POWER BLOCK DIAGRAM Q504 RELAY DEGAUSS_H DRIVER Q154, Q155, Q156 P.CON+3.3V +5V REG. P.CON+3.3V DEGAUSS RELAY IC154 KIA7805API Q153 RY501 P.CON 5V P.CON+D5V DRIVER Q158, Q159, Q160 P.CON+3.3V P.CON+3.3V_A Q150 +5.6V REG. AT+5.6V Q151 P.CON+5V P.CON+A5V TRANSFORMER DRIVER SWITCHING F501 D501 T501 AT+8V...

  • Page 41: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS SYSCON (TOP SIDE) SYSCON (BOTTOM SIDE) C1005 C1007 X1001 R1002 R1012 R1034 D1004 R1001 R1015 D1003 R1007 R1033 C1006 R1008 C1011 C4024 R1024 IC1001 R1023 R4023 C1004 C1014 R1019 R1016 R1027 C4011 R1017 R1028 R1006 C4008 IC4001 R4028 C4025 R4001...
  • Page 42 PRINTED CIRCUIT BOARDS AV (INSERTED PARTS) SOLDER SIDE C319 C347 CP8001 W006 W005 IC302 W063 CP303 W867 L302 HS301 W217 R180 HS150 W173 B301 D155 W054 D150 R153 W810 IC153 Q151 IC152 W083 Q150 Q157 W082 W244 W081 W859 W080 IC199 W019 W079...
  • Page 43 PRINTED CIRCUIT BOARDS AV (CHIP MOUNTED PARTS) SOLDER SIDE C133 C642 R226 Q202 Q204 Q203 C617 IC902 C628 R611 R228 C626 R617 C204 R004 R627 C619 R629 C779B Q7014 C774 IC602 R218 Q604 Q205 C7049 C162 C202 Q754 R755B R753B Q752B Q608 Q603...
  • Page 44 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE C353 C351 W806 W804 W813 R352 W015 SW797 SW796 C779A J701_1 OS753 W809 C781 R778 R777 R776 R775A W009 W018 CD355 J351 CD356 R761A Q752A W011 CD757_1 R766 W013 W004 CD702...

  • Page 45: Main/Crt

    PRINTED CIRCUIT BOARDS MAIN/CRT SOLDER SIDE D515 CP810B CP403 R420 C412 R529 CP811 R514 R511 Q508 R524 R526 W032 IC401 W019 R504 W031 Q502 D536 CP820B VR502 Q501 HS401_1 R412 R427 R423 R425 D401 W803 FH504 R417 W001 D410 C526_1 D503 HS502_1 W814...
  • Page 46 MPEG SCHEMATIC DIAGRAM FROM/TO LOADER (SYSCON PCB) CD4001 CP4001 R4001 2S0Q0901 IMSA-9615S-26C-P DVDDAT7 SDT7 C4007 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 C4015 C4017 DVDDAT2 SDT2 6.3V 0.1 F B4001 DVDDAT1 SDT1...
  • Page 47 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 48 SYSCON SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO VIDEO ENCORDER B1001 DVD_RESET N2012ZP600T25 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 FROM/TO MPEG...
  • Page 49 VIDEO ENCORDER SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MPEG P.CON+3.3VA FROM/TO POWER DGND P.CON+3.3V.MP CP8501_1 (CP8002) P.CON+3.3V AMCLK IMSA-9604S-18Z14 CLK27 ABCLK ALRCLK SPDIF-DVD SSC-MRST SSC-MRST ASDAT0 YUV0 C8525 SSC-MTSR YUV0 C8517 SSC-MTSR C8514 TTXDAT YUV1 Y/CVBS YUV1 YUV2 AGND 22P CH 22P CH DVD_RESET YUV3...
  • Page 50 POWER SCHEMATIC DIAGRAM (AV PCB) DIGITAL AUDIO SIGNAL(PB) CAUTION: DIGITAL TRANSISTOR PLAYBACK LUMINANCE SIGNAL NOTE: THE DC VOLTAGE AT EACH PART WAS NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION: SINCE THESE PARTS MARKED BY ATTENTION: LES PIECES REPAREES PAR UN ETANT PLAYBACK COLOR SIGNAL MEASURED WITH THE DIGITAL TESTER...
  • Page 51 MICON/TUNER SCHEMATIC DIAGRAM FROM/TO DEFLECTION (AV PCB) TU001 TECC1040PG32D CD403 CP101 TKC-M06X-A1 I2C SCL R005 I2C SDA I2C_OFF I2C OFF R174 TUNER_AGC TO IN/OUT TV/DVD EXT_MUTE FROM/TO VIF/SIF/CHROMA RESET IC IC102 PST600C TUNER_AGC TUNER_IF D104 MTZJ5.1B R125 R140 OSD_Y D101 R144 OSD_B 1SS133...
  • Page 52 VIF/SIF/CHROMA SCHEMATIC DIAGRAM (AV PCB) L601 L203 100uH 0305 EXT AUDIO DRV. 100uH 0305 Q204 2SC2412K R220 R226 C227 FROM/TO POWER DVD_GND R204 T.V.BUF. EW_OUT 3.3K Q203 2SC2412K R205 V.OUT W849 L201 R208 CLAMP H.OUT Q202 18uH C226 2SC2412K CH-2 0.1 B W818 DVD_Y...
  • Page 53 SOUND AMP SCHEMATIC DIAGRAM (AV PCB) FROM/TO OPERATION SOUND AMP IC IC302 AN7522 CP303 (CD702) A2001WV2-11P FRONT_VIDEO_IN FRONT_A_IN_L SOUND_GND SOUND_OUT_L SP_OUT_L C307 C348 FRONT_A_IN_R 0.01 0.01 SOUND_OUT_R HS301 SP_OUT_R 763WAA0199 FROM POWER SOUND_GND B301 SOUND+B W4BRH3.5X6X1 MUTE P.CON+9V R322 Q304 2SC2412K P.CON+A5V R326...
  • Page 54 IN/OUT SCHEMATIC DIAGRAM (AV PCB) MUTE SW Q7005 MUTE SW DTA114EKA Q7007 FROM/TO AV SW 2SC2412K MUTE SW R7025 Q7004 MONITOR_A_L MUTE SW 2SC2412K 2.2K Q7008 MONITOR_A_R 2SC2412K R7014 R7020 R7026 DVD_A_L 2.2K DVD_A_R SWD_V.OUT REAR_A_IN-L REAR_A_IN-R L7002 100uH REAR_V_IN D AUDIO DRIVER COAXIAL DIGITAL AUDIO R7005...
  • Page 55 AV SW SCHEMATIC DIAGRAM (AV PCB) R8026 1/2W R8019 C8013 BUFFER Q8005 2SC2412K R8018 C8014 BUFFER Q8004 2SC2412K FROM POWER L701 P.CON+9V 100uH 0305 DVD_VIDEO FROM/TO MICON/TUNER AV SW IC IC701 MM1311AD SWD_V.OUT C704 R710 C714 W853 TUNER_A_L DVD_VIDEO 0.1 B C715 C703 R712...
  • Page 56 COMB FILTER SCHEMATIC DIAGRAM (AV PCB) FROM AV SW C758 C765 W858 MONITOR_V 27P CH 0.47 R762 BUFFER Q753 2SA1037AK FROM POWER L755 P.CON+9V P.CON+A5V 100uH 0305 W831 W863 A.VSS BIAS1 TEST D.VCC 1H LINE MEMORY CLAMP ADC DYNAMIC COMB FILTER COLOR C785 KILLER...
  • Page 57 STEREO SCHEMATIC DIAGRAM (AV PCB) FROM/TO MICON/TUNER R911 1/4W R912 TU.AU-L 1/4W TP901 TO AV SW TUNER_A_L TUNER_A_R FROM VIF/SIF/CHROMA TU_AUDIO IIC Decoder St.PLL OUT SW Pilot Input Cancel Switch L-R Filter L-R Demod Matrix De-Emph Pilot (L-R)/SAP Filter Filter Filter 75us L+R Filter...
  • Page 58 OPERATION SCHEMATIC DIAGRAM (OPERATION PCB) FROM/TO MICON/TUNER CD757_1 (CP102) CU292501 REMOCON OUT AT+5V POWER ON LED L756 KEY A W5T18.4X10X9.6 KEY B R778 R771 R772 R773A R774 1K 1/4W 1.5K 1/4W 2.7K 1/4W 5.6K 1/4W 820 1/4W POWER LED SW Q752A Vout KRC114MAT...
  • Page 59 FBT+12V DEGAUSS_H TV POWER SCHEMATIC DIAGRAM TV.POWER_H (MAIN PCB) R528 126.1 126.9 P.CON+30V 68K 1/2W 6.3A 125V 2.5A 125V 4A 125V 126.7 +B 130V DRIVE 130V DRIVE R531 Q503 Q509 RELAY DRIVE 2SA1013 CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, 2SC4160 D516 126.9...
  • Page 60 DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) V.OUTPUT IC IC401 AN5522 THERMAL PROTECTION TO DY FROM/TO MICON/TUNER PUMP UP CP403 (CD403) CP401 003P-2100 B06B-DVS 26.3 12.5 25.9 FROM/TO POWER CP820B (CP8005) 52147-1210 C412 H.OUT 500V P.CON+30V R412 R427 C404 V.OUT 4.7K 1/4W 1.2K 1/4W BUFFER...
  • Page 61 CRT SCHEMATIC DIAGRAM (CRT PCB) FROM VIF/SIF/CHROMA RED AMP TP801 Q807 CP850B (CP8006) RED AMP 2SC1740SP R807 52147-0510 Q804_1 KTC4217(O,Y) 2.7K 1/4W 150.0 R.OUT G.OUT R804 B.OUT R814 220 1/4W CLAMP 1.8K 1/4W 132.5 132.8 J801 CVT3275-5101 GREEN AMP Q808 TP802 GREEN AMP 2SC1740SP...
  • Page 62 INTERCONNECTION DIAGRAM HEADPHONE JACK J351 CD355 SPEAKER SP351 SP OUT R+ 8_OHM SP OUT R- FRONV AV JACK J701_1 CD356 SPEAKER SP OUT L+ SP352 8_OHM SP OUT L- OPERATION PCB PCB030 TEXA33 CP101 I2C SCL I2C SDA I2C OFF DEGAUSS COIL BLADE L503...

  • Page 63: Mpeg

    WAVEFORMS MPEG 20ns 0.2µs 20µs 1.00V 1.00V 0.50V SDRAM MICON/TUNER 10ns 0.2ms 1.00V 2.00V 1.00V VIDEO ENCORDER 0.2µs 0.2µs 0.2µs 1.00V 1.00V 1.00V 10µs 0.2ms 20µs 1.00V 1.00V 0.50V 20µs 0.5V 1.00V 10.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 64: Sound Amp

    WAVEFORMS 50µs 20µs 0.5µs 1.00V 0.50V 50mV VIF/SIF/CHROMA 10µs 20µs 20µs 2.00V 2.00V 0.50V SOUND AMP 10µs 20µs 2.00V 0.50V 100mV 10µs 2.00V 50mV 100mV IN/OUT 10ms 20µs 0.5ms 0.50V 0.50V 200mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 65: Av Sw

    WAVEFORMS STEREO 0.5ms 10µs 50mV 200mV 200mV TV POWER 10µs 0.50V 200mV 5.0V AV SW 2µs 10µs 100V 0.50V 200mV 3.56v COMB FILTER 10µs 0.5ms 200mV 200mV 20.0V DEFLECTION 0.5ms 200mV 200mV 10.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 66: Crt

    WAVEFORMS 20µs 5.0V 20µs 20µs 20µs The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram. H - 4...
  • Page 67 TOSHIBA VIDEO PRODUCTS PTE. LTD. 438B ALEXANDRA ROAD, BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...

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