Toshiba SD-43HT Service Manual
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Toshiba SD-43HT Service Manual

Dvd home theater system
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Table of Contents

See also: Owner's Manual
FILE NO. 810-200309
SERVICE MANUAL
COMPACT
COMPACT
DIGITAL AUDIO
DIGITAL VIDEO
V I D E O
DVD HOME
THEATER SYSTEM
SD-43HT
DOCUMENT CREATED IN JAPAN, Apr., 2003

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Summary of Contents for Toshiba SD-43HT

  • Page 1 FILE NO. 810-200309 SERVICE MANUAL COMPACT COMPACT DIGITAL AUDIO DIGITAL VIDEO V I D E O DVD HOME THEATER SYSTEM SD-43HT DOCUMENT CREATED IN JAPAN, Apr., 2003...

  • Page 4: Table Of Contents

    CONTENTS 1. Alignment and Adjustments 2. Exploded Views and Parts List 3. Diassembly and Reassembly 4. Electrical Parts List 5. Block Diagrams 6. PCB Diagrams 7. Wiring Diagram 8. Schematic Diagrams 9. IC block Diagrams 10. Troubleshooting...

  • Page 5: Alignment And Adjustments

    Output Output(Fig1-4) SSG FREQ. 450 kHz AM IF Frequency 522 kHz AM ANT OUTPUT Adjustment AM IF point Speaker Terminal AM SSG 450KHZ Maximum output (Figure 1-3) OUTPUT INPUT VTVM Oscilloscope Figure1-3 AM I.F Adjustment Fig 1-4 OSC Voltage TOSHIBA...

  • Page 6: Exploded Views And Parts List

    2.Exploded Views and Parts List 2-1 Total Exploded View TOSHIBA...
  • Page 7 * Parts List of Total Exploded view Samsung Samsung TOSHIBA P/N Description & Specification Q’ty REMARK TOSHIBA P/N Description & Specification Q’ty REMARK Code No. Code No. AG000426 AH64-02409A WINDOW-CD DOOR, ACRYL 3.0T AG000490 AJ60-01001A SCREW-TAPTITE, BWH, 2*5, YEL AG000422...
  • Page 8 2-2 MECHA Exploded View and Parts list Samsung TOSHIBA P/N Description Specification Q’ty Code No. AG000487 AH97-01117A DVD MECHA CMS-D100 AG000392 AH61-00746A BASE-MAIN ABS BLK AG000409 AH63-00294A TRAY-DISC ABS D/GRAY AG000429 AH66-00159C LEVER-LIFT ABS BLK AG000430 AH66-00160A PULLEY-MOTOR POM WHT...
  • Page 9 2-3 SPEAKER Exploded View and Parts list * CENTER SPEAKER * FRONT/REAR SPEAKER TOSHIBA...
  • Page 10 * SUBWOOFER TOSHIBA...

  • Page 11: Diassembly And Reassembly

    1. Turn on the power and open the disc tray. 2. Slightly twist the assembly door in the direction of A and lift it in the direction of B to remove it. 3. Close the assembly door. TRAY ASS’Y DOOR TOSHIBA...
  • Page 12 1. Take out the 5 screws (B) and the 2 screws (C). 2. Disconnect the flexible cable and then remove the cabinet front. FLEXIBLE CABLE CABINET FRONT 3-1-4. CABINET REAR 1. Take out the 15 screws (G), unplug the connector, and then remove the cabinet rear. CABINET REAR CONNECTOR TOSHIBA...
  • Page 13 1. Take out the screw (B) and disconnect the flexible cable. 2. Unplug the 3 connectors (CONNECTOR(1)) and then remove the DSP PCB-1. 3. Unplug the 2 connectors (CONNECTOR(2)) and then remove the DSP PCB-2. CONNECTOR(2) FLEXIBLE CABLE DSP PCB-2 DSP PCB-1 CONNECTOR(1) TOSHIBA...
  • Page 14 3-2-3. AUX PCB 1. Unplug the connector and then remove the AUX PCB. AUX PCB CONNECTOR 3-2-4. POWER PCB 1. Take out the 4 screws (H). 2. Unplug the 2 connectors and then remove the POWER PCB. POWER PCB CONNECTOR TOSHIBA...
  • Page 15 AMP PCB CONNECTOR CONNECTOR 3-2-6. FRONT PCB-1, FRONT PCB-2 1. Remove the KNOB VOLUME and take out the 10 screws (D). 2. Unplug the connector and remove the FRONT PCB-1 and FRONT PCB-2. FRONT PCB-1 FRONT PCB-2 CONNECTOR KNOB-VOLUME TOSHIBA...

  • Page 16: Electrical Parts List

    *S.N.A. : Service Not Available 4. Electrical Parts List TOSHIBA SAMSUNG TOSHIBA SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. AG000356 AH26-00241B TRANS POWER;-,HT-DM150N,120V USA/CANADA AG000120 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 AG000120 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 AG000365 AH39-00258U POWER CORD;EP2,125V,7A,1830MM/3...
  • Page 17 TOSHIBA SAMSUNG TOSHIBA SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. AG000136 2007-000113 R-CHIP;33ohm,5%,1/10W,TP,1608 AG000200 2203-000280 C-CERAMIC,CHIP;0.01NF,0.5PF,50V,C0G,TP,1 SR15 AG000136 2007-000113 R-CHIP;33ohm,5%,1/10W,TP,1608 AG000200 2203-000280 C-CERAMIC,CHIP;0.01NF,0.5PF,50V,C0G,TP,1 AG000136 2007-000113 R-CHIP;33ohm,5%,1/10W,TP,1608 AG000200 2203-000280 C-CERAMIC,CHIP;0.01NF,0.5PF,50V,C0G,TP,1 AG000136 2007-000113 R-CHIP;33ohm,5%,1/10W,TP,1608...
  • Page 18 AG000274 2402-001059 C-AL,SMD;220UF,20%,6.3V,-,TP,6X6.6X6.6 AG000472 AH81-01147J A/S PART-CENTER SPEAKER;SD-43,-,-,CENTER AG000278 2703-000125 INDUCTOR-SMD;10uH,10%,1.25x2x1.25mm AG000473 AH81-01147K A/S PART-SPEAKER CORD;SD-43,-,-,SPEAKER DXT1 AG000279 2801-004180 CRYSTAL-SMD;33.8688MHZ,50PPM,28-AAN,12PF AG000280 2801-004284 CRYSTAL-SMD;27MHZ,10PPM,28-AAN,20PF,30OH AG000445 AH68-01289A MANUAL-BOOK;SD-43HT,ENG,80G AG000283 3301-001069 BEAD-SMD;AB,1.6x0.8x0.8mm,-,- AG000548 AH68-01289B MANUAL-BOOK;SD-43HT,ENG/FRN,80G CANADA AG000283 3301-001069 BEAD-SMD;AB,1.6x0.8x0.8mm,-,- AG000446 AH68-01289E MANUAL-BOOK;SD-43HT,SPN,80G TOSHIBA...
  • Page 19 TOSHIBA SAMSUNG TOSHIBA SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. AG000013 0401-001090 DIODE-SWITCHING;1SS355,80V,225mA,SOD-323 AG000452 AH69-00916A MASTER CARTON;SD-43HK,TBJ AG000013 0401-001090 DIODE-SWITCHING;1SS355,80V,225mA,SOD-323 AG000573 AH69-00916B MASTER CARTON;SD-43HK,TBC CANADA AG000013 0401-001090 DIODE-SWITCHING;1SS355,80V,225mA,SOD-323 AG000013 0401-001090 DIODE-SWITCHING;1SS355,80V,225mA,SOD-323 AG000475 AH92-01712A ASSY PCB-MAIN;SD-43,MAIN PCB...
  • Page 20 TOSHIBA TOSHIBA SAMSUNG SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. D39W AG000019 0402-001484 DIODE-RECTIFIER;S2B,100V,1.5A,DO-214AA,T Q40RL AG000049 0504-001003 TR-DIGITAL;KSR2003,PNP,300MW,22K/22K,TO- ZD21 AG000020 0403-000004 DIODE-ZENER;UZ12BM,12V,11.6-12.4V,500mW, Q40FR AG000049 0504-001003 TR-DIGITAL;KSR2003,PNP,300MW,22K/22K,TO- UZD1 AG000023 0403-000367 DIODE-ZENER;UZ7.5BSC,7.5V,7.33-7.64V,500 AG000049 0504-001003 TR-DIGITAL;KSR2003,PNP,300MW,22K/22K,TO-...
  • Page 21 TOSHIBA SAMSUNG TOSHIBA SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. R203R AG000149 2007-000300 R-CHIP;10Kohm,5%,1/8W,TP,2012 R87W AG000175 2007-000981 R-CHIP;5.6Kohm,5%,1/8W,TP,2012 R203L AG000149 2007-000300 R-CHIP;10Kohm,5%,1/8W,TP,2012 R87RR AG000175 2007-000981 R-CHIP;5.6Kohm,5%,1/8W,TP,2012 R200R AG000149 2007-000300 R-CHIP;10Kohm,5%,1/8W,TP,2012 R87RL AG000175 2007-000981 R-CHIP;5.6Kohm,5%,1/8W,TP,2012...
  • Page 22 TOSHIBA TOSHIBA SAMSUNG SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. C43W AG000256 2401-001502 C-AL;47uF,20%,16V,GP,TP,6.3x5,2.5 UJ205 AG000118 2007-000029 R-CHIP;0ohm,5%,1/8W,TP,2012 AG000257 2401-001511 C-AL;47uF,20%,16V,GP,6*7,5MM,TP UJ204 AG000118 2007-000029 R-CHIP;0ohm,5%,1/8W,TP,2012 AG000257 2401-001511 C-AL;47uF,20%,16V,GP,6*7,5MM,TP HR6R AG000144 2007-000221 R-CHIP;1.2Kohm,5%,1/8W,TP,2012...
  • Page 23 TOSHIBA SAMSUNG TOSHIBA SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. FR2R AG000167 2007-000686 R-CHIP;3.3Kohm,5%,1/8W,TP,2012 HC1L AG000236 2401-000213 C-AL;100nF,20%,50V,GP,TP,3x5,2.5 FR2L AG000167 2007-000686 R-CHIP;3.3Kohm,5%,1/8W,TP,2012 FC9R AG000241 2401-000407 C-AL;10UF,20%,16V,GP,TP,3.5X5,2.5 FR1R AG000167 2007-000686 R-CHIP;3.3Kohm,5%,1/8W,TP,2012 RC4L AG000241 2401-000407 C-AL;10UF,20%,16V,GP,TP,3.5X5,2.5...
  • Page 24 TOSHIBA TOSHIBA SAMSUNG SAMSUNG LOCATION Description;Specification REMARK LOCATION Description;Specification REMARK PART NO. CODE NO. PART NO. CODE NO. VC23 AG000261 2401-001938 C-AL;22uF,20%,25V,GP,TP,5x11mm,5mm UR35 AG000149 2007-000300 R-CHIP;10Kohm,5%,1/8W,TP,2012 VC21 AG000261 2401-001938 C-AL;22uF,20%,25V,GP,TP,5x11mm,5mm UR34 AG000149 2007-000300 R-CHIP;10Kohm,5%,1/8W,TP,2012 VC29 AG000262 2401-001952 C-AL;4.7uF,20%,50V,GP,TP,5x7mm,5mm UR74 AG000156 2007-000477 R-CHIP;1Mohm,5%,1/8W,TP,2012...

  • Page 25: Block Diagrams

    5. Block Diagram 5-1 MAIN Part TOSHIBA...
  • Page 26 5-2 DVD Part TOSHIBA...
  • Page 27 6. Printed Circuit Board Diagram 6-1 DSP1 6-2 DSP2 TOSHIBA...
  • Page 28 6-3 FRONT * TOP VIEW * BOTTOM VIEW TOSHIBA...
  • Page 29 6-4-1 MAIN (TOP VIEW) TOSHIBA...
  • Page 30 6-4-2 MAIN (BOTTOM VIEW) TOSHIBA...
  • Page 31 6-5 POWER 6-6 JACK (RCA) TOSHIBA...
  • Page 32 6-7 DVD PACK * TOP VIEW * BOTTOM VIEW TOSHIBA...

  • Page 33: Wiring Diagram

    7. Wiring Diagram TOSHIBA...

  • Page 34: Schematic Diagrams

    8. Schematic Diagram 8-1 MAIN TOSHIBA...
  • Page 35 8-2 FRONT & POWER TOSHIBA...
  • Page 36 8-3 DSP TOSHIBA...
  • Page 37 8-4 JACK (RCA) TOSHIBA...
  • Page 38 8-5 DVD PACK (LOADER PART) TOSHIBA...
  • Page 39 8-6 DVD PACK (MPEG DECODER PART) TOSHIBA...

  • Page 40: Ic Block Diagrams

    9. IC Block Diagrams 9-1 Main 9-1-1. BA4560 9-1-2. BA7612N TOSHIBA...
  • Page 41 9-1-3. BA7665FS 9-1-4. M66010AFP TOSHIBA...
  • Page 42 9-1-5. KA7805/ 7808/ 7812 9-1-6. KA7912 TOSHIBA...
  • Page 43 9-1-7. TDA7440D TOSHIBA...
  • Page 44 9-2 DVD MPEG 9-2-1. ESS6028FW TOSHIBA...
  • Page 45 TOSHIBA...
  • Page 46 TOSHIBA...
  • Page 47 TOSHIBA...
  • Page 48 TOSHIBA...
  • Page 49 9-10 TOSHIBA...
  • Page 50 9-2-2. 74HCT245 9-2-3. CS8415 TOSHIBA 9-11...
  • Page 51 9-2-4. ESMT_M12L64164A 9-12 TOSHIBA...
  • Page 52 9-2-5. M29W160E 9-2-6. S524C20D21_20D41 TOSHIBA 9-13...
  • Page 53 9-2-7. STM_74LCX157 9-2-8. STM_74LCX244 9-14 TOSHIBA...
  • Page 54 9-2-9. STM_74LCX374 TOSHIBA 9-15...
  • Page 55 9-3 DVD SERVO 9-3-1. M11B416256A 9-16 TOSHIBA...
  • Page 56 9-3-2. M5705 9-3-3. W29EE512F1 TOSHIBA 9-17...

  • Page 57: Troubleshooting

    10. TroubleShooting 10-1 Main 1.POWER TOSHIBA 10-1...
  • Page 58 2.OUTPUT 10-2 TOSHIBA...
  • Page 59 3. Protection(When High Voltage at Protection port) 3-1 In this case “LOW” for, Base port of Q 12(R2003 TR)at MAIN PCB TOSHIBA 10-3...
  • Page 60 3-2 In this case “LOW” for Base of Q 13(A733)at Main PCB 3-3 Check the Connector Wire Ass’y Connection of each PCB ;DVD MECHA-Main PCB (8P, PW4) ;POWER TRANS-Main PCB (CW3) ;POWER TRANS-Main PCB (PW2) ;POWER TRANS-Main PCB (PW1) 10-4 TOSHIBA...
  • Page 61 10-2 DVD Servo Parts V : 1V/div V : 1V/div V : 1V/div H : 5ns/div H : 5ns/div H : 5ns/div Fig. 1-2 Fig. 1-3 Fig. 1-4 TOSHIBA 10-5...
  • Page 62 10-6 TOSHIBA...
  • Page 63 TOSHIBA 10-7...
  • Page 64 10-8 TOSHIBA...
  • Page 65 0.6V FE signal SBAD signal 1.6V TOSHIBA 10-9...
  • Page 66 TE signal RFRP signal 10-10 TOSHIBA...
  • Page 67 V : 500mV/div V : 500mV/div V : 500mV/div H : 50ns/div H : 100ns/div H : 50ns/div TOSHIBA 10-11...
  • Page 68 10-3 DVD MPEG Parts 10-12 TOSHIBA...
  • Page 69 TOSHIBA 10-13...
  • Page 70 3.Audio operation Check Audio Digital signal Check Audio out signal at pin 33,36,37 of U13 at pin 23~28pin of AIC1 Audio out Check Main AMP parts Audio Digital Signal 10-14 TOSHIBA...
  • Page 71 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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