Toshiba SD-43HT Service Manual Download Page 34 | Manualshive

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TOSHIBA

8-1

8. Schematic Diagram

8-1 MAIN

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Summary of Contents for SD-43HT

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

Page 2: ......

Page 3: ......

Page 4: ...gnment 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: ... SENSITIVITY SEMI VR 10KΩ FM S S G GND 28 dB FM S S G Output GND Speaker Terminal FM Antenna Terminal Distortion Meter Input SET Input output Oscilloscope FM IN FM Antenna SET 20 kΩ OUTPUT AM SSG 450KHZ INPUT AM ANT IN Speaker Terminal 60cm AM IF VTVM Oscilloscope AM MW I F Adjustment Maximum output Figure 1 3 SSG FREQ Frequency Adjustment point 450 kHz 522 kHz AM IF Figure1 3 AM I F Adjustment OU...

Page 6: ...TOSHIBA 2 1 2 Exploded Views and Parts List 2 1 Total Exploded View ...

Page 7: ...ELD TOP PBS 0 3T 2 E19 AG000419 AH64 02001D CABINET TOP SECC 0 8T 1 E20 AG000396 AH61 01140A BRKT PCB SPTE 0 5T 1 E21 AG000405 AH62 30062A HEAT SINK TR AL EXTR 1 E22 AG000403 AH62 00083A HEAT SINK DVDP AL EXTR 1 E23 AG000401 AH62 00062A HEAT SINK TR AL EXTR 2 E24 AG000404 AH62 30061C HEAT SINK TR AL EXTR 1 E25 AG000535 AH62 00052D HEAT SINK DIO AL EXTR 1 E26 AG000402 AH62 00082A HEAT SINK F AL EXT...

Page 8: ... WHT 1 M10 AG000393 AH61 00747A BRACKET CHUCK SECC t1 0 1 M11 AG000436 AH66 00166A SLIDE CAM POM WHT 1 M12 AG000362 AH31 00030A MOTOR DC RF 300CA 11440 1 M13 AG000376 AH41 00352A PCB SWITCH 26 5 21 6 1 M14 AG000437 AH66 00167A BELT PULLEY CR 1 5 1 M15 AG000288 3409 001119 SWITCH DETECTOR JDS2200 1 M16 AG000385 AH59 00130A DVD DECK CMS S21MG6 1 M17 AG000337 6001 001257 SCREW MACHINE 1 7 3 W4 5 2 M1...

Page 9: ...TOSHIBA 2 4 2 3 SPEAKER Exploded View and Parts list CENTER SPEAKER FRONT REAR SPEAKER ...

Page 10: ...TOSHIBA 2 5 SUBWOOFER ...

Page 11: ...en 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 CABINET TOP TRAY ASS Y DOOR E E E 3 1 1 CABINET TOP 1 Remove the top cover by taking out the 9 screws E on the periphery that hold it on 3 1 CABINET REPLACEMENT A B ...

Page 12: ... out the 5 screws B and the 2 screws C 2 Disconnect the flexible cable and then remove the cabinet front 3 1 4 CABINET REAR 1 Take out the 15 screws G unplug the connector and then remove the cabinet rear FLEXIBLE CABLE CABINET FRONT CABINET REAR CONNECTOR B C C B G ...

Page 13: ...ctors CONNECTOR 1 and then remove the DSP PCB 1 3 Unplug the 2 connectors CONNECTOR 2 and then remove the DSP PCB 2 TUNER PCB FLEXIBLE CABLE VIDEO PCB CONNECTOR CONNECTOR 2 FLEXIBLE CABLE DSP PCB 1 CONNECTOR 1 DSP PCB 2 3 2 1 VIDEO PCB TUNER PCB 1 Disconnect the 2 flexible cables and then remove the TUNER PCB 2 Unplug the 2 connectors and then remove the VIDEO PCB B ...

Page 14: ...bly and Reassembly 3 2 3 AUX PCB 1 Unplug the connector and then remove the AUX PCB 3 2 4 POWER PCB 1 Take out the 4 screws H 2 Unplug the 2 connectors and then remove the POWER PCB AUX PCB CONNECTOR POWER PCB H CONNECTOR ...

Page 15: ...Unplug the 3 connectors and then remove the AMP PCB 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 CONNECTOR AMP PCB B CONNECTOR FRONT PCB 1 KNOB VOLUME D D FRONT PCB 2 CONNECTOR ...

Page 16: ...hm 5 1 10W TP 1608 L34 AG000120 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 L35 AG000120 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 RR32 AG000121 2007 000075 R CHIP 220ohm 5 1 10W TP 1608 R1 AG000121 2007 000075 R CHIP 220ohm 5 1 10W TP 1608 AR13 AG000121 2007 000075 R CHIP 220ohm 5 1 10W TP 1608 SR34 AG000122 2007 000076 R CHIP 330ohm 5 1 10W TP 1608 SR35 AG000122 2007 000076 R CHIP 330ohm 5 1 10W T...

Page 17: ...0V C0G TP 1 TC2 AG000200 2203 000280 C CERAMIC CHIP 0 01NF 0 5PF 50V C0G TP 1 C86 AG000204 2203 000384 C CERAMIC CHIP 0 015NF 5 50V C0G TP 160 SC20 AG000205 2203 000440 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 SC19 AG000205 2203 000440 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 SC11 AG000205 2203 000440 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 RC26 AG000205 2203 000440 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 R...

Page 18: ...SMD 100uF 20 16V GP TP 6 6x6 6x5 PC3 AG000274 2402 001059 C AL SMD 220UF 20 6 3V TP 6X6 6X6 6 SC3 AG000274 2402 001059 C AL SMD 220UF 20 6 3V TP 6X6 6X6 6 VL1 AG000278 2703 000125 INDUCTOR SMD 10uH 10 1 25x2x1 25mm DXT1 AG000279 2801 004180 CRYSTAL SMD 33 8688MHZ 50PPM 28 AAN 12PF Y3 AG000280 2801 004284 CRYSTAL SMD 27MHZ 10PPM 28 AAN 20PF 30OH L28 AG000283 3301 001069 BEAD SMD AB 1 6x0 8x0 8mm AL...

Page 19: ...01090 DIODE SWITCHING 1SS355 80V 225mA SOD 323 D38FR AG000013 0401 001090 DIODE SWITCHING 1SS355 80V 225mA SOD 323 D38RL AG000013 0401 001090 DIODE SWITCHING 1SS355 80V 225mA SOD 323 D38RR AG000013 0401 001090 DIODE SWITCHING 1SS355 80V 225mA SOD 323 D38W AG000013 0401 001090 DIODE SWITCHING 1SS355 80V 225mA SOD 323 D50C AG000013 0401 001090 DIODE SWITCHING 1SS355 80V 225mA SOD 323 D50FL AG000013 ...

Page 20: ...03 PNP 200MW 22K 22K SOT Q38 AG000048 0504 000156 TR DIGITAL KSR2103 PNP 200MW 22K 22K SOT Q37 AG000048 0504 000156 TR DIGITAL KSR2103 PNP 200MW 22K 22K SOT Q40W AG000049 0504 001003 TR DIGITAL KSR2003 PNP 300MW 22K 22K TO Q40RR AG000049 0504 001003 TR DIGITAL KSR2003 PNP 300MW 22K 22K TO Q40RL AG000049 0504 001003 TR DIGITAL KSR2003 PNP 300MW 22K 22K TO Q40FR AG000049 0504 001003 TR DIGITAL KSR20...

Page 21: ...AG000177 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R38FL AG000177 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R38C AG000177 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R18 AG000177 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R17 AG000177 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R38W AG000177 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R80C AG000177 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R80FL AG000177 2007 0...

Page 22: ... 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 UJ202 AG000118 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 UJ203 AG000118 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 UJ207 AG000118 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 UJ206 AG000118 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 UJ205 AG000118 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 UJ204 AG000118 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 HR6R AG000144 2007 000221 R CHIP 1 2...

Page 23: ...CERAMIC CHIP 2 2uF 80 20 50V Y5V TP HC1R AG000236 2401 000213 C AL 100nF 20 50V GP TP 3x5 2 5 HC1L AG000236 2401 000213 C AL 100nF 20 50V GP TP 3x5 2 5 FC9R AG000241 2401 000407 C AL 10UF 20 16V GP TP 3 5X5 2 5 RC4L AG000241 2401 000407 C AL 10UF 20 16V GP TP 3 5X5 2 5 RC4R AG000241 2401 000407 C AL 10UF 20 16V GP TP 3 5X5 2 5 SC4 AG000241 2401 000407 C AL 10UF 20 16V GP TP 3 5X5 2 5 FC9L AG000241...

Page 24: ...TR DIGITAL KSR1003 NPN 300MW 22K 22K TO UQ1 AG000049 0504 001003 TR DIGITAL KSR2003 PNP 300MW 22K 22K TO UR26 AG000092 2001 000258 R CARBON 1 8Kohm 5 1 8W AA TP 1 8x3 2m UR32 AG000093 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 2mm UR27 AG000095 2001 000331 R CARBON 12Kohm 5 1 8W AA TP 1 8x3 2mm UR29 AG000098 2001 000449 R CARBON 2 2Kohm 5 1 8W AA TP 1 8x3 2m UR28 AG000101 2001 000591 R CARBON ...

Page 25: ...TOSHIBA 5 1 5 Block Diagram 5 1 MAIN Part ...

Page 26: ...5 2 TOSHIBA 5 2 DVD Part ...

Page 27: ...TOSHIBA 6 1 6 Printed Circuit Board Diagram 6 1 DSP1 6 2 DSP2 ...

Page 28: ...6 2 TOSHIBA 6 3 FRONT TOP VIEW BOTTOM VIEW ...

Page 29: ...TOSHIBA 6 3 6 4 1 MAIN TOP VIEW ...

Page 30: ...6 4 TOSHIBA 6 4 2 MAIN BOTTOM VIEW ...

Page 31: ...TOSHIBA 6 5 6 5 POWER 6 6 JACK RCA ...

Page 32: ...6 6 TOSHIBA 6 7 DVD PACK TOP VIEW BOTTOM VIEW ...

Page 33: ...TOSHIBA 7 1 7 Wiring Diagram ...

Page 34: ...TOSHIBA 8 1 8 Schematic Diagram 8 1 MAIN ...

Page 35: ...8 2 TOSHIBA 8 2 FRONT POWER ...

Page 36: ...TOSHIBA 8 3 8 3 DSP ...

Page 37: ...8 4 TOSHIBA 8 4 JACK RCA ...

Page 38: ...TOSHIBA 8 5 8 5 DVD PACK LOADER PART ...

Page 39: ...8 6 TOSHIBA 8 6 DVD PACK MPEG DECODER PART ...

Page 40: ...TOSHIBA 9 1 9 IC Block Diagrams 9 1 Main 9 1 1 BA4560 9 1 2 BA7612N ...

Page 41: ...9 2 TOSHIBA 9 1 3 BA7665FS 9 1 4 M66010AFP ...

Page 42: ...TOSHIBA 9 3 9 1 5 KA7805 7808 7812 9 1 6 KA7912 ...

Page 43: ...9 4 TOSHIBA 9 1 7 TDA7440D ...

Page 44: ...TOSHIBA 9 5 9 2 DVD MPEG 9 2 1 ESS6028FW ...

Page 45: ...9 6 TOSHIBA ...

Page 46: ...TOSHIBA 9 7 ...

Page 47: ...9 8 TOSHIBA ...

Page 48: ...TOSHIBA 9 9 ...

Page 49: ...9 10 TOSHIBA ...

Page 50: ...TOSHIBA 9 11 9 2 3 CS8415 9 2 2 74HCT245 ...

Page 51: ...9 12 TOSHIBA 9 2 4 ESMT_M12L64164A ...

Page 52: ...TOSHIBA 9 13 9 2 5 M29W160E 9 2 6 S524C20D21_20D41 ...

Page 53: ...9 14 TOSHIBA 9 2 8 STM_74LCX244 9 2 7 STM_74LCX157 ...

Page 54: ...TOSHIBA 9 15 9 2 9 STM_74LCX374 ...

Page 55: ...9 16 TOSHIBA 9 3 DVD SERVO 9 3 1 M11B416256A ...

Page 56: ...TOSHIBA 9 17 9 3 2 M5705 9 3 3 W29EE512F1 ...

Page 57: ...TOSHIBA 10 1 10 TroubleShooting 10 1 Main 1 POWER ...

Page 58: ...10 2 TOSHIBA 2 OUTPUT ...

Page 59: ...TOSHIBA 10 3 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 ...

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 ...

Page 61: ...TOSHIBA 10 5 10 2 DVD Servo Parts Fig 1 2 Fig 1 3 Fig 1 4 V 1V div H 5ns div V 1V div H 5ns div V 1V div H 5ns div ...

Page 62: ...10 6 TOSHIBA ...

Page 63: ...TOSHIBA 10 7 ...

Page 64: ...10 8 TOSHIBA ...

Page 65: ...TOSHIBA 10 9 FE signal 0 6V SBAD signal 1 6V ...

Page 66: ...10 10 TOSHIBA TE signal RFRP signal ...

Page 67: ...TOSHIBA 10 11 V 500mV div H 100ns div V 500mV div H 50ns div V 500mV div H 50ns div ...

Page 68: ...10 12 TOSHIBA 10 3 DVD MPEG Parts ...

Page 69: ...TOSHIBA 10 13 ...

Page 70: ...10 14 TOSHIBA 3 Audio operation Check Audio Digital signal at pin 33 36 37 of U13 Check Audio out signal at pin 23 28pin of AIC1 3 Audio out Check Main AMP parts N N Y OK Y Audio Digital Signal ...

Page 71: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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