Toshiba SD-170EKB2 Page 3 Service Manual Download

Page: 3 / 37

. Trouble Shooting Chart……………………………….……….……..

…….….…1-1

. Block Diagram………………………………………………………….…..…..….2-1

. Wiring Diagram……………………………………...…………….............…..….3-1

. Electrical Circuit Diagrams

Front Board………………………………………...…………...………....…….4-1

Power Board………………………………………………..…………..…........

4-2

Main Board………………..………………………………...…….…..……...….4-3

. PCB Print-layouts

Front Board…………………………………….………………………....…......5-1

Power Board………………………………………………………….…...….....5-2

Main Board………………..…………………...………….……..….……......…5-3

. Set Mechanical Exploded view&

Electrical

Parts List………

………..……....6-1

. Part List

Electrical

Part list for Front Board……………………………………

…....…7-1

Electrical

Part list for Power Board………………………

…….….….....…..7-2

Electrical

Part list for Main Board…………………………….…..…..…….…7-3

. Technical Specifications…………………………………….….…….….….…..

8-1

. Revision List……………………………………………………….………....…....9-1

TABLE OF CONTENTS

Page

Summary of Contents for SD-170EKB2

Page 1: ...numbers This Service Manual describes replacement parts for the green products When repairing these green product s use the part s described in this manual and lead free solder 2 Oct 2007 GREEN TOSHIBA CORPORATION 2007 C File No 810 200795GR SERVICE MANUAL SD 170EKB2 SD 170EKE2 For 1 and 2 see the next page ...

Page 2: ...curement of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts 2 LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repair of this product WARNING This pro...

Page 3: ...Board 4 3 PCB Print layouts Front Board 5 1 Power Board 5 2 Main Board 5 3 Set Mechanical Exploded view Electrical Parts List 6 1 Part List Electrical Part list for Front Board 7 1 Electrical Part list for Power Board 7 2 Electrical Part list for Main Board 7 3 Technical Specifications 8 1 Revision List 9 1 TABLE OF CONTENTS Page ...

Page 4: ...als 2 If there are F F T and T signals output from U7 Check Replace the loader Yes Yes No Go Check whether laser voltage 2 3V for DVD 1 9V for CD on Collector of Q2 and Q3 Check the FFC connection between 24P and the loader 1 Whether voltage on pin 129 of U1 varies between 0 and 3 3V 3 3V for CD and 0V for DVD 2 Whether peripheral components are eroded or badly soldered Trouble shooting chart Moto...

Page 5: ...r supply on the power board is normal Check Correct connection Whether the connection to S1 is broken Correct the connection Replace U1 No No Yes Yes Check if the CN3 on the front board to CN5 on the decoder board is in good contact Whether there is 0V and 3 3V voltage difference on Pin 94 PCON of U1 Trouble shooting chart ...

Page 6: ...heck whether U1 are eroded All output voltages on the power board is 0V or deviated Check if 5V 12V and 12V are short Check whether the components in the short circuit voltage are defected or eroded Yes Yes Yes Yes U1 PIN 3 RC waveform Check whether F1 is blown Trouble shooting chart Check whether there is 300V on C1 Check whether 100KHz oscillating signal on Pin6 of U1 ...

Page 7: ...on between 24P and the loader Check U1 and peripheral components Re solder or replace the defective parts Check the connection between U1 and loader Correct connection Replace U1 or loader Yes Check whether there is laser voltage 2 3V for DVD and 1 9V for CD on Collector of Q2 Q3 Check if there is RFO signal on pin10 of CN2 The normal RFO signal is a clear reticulated wave Check U1 U7 and peripher...

Page 8: ...omponents Check whether there is voltage variance on pin 182 of U1 check if bad solder exist on U1 and peripheral components Replace the bad spare parts Check Q2 whether in good condition Yes Yes Yes Go Correct connection Change U1 or the loader No No Yes Check laser voltage 2 3V output on Collector of Q2 if pin181 of U1is at low level No Trouble shooting chart No Check whether pins of U1 and peri...

Page 9: ...he U1 s pin 131 132 133 arrive the CN5 connect condition Correct connection Replace U1 or LED Yes Yes Yes No Check VCC 5v voltage on the power and front board Check there are CS DATA and CLK signals on CN3 on the front board 1 Check whether bad solder exists On U1 and pins of LED 2 Check whether the circuit connected to S1 S2 S3 and S4 is broken 3 Check whether R6 R7 and R8 are open circuit CN5 PI...

Page 10: ... U1 if the clock signal AOUT0 ABCK and ALRCK output by U1 are normal Check whether the U1 or U15 powersupply No Yes Check the power supply voltages 12V to the operation amplifying Q27 and 12V are normal Yes Check U15 Replace U1 or U15 No Yes SACLK waveform SBCLK waveform SSLRCK waveform Trouble shooting chart Check whether the muting transistor Q17 Q18 are normal Check whether the muting transisto...

Page 11: ...board are normal Check Y1 R13 C38 and C39 Check other of power supply electric circuit Correct the connection Check whether the video filter network circuit is normal Yes Yes No No No Check whether the 27MHz output signal is normal change U1 Yes No Trouble shooting chart Check if the video signals on Pin 147 149 151 152 154 of U1 are normal ...

Page 12: ... waveform from the first pin IR of the remote censor after pressing button on the remote control REM1 PIN1 RC waveform Check if there is IR signal on pin 134 of U1 Check if the power supply voltage to the remote censor is normal Go No No No Yes Yes Yes Correct connection Yes Change U1 IR waveform Trouble shooting chart Check if the remote control works properly ...

Page 13: ... peripheral components are defected or eroded No No No Yes Yes Yes 27Mhz waveform Check whether all the voltages from the power board to the decoder board are normal CVBS R21 point waveform Check whether short circuit or bad solder on U2 U4 SDRAM R2 PCLK waveform Check U1 No No Reconnect the component in Yes Yes Check if short circuit and bad solder exist on Pin 151 Yes No Trouble shooting chart G...

Page 14: ... AMP LPF 16M SDRAM TCL TDM 1 KHM313 EEPROM LED DRIVE ET6202 12V ZR36966D LED Display GND Y 7 COAX VIDEO SWITCH TS5V33 5 MOTOR DRIVER AM5888S 5V 5V 1 Key matrix 1 12V 7 VIDEO LPF DRIVE 1 AC IN 1 CN1 CN5 CN3 CN4 CN2 CN8 CN6 CN7 CON301 CON2 CON1 U1 U4 U5 U7 U16 U2 U301 REM301 LED1 power key SD 170EKB2 SD 170EKE2 BLOCK DIAGRAM 2 1 2 1 ...

Page 15: ...M SDRAM RF_D OUTSW TCL TDM 1 KHM313 RF_E CLK CD DVD DV33 IR EEPROM VCC RFA5V VR_DVD LED DRIVE ET6202 12V ZR36966D LED Display GND Y GND 7 COAX SL RF_A RF_B MD C GND VIDEO SWITCH TS5V33 5 MOTOR DRIVER AM5888S 5V CS LOAD RF_C NC C GND 5V 1 Key matrix 1 TACT NC C GND 12V SL 7 VIDEO LPF DRIVE 1 AC IN LED 5V 1 SP FACT CN1 CN5 CN3 CN4 CN2 CN8 CN6 CN7 CON301 CON2 CON1 U1 U4 U5 U7 U16 U2 U301 REM301 LED1 ...

Page 16: ...10 0 1u C15 100p R3 10 C7 100P R2 4K7 open C8 100P C13 0 1u U1 ET6202 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 OSC DI O CLK STB KEY1 KEY2 VDD SEG1 KS1 SEG2 KS2 SEG3 KS3 SEG4 KS4 SEG5 KS5 SEG6 KS6 SEG7 KS7 GND GRID1 GRID2 GND GRID3 GRID4 GND VDD SEG14 GRID5 SEG13 GRID6 SEG12 GRID7 SEG10 KS10 SEG9 KS9 SEG8 KS8 D1 1N4148 C9 47uF R4 2 2 0805 R11 100K S1 POWER R9 10K C...

Page 17: ...V 12V GND R5 12k 1 D10 SR240 D2 1N4007 TR1 NTC 10 R2 300K 1 4W C4 47uF 25V D1 1N4007 D6 1N4148 U3 TL431 2 1 3 D9 1N4007 D4 1N4007 C8 470uF 16V CON1 AC INPUT 1 2 R8 2 2k C6 47uF 25V C12 102 50V NU R1 56k 1 4W U2 PC123X92 1 2 4 3 R11 22 C3 10uF 50V NU R10 220 RV1 10K471 R12 22 NU D8 1N4007 R7 11 3k 1 C9 10uF 50V R3 300K 1 4W D5 FR102 NU L2 6 8uH C2 22uF 250V C11 0 1uF C1 22uF 250V F1 T2AL 250ac FB1 ...

Page 18: ... C37 10pF NM C31 1nF CN10 HYPER_TERMINAL I F NM 1 2 3 4 C19 10nF FB4 500Z C26 10nF C44 NM 0 1uF R223 NM 0R C194 33pF R33 330R C201 0 1uF C38 22pF C25 10nF C202 1nF C24 10nF FB3 500Z C4 10nF R56 0R 4 7R R41 1K NM C8 10nF R231 10K NM CN109 DOWN_LOAD_I F NM 1 2 3 4 C2 10nF C193 33pF EC9 10uF 16V R19 75R 1 R228 10K NM Y1 27 000MHz Third overtone R230 10K NM R37 2K JP3 BOOTSEL1 NM R39 0R C15 10nF R24 0...

Page 19: ...MESW RF_E IN_OUT_SW SPDL_SENS DRVSB FOCUS_S TR_B1 SPDL_S RF_A TR_B2 MD_CD VC FOCUS_S RF_B OPEN REGO2 RF_F CLOSE CD_DVD REGO1 RF_D DSPVCC33 GND M5V GND M5V M5V DSPVCC33 DSPVCC18 DSPVCC33 RFA5V DSPVCC33 DSPVCC33 DSPVCC33 RFA5V CN2 SF HD6B 0 5mm 24P TOP 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 25 26 27 28 F F T T C D CD DVD RF A B F GND PD VC VCC E NC VR CD VR DVD LD CD MD HFM N...

Page 20: ... 12V A5V 12V 12V DSPVCC33 DSPVCC33 DSPVCC33 12VA 12VA 12V 12V C97 680pF 33pF EC32 NM 10uF 16V R134 4 7K 1 4 7K 1 Q22 NM BT3094 C175 100pF R153 5 1K 1 NM R124 220R R171 NM R154 NM 120K 1 C91 NM 200pF EC30 NM 10uF 16V R119 1K U15B NJM4558 OPA 5 6 7 8 4 Q20 NM BT3904 Q13 9012H R143 4 7K 1 4 7K 1 R149 NM 120K 1 C71 0 1uF NM R123 100K D15 NM 1N4148 D2 LL4148 R115 NM 10K R101 NM 4 7R R170 470 1K C88 NM ...

Page 21: ... SCART_SWITCH CVBS_C IRRCV CVBS_C_Y FPC_STB FS1 C_B_U FS3 STBY_KEY Y_R_V S PDIF_OUT FPC_DOUT FPC_CLK RMAIN OUT CVBS_G_Y FS2 LED PCON LMAIN OUT RGB YUV_SW DSPVCC18 12V DSPVCC33 DSPVCC33 D5V DSPVCC33 RFA5V 12V DSPVCC33 M5V D5V 12V D5V D5V SERVO33 D5V ESD2V A5V DSPVCC33 U16 PI5V330W NM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 IN S1A S2A DA S1B S2B DB GND DC S2C S1C DD S2D S1D EN VCC 1 7 CN1 CON8 2 5mm ...

Page 22: ...5 1 5 1 Front Board Print Layout Bottom Side for SD 170EKB2 SD 170EKE2 ...

Page 23: ...5 2 5 2 Power Board Print Layout Bottom Side for SD 170EKB2 SD 170EKE2 ...

Page 24: ...5 3 5 3 Main Board Print Layout Top Side for SD 170EKB2 SD 170EKE2 ...

Page 25: ...5 4 5 4 Main Board Print Layout Bottom Side for SD 170EKB2 SD 170EKE2 ...

Page 26: ... 6 1 Note Rear Cabinet 11 is not service available due to attached rating label Ass y1 is assembled component for Location No 2 3 4 21 It s a general Mechanical Exploded View for SD 170EKB2 SD 170EKE2 Detailed information please refer to model set ...

Page 27: ...M C SCREW B 3 X 6 17 AH802149 67 T580T1 0E0B2 TOP COVER 18 AH802056 64 B30070 304 MACHINE SCREW B3 7 19 AH802256 08 LOADER 092A1 ASS Y LOADER 20 AH802131 08 SDK580 SWY ASS Y SWITCH PCB AH802257 72 170EKE 120B2 USER MANUAL GERMAN VERSION FOR SD 170EKE2 AH802199 72 170EKB 050B3 USER MANUAL ENGLISH VERSION FOR SD 170EKE2 AH802199 72 170EKB 050B3 USER MANUAL ENGLISH VERSION FOR SD 170EKB2 AH802101 06 ...

Page 28: ...G018T 02KGA 2PIN HS 18CM U1 13 ET6202 00BXA IC ET6202 SOP 2 DIODE D1 10 1N4148 ABF DIODE 1N4148 SWITCHING D2 10 1N4148 ABF DIODE 1N4148 SWITCHING Electrical Parts List Switch Board WIRE BARE JUMPER S1 48 TAC020 XX0 SWITCH TACT TSAB 1 J4 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM J6 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM J7 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM J8 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM J9 41 ...

Page 29: ...Y1 26 APK102 MEF CAP CER 1000PF 400VAC 20 E U2 13 PC123X 9YP PHOTOCOUPLER PC123X9YFZ U3 13 H431BA 00TFA adiustable shuat rcgulator DIODE D1 10 1N4007 EBX DIODE IN4007 D2 10 1N4007 EBX DIODE IN4007 D3 10 1N4007 EBX DIODE IN4007 D4 10 1N4007 EBX DIODE IN4007 D6 10 0FR102 FBX DIODE FR102 1A 100V D7 10 0FR102 FBX DIODE FR102 1A 100V D8 10 1N4007 EBX DIODE IN4007 D9 10 1N4007 EBX DIODE IN4007 Note Only...

Page 30: ...C97 28 AB0330 JCX SMD CAP 33PF 50V 5 C25 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 C98 28 AB0330 JCX SMD CAP 33PF 50V 5 C26 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 C99 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20 0603 C27 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 C100 28 HD0104 ZFX SMD CAP 100 NF 25V 80 20 0402 C28 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 C117 28 HD0104 ZFX SMD CAP 100 NF 25V 80 20 0...

Page 31: ...148 C201 28 HD0104 ZFX SMD CAP 100 NF 25V 80 20 0402 D19 09 BAT54C STXGA BAT54C C202 28 AB0102 KBX SMD CAP 1000 pF 50V 10 B D24 09 LL4148 ATF SMD SWITCHING DIODE LL4148 C205 28 HB0102 KBX SMD CAP 1000PF 50V 10 0402 D25 09 LL4148 ATF SMD SWICHING DIODE LL4148 C207 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 D26 09 LL4148 ATF SMD SWITCHING DIODE LL4148 EC1 25 BCB470 M1X CAP ELEC 47 UF 16V 20 D27 09 LL...

Page 32: ...SISTOR MMBT3904LT1 NPN R35 19 GA0103 JTF SMD RES 10K OHM 1 16W 5 R36 19 GA0101 JTF SMD RES 100 OHM 1 16W 5 RESISTOR R37 19 AA0202 JTF RES SMD 2K 1 16W 5 0603 D5 19 BB0000 JTF SMD RES 0 OHM 1 10W 5 R38 19 AA0202 JTF RES SMD 2K 1 16W 5 0603 D6 19 BB0000 JTF SMD RES 0 OHM 1 10W 5 R39 19 GA0000 JTF SMD RES 0 OHM 1 16W 5 0402 D30 18 FG0229 JHX RES M O 2 2 OHM 2W 5 R41 19 GA0102 JTF SMD RES 1K OHM 1 16W...

Page 33: ...330 JTF RES SMD 33 OHM 1 16W 5 R128 19 GA0103 JTF SMD RES 10K OHM 1 16W 5 R184 19 GA0000 JTF SMD RES 0 OHM 1 16W 5 0402 R129 19 GA0330 JTF SMD RES 33 OHM 1 16W 5 R189 19 GA0302 JTF SMD RES 3K OHM 1 16W 5 0402 R133 19 GA0472 FTF SMD RES 4 7K OHM 1 16W 1 R190 19 GA0202 JTF SMD RES 2K OHM 1 16W 5 0402 R134 19 GA0472 FTF SMD RES 4 7K OHM 1 16W 1 R195 19 GA0560 JTF SMD RES 56 OHM 1 16W 5 0402 R135 19 G...

Page 34: ... 0402 R238 19 GA0479 JTF SMD RES 4 7 OHM 1 16W 5 0402 R239 19 GA0000 JTF SMD RES 0 OHM 1 16W 5 0402 R244 19 AA0000 JTF RES SMD 0 OHM 1 16W 5 R245 19 AA0000 JTF RES SMD 0 OHM 1 16W 5 R246 19 AA0000 JTF RES SMD 0 OHM 1 16W 5 IC VARIOUS U1 13 ZR3696 60BXA ZR36966 U2 13 EM6361 65B IC EM636165TS 7 U4 13 AL016D 00BFA 16m Flash 70ns 3 3V TSOP 48 U5 13 00M24C 08B EEPROM 8K M24C08WMN6TP U7 13 AM5888 S0B IC...

Page 35: ...VRFNHW 9LGHR RXWSXW SKRQH W SH 9 S S ȍ QHJDWLYH V QF SLQ MDFN RPSRQHQW YLGHR RXWSXW S S ȍ QHJDWLYH V QF SLQ MDFN 3 B 3 R P9 S S ȍ SLQ MDFN XGLR RXWSXW 6 57 UPV ȍ 6 57 VRFNHW XGLR RXWSXW 2 7 9 S S ȍ SLQ MDFN XGLR RXWSXW 1 2 9 UPV ȍ SLQ MDFNV 5 Supplied Accessories XGLR 9LGHR FDEOH 5HPRWH FRQWURO 6 5 OPEN CLOSE DISPLAY 1 2 3 6 5 4 7 8 9 10 0 T SEARCH SETUP MENU RETURN TITLE OK F R F F PREV NEXT STEP...

Page 36: ...REVISION LIST Version 1 0 Initial release 9 1 Remark This Service manual only for TOSHIBA Service repairment Please Don t transmitte or forward it to others ...

Page 37: ...1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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