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Toshiba SD-170EKB2 Service Manual
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Toshiba SD-170EKB2 Service Manual

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SERVICE MANUAL
DVD VIDEO PLAYER
The above models are classified as green products (*1), as indicated by the underlined serial
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).
For (*1) and (*2), see the next page.
C
TOSHIBA CORPORATION 2007
File No. 810-200795GR
SD-170EKB2
SD-170EKE2
Oct.
2007 GREEN

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Summary of Contents for Toshiba SD-170EKB2

  • Page 1 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). For (*1) and (*2), see the next page. Oct. 2007 GREEN TOSHIBA CORPORATION 2007...
  • Page 2 Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Page . 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 .

  • Page 4: Trouble Shooting Chart

    Trouble shooting chart Spindle motor does not move Motor no move Check the FFC connection Correct connection between 24P and the loader. Check whether “RFA5V” Check the RFA5V power (+5V) voltage is normal. supply Check whether laser voltage (2.3V for DVD & 1.9V for CD) Check/Replace Q2 Q3.
  • Page 5 T rouble shooting chart The power can not be on or off The power can’t be on or off Check the power supply Repair the power board on the power board is normal. Check if the CN3 on the front board to CN5 Check/Correct connection on the decoder board is in good contact.
  • Page 6 Trouble shooting chart All output voltages on the power board is 0V or deviated. All output voltages on the power board is 0V or deviated Check whether F1 is blown Replace F1 Replace C1&C2 if D1, D2, D3, D4 are Check whether normal.
  • Page 7 Trouble shooting chart Disc cannot be read . Disc cannot be read. Check the FFC connection Check the loaded circuit between 24P and the loader. 1.Check voltage on pin 100 of U1 varies between 0 and 3.3V: Check whether there is laser 3.3V for CD voltage (2.3V for DVD and 1.9V 0V for DVD...
  • Page 8 Trouble shooting chart Only DVD disc or only disc except DVD can be played Only DVD disc, or only disc except DVD can be Played. Check the FFC connection Check the loaded circuit between 24pin and the loader. Check laser voltage (2.3V) Check the solder status on U1 and...
  • Page 9 Trouble shooting chart No display on LED, and buttons do not work No display on LED, and buttons do not work Check whether there correct contact between CN3 Correct connection and CN5 Fix power supply board top Check VCC(+5v) voltage on a power supply for should the power and front board Check...
  • Page 10 Trouble shooting chart Distorted audio and loud noise Distorted audio and loud noise Check the power supply voltages Check Q27 +12V to the operation amplifying Q27 and -12V are normal. Check whether muting transistor R176 andR175 are Replace R176 and R175 normal Check whether...
  • Page 11 Trouble shooting chart Abnormal color of video picture Abnormal color of video picture Check whether the 27MHz Check Y1, R13, C38 and C39 output signal is normal. Check whether the 3.3V and Check other of power supply 1.8V power supply voltages on electric circuit the decoder board are normal.
  • Page 12 Trouble shooting ch art Remote reception is insensitive or fails. Remote reception is insensitive or fails. Check if the remote Check battery control works properly. Check if the power supply Check R1 C1 voltage to the remote censor is normal Use an oscilloscope to check if there is output waveform from REM1(PIN1 - RC waveform)
  • Page 13 1-10 Trouble shooting chart No video picture, no sound. No video picture, no sound. Check whether all the voltages Check the loaded circuit from the power board to the decoder board are normal. CVBS(R21 point) waveform Check if the reset circuit consisting ofEC9, D1 and Q1 is normal (at a Change EC9, D1and Q1.

  • Page 14: Block Diagram

    SD-170EKB2 & SD-170EKE2 BLOCK DIAGRAM AC IN SCART COAX L&R CON1 CVBS VIDEO SWITCH AUDIO TS5V33 VIDEO AMP&LPF LPF&DRIVE POWER SUPPLY +12V -12V CON2 ZR36966D FLASH EEPROM CON301 LED1 LED Display Key-matrix power LED DRIVE ET6202 IR Receiver U301 REM301...

  • Page 15: Wiring Diagram

    SD-170EKB2 & SD-170EKE2 WIRING DIAGRAM AC IN SCART COAX L&R CON1 CVBS VIDEO SWITCH AUDIO TS5V33 GND_LD VIDEO AMP&LPF DVD_LD LPF&DRIVE NC(C-GND) OPU_HFM(-RFA5V) MD(C-GND) CD-LD VR_DVD VR_CD POWER NC(C-GND) RF_E +12V SUPPLY VCC(-RFA5V) RF_F -12V RF_B CON2 RF_A CD/DVD RF_D...
  • Page 16 Front Board Electric Diagram for SD-170EKB2 & SD-170EKE2 POWER-K POWER DV33 REM1 2P/2.0 2P/2.0 POWER-K VSCK 0.1u VSTB 0.1u VSDA 47uF switch board DV33 4K7/open 9P/2.0 1000p 0.1u 2.2(0805) 4.7K 4.7K 4.7K LED1 GRID[1:7] ET6202 GRID7 GRID1 VSDA GRID1 GRID6...
  • Page 17 Power Board Electric Diagram for SD-170EKB2 & SD-170EKE2 1N4007 1N4007 T2AL/250ac 750uH 10K471 CON1 AC INPUT 22uF/250V 22uF/250V 1N4007 1N4007 NTC 10 2.2uH FR102(NU) 10uF/50V(NU) CON2 1N4148 -22V 56k 1/4W 222/400V 300K/1/4W 300K/1/4W 47uF/25V -22V -12V -12V +12V +12V CON1...
  • Page 18 Main Board Electric Diagram for SD-170EKB2 & SD-170EKE2: Vaddis_SDRAM_Fla Important power supply! Crystal Use it to connect the shell of the crystal with ground. VDDPWM SERVO33 RESET R235 4.7R Flash speed <= 70 nS. + EC4 10nF 100uF/16V If plan to use 90ns...
  • Page 19 Main Board Electric Diagram for SD-170EKB2 & SD-170EKE2: Front end DSPVCC33 + EC10 4.7R 47uF/16V 313A HD65 502W R49: 100R C195 R50: 100R Close to CN2 220R SP_M- SPDL_SENS- LD_DVD SPDL_SENS- C196 9012 100R DSPVCC33 VR_CD MD_DVD DSPVCC33 VR_DVD MD_CD...
  • Page 20 Main Board Electric Diagram for SD-170EKB2 & SD-170EKE2: Audio Input_Output Max. amplitude of Mic_Audio signal is 4Vrms -12VA R176 -12V MIC_IN R107 [1K] EC26 R105 [NM]9012H R109 47uF/25V DSPVCC33 [150R] R106 -12V [BT3904] [NM] R108 [4.7K] +12VA R175 +12V [Value] for internal DAC...
  • Page 21 Main Board Electric Diagram for SD-170EKB2 & SD-170EKE2: Power_Video Out_ +12V C177 10pF FS1: H=RGB L=CVBS DSPVCC33 DSPVCC33 CVBS_C_Y SCART_CVBS_OUT CVBS_C_Y C105 EC39 SCART CFG R198 R199 FS2 FS3 1.8K C178 C179 1.8K C106 EC40 STBY_KEY: [NM] [NM] 150pF 150pF L: STBY or wake up.

  • Page 22: Front Board

    Front Board Print-Layout (Bottom Side) for SD-170EKB2 & SD-170EKE2...

  • Page 23: Power Board

    Power Board Print-Layout (Bottom Side) for SD-170EKB2 & SD-170EKE2...

  • Page 24: Main Board

    Main Board Print-Layout (Top Side) for SD-170EKB2 & SD-170EKE2...
  • Page 25 Main Board Print-Layout (Bottom Side) for SD-170EKB2 & SD-170EKE2...
  • Page 26 *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 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-RC3008-A0000 REMOTE CONTROL AH802102 41-UH1200-0KK8D AV CABLE AH802103 49-382380-BAT BATTERY 7# (R03P AAA SUM-4)
  • Page 28 Electrical Parts List-Front Board CAPACITOR RESISTOR 28-AB0104-ZFX 19-AA0472-JTF SMD. CAP 0.1 UF 50V +80%-20% 0603 RES. SMD 4.7K OHM 1/16W +/-5% 25-HCB470-M1X 47UF 16V 19-AA0472-JTF RES. SMD 4.7K OHM 1/16W +/-5% 28-AB0104-ZFX 19-AA0472-JTF SMD. CAP 0.1 UF 50V +80%-20% 0603 RES.
  • Page 29 Electrical Parts List-Power Board CAPACITOR RESISTOR 25-GMA100-M1S CAP. ELEC 400V/10UF/+/-20% R9 18-CB0222-JNX RES. C.F. 2.2k OHM 1/6W +/-5% 25-GMA150-M1S CAP. ELEC 400V/15UF/+/-20% R10 18-CB0101-JNX RES. C.F. 100 OHM 1/6W +/-5% 25-BDB470-M1X CAP. ELEC 47 UF 25V +/-20% R11 18-CB0220-JNX RES. C.F. 22 OHM 1/6W +/-5% 26-AKA152-KRF CAP.
  • Page 30 Electrical Parts List-Main Board CAPACITORS CAPACITORS 28-AB0103-ZFX CAP.SMD 10NF 50V +80-20% 0603 28-HD0104-ZFX SMD. CAP 100 NF 25V +80% -20% 0402 28-AB0103-ZFX CAP.SMD 10NF 50V +80-20% 0603 28-HB0330-JCX SMD. CAP 33 PF 50V +/-5% 0402 28-HB0103-ZFX 28-AB0104-ZFX SMD. CAP 10NF 50V +80%-20% 0402 SMD.
  • Page 31 Electrical Parts List-Main Board CAPACITORS CAPACITORS 28-HB0101-JCX SMD. CAP 100 PF 50V +/-5% 0402 EC39 25-BCB221-M1X CAP. ELEC 220 UF 16V +/-20% C140 28-HB0101-JCX SMD. CAP 100 PF 50V +/-5% 0402 EC40 25-BCB470-M1X CAP. ELEC 47 UF 16V +/-20% C141 28-HB0101-JCX SMD.
  • Page 32 Electrical Parts List-Main Board INDUCTANCE RESISTOR 33-ELM100-KTX SMD. COIL 10UH +/-10% 0805 19-AA0101-JTF RES. SMD 100 OHM 1/16W +/-5% LL1 35-339740-008 FERR BEAD BF40TA-3.5X6X1 19-AA3920-FTF SMD RES 392 OHM 1/16W +/-1% 0603 19-AA0000-JTF RES. SMD 0 OHM 1/16W +/-5% TRANSISTOR 19-GA0750-JTF SMD.
  • Page 33 Electrical Parts List-Main Board RESISTOR RESISTOR 19-GA0202-JTF R157 19-GA0124-FTF SMD. RES 2K OHM 1/16W +/-5% 0402 SMD. RES 120k+/-1% 1/16W 0402 19-GA0202-JTF R158 19-GA0124-FTF SMD. RES 2K OHM 1/16W +/-5% 0402 SMD. RES 120k+/-1% 1/16W 0402 19-GA0109-JTF R159 19-GA0124-FTF SMD. RES 1 OHM 1/16W +/-5% 0402 SMD.
  • Page 34 Electrical Parts List-Main Board RESISTOR 19-GA0103-JTF SMD. RES 10K OHM 1/16W +/-5% R227 19-GA0103-JTF SMD. RES 10K OHM 1/16W +/-5% R228 19-GA0103-JTF SMD. RES 10K OHM 1/16W +/-5% R229 19-GA0103-JTF SMD. RES 10K OHM 1/16W +/-5% R230 19-GA0103-JTF SMD. RES 10K OHM 1/16W +/-5% R231 19-GA0221-JTF SMD.
  • Page 35 DVD Video player/Outputs/Supplied Accessaries DVD Video player Outputs 1.0 V Supplied Accessories OPEN/CLOSE DISPLAY ON/STANDBY T-SEARCH MENU SETUP RETURN TITLE PREV NEXT PLAY/PAUSE STEP STOP REPEAT SLOW CLEAR SUBTITLE ANGLE AUDIO ZOOM RANDOM PROG S E -R 0268...

  • Page 36: Revision List

    REVISION LIST Version 1.0 * Initial release 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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Sd-170eke2