Advertisement
Quick Links
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
INTERNAL PUBLICATION
SD-270EKB2
SD-270EKE3
File No. 810-200796GR
Oct.,
2007 GREEN
Advertisement
Related Manuals for Toshiba SD-270EKB2
Summary of Contents for Toshiba SD-270EKB2
- 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., TOSHIBA CORPORATION 2007 2007 GREEN...
- 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……………………………….……….……..….….…..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& 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 Check/Replace Q2 Q3. (2.3V for DVD &... - Page 5 Trouble 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 CON3 on the front board to CN5 on the Check/Correct connection 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 Replace F1 blown Replace C1&C2 if D1, D2, D3, D4 Check whether are 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 3.3V for CD laser voltage (2.3V for DVD 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 Check the loaded circuit connection between 24pin and the loader. Check laser voltage (2.3V) Check the solder status on U1 and output on Collector of Q2, if peripheral components...
- 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 is correct contact Correct connection between CON3 and Check VCC(+5v) voltage Fix power supply board top on the power and front a power supply for should board...
- Page 10 Trouble shooting chart Distorted audio and loud noise Distorted audio and loud noise Check the power supply voltages +12V Check Q27 operation amplifying Q27 and -12V are normal. Check whether muting transistor R176 Replace R176 and R175 andR175 are normal Check whether Replace Q17~Q18...
- 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 normal. Check whether the 3.3V Check other of power supply electric and 1.8V power supply circuit voltages on the decoder board are normal.
- Page 12 Trouble shooting chart Remote reception is insensitive or fails. Remote reception is insensitive or fails. Check if the remote Check battery control works properly. Check power supply voltage to the Check R1 C1 remote censor is normal Use an oscilloscope to check if there is output waveform from the first pin IR of the REM1(PIN1 - RC waveform)
- Page 13 1-10 Trouble shooting chart No video picture, no sound. No video picture, no sound. Check whether voltages from the power Check the loaded circuit board to the decoder board are normal. CVBS(R21 point) waveform Check reset circuit consisting ofEC9, D1 and Q1 is Change EC9, D1and Q1.
-
Page 14: Block Diagram
SD-270 BLOCK DIAGRAM AC IN SCART COAX L&R CON1 CVBS VIDEO SWITCH AUDIO TS5V33 VIDEO AMP&LPF LPF&DRIVE +12V -12V ZR36966D POWER SUPPLY FLASH EEPROM CON301 LED1 LED Display Key-matrix power LED DRIVE ET6202 IR Receiver U301 REM301... -
Page 15: Wiring Diagram
SD-270 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 RF_C ZR36966D TACT- TACT+ FACT+... - Page 16 Front Board Electric Diagram for SD-270 S1 POWER DV33 REM1 POWER-K NC/101 POWER-K VSCK 0.1u VSTB 47uF VSDA DV33 4K7/open 9P/2.0 1000p 0.1u 0.1u FB(0805) 4.7K 4.7K 4.7K LED1 GRID[1:7] ET6202 GRID7 GRID1 VSDA GRID1 GRID6 DI/O GRID1 GRID2 VSCK GRID2 GRID5 GRID2...
- Page 17 Power Board Electric Diagram for SD-270 T2AL/250ac NTC 10 1N4007 1N4007 680uH CON1 10K471 102/400Vac AC INPUT + C1 + C2 22uF/400V 22uF/400V 1N4007 1N4007 IN4148 10uF/50V T1 EEL22 IN4148 47uF/25V CON2 -24V -12V 152/1KV 1/4W120K 1/4W120K +12V R4(NU) CON1 47uF/25V CON2 IN4007...
- Page 18 Main Board Electric Diagram for SD-270: 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 OSCOUT 22pF DSPVCC33...
- Page 19 Main Board Electric Diagram for SD-270: 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 C196 SPDL_SENS- 9012 100R DSPVCC33 VR_CD MD_DVD DSPVCC33 VR_DVD MD_CD CN2 is used for Sanyo/Sony OPUs OPU: 313A HD65...
- Page 20 Main Board Electric Diagram for SD-270: Audio Input_Outp 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 MIC_ON EC30 R110...
- Page 21 Main Board Electric Diagram for SD-270: Power_Video Out_ +12V C177 10pF FS1: H=RGB L=CVBS DSPVCC33 DSPVCC33 CVBS_C_Y SCART_CVBS_OUT C105 EC39 CVBS_C_Y R198 R199 FS2 FS3 SCART CFG 1.8K C178 C179 1.8K C106 EC40 STBY_KEY: [NM] [NM] 150pF 150pF L: STBY or wake up. C107 EC41 AUDIO/TV/16:9...
-
Page 22: Front Board
Front Board Print-Layout (Bottom Side) for SD-270... -
Page 23: Power Board
Power Board Print-Layout (Bottom Side) for SD-270... - Page 24 Main Board Print-Layout (Top Side) for SD-270...
- Page 25 Main Board Print-Layout (Bottom Side) for SD-270...
- Page 26 SD-270 Mechanical Exploded View Ass'y1 *Note Rear Cabinet (21) is not service available due to attached rating label. It's a general Mechanical Exploded View for SD-270, Detailed information please refer to Model set, and Ass'y1 is assembled component for location 2,3,4,5,6,7.
- Page 27 AH802015 64-B30060-304 TRIANGLE M/C SCREW B 3 X 6 AH802164 51-DC0150-0IAA4 POWER CORD FOR SD-270EKE3 AH802159 51-DC0150-0HAA4 POWER CORD FOR SD-270EKB2 USER MANUAL (ENGLISH VERSION) FOR AH802260 72-270EKB-050B2 SD-270EKE3 AND SD-270EKB2) USER MANUAL (GERMAN,GREEK,TURKEY and AH802261 72-270EKE-120B6 POLISH COMBINATION VERSION) FOR SD-270EKE3...
- Page 28 Electrical Parts List-Front Board CAPACITOR SWITCH TACT 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 48-TAC020-XX0 SWITCH TACT TSAB-1 25-HCB470-M1X 47UF 16V 48-TAC020-XX0 SWITCH TACT TSAB-1 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 48-TAC020-XX0 SWITCH TACT TSAB-1 28-AB0102-KBX SMD. CAP 1000 pF 50V +/-10% B 48-TAC020-XX0 SWITCH TACT TSAB-1 28-AB0104-ZFX...
- Page 29 Electrical Parts List-Power Board CAPACITOR RESISTOR 25-GMA100-M1S CAP. ELEC 400V/10UF/+/-20% R11 18-CB0220-JNX RES. C.F. 22 OHM 1/6W +/-5% 25-GMA150-M1S CAP. ELEC 400V/15UF/+/-20% R12 18-CB0330-JNX RES. C.F. 33 OHM 1/6W +/-5% 25-BDB470-M1X CAP. ELEC 47 UF 25V +/-20% R13 18-CB0104-JNX RES. C.F. 100K 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-HB0330-JCX SMD. CAP 33 PF 50V +/-5% 0402 28-AB0103-ZFX CAP.SMD 10NF 50V +80-20% 0603 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 28-HB0103-ZFX SMD. CAP 10NF 50V +80%-20% 0402 28-HB0102-KBX SMD.
- Page 31 Electrical Parts List-Main Board CAPACITORS CONNECTOR C142 28-HB0101-JCX SMD. CAP 100 PF 50V +/-5% 0402 46-39617W-24X 24PIN C144 28-HD0104-ZFX SMD. CAP 100 NF 25V +80% -20% 0402 46-35199W-05X CONN.PH-5A 5PIN PITCH=2.0MM C146 28-HB0103-ZFX SMD. CAP 10NF 50V +80%-20% 0402 46-35199W-06X PH-6A 6PIN PITCH-2.0MM C147 28-HB0103-ZFX SMD.
- Page 32 Electrical Parts List-Main Board TRANSISTOR RESISTOR 12-G9012M-HBX TRANSISTOR SMT 3CG9012M 19-GA0750-FTF SMD. RES 75 OHM 1/16W +/-1% 0402 11-CA8550-DBX TRANSISTOR 19-GA0103-JTF SMD. RES 10K OHM 1/16W +/-5% 11-CA8550-DBX TRANSISTOR 19-GA0103-JTF SMD. RES 10K OHM 1/16W +/-5% 12-G9012M-HBX TRANSISTOR SMT 3CG9012M 19-GA0750-FTF SMD.
- Page 33 Electrical Parts List-Main Board RESISTOR RESISTOR 19-GA0472-JTF SMD. RES 4.7K OHM 1/16W +/-5% R169 19-GA0682-JTF SMD. RES 6.8K OHM 1/16W +/-5% R120 19-GA0104-JTF SMD. RES 100K OHM 1/16W +/-5% R170 19-GA0682-JTF SMD. RES 6.8K OHM 1/16W +/-5% R121 19-GA0104-JTF SMD. RES 100K OHM 1/16W +/-5% R171 19-GA0562-JTF SMD.
- Page 34 Electrical Parts List-Main Board RESISTOR R245 19-AA0000-JTF RES. SMD 0 OHM 1/16W +/-5% R246 19-AA0000-JTF RES. SMD 0 OHM 1/16W +/-5% 19-GA0000-JTF SMD. RES 0 OHM 1/16W +/-5% 0402 IC& VARIOUS ZR36966 13-ZR3696-60BXA 13-EM6361-65B IC EM636165TS-7 16m Flash 70ns 3.3V TSOP-48 13-AL016D-00BFA 13-00M24C-08B EEPROM 8K M24C08WMN6TP...
- 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 * First Release... - Page 37 1-1, SHIBAURA 1-CHOME, MINATO- KU, TOKYO 105-8001, JAPAN...