Toshiba SD-3805 Service Manual Download Page 39

Page: 39 / 83

3-1

SECTION 3

ELECTRICAL

CONTENTS

ELECTRICAL TROUBLESHOOTING GUIDE

......................................................................3-2

1. Power(SMPS) Circuit ...............................................................................................................3-2

2. µ-com Circuit............................................................................................................................3-3

3. MPEG Circuit............................................................................................................................3-6

4. Front Circuit(Digitron & Key) ................................................................................................3-7

5. RF/Servo Circuit ......................................................................................................................3-8

BLOCK DIAGRAMS

..................................................................................................................3-12

1. Overall Block Diagram ..........................................................................................................3-12

2. Power (SMPS) Block Diagram ..............................................................................................3-13

3. RF/CD DSP/DVD DSP/DVD servo Block Diagram ..............................................................3-14

4. Audio Block Diagram ............................................................................................................3-15

5. MPEG Block Diagram...........................................................................................................3-16

CIRCUIT DIAGRAMS

................................................................................................................3-17

1. Power (SMPS) Circuit Diagram ............................................................................................3-17

2. DVD DSP Circuit Diagram .....................................................................................................3-19

3. Drive & RF Circuit Diagram ..................................................................................................3-21

4. MPEG Circuit Diagram ..........................................................................................................3-23

• WAVEFORMS ...........................................................................................................................3-25

5. Audio DM & 5.1CH Circuit Diagram .....................................................................................3-27

6. TIMER & Key Circuit Diagram ..............................................................................................3-29

7. A/V Circuit Diagram ...............................................................................................................3-31

8. A/V Jack Circuit Diagram ......................................................................................................3-33

• CIRCUIT VOLTAGE CHART .........................................................................................................3-35

PRINTED CIRCUIT DIAGRAMS

............................................................................................3-39

1. MAIN P.C.BOARD ...................................................................................................................3-39

2. AV JACK P.C.BOARD.............................................................................................................3-41

3. SMPS P.C.BOARD ..................................................................................................................3-42

4. FRONT P.C.BOARD................................................................................................................3-41

Summary of Contents for SD-3805

Page 1: ...SERVICE MANUAL DVD VIDEO PLAYER FILE NO 810 200204 SD K615 SD 3805 SD 2805 DOCUMENT CREATED IN JAPAN May 2002 ...

Page 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MECHANISM SECTION 5 REPLACEMENT PARTS LIST ...

Page 3: ...MARY CONTENTS OWNER S MANUAL 1 3 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 31 SERVICING PRECAUTIONS 1 32 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE DEVICES ...

Page 4: ...icing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normal or has been dropped 26 Servicing Do not attempt to service this product yourself as opening or removing the cover may expose you to dangerous voltage...

Page 5: ...want Scene On a video CD with PBC Playback control functions moving pictures and still pictures are divided into sec tions called Scenes Each scene is displayed in the menu screen and assigned a scene number enabling you to locate the scene you want A scene is composed of one or several tracks Types of video CDs There are two types of video CDs Video CDs equipped with PBC Version 2 0 PBC Playback ...

Page 6: ...e disc To keep the exterior surfaces clean Do not use volatile liquids such as insecticide spray near the unit Do not allow rubber or plastic products to contact the unit for a long period of time They will leave marks on the surface To move the unit When you move the player take out any discs If you don t the discs may be damaged or be dropped to the internal of the DVD player Cleaning the unit T...

Page 7: ... Do not mix old and new batteries Never mix different types of batteries standard alkaline etc AAA A A A OPEN CLOSE Opens and closes the disc tray GUI DISPLAY Accesses on screen display SETUP Accesses or removes setup menu TOP MENU Displays the Title menu of the disc if available 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 left right up down Selects an item in the menu CLEAR Removes a track number on the prog...

Page 8: ...AL INPUT OPTICAL COAXIAL DIGITAL INPUT Connections Tips Depending on your TV and other equipment you wish to connect there are various ways you could connect the player Use only one of the connections described below Please refer to the manuals of your TV VCR Stereo System or other devices as necessary to make the best connections For better sound reproduction connect the player s AUDIO OUT jacks ...

Page 9: ...ccurs the symbol appears on the TV screen indi cating that the operation is not permitted by the DVD Player or is not available on the disc On Screen Display General playback status can be displayed on the TV screen Some items can be changed on the menu On screen display operation 1 Press GUI DISPLAY during playback 2 Press 3 3 3 3 or 4 4 4 4 to select an item The selected item will be highlighted...

Page 10: ...an Digital Audio Output 5 1 Speaker Setup Others Disc Audio 8 7 6 5 4 3 2 1 Unlock Change Before Operation Cont d Sound Digital Audio Output Each DVD disc has a variety of audio output options Set the player s Digital Audio Output according to the type of audio system you use DOLBY DIGITAL PCM Select DOLBY DIGITAL PCM if you connected the DVD Player s DIGITAL OUT jack to a Dolby Digital decoder or...

Page 11: ...thout PBC VCD1 1 Karaoke DVD VCD1 1 VCD2 0 DVD VCD1 1 VCD2 0 DVD VCD1 1 VCD2 0 DVD 1 3 1 12 VCD1 1 DVD 1 3 DVD OPERATION Operation with DVD and Video CD Playing a DVD and Video CD Playback Setup Turn on the TV and select the video input source con nected to the DVD player Audio system Turn on the audio system and select the input source connected to the DVD player 1 Press OPEN CLOSE to open the di...

Page 12: ...press REPEAT a third time The Repeat Off icon appears on the TV screen Video CDs Repeat Track Disc All Off 1 To repeat the track currently playing press REPEAT The Repeat Track icon appears on the TV screen 2 To repeat the disc currently playing press REPEAT a second time The Repeat Disc icon appears on the TV screen 3 To Repeat of entire all disc contents press REPEAT a third time The Repeat All ...

Page 13: ... TRACK 6 MP3 TRACK 7 MP3 TRACK 8 MP3 56 35 1 OFF E VCD Clear All TRACK 1 TRACK 2 TRACK 3 TRACK 4 TRACK 5 TRACK 6 TRACK 7 TRACK 8 Program E Operation with Audio CD and MP3 Disc Playing an Audio CD and MP3 disc The DVD Player can play MP3 formatted recordings on CD ROM CD R or CD RW discs Before playing MP3 recordings read the notes on MP3 Recordings on page 22 1 Insert a disc and close the tray The...

Page 14: ...es That means Vertical interpolation or De interlace is not perfectly matched with the disc In this case the picture quality may be improved by changing the video mode To change the video mode press and hold GUI DISPLAY about 3 seconds during disc playback The new video mode number selected is displayed on the TV screen Check whether the video quality has improved If not repeat the above procedure...

Page 15: ... Sudan SE Sweden SG Singapore SH Saint Helena SI Slovenia SJ Svalbard and Jan Mayen Islands SK Slovak Republic SL Sierra Leone SM San Marino SN Senegal SO Somalia SR Suriname ST Saint Tome and Principe SU Former USSR SV El Salvador SY Syria SZ Swaziland TC Turks and Caicos Islands TD Chad TF French Southern Territories TG Togo TH Thailand TJ Tadjikistan TK Tokelau TM Turkmenistan TN Tunisia TO Ton...

Page 16: ... following conditions 1 You must retain your bill of sale or provide other proof of purchase 2 You must notify a TACP THI TCL Authorized Service Station within thirty 30 days after you discover a defective product or part 3 All warranty servicing of this product must be made by a TACP THI TCL Authorized Service Station 4 U S A warranties are effective only if the product is pur chased and operated...

Page 17: ...espect to the repair or replacement of any parts In no event shall TACP THI be liable for consequential or incidental damages No person agent distributor dealer or company is authorized to change modify or extend the terms of these warranties in any manner whatsoever The time within which an action must be commenced to enforce any obligation of TACP THI arising under the warranty or under any stat...

Page 18: ...icing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normal or has been dropped 26 Servicing Do not attempt to service this product yourself as opening or removing the cover may expose you to dangerous voltage...

Page 19: ... want Scene On a video CD with PBC Playback control functions moving pictures and still pictures are divided into sec tions called Scenes Each scene is displayed in the menu screen and assigned a scene number enabling you to locate the scene you want A scene is composed of one or several tracks Types of video CDs There are two types of video CDs Video CDs equipped with PBC Version 2 0 PBC Playback...

Page 20: ...nd turn off the unit after removing the disc To keep the exterior surfaces clean Do not use volatile liquids such as insecticide spray near the unit Do not allow rubber or plastic products to contact the unit for a long period of time They will leave marks on the surface To move the unit When you move the player take out any discs If you don t the discs may be damaged or be dropped to the internal...

Page 21: ...aution Do not mix old and new batteries Never mix different types of batteries standard alkaline etc AAA A A A OPEN CLOSE Opens and closes the disc tray GUI DISPLAY Accesses on screen display SETUP Accesses or removes setup menu TOP MENU Displays the Title menu of the disc if available 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 left right up down Selects an item in the menu CLEAR Removes a track number on th...

Page 22: ...lifier receiver stereo or audio video equipment See Connecting to optional equipment on page 11 Caution Make sure the DVD Player is connected directly to the TV Tune the TV to the corresponding video input Do not connect the DVD Player s AUDIO OUT jack to the phono in jack record deck of your audio system Do not connect your DVD Player via your VCR The DVD image could be distorted by the copy prot...

Page 23: ... Rating Area Code TV Aspect Menu Language Progressive Scan Digital Audio Output 5 1 Speaker Setup Others Disc Audio 4 3 Letterbox 4 3 Panscan 16 9 Wide Disc Subtitle Disc Menu Rating Area Code TV Aspect Menu Language Progressive Scan Digital Audio Output 5 1 Speaker Setup Others Disc Audio Original Spanish English Chinese Polish Hungarian Russian French German Italian Other Before Operation Genera...

Page 24: ...can Digital Audio Output 5 1 Speaker Setup Others Disc Audio 8 7 6 5 4 3 2 1 Unlock Change Before Operation Cont d Sound Digital Audio Output Each DVD disc has a variety of audio output options Set the player s Digital Audio Output according to the type of audio system you use DOLBY DIGITAL PCM Select DOLBY DIGITAL PCM if you connected the DVD Player s DIGITAL OUT jack to a Dolby Digital decoder o...

Page 25: ...thout PBC VCD1 1 Karaoke DVD VCD1 1 VCD2 0 DVD VCD1 1 VCD2 0 DVD VCD1 1 VCD2 0 DVD 1 3 1 12 VCD1 1 DVD 1 3 DVD OPERATION Operation with DVD and Video CD Playing a DVD and Video CD Playback Setup Turn on the TV and select the video input source con nected to the DVD player Audio system Turn on the audio system and select the input source connected to the DVD player 1 Press OPEN CLOSE to open the di...

Page 26: ...press REPEAT a third time The Repeat Off icon appears on the TV screen Video CDs Repeat Track Disc All Off 1 To repeat the track currently playing press REPEAT The Repeat Track icon appears on the TV screen 2 To repeat the disc currently playing press REPEAT a second time The Repeat Disc icon appears on the TV screen 3 To Repeat of entire all disc contents press REPEAT a third time The Repeat All ...

Page 27: ... TRACK 6 MP3 TRACK 7 MP3 TRACK 8 MP3 56 35 1 OFF E VCD Clear All TRACK 1 TRACK 2 TRACK 3 TRACK 4 TRACK 5 TRACK 6 TRACK 7 TRACK 8 Program E Operation with Audio CD and MP3 Disc Playing an Audio CD and MP3 disc The DVD Player can play MP3 formatted recordings on CD ROM CD R or CD RW discs Before playing MP3 recordings read the notes on MP3 Recordings on page 22 1 Insert a disc and close the tray The...

Page 28: ...es That means Vertical interpolation or De interlace is not perfectly matched with the disc In this case the picture quality may be improved by changing the video mode To change the video mode press and hold GUI DISPLAY about 3 seconds during disc playback The new video mode number selected is displayed on the TV screen Check whether the video quality has improved If not repeat the above procedure...

Page 29: ...les SD Sudan SE Sweden SG Singapore SH Saint Helena SI Slovenia SJ Svalbard and Jan Mayen Islands SK Slovak Republic SL Sierra Leone SM San Marino SN Senegal SO Somalia SR Suriname ST Saint Tome and Principe SU Former USSR SV El Salvador SY Syria SZ Swaziland TC Turks and Caicos Islands TD Chad TF French Southern Territories TG Togo TH Thailand TJ Tadjikistan TK Tokelau TM Turkmenistan TN Tunisia ...

Page 30: ... following conditions 1 You must retain your bill of sale or provide other proof of purchase 2 You must notify a TACP THI TCL Authorized Service Station within thirty 30 days after you discover a defective product or part 3 All warranty servicing of this product must be made by a TACP THI TCL Authorized Service Station 4 U S A warranties are effective only if the product is pur chased and operated...

Page 31: ...espect to the repair or replacement of any parts In no event shall TACP THI be liable for consequential or incidental damages No person agent distributor dealer or company is authorized to change modify or extend the terms of these warranties in any manner whatsoever The time within which an action must be commenced to enforce any obligation of TACP THI arising under the warranty or under any stat...

Page 32: ...S WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS AN X RAY SHIEL...

Page 33: ...l pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be ...

Page 34: ...1 SECTION 2 CABINET MAIN CHASSIS CONTENTS 1 DISASSEMBLY 2 2 CABINET DISASSEMBLY 2 2 CIRCUIT BOARD DISASSEMBLY 2 3 2 EXPLODED VIEWS 2 4 1 Cabinet and Main Frame Section 2 4 2 Packing Accessory Section 2 5 ...

Page 35: ...pitch screws used to secure metal parts If they are used improperly the screw holes will be easily damaged and the parts can not be fixed Top Case A A A A A A A Tray Door Disc Tray Front Panel Stopper Stopper CABINET DISASSEMBLY 1 Top Case 1 Release 7 screws A See Fig 2 1 2 Lift the top case with holding the back of it and remove it in the direction of the arrow Fig 2 1 Fig 2 2 Fig 2 3 3 Front Pan...

Page 36: ...in chassis 6 Unscrew 4 screws D at MD Ass y DPM1 7 Turn the portion the direction of arrow to move the Base Assembly Tray in front of you 8 Release the other 3 screws E 9 Disassemble MD Ass y DPM1 from Main chassis 10 Unscrew 4 screws F at Power circuit 11 Disassemble power circuit board from Main chassis CIRCUIT BOARD DISASSEMBLY Note Before removing the main circuit board be sure to shortcircuit...

Page 37: ...EXPLODED VIEWS 1 Cabinet and Main Frame Section 465 465 250 462 462 300 465 260 465 A46 A47 463 463 275 463 463 463 467 A48 463 463 463 463 463 A00 A43 283 280 285 262 452 452 DIG901 PBTOO A 5 4 3 2 1 B C D ...

Page 38: ...2 5 2 Packing Accessory Section BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 811 812 OWNER S MANUAL 810 CABLE SET ASS Y 801 REMOCON 900 BOX CARTON 802 PACKING 803 ...

Page 39: ...k Diagram 3 14 4 Audio Block Diagram 3 15 5 MPEG Block Diagram 3 16 CIRCUIT DIAGRAMS 3 17 1 Power SMPS Circuit Diagram 3 17 2 DVD DSP Circuit Diagram 3 19 3 Drive RF Circuit Diagram 3 21 4 MPEG Circuit Diagram 3 23 WAVEFORMS 3 25 5 Audio DM 5 1CH Circuit Diagram 3 27 6 TIMER Key Circuit Diagram 3 29 7 A V Circuit Diagram 3 31 8 A V Jack Circuit Diagram 3 33 CIRCUIT VOLTAGE CHART 3 35 PRINTED CIRCU...

Page 40: ...Replace R102 Replace BD101 Bridge rectifier Is R102 R104 normal Is about AC 100V applied to IC101 Pin 3 Check IC101 Is 5 2V applied to IC102 Pin 1 Is there a DC voltage at the terminal of BD101 Check R127 128 SHUTDOWN CKT 1 Power SMPS Circuit No FLD Is 5 2VA section working Replace SMPS trans T101 Replace the inferior components Are D109 L103 open NO NO NO NO NO NO YES YES YES YES YES YES YES A B ...

Page 41: ...501 normal Are IC501 Pins 193 808 and 81 normal Do Hello appear at FLD Is P3901 connected normally Is P3901 Pin 15 16 19 normal The waveform on 3 5 7 pin of IC503 normal Check the oscillation Check short OK Replace IC501 or IC3F1 Check power Refer to power If power is normal OK POWER ON 1 1 YES YES YES NO YES YES YES A NO NO NO NO NO NO NO YES A ...

Page 42: ...ES YES If OK YES If OK YES If OK Refer to Audio part Refer to Decoder part Refer to PANTERA part Replace B D Check Front Reconnect it Refer to SERVO part Check the connection of MD AUDIO ABNORMAL OPEN CLOSE ABNORMAL C Video abnormal Check Video jack YES If OK YES If OK YES If OK Refer to Video part Refer to PANTERA part Replace B D VIDEO ABNORMAL ...

Page 43: ...re abnormal Check the disc If OK YES If OK YES If OK Refer to Servo part Check DSP Check PANTERA Replace B D PICTURE ABNORMAL F Disc Error Check Disc YES If OK YES If OK Refer to Servo part Replace B D DISC ERROR ...

Page 44: ...he audio sound output from PANTERA decoder Does the moving picture of the video CD play on the screen normally Does the audio sound output normally END Check power clock Check CD DVD DSP output signal Check CD DVD DSP output signal Check CD DVD DSP output signal Check clock signal Check clock signal YES YES YES YES YES YES YES YES YES YES NO NO NO OK NO NO NO NO NO 3 PANTERA Circuit _ OPTION _ If ...

Page 45: ...orm of IC901 Pin 15 Does pulse waveform of RC901 Pin 1 appear Is IC901 Pin 28 connected to RC901 Pin 1 Is RC901 Pin 2 5V Power on Check and replace R926 R925 Solder defective parts again Solder defective parts Replace IC901 Solder Key part Check Power Replace IC902 Replace IC901 Replace LED901 Replace RC901 Re solder Recheck Replace IC901 Complete repairing Front B D NO NO NO NO NO NO NO NO NO YES...

Page 46: ...Does signal goes High to IC201 Pin186 when the power is on Does 33 8688MHz clock input to IC201 Pin 63 Replace IC201 IC206 soldering or IC defect Check 2 PANTERA Part Replace X201 or IC206 30MHz clock defect CHECK POINT General 5 RF Servo Circuit A NO NO NO YES YES YES ...

Page 47: ...e up and down Check Focus Driver output IC201 Pin 88 IC2M1 Pins 37 38 Check SLED Driver output IC201 Pin 80 IC2M1 Pins 28 29 IC201 Pin 80 no output IC201 is defective IC2M1 Pins 28 29 no output IC2M1 is defective IC201 Pin 88 no output IC201 is defective IC2M1 Pins 37 38 no output IC2M1 is defective DECK assembly is defective Slide the pick up to inner track Power on Check loading Part Push Pick u...

Page 48: ...ear OPEN CLOSE Replace IC501 or IC201 Replace IC201 Check IC2A1 Pin 47 50 51 52 in DVD Mode Fig 3 FOCUS ERROR waveform IC201 no output Pick up is defective Check IC201 and IC2M1 when PMD03 Pin 5 is abnormal Check IC2M1 Pin 21 PMD03 Pin 5 turn when the IC2M1 Pin 21 is less than 2 2V Check A Video Part is defective Check PANTERA Circuit Check 7 OSD Video Circuit Replace PANTERA part IC2A1 is defecti...

Page 49: ...F 1 5 1 6V Q2A6 collector Fig 5 RF waveform Check IC2A1 Pins 47 50 51 52 No signal Pick up is defective Replace IC201 Check IC201 Pin84 No signal at IC201 IC201 is defective Check IC201 Pin 105 Check the clock at the IC201 Pins 138 Both are normal IC201 is defective Replace IC2A1 CHECK A D END NO NO NO NO YES YES YES YES ...

Page 50: ...OUT PCMCLK SPINDLE_FG MSDATO MDP1 FOK DEFECT DSP_SENSE LOCK E_SOUT ZISENB XRST DAC_RST 16 9 PAL_SW AUTO_SW MIC_ON Y_SEL A_MUTE DAC_CS1 DAC_CS2 V_MUTE DAC_CLK DAC_OUT ADCCLK ACT_MUTE LOAD_OPEN LOAD_CLOSE MIRR AD 00 19 PSENB FLD FLD_CS FLD_CLK FLD_OUT FLD_CS COMM_CLK COMM_OUT CPLD EE_CS EE_CLK EE _OUT F_IN IC306 FLASH ROM F_IN MRESET FLASH_CS RD PWEO LA0 LA1 LA2 LA3 AD 04 19 MD 00 31 MCLK2 CKE MA 00...

Page 51: ...V_A 27VA VF RECTIFIER LINE FILTER SWITCHING TR TRANS FEED B REG 8V 8V 5 2VA VF RECTIFIER FLD RECTIFIER 9V RECTIFIER 5 2V LPF LPF RECTIFIER 14V LPF 12V_A AC120V PWR ON OFF REG 3 3V REG 3 3V 3 3V_MI 3 3V 3 3V 3 3V_M RECTIFIER 3 8V LPF REG 12V ...

Page 52: ... UCOM I F focus tracking loading sled Spindle M D PICK UP MCK IC201 HDC25D811B CD DVD DSP DVD SERVO IC2A1 HD153702TF RF Signal Processor FDO TDO FMO Load open close loading control UCOM I F DVD A B C D FE TE PI SBADD 4 4 DVD CD RF IC203 SDRAM 16 9 ICADDR 0 8 ICDATA 00 15 DO 0 7 AO 0 5 DVD_DATA 0 7 MON MDP SPINDLE_FG MPEG I F 2 2 DSP_CS WR RD 3 3 8 8 3 RF CD DSP DVD DSP DVD SERVO Block Diagram ...

Page 53: ...3 15 4 Audio Block Diagram IC401 CS4391 Audio DAC IC402 LPF Buffer NJM4580D OP AMP L R U COM I F A_0WT3 SRST DAC COMM_DATA COMM_CLK DAC_CS LRCK DA_BCK DA_XCK L R MPEG I F ...

Page 54: ... 0 3 4 SCLK SDATA SQCK SQS0 REQP SDCLK1 PSYNC DSP_INT SENSE DSP_CS AD 00 19 RF MOTOR I F MIRR LDON SCLK SDATA EE_CS F_IN 32 MD 00 31 MCLK2 CKE MA 00 10 MA12 13 CS0 RAS CAS WE DQM 0 3 SPINDLE_FG LA 0 3 4 AD 00 15 16 AUDIO I F DA_DATA DA_BCK DA_LRCK DA_XCK DAC_L0 DAC_L1 DAC_RST A V JACK I F C R B CVBS G R Y B G CVBS V_MUTE 16 9 ZISENB RD PWED ...

Page 55: ...W SD 3805 2805 K615 02 03 19 R14140A CIRCUIT DIAGRAM 1 POWER SMPS CIRCUIT DIAGRAM NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during Play mode Oscillation abnormal Digitron no Power 3 3V line dead No Power 8V line dead 5V_A 5V_D No Power No Power ...

Page 56: ...AVEFORM D201 D202 R284 R283 SD 3805 2805 K615 02 03 19 R14135A 2 DVD DSP CIRCUIT DIAGRAM DVD CD picture audio abnormal µ com Interface adress CD DVD picture audio abnormal Focus Servo fail Tracking Servo fail Scratched Disc abnormal Sled Servo fail DRAM Control Disc Detect Error Spindle Servo fail ...

Page 57: ...s Servo Loop Tracking Servo Loop Sled Servo Loop SD 3805 2805 K615 R2R3 R2R1 0 R2R4 02 03 19 R14133A Turntable not operate DVD laser not operate CD laser not operate Tray Loading Speed control Turn table speed control Actuator spindle sled not operate CD laser not operate Tracking Servo fail Servo fail Focus Servo fail ...

Page 58: ...L OUT Y Pb Pr Component Y c S VHS Audio L R OUT CVBS SD 3805 2805 K615 HB 150 02 03 19 R14134A 4 PANTERA CIRCUIT DIAGRAM No Power on No Power 1 8V Audiuo DAC Interface System not operate System not working or Digitron not display Not memoried setup menu ...

Page 59: ...C501 Pin 114 Luminance Super video out Mode Tek Stop 1 00kS s 3290 Acqs M 500µs CH1 280 mV Edge Slope Type Edge Source Ch1 Coupling DC Level 280mV Mode Holdoff 3 Ch3 1 00V T T Slope T IC501 Pin 99 PANTER MAIN IC501 Pin 112 Component Pb IC501 Pin 110 Component Pr TURN from Motor Drive Reverse turn IC301 6 8 Sensor 1 disc position Sensor 2 disc ready IC301 78 89 TURN Signal from µ com TE TZC After t...

Page 60: ...2 03 19 R14136A 4 7K Program download fail Digitron abnormal Not power on Not memoried setup Menu No Disc display Tray not open close Tray not closed Digitron all not display and system not operate Turntable not operating Pick up not initial operating Disc number detect error ...

Page 61: ...IRCUIT DIAGRAM OPTION A OPTION B 0 1µF SD 3805 2805 K615 SD 3805 OPTION A OPTION B O MENU ENTER O MENU ENTER X ZOOM E A M SW903 SW902 SD 2805 SD K615 02 03 19 R14138B System not operate System not operate Remocon not operate ...

Page 62: ...3 31 3 32 7 A V CIRCUIT DIAGRAM SD 3805 2805 K615 02 03 19 R14137B ...

Page 63: ...3 33 3 34 8 JACK CIRCUIT DIAGRAM SD 3805 2805 K615 C615 470µF 6 3V C613 1000µF 6 3V 02 03 19 R14139D T W ...

Page 64: ...5 LEVEL V MODE PIN NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 4 4 0 0 0 3 2 0 0 0 0 0 0 3 2 3 2 0 0 0 0 0 0 0 0 0 0 0 0 3 2 0 0 0 0 0 0 0 2 2 0 0 0 3 2 0 0 0 0 2 2 0 3 2 2 4 3 2 2 3 0 0 3 2 1 7 3 1 LEVEL V MODE PIN NO 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 ...

Page 65: ...31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 3 1V 2 5 3 7 2 3 4 2 5 NC NC 1 2V 2 78V 3 0 3 6 3 0 3 6 2 7V 1 9V 5 18V 5 18V 0 3 8V 0V 4V 3 3V 5 2V 0 0V 5 18V 2 2V 3 5 2 2V 3 4 3 8V 2 2 2 6 0V 5V 0 4V 4V 2 4V 2 4V 2 4 2 6V 2 4V 2 6V 2 4V 2 6V 2 4V 2 6V 2 4V LEVEL V MODE PIN NO 54 55 56 57 58 59 60 61 62 63 64 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 2...

Page 66: ...3 39 3 40 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATIONGUIDE BOTTOM SIDE TOP SIDE ...

Page 67: ...CATION GUIDE 2 AV JACK P C BOARD LOCATION GUIDE 4 FRONT P C BOARD LOCATION GUIDE NOTES Warning NOTES Parts that are shaded are critical NOTES With respect to risk of fire or NOTES electricial shock 3 SMPS P C BOARD ...

Page 68: ...MEMO MEMO ...

Page 69: ...bly Up Down 4 3 3 1 PCB Assembly Junction 4 3 3 2 Base Assembly Sled Damper 4 3 3 2 1 Gear Assembly Feed 4 3 3 2 2 Gear Assembly Middle 4 3 3 2 3 Gear Assembly Rack 4 3 3 3 Rubber Damper 4 3 3 4 Frame Up Down 4 3 4 Base Assembly Main 4 4 4 1 PCB Assembly Main Mode 4 4 4 2 Gear Slider 4 4 4 3 Gear Exchange 4 4 4 4 Gear Main 4 4 4 5 Gear Up Down 4 4 4 6 Gear Wheel Main 4 4 4 7 Gear Loading 4 4 4 8 M...

Page 70: ...ear Slider Gear Exchange Gear Main Gear Up Down Gear Wheel Main Gear Loading Motor Assembly Main Base Main 3 Screws 2 Connectors 1 Hook 2 Locking Tabs 1 Screw 2 Locking Tabs 2 Screws 1 Connector 2 Screws 1 Screw 2 Screws 5 Connectors 4 Screws 1 Connector 1 Locking Tab 1 Screw 2 Connectors 3 Screws 1 Screw 1 Screw 1 Screw 1 Screw 1 Screw 2 Screws 1 Locking Tab 4 1 4 1 4 1 4 1 4 1 4 2 4 2 4 2 4 2 4 ...

Page 71: ...ocking Tabs L1 located to both sides of the Base Main and then pull the Base Assembly Tray in fornt of you 2 1 Tray Disc Fig 4 2 1 Release Screw S2 Put the Base Assembly Tray face down Bottom side 2 2 Roller Base Tray 1 Unlock the two Locking Tabs L2 2 3 PCB Assembly Tray 1 Release two Screws S3 2 Unconnect the Connector C3 Put the Base Assembly Tray on original position Top Side 2 4 Motor Assembl...

Page 72: ...ASSEMBLY JUNCTION FRAME UP DOWN BASE MAIN FRAME UP DOWN GEAR UP DOWN 3 Frame Assembly Up Down Fig 4 3 1 Release Screw S5 3 1 PCB Assembly Junction 1 Unconnect the 5 Connectors C5 C6 2 Release 2 Screws S6 3 2 Base Assembly Sled Damper Put the Base Assembly Main on original position Top side 1 Release 4 Screws S7 2 Disconnect the Connector C7 3 2 1 Gear Assembly Feed 1 Look the Locking Tab L3 in dir...

Page 73: ...ease three Screws S9 When reassembling align the Mode Switch position as Fig A Put the Base Assembly Main on original position Top Side 4 2 Gear Slider 1 Release Screw S10 4 3 Gear Exchange 1 Release Screw S11 4 4 Gear Main 1 Release Screw S12 When reassembling align the A position of the Gear Main to the B position of Mode Switch as Fig B 4 5 Gear Up Down 1 Release Screw S13 Reassembling turn the...

Page 74: ...MEMO ...

Page 75: ...anism Exploded View 016 012 012 014 014 009 013 413 011 008 432 430 430 430 430 031 001 003 004 026 025 002 414 415 415 413 413 413 413 414 414 416 032 034 033 035 416 416 416 416 416 037 038 030 024 022 023 021 020 036 A03 A01 A02 A04 ...

Page 76: ...M E M O M E M O ...

Page 77: ...0194M CASE TOP 5 CD W O DVD J597G SD 3805N BC101 79091008 636 004C CORE CIRC BEAD BEAD CORE BFS3550R2FD8 R T P BD101 79096005 0DD160000DA DIODE RECTIFIERS S1WBA60 BK SHINDENGEN 600V C101 79098792 624 088N CAPACITOR DRAWING MPX104K 275VAC BULK C103 79092004 0CE157CR610 CAPACITOR FIXED ELECTROLYTIC 150UF SHL SD 250V 20 FL BULK C104 79092035 624 085D CAPACITOR FIXED ELECTROLYTIC CE 47UF 50V KME SMPS ...

Page 78: ... CAPACITOR FIXED 4700PF 50V 10 X7R X 1608 R TP C2M4 79092014 0CH1104K942 CAPACITOR FIXED 0 1UF 50V 80 20 Y5V F 1608 R TP C2M6 79092030 0CH8107F611 CAPACITOR CHIP AL 100UF 16V 20 85STD CYL R TP C2M7 79092018 0CH1225F944 CAPACITOR FIXED 2 2UF 16V 80 20 Y5V F 3216 R TP C2M9 79092014 0CH1104K942 CAPACITOR FIXED 0 1UF 50V 80 20 Y5V F 1608 R TP C2N6 79092017 0CH1223K942 CAPACITOR FIXED 0 022UF 50V 80 20...

Page 79: ...UA DIG901 79098793 6302R V103C DIGITRON 7 BT 279GNK FUTABA S F101 79098701 585 027B FUSE SLOW BLOW 1600MA 250 V 5 2X20 CY GL KS JAPAN UL CSA 51 F102 79094018 0IRH100000B IC ROHM ICP N10 T104 TP IC DETACT F102 79098817 GIRH100000B IC ROHM ICP N10 T104 TP IC D F602 79091006 6200HJC901A FILTER CIRC EMI CFI06B1H101MF SAMWHA TP 2 5K TP FH101 79098790 586 008B HOLDER FUSE CLIP TP SINSUNG IC101 79098751 ...

Page 80: ...IP 620 OHM 1 16 W 1608 5 00 D R275 79093034 0RH1501C622 RESISTOR METAL GLAZED CHIP 1 5K OHM 1 16 W 1608 5 00 D R276 79093052 0RH9100C622 RESISTOR METAL GLAZED CHIP 910 OHM 1 16 W 1608 5 00 D R277 79093057 0RH1500C622 RESISTOR METAL GLAZED CHIP 150 OHM 1 16 W 1608 5 00 D R278 79093020 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R288 79093029 0RH1002C622 RESISTOR METAL GLAZED CHI...

Page 81: ...R415 79093045 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R416 79093029 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R417 79098770 0RH1801C622 RESISTOR METAL GLAZED CHIP 1 8K OHM 1 16 W 1608 5 00 D R418 79093029 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R419 79093041 0RH3300C622 RESISTOR METAL GLAZED CHIP 330 OHM 1 16 W 1608 5 00 ...

Page 82: ...93008 0RD1502F608 RESISTOR FIXED CARBON FILM 15K OHM 1 6 W 5 00 TA26 R922 79093013 0RD2702F608 RESISTOR FIXED CARBON FILM 27K OHM 1 6 W 5 00 TA26 R925 79093005 0RD1002F608 RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 00 TA26 R933 79093014 0RD3300F608 RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 00 TA26 R938 79093004 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 00 TA26 R939 79093011 0RD2200F60...

Page 83: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

Search results

Summary of Contents for SD-3805

Reviews:

Related manuals for SD-3805

Brands by name

Popular brands

Toshiba SD-3805, Service Manual

Search results

Summary of Contents for SD-3805

Reviews:

Related manuals for SD-3805

Brands by name

Popular brands