Toshiba SD-2550A Page 46 Service Manual Download

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1-42

Tracking servo is NG.

Is TE signal normal?

Check peripheral

circuit of IC605.

Check IC502.

Signal waveform at

tracking servo ON (CD)

TE signal

Pin 151 (TP406) of IC401

1.65V

RFRP signal

Pin 153 (TP408) of IC401

Search ON (SRCH)

Pin 38 (TP411) of IC401

ON search

Tracking servo on

Signal waveform at

tracking servo ON (DVD)

Fig. 1-3-13

Fig. 1-3-14

Fig. 1-3-15

Summary of Contents for SD-2550A

Page 1: ...DVD VIDEO PLAYER SERVICE MANUAL Jun 2002 S FILE NO 810 200207 SD 2550A SD 2550H SD 2550T ...

Page 2: ...h it operates properly after replacement if it was subject to electrostatic discharge during replacement its life might be shortened When replacing use a conductive mat soldering iron with ground wire etc to protect the laser diode from damage by static electricity And also the LSI and IC are same as above 1MW Ground conductive wrist strap for body Soldering iron with ground wire or ceramic type C...

Page 3: ...rts 1 30 2 2 Location of Mechanism Parts 1 31 2 2 1 Type A 1 31 2 2 2 Type B 1 34 1 REPLACEMENT OF MECHANICAL PARTS TYPE A 2 1 1 1 Cabinet Replacement 2 1 1 1 1 Top Cover 2 1 1 1 2 Tray Panel 2 1 1 1 3 Front Panel 2 2 1 1 4 Tray 2 2 1 1 5 Rear Panel 2 2 1 2 PC Board Replacement 2 3 1 2 1 Main PC Board 2 3 1 2 2 Power PC board 2 3 1 2 3 Front PC Board 2 4 1 3 Mechanism Parts 2 4 1 3 1 Mechanism Cha...

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Page 5: ...l No located on the rear panel of your DVD video player Model No Serial No Retain this information for future reference The lightning flash with arrowhead symbol within an equilat eral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclo sure that may be of sufficient magnitude to constitute a risk of electric shock to persons The excla...

Page 6: ...ED SERVICE PERSONNEL ONLY 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with dry cloth 5 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including ...

Page 7: ... cause hearing damage 15 Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock 16 Never insert objects of any kind into this apparatus through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the apparatus 7 17 Keep ...

Page 8: ... unit In summer when you use the DVD video player in a hot and humid place just after you move the unit from an air conditioned room When you use the DVD video player in a humid place Do not use the DVD video player when moisture condensation may occur If you use the DVD video player in such a situation it may damage discs and internal parts Remove the disc connect the power cord of the DVD video ...

Page 9: ... pictures Audio CDs Approx 74 minutes Approx 20 minutes 8 cm CD single 12 cm Audio The following discs are also available DVD R discs of DVD video format CD R CD RW discs of CD DA or VIDEO CD format Some of these discs may be incompatible 11 Table of Contents Introduction SAFETY PRECAUTIONS 2 IMPORTANT SAFETY INSTRUCTIONS 4 Precautions 8 Notes on Discs 9 Notes on region numbers 10 Table of Content...

Page 10: ...L CHP TRK M A B R DVD display Pressing of the FL DIM button on the remote control changes the brightness of the display Repeat playback indicator Angle icon indicator Total playing time indicator Memory playback indicator Chapter number indicator Title number indicator Play mode indicator Multifunctional indicator indicates operating status or messages etc Normal Off FL DIM Dimmed The indicators v...

Page 11: ...may not be able to operate the DVD video player via the remote control Notes on the remote control Direct the remote control at the remote sensor of the DVD video player Do not drop or give the remote control a shock Do not leave the remote control near an extremely hot or humid place Do not spill water or put anything wet on the remote control Do not open the remote control Open the cover Insert ...

Page 12: ... with component video inputs Connecting to an amplifier equipped with a Dolby Digital decoder Connecting to an amplifier equipped with Dolby Pro Logic Surround Connecting to an amplifier equipped with a DTS decoder Connecting to an amplifier equipped with an MPEG2 audio decoder Connecting to an amplifier equipped with a digital audio input ...

Page 13: ...to turn off the power and unplug all of the equipment from the wall outlet before making any connections If you place the DVD video player near a tuner or radio the radio broadcast sound might be distorted In this case place the DVD video player away from the tuner and radio The output sound of the DVD video player has a wide dynamic range Be sure to adjust the receiver s volume to a moderate list...

Page 14: ...lby Digital decoder Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories Confidential unpublished works Copyright 1992 1997 Dolby Laboratories All rights reserved Use DVD video discs encoded via the Dolby Digital recording system Make the following setting On screen display Select Page Bitstream Audio Out Select Recording s...

Page 15: ...l audio input Optical digital cable 75 Ω coaxial cable To COAXIAL type digital audio input BITSTREAM PCM L COAXIAL OPTICAL ANALOG R VIDEO Y P B P R S AUDIO OUT VIDEO OUT Use DVD video discs encoded via the MPEG2 recording system Make the following setting On screen display Select Page Bitstream Audio Out Select Recording system MPEG2 48 50 43 Use DVD video discs or audio CDs encoded via the DTS re...

Page 16: ...1 12 Basic playback Begin your operation Playing a Disc Variable Speed Playback Locating a Desired Section Playing an MP3 Encoded CD ...

Page 17: ...yback Press STOP To remove the disc Press OPEN CLOSE Remove the disc after the disc tray opens completely Be sure to press the OPEN CLOSE button to close the disc tray after you remove the disc PAUSE STEP STOP OPEN CLOSE About the screen saver If you pause a picture of a DVD video disc and leave it still for a long while the screen saver of the DVD video player automatically appears when Screen Sa...

Page 18: ...k is stopped Press PLAY The DVD video player resumes playback from the location where you stopped playback Playing in slow motion Press SLOW during playback Each time you press the SLOW button the slow motion speed changes To resume normal playback Press PLAY Note The sound is muted during slow motion playback Resuming playback from the same location 1 2 To start playback from the beginning regard...

Page 19: ...skip step 2 Then at step 3 enter the number for the track you want using the number buttons Press to select a section you want to locate Press to enter a number of the section Also the number buttons are available e g To enter 25 or 1 2 Repeat steps 2 and 3 if necessary Press PLAY or ENTER Playback starts from the selected section 3 4 Notes Pressing the CLEAR button resets the numbers To clear the...

Page 20: ...cordable disc formats including CD R containing MP3 files Given the fact that technology in this area is still maturing Toshiba cannot guarantee that all genre of recordable discs will produce optimal playback quality The technical criteria set out in this owner s manual are meant as a guide only Customers should also note that permission is required in order to download MP3 files and music from t...

Page 21: ...de changes as follows 1 To resume normal playback Press CLEAR Note Some discs may not permit repeat operation Repeating a specific segment Press A B RPT at the beginning of the segment point A you want to play repeatedly Press A B RPT again at the end of the segment point B The DVD video player automatically returns to point A and starts repeat playback of the selected segment A B 2 1 To resume no...

Page 22: ...memory playback indicator disappears To program during playback If you press the MEMORY button during playback a programming display appears Follow steps 2 and 3 Notes Some discs may not permit memory playback operation If you press the REPEAT button during memory playback the DVD video player repeats the current memory playback If you press the MEMORY or RETURN button while the display appears on...

Page 23: ...ntil the icon turns off Notes Some discs may not respond to zoom feature During some scenes the buttons may not work as described Zooming does not work on subtitles or menus included on DVD video discs While the icon is displayed the buttons cannot work on menus included on DVD video discs If you want to view the menus turn off the icon The magnification level varies depending on the picture size ...

Page 24: ... may function differently than usual Selecting Dialogue disables Dynamic Range Control function 50 E A M ENTER Spatializer 3 Dimensional Sound Processing provided by Desper Products Inc Certain audio features of this product manufactured under a license from Desper Products Inc Spatializer and the circle in square device are trademarks owned by Desper Products Inc DVD VCD CD 41 Selecting the Camer...

Page 25: ...IO during playback The current audio setting is displayed The abbreviation of the language appears instead of the language name Refer to the list of languages and their abbreviations 56 Output sound conversion table sampling frequency quantization bit 1 2 CLEAR 2 1 2 ENTER DVD VCD AUDIO AUDIO ENTER Good morning Buenos días Bonjour BITSTREAM PCM jack ANALOG AUDIO OUT jacks BITSTREAM PCM jack ANALOG...

Page 26: ...n 34 E A M Enhanced Audio Mode setting 40 E P M Enhanced Picture Mode setting 39 To zoom a picture 38 Audio Out Select setting 50 BST Bitstream 2CH Analog 2ch PCM PCM To turn off the display e g When playing a DVD video disc 3 0 08 16 2 3 0 21 28 2 Operating in the on screen display mode DVD VCD CD 45 Press DISPLAY again The on screen display will vary depending on the disc Data transfer rate Mbit...

Page 27: ...1 23 Function Setup You can change the default settings to customize performance to your preference Customizing the Function Settings Table of Languages ...

Page 28: ...araoke Vocal On Screen Language Disc Menu Language Audio Language Subtitle Language On Screen Displays Background Screen Saver Pause Still Parental Lock Title Stop PBC On Screen Language TV Shape Audio Out Select To select a picture size according to the aspect ratio of your TV To select to the video system of a disc To select an output sound format corresponding to your system connection To turn ...

Page 29: ...sc Therefore the playback picture of some DVD video discs may not conform to the picture size you select When you play DVD video discs recorded in the 4 3 picture size only the playback picture always appears in the 4 3 picture size regardless of the TV shape setting If you select 16 9 Widescreen and you own a 4 3 TV set the DVD playback picture will be horizontally distorted during playback Image...

Page 30: ...anguage On Screen Language ENG English Chinese No Subtitle Others Code A A ENG ENG A B C 53 On Screen Displays DVD VCD CD Off Operational modes e g are not displayed On Operational modes e g are displayed on screen Background DVD VCD CD Blue Blue background Gray Gray background Picture To use the picture which appears when you turn on the DVD video player as a background Jacket To use the jacket p...

Page 31: ...essing the buttons c Press the ENTER button 3 Press the buttons to select the parental lock level then press the ENTER button You cannot play DVD video discs rated higher than the level you selected unless you cancel the parental lock function For example when you select level 7 discs rated higher than level 7 are locked out and cannot be played The parental lock level is equivalent to the followi...

Page 32: ...A FI FJ FO FY GA GD GL No alternate language Chinese Dutch English French German Italian Japanese Korean Malay Spanish Afar Abkhazian Afrikaans Amharic Arabic Assamese Aymara Azerbaijani Bashkir Belorussian Bulgarian Bihari Bislama Bengali Bangla Tibetan Breton Catalan Corsican Czech Welsh Danish Bhutani Greek Esperanto Estonian Basque Persian Finnish Fiji Faroese Frisian Irish Scottish Gaelic Gal...

Page 33: ...control is too far from the DVD video player The batteries in the remote control are exhausted Correction Connect the power plug securely into the wall outlet Press the PLAY button Select the appropriate video input mode on the TV so the picture from the DVD video player appears on the TV screen Connect the video cable securely into the appropriate jacks Select the correct input mode of the audio ...

Page 34: ...TION OF MAIN PARTS AND MECHANISM PARTS 2 1 Location of Main Parts Fig 1 2 1 EU01 Main PC board EU02 Power supply PC board Loading motor PC board Disc motor PC board Feed motor PC board EU03 Front display PC board ...

Page 35: ... 31 2 2 Location of Mechanism Parts 2 2 1 Type A Fig 1 2 2 Mechanism chassis assembly Top side Fig 1 2 3 Mechanism chassis assembly Bottom side Tray Clamper stay Loading motor PC board Mechanism chassis ...

Page 36: ...1 32 Fig 1 2 4 Mechanism chassis assembly Internal side Loading belt Loading motor Cam Slider Gear Gear Gear Clamper ...

Page 37: ...is assembly Top side Fig 1 2 6 Pickup mechanism chassis assembly Bottom side Rack gear assembly Gear A Gear B assembly Sub chassis Pickup assembly Disc motor Feed motor Feed motor PC board Front damper Front damper Rear damper Rear damper ...

Page 38: ...1 34 2 2 2 Type B Fig 1 2 7 Mechanism chassis assembly Top side Fig 1 2 8 Mechanism chassis assembly Bottom side Tray Clamper stay Loading motor PC board Mechanism chassis ...

Page 39: ...1 35 Fig 1 2 9 Mechanism chassis assembly Internal side Loading belt Loading motor Kick lever Cam Slider Gear Gear Gear Disc motor ...

Page 40: ... chassis assembly Top side Front damper Rack gear assembly Gear A Gear B assembly Front damper Sub chassis Rear damper Pickup assembly Rear damper Feed motor Feed motor PC board Fig 1 2 11 Pickup mechanism chassis assembly Bottom side ...

Page 41: ...nt Is a disc present DVD or CD initial setting DVD single Initial setting DVD dual Initial setting CD Initial setting To each disc playback process DVD single single layer DVD single single layer DVD dual dual layer CD CD DVD dual dual layer 1 Tray close operation Pin 126 of IC605 LDMP H L Pin 127 of IC605 LDMN L Is tray closed Pin 5 of CN502 TCLS L Y N Tray stops Pin 126 of IC605 LDMP H Pin 127 o...

Page 42: ...p at pin 162 of IC401 Check BUS between IC401 and IC605 and oscillation Check feed gear N Y 2 1 No disc misjudgement display of disc presence Does lens move with UP DOWN full stroke in focus direction Is laser current normal Check IC401 Does search signal output at both edges of focus coil Pins 15 to 18 of CN501 Does focus search voltage of 1 65V 0 4V develop at pin 23 of IC503 E544 Check pickup h...

Page 43: ...Iop min 20mA 20mA 35mA 45mA 60mA 80mA typ max CAUTION The laser ray emitting out from the pickup head is very harmful to your eyes Keep your eyes from the objective lens at least 300mm distance during the pickup head operating When you perform solder removal work please turn OFF a set power supply and perform the ground of human body and a tool To turn on each laser diode forcibly press the follow...

Page 44: ...in adjustment Tracking gain adjustment Focus balance adjustment RF gain adjustment Repeat three times Is address code possible to read Search Picture appears Does NG continue more than 3 s Disc playback NG 4 2 1 5 4 6 Y N N Y Y Automatic adjustment is carried out when a disc is replaced after power ON N N N Y Y N N Y Y Fig 1 3 9 2 Picture appears PLAY ...

Page 45: ... Y Focus servo is NG Are FE RFSB FSON signals normal Check peripheral circuit of IC605 Do signals output to pins 4 to 9 of CN501 Check IC502 Check wiring for pickup head Lens cleaning Replace pickup mechanism Y Y N N 5 FE signal Pin 150 TP405 of IC401 RFSB signal Pin 152 TP503 of IC401 0 3V 1 65V 0 3V Focus search Focus servo on Focus servo ON signal waveform Fig 1 3 10 Fig 1 3 11 Fig 1 3 12 ...

Page 46: ...IC605 Check IC502 6 Y N Signal waveform at tracking servo ON CD TE signal Pin 151 TP406 of IC401 1 65V RFRP signal Pin 153 TP408 of IC401 Search ON SRCH Pin 38 TP411 of IC401 ON search Tracking servo on Signal waveform at tracking servo ON DVD Fig 1 3 13 Fig 1 3 14 Fig 1 3 15 ...

Page 47: ...1 7 Y N N N N Y Y Y DVD RF signal Pin 30 TP502 of IC502 V 500 mV div H 50 ns div DVD RF signal DVD RF signal Pin 30 TP502 of IC502 DVD PLCK Pin 117 TP409 of IC401 CH1 TP502 DVDRF 500 mV div CH2 TP409 DVDPLCK 5 V div 50 ns div DVD playback waveform CD RF signal Pin 30 TP502 of IC502 V 500 mV div H 100 ns div CD RF signal CD RF signal Pin 30 TP502 of IC502 CD PLCK Pin 117 TP409 of IC401 CH1 TP502 CD...

Page 48: ... of Servo Test Point CN503 IC503 IC502 IC401 IC301 CN502 IC606 IC605 CN603 CN601 CN501 CN701 IC304 TP410 FLGA TP401 VRFED TP408 RFRP TP405 FE TP406 TE TP409 PLCK TP412 VMCK TP411 FLGB TP502 RFO TP504 RFCT TP503 RFSB E559 DVD E591 5V E536 CD ...

Page 49: ...l cautions That is take care of the tapping screws securing molded parts and fine 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 1 REPLACEMENT OF MECHANICAL PARTS TYPE A 1 1 Cabinet Replacement 1 1 1 Top Cover 1 Remove seven screws 1 and remove the top cover 2 Fig 2 1 1 1 1 2 Tray Panel Tray Ejection 1 Inser...

Page 50: ...ist the tray panel 2 a little in the arrow A direction with the tray 1 hold by hand to release two claws and lift up the tray panel 2 in the arrow B direction then the tray panel 2 is removed 3 When mounting the tray panel 2 insert the tray panel 2 along the grooves of the both sides of the tray 1 until clicking Front panel 2 Claws Claw Flexible cable 1 Claw Fig 2 1 3 1 1 3 Front Panel 1 Remove on...

Page 51: ...emove four flexible cables 1 and remove one connector 2 4 Remove seven screws 3 and the main PC board 4 Fig 2 1 7 1 2 2 Power PC board 1 Peel off two tapes 1 and remove the connector 2 2 Remove six screws 3 and remove the power supply PC board 4 Fig 2 1 8 Connector 2 Flexible cable 1 Flexible cable 1 Tray Flexible cables 1 Screws 3 Main PC board 4 Screws 3 Twist more than 9 times Pickup head Laser...

Page 52: ...inserting the connector and flexible cables 1 Remove the front panel Refer to item 1 1 3 2 Remove three flexible cables 1 3 Remove four screws 2 and remove the mechanism chassis assembly 3 Fig 2 1 10 Pickup head Laser diode output lands Screws 2 Flexible Cable 1 Mechanism chassis assembly 3 1 2 3 Front PC Board 1 Remove the front panel Refer to item 1 1 3 2 Remove nine screws 1 and remove the fron...

Page 53: ... 1 Remove seven screws 1 and remove the top cover 2 Fig 2 1 11 2 1 2 Clamper Stay Removal 1 Remove two screws 1 2 Release two claws and remove the clamper stay 2 Fig 2 1 12 Screw 1 Top cover 2 Screws 1 Screw 1 Clamper stay 2 Screws 1 A Clamper stay 2 Claw Clamper stay 2 Claw Spring Claws OK Tray NG Spring Mechanism chassis assembly NG This part should be touched to the left side of the tray OK NG ...

Page 54: ...tray panel 4 along the grooves of the both sides of the tray 3 until clicking Mechanism chassis assembly 1 Tray 3 Front panel Screw driver Slider 2 Fig 2 1 15 2 1 4 Front Panel and Tray 1 Remove the flexible cable 1 2 Release four claws and remove the front panel 2 3 Pull out the tray 3 towards you Fig 2 1 16 Note Insert the tray 3 with the front side of the pickup mechanism assembly descended The...

Page 55: ... 1 1 Remove the top cover Refer to item 2 1 1 2 Eject the tray Refer to item 2 1 3 3 Remove four flexible cables 1 and remove one connector 2 4 Remove seven screws 3 and the main PC board 4 Fig 2 1 19 Screws 3 Twist more than 9 times Connector 2 Flexible cable 1 Tray Flexible cable 1 Flexible cables 1 Screws 3 Main PC board 4 Pickup head Laser diode output lands Confirm that the mark of the gear m...

Page 56: ...cables 1 3 Remove four screws 2 and remove the mechanism chassis assembly 3 Fig 2 1 22 Pickup head Screws 2 Mechanism chassis assembly 3 Flexible cables 1 Laser diode output lands 2 2 2 Power PC board 1 Peel off two tapes 1 and remove the connector 2 2 Remove six screws 3 and remove the power supply PC board 4 Fig 2 1 20 Connector 2 Tape 1 Power supply PC board 4 Screws 3 Screws 3 Twist more than ...

Page 57: ...ocessing be sure to include the model number and description ABBREVIATIONS 1 Integrated Circuit IC 2 Capacitor Cap Capacitance Tolerance for Nominal Capacitance more than 10pF P 100 0 Symbol Tolerance B 0 1 C 0 25 D 0 5 F 1 G 2 J 5 K 10 M 20 N 30 V 20 10 W 100 10 U 75 10 Q 30 10 T 50 10 Symbol Tolerance X 40 20 Y 150 10 Z 80 20 Ex 10MF J 10µF 5 Symbol Tolerance pF B 0 1 C 0 25 D 0 5 F 1 G 2 Ex 10p...

Page 58: ...4 2 4 EXPLODED VIEWS 4 1 Packing Assembly Fig 4 4 1 ZF20 ZF01 ZF23 SD 2550H ZF10 ZF30 ZK04 ZK01 ZK02 ZK02 ZF23 SD 2550T ZF23 SD 2550A Note The shape of the packing material is sometimes different ...

Page 59: ...4 2 Chassis Assembly Type A Fig 4 4 2 EU01 ZG64 ZG60 ZG71 ZG71 W501 BID 3 0x6 0 ZG60 BID 3 0x6 0 ZG60 BID 3 0x6 0 ZG60 BID 3 0x6 0 ZG67 ZG22 ZG20 ZG63 ZG27 ZG67 W503 W502 ZG64 EU02 ZG03 EU03 ZG01 ZG69 W603 ...

Page 60: ...m Assembly Type A Fig 4 4 3 ZG63 RM01 MP60 MP92 MP16 PAN 1 7x4 0 PAN 2 0x5 MP91 MP37 MP36 MP36 MP37 MP65 PAN 1 7x3 FM01 EU05 MP01 MP02 MD01 MC03 MC01 MC12 MC11 MC10 MC14 BID 2 6x8 W5 2P0 2D10 MC65 BID 2 6x4 0 MC63 MC33 ...

Page 61: ...4 4 Chassis Assembly Type B Fig 4 4 4 EU01 ZG64 ZG60 ZG71 ZG71 W501 BID 3 0x6 0 ZG60 BID 3 0x6 0 ZG60 BID 3 0x6 0 ZG60 BID 3 0x6 0 ZG67 ZG22 ZG20 ZG63 ZG27 ZG67 W503 W502 ZG64 EU02 ZG03 EU03 ZG01 ZG69 W603 ...

Page 62: ... 4 5 MC02 MC12 MC11 MC14 MC63 MC33 ZG63 MC01 MD01 MP60 MP92 MP16 PAN 1 7x4 0 PAN 2 0x5 MP91 MP61 PAN 2 6x15 MP37 MP36 MP36 MP37 MP65 PAN 1 7x3 FM01 EU05 MP01 MC61 BID 2 6x8 0 MC04 MC03 BID 2 6x3 5 BID 2 6x8 MC65 RM01 MP02 MC10 W6 15P0 4D10 5 ...

Page 63: ...emote Control Unit SE R0049 ZF10 79077206 Owners Manual English Chinese SD 2550A H ZF10 79077207 Owners Manual Chinese SD 2550T ZF23 79088010 Power Cord SD 2550A ZF23 79088014 Power Cord SD 2550T ZF23 79088034 Power Cord SD 2550H ZG01 79071265 Front Panel Silver ZG03 79071241 Panel Tray Silver ZG20 79073096 Cover Top Silver ZG27 79070469 Label Caution ZZ03 79080074 Kit Data Update LOCATION NUMBER ...

Page 64: ... CIRCUITS Q802 79040327 IC TA1319AP Q821 79040146 IC TA76431S TRANSISTORS Q801 79050095 Transistor FS5KM 16A Q803 79050044 Photo Coupler TLP621 Q804 79050044 Photo Coupler TLP621 Q823 79050076 Transistor 2SA1585STP Q Q824 79050077 Transistor 2SC1740STP Q Q825 79050005 Transistor 2SC2236 Y Q826 79050005 Transistor 2SC2236 Y Q827 79050077 Transistor 2SC1740STP Q Q828 79050076 Transistor 2SA1585STP Q...

Page 65: ... measurable level less than 0 001 W PEAK Operating conditions Temperature 5 C to 35 C Operation status Horizontal Outputs Video output 1 0 V p p 75 Ω negative sync pin jack x 1 S video output Y 1 0 V p p 75 Ω negative sync Mini DIN 4 pin x 1 C 0 3 V p p 75 Ω Component video output Y 1 0 V p p 75 Ω negative sync pin jack x 1 PB PR 0 7 V p p 75 Ω pin jack x 2 Audio output BITSTREAM PCM Optical conne...

Page 66: ......

Page 67: ...DVD VIDEO PLAYER SERVICE MANUAL Jun 2002 S FILE NO 810 200207 SD 2550A SD 2550H SD 2550T ...

Page 68: ...3 1 SECTION 3 SERVICING DIAGRAMS 1 STANDING PC BOARDS FOR SERVICING Fig 3 1 1 SECTION 3 SERVICING DIAGRAMS EU01 Main PC board EU02 Power supply PC board EU03 Front display PC board ...

Page 69: ...gram Tolerance 1 Ceramic plastic and film capacitors of which capacitance are more than 10 pF None 5 or more B 0 1 C 0 25 D 0 5 F 1 G 2 2 Ceramic plastic and film capacitors of which capacitance are 10 pF or less None more than 5 pF B 0 1 pF C 0 25 pF 3 Electrolytic Trimmer Tolerance is not described Temperature characteristic None SL Ceramic capacitor For others temperature characteristics are de...

Page 70: ...veforms for CD DVD and RF shown in the circuit diagrams are obtained when a test disc is played back All voltage values except the waveforms are expressed in DC and measured by a digital voltmeter 2 6 Others The parts indicated with NC or KETU etc are not used in the circuits of this model Eg 4 Eg 5 Fig 3 2 4 Fig 3 2 5 Type name 10m Type Tolerance ...

Page 71: ...4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 6 5 4 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 16P 10P 6P Press fit W501 FFC 1mm 23P W502 FFC 1 25mm 6P W503 FFC 1mm 8P W102 WIRE 2mm AWG26 2651 4P PUH TRAY MOTOR CN501 CN502 CN503 CN701 CN101 CN603 CN102 CN105 CN801 Board in CN601 EU02 POWER EU04 POWER SW ENTER SW EU03 FRONT EU01 MAIN Mechanism F F VKK 31V GND ...

Page 72: ...Data Audio LPF Amplifire Analog Audio Out Optical Audio Out Audio DAC 27MHz Xtal OSC SW POWER SUPPLY FRONT DISPLAY UNIT MAIN PROCESSOR UNIT IC502 TA1323F X601 IC503 BA5813FM E2 IC601 S 24C04BFJ TB IC603 M11B11664A 30T IC305 306 HY57V161610DTC 8 IC606 MBM29F800BA 55PFTN IC605 TMP94C251AF IC402 M11B11664A 30T IC401 TC94A03F IC301 ZR36732 IC101 TMP87CK74AFG 3PV7 IC901 AD1958 IC912 NJM4580E IC304 MM15...

Page 73: ... P14 P15 P16 P17 P18 a f h j k b g s m e r p n c d a f h j k b g s m e r p n c d a f h j k b g s m e r p n c d a f h j k b g s m e r p n c d a f h j k b g s m e r p n c d a f h j k b g s m e r p n c d 8G 7G 6G col2 col1 5G 4G 3G 2G 1G 4 3 Front Display Power Switch Block Diagram 4 3 1 Front Display Fig 3 4 3 4 3 2 Front Display Pattern Fig 3 4 4 3 7 3 8 ...

Page 74: ...1V F F CN603 CN101 DSTBX DSPCKX DSPSIO M D DSPRSTX DSPSIO D M 8 5 7 6 CN101 9 6 9 7 8 5 CN603 EVER 5V EVER 5V TRANSFER SERIAL FLIP DRIVE DISPLAY MEMORY 112byte PROCESS KEY Vdd VASS F F G1 G2 G3 G4 G5 G6 G7 S18 S17 S16 S15 S14 S13 S12 S11S10 S9 IC101 TMP87CH74AFG 3KB2 29 G8 70 G8 33 KEY IN 3 8 KIN0 PLAY E 5V 4 GND 10 PLAYK TRAY KEY 1 CLOSE OPEN 62 63 64 65 66 67 68 69 S8 S7 S6 S5 S4 S3 S2 S1 VIN0 1...

Page 75: ...m Q502 Q501 PUDET2 IC605 Fig 3 4 6 4 4 Main Block Diagrams 4 4 1 Servo System Block Diagram 3 11 3 12 ...

Page 76: ... SDRAM 62 65 67 69 73 72 71 VOUT 27 COUT 25 YOUT1 23 YOUT2 20 CBOUT 18 CROUT CIN VIN YIN1 BCK LRCK SDATA VOUTL ABCLK ALRCLK SPDIF AOUT 0 VOUTR CBIN CRIN 16 2 4 6 14 16 106 152 153 154 155 156 157 158 159 150 149 148 147 105 103 102 70 CBOUT CROUT COUT YOUT J301 PR PB Y COMPOSITE VIDEO Lch OUT Rch OUT DIGITAL OUT COAXIAL C Y S TERMINAL 2 1 6 7 IC912 NJM4580E IC901 TC7SU04F IC902 TC7WU04F IC914 TOTX...

Page 77: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 1 5 CIRCUIT DIAGRAMS 5 1 Power Supply Circuit Diagram 3 15 3 16 ...

Page 78: ...3 17 Fig 3 5 2 1 Q802 Drain Sourse 2 Q802 Gate Sourse ON MODE AC230V 50Hz in ON MODE AC230V 50Hz in V 100 V div H 2 ms div C 4 V 5 V div H 2 ms div C 3 Power Supply Circuit Diagram ...

Page 79: ...div H 5 ms div V 2 V div H 100 ms div V 10 V div H 500 ms div V 10 V div H 500 ms div IC101 Pin 1 IC101 Pin 2 IC101 Pin 3 IC101 Pin 4 IC101 Pin 7 IC101 Pin 6 IC101 Pin 5 V 2 V div H 100 ns div 3 9 15 16 69 77 17 Fig 3 5 3 5 2 Front Display Power Switch Circuit Diagram ...

Page 80: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F 7 6 1 2 3 4 5 EU03 FRONT Fig 3 5 4 Front Display Power Switch Circuit Diagram 3 19 3 20 ...

Page 81: ...utput 27 MHZ Crystal Oscillator External Clock Input PLL Power Supply Connect to PLL 5V supply PLL Ground PLL0 loop filter PLL1 loop filter Analog Ground Right Channel Positive line level analog output Voltage Reference Filter Capacitor connection Bypass and decouple the voltage reference with parallel 10µF and 0 1µF capacitors to AGND Analog Ground Left Channel line level analog output Analog Pow...

Page 82: ... P07 D0 D7 P10 P17 D8 D15 P40 P47 A0 A7 P50 P57 A8 A15 P60 P67 A16 A23 P70 RD P71 WRL P72 WRH P73 P74 P75 BUSRQ P76 BUSAK P80 CS0 Table 3 5 4 TMP94C251AF Z 2 5 Pin No 59 58 57 56 55 29 49 50 51 52 53 44 45 Function Port 81 Output initialized to 1 output Chip select 1 Develops L level when the address is within the assigned address area Low address strobe 0 Develops RAS strobe signal for DRAM when ...

Page 83: ...is possible 0 Serial clock I O 0 Name PB2 PB3 PB4 WE1 PC0 TO1 TO7 PC1 TO3 TOB PD0 TO4 PD1 TI4 INT4 PD2 TI5 INT5 PD4 TO6 PD5 TI6 INT6 PD6 TI7 INT7 PE0 TO8 PE1 TI8 INT8 PE2 TI9 INT9 PE4 TOA PE5 TIA INTA PE6 TIB INTB PF0 TXD0 PF1 RXD0 PF2 CTS0 SCLK0 Table 3 5 4 TMP94C251AF Z 4 5 Pin No 24 25 26 131 138 3 4 126 127 128 129 125 117 124 28 42 30 40 32 33 31 38 39 41 139 140 1 2 Function Port F4 I O port...

Page 84: ...set modification will be available Sets the device so that m s bite is entered developed by HD 15 8 at low level GNDP and m s bite is done by HD 7 0 at high level VDDP Connects to GNDP when HWID is at GND level Determines protocol of the host bus Only during reset modification will be available Sets the device to type A at low level GNDP and type B at high level VDDP 8 l s of the host data bus Whe...

Page 85: ...R signal is developed At YUV V signal is developed At CVBS C signal is developed At RGB B signal is developed At YUV U signal is developed Develops either of CVBS or C signal Insert a resistor load for DAC gain adjustment between GND and DAC Name HRDY HIRQ HACK GPIO GPSI GPSO GCLK GCLK1 XO PLLCFG 1 0 CVBS G Y DAC A Y R V DAC B C B U DAC C CVBS C DAC D RSET GPI O signal 3 pins Analog video port 7 p...

Page 86: ...E SCNENBL TESTMODE ICEMODE GNDP VDDP TEST signal 3 pins SDRAM interface 35 pins Power supply signal 49 pins Pin No 68 70 72 74 76 78 79 81 82 84 85 87 88 90 91 41 42 43 45 48 50 51 53 55 60 61 66 64 57 59 62 125 129 112 10 40 49 56 65 69 80 86 97 128 146 3 16 26 38 44 52 58 67 71 77 83 89 94 98 126 135 140 Table 3 5 5 ZR36732 5 5 Pin No 19 99 132 130 14 35 73 114 144 63 12 33 116 142 123 121 104 1...

Page 87: ...r Component output 75W terminated 100 color bar Play D 7 V 500 mV div H 20 ms div L ch output R ch output V 500 mV div H 20 ms div E 7 E 7 2 J301 3 J301 Y PB PR output a Y Y PB PR b C V 500 mV div H 20 ms div a S video output Y b S video output C J301 L ch output R ch output 1 kHz FS 5 V 500 mV div H 0 1 ms div 75W terminated D 7 J301 COAXIAL DIGITAL OUTPUT Fig 3 5 5 ...

Page 88: ...5 3 2 Main Circuit Diagram Fig 3 5 6 3 29 3 30 3 31 3 32 ...

Page 89: ...5 3 2 Main Circuit Diagram ...

Page 90: ...agram ...

Page 91: ......

Page 92: ......

Page 93: ......

Page 94: ...3 29 ...

Page 95: ...3 29 3 30 ...

Page 96: ...3 30 3 ...

Page 97: ...3 31 ...

Page 98: ...Fig 3 5 6 3 32 ...

Page 99: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F 5 4 Motor System Circuit Diagram Fig 3 5 7 3 33 3 34 ...

Page 100: ...4 C827 B4 C828 B5 C829 A5 C830 B5 C831 A5 C832 B4 C833 B4 C834 B5 C835 A4 C836 B4 CN801 B4 CN803 B4 D803 B2 D805 A2 D806 B2 D807 B2 D808 B2 D821 A4 D822 A4 D823 A3 D824 A4 D825 B3 D826 A5 D827 B4 D828 B4 D829 A4 D830 A5 D831 B4 D832 B4 D833 B4 D834 B4 D835 A5 D836 B4 D837 B5 D838 A5 D839 B5 F801 A1 L801 A2 P802 A1 Part Loca No tion Part Loca No tion Q801 A2 Q802 B2 Q803 B3 Q804 B3 Q821 B4 Q823 A4 ...

Page 101: ... No tion FG103 B3 FG104 C2 FG105 B7 FG106 C7 IC101 D3 JW01 B9 JW02 B9 JW03 B9 JW04 C9 JW05 B9 JW06 B8 JW07 B8 JW08 B8 JW09 B8 JW10 B8 JW11 B8 JW12 B7 JW13 B4 JW14 B2 JW15 B2 JW16 B2 JW17 B1 JW18 B8 Part Loca No tion 3 37 3 38 JW19 C3 JW20 B9 MT101 C2 Q181 D1 Q182 D1 R105 D10 R106 D10 R107 D10 R108 D10 R109 D10 R110 D10 R112 C9 R113 D9 R114 D9 R115 D8 R117 D1 R118 D1 R119 D1 R120 D4 R129 D3 R130 D3...

Page 102: ...301 IC302 IC304 IC401 IC501 IC502 IC503 IC601 IC604 IC605 IC606 IC607 IC608 IC611 IC901 IC902 IC912 IC914 IC915 J301 JP701 JX01 L302 L901 Q301 Q304 Q401 Q501 Q502 Q503 Q504 Q505 Q902 Q909 Q910 Q913 Q914 R301 R305 R307 R316 R317 R318 R319 R320 R321 R322 R323 R324 R326 R328 R329 R332 R334 R335 R336 R338 R402 R405 R410 R411 R 415 R416 R417 R419 R420 R421 R422 R425 R427 R429 R431 R433 R434 R435 R437 R...

Page 103: ... A1 IC915 B2 J301 A1 JP701 B1 JX01 A3 L302 C3 L901 A1 Q301 B2 Q304 B2 Q401 C2 Q501 C1 Q502 D1 Q503 D1 Q504 D1 Q505 D1 Q902 A1 Q909 A1 Q910 A2 Q913 A1 Q914 A1 R301 B2 R305 B2 R307 B2 R316 B2 R317 B2 R318 B2 R319 B2 R320 B2 R321 A3 R322 A3 R323 A3 R324 A3 R326 A3 R328 B2 R329 A2 R332 A2 R334 A2 R335 A2 R336 A2 R338 B2 R402 C2 R405 C1 R410 C1 R411 C1 R415 C1 R416 C1 R417 C1 R419 C1 R420 C1 R421 C1 R4...

Page 104: ...03 B1 Q306 B1 Q307 B1 Q530 D3 Q601 C1 Q602 C1 Q603 D1 Q604 D1 Q901 A3 Q903 A3 Q904 A3 Q906 A3 QY01 B1 QY02 B1 R302 B1 R303 B1 R304 B2 R306 B2 R308 B1 R309 B2 R310 D1 R311 B1 R312 B1 R313 B2 R314 B1 R315 B1 R325 C1 R327 C1 R333 B1 R401 C3 R403 C3 R406 C3 R407 B3 R409 C3 R412 C3 R413 C3 R414 C3 R418 B3 R423 C3 R424 C3 R426 B3 R428 B3 R430 B3 R432 B3 R436 B3 R438 B3 R442 B3 R443 B3 R450 B2 R451 C2 R4...

Page 105: ... D301 D302 D303 D304 F MARK3 F MARK4 IC305 IC306 IC402 IC530 IC602 IC603 IC903 IC907 Q302 Q303 Q306 Q307 Q530 Q601 Q602 Q603 Q604 Q901 Q903 Q904 Q906 QY01 QY02 R302 R303 R304 R306 R308 R309 R310 R311 R312 R313 R314 R315 R325 R327 R333 R401 R403 R406 R407 R409 R412 R413 R414 R418 R423 R424 R426 R428 R430 R432 R436 R438 R442 R443 R450 R451 R454 R502 R503 R504 R514 R515 R516 R517 R518 R519 R520 R521 ...

Page 106: ...IC401 IC501 IC502 IC503 IC601 IC604 IC605 IC606 IC607 IC608 IC611 IC901 IC902 IC912 IC914 IC915 J301 JP701 JX01 L302 L901 Q301 Q304 Q401 Q501 Q502 Q503 Q504 Q505 Q902 Q909 Q910 Q913 Q914 R301 R305 R307 R316 R317 R318 R319 R320 R321 R322 R323 R324 R326 R328 R329 R332 R334 R335 R336 R338 R402 R405 R410 R411 R 415 R416 R417 R419 R420 R421 R422 R425 R427 R429 R431 R433 R434 R435 R437 R439 R440 R444 R4...

Page 107: ...2 D303 D304 F MARK3 F MARK4 IC305 IC306 IC402 IC530 IC602 IC603 IC903 IC907 Q302 Q303 Q306 Q307 Q530 Q601 Q602 Q603 Q604 Q901 Q903 Q904 Q906 QY01 QY02 R302 R303 R304 R306 R308 R309 R310 R311 R312 R313 R314 R315 R325 R327 R333 R401 R403 R406 R407 R409 R412 R413 R414 R418 R423 R424 R426 R428 R430 R432 R436 R438 R442 R443 R450 R451 R454 R502 R503 R504 R514 R515 R516 R517 R518 R519 R520 R521 R525 R528...

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