Service Manual - AD Electronics
Contents
1. V18 RFV18 2 R8 R10 C74 E8 150K NC R9 DQJO 15 150k C5 680k NC 0 1uF 10uF 16v R11 100k ILLA papas 4 2200pF N MAJO 11 gt gt MA O 11 i V1P4 IAap Y1 R12 R NC SERVO RF De XI XO DOMO 1 gt gt DOM O 1 4 CH V20 V1P4 s DV33 SP SP A BAJO 11 O SP C22 C23 DV33 89L 3V3 C6 27MHz C7 gt gt BAJO 1 4 R14 10k LIMIT E9 E10 22pF 22pF DCLK o 0 1uF 47uF 10v 0 1uF 47uF 10v RASH FER a SL DV33 CASH Geen SL VIER WE 4 6x1 WHOUSING 7 i RF Reference SS DRAM I F E 3 6800pF 220uF 10v o SF Ck 3 d E 2S eee d Te SE DI Car DI S Of m Sk DO XSF DO 4 Q w E 220p 8 S FLASH o ES a ADVCM 10uF 10v C83 2 o e OP R144 ONG 1389 OP d E D34 2 o AR E AR 5 BAT54C OPO RIAR 0 1389 OP C73 0 1uF 1 7 o NYKEY GPIO AL AL E OPO R146 ONC FG ALF ARF 2 i o a 5 m ARS ME dE Slo x mlol l le ALS ALS 3 I gt ajsje 1 ala 5 OI 9 lao JO III gt IPINQ gt gt gt SS R22 S DAS ajaloo gjeja o T 5 lt lt lt lt lt lt a ala SES LL DR 2 s o o Alalo 560 89L 3V3 V18 AUDIO I F 89L 3V3 o CVBS_OUT C75 C76 C77 C78 C79 cso ANIJE IAG Gigs 9a4n59449959am VR CYBSLOUT of U5 sek V B UL 5 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF z r oeow oo zoeoorzeaaaoaasoseormox VG VG 6 2235588122000 805202022 a VIDEO I F S 655 8980 949 002292522 S gt gt o ERT re 20 92 o c e y SouZZEL SOS E RS 232 r9z Jaaa QZZI 2322. MPEG4 PLAYER CO 285 Service Manual CONTENTS 1 PRECAUTIONS rr rrr rre eL rre Le T Tre LL T eee Lon 1 1 1 SAFETY PRECAUTIONS 1 1 2 SERVICING PRECAUTIONS eee sco oe 2 1 2 1 General Serving Precautions 2 1 2 2 Insulation Checking Procedure 3 1 3 ESD PRECAUTIONS 3 2 REFERENCE INFORMATION rr re rrr eL Lr rre LL Tree ss ss 4 See ege Te Tel 4 2 1 1 HITACH 1200X 1 SAMSUNG DL6 4 2 1 2 DVD Processor Chip MTKI389L 6 2 1 3 FLASH MEMORY EN25B80 18 2 1 4 512K X 16 Bit X 2 Banks Synchronous DRAM A43L0616 20 3 PRODUCT SPECIFICATIONS
3. TB yny 3 Chip D C Ge SOS op VREF _ C16 0 tuF TROPEN c 1p ecap B RFA ER zo VREF as DACVDD3 TRCLOSE na TROPEN 3 nage 9 QC MAU P e RFB SOS DACVDDC oo GROT TEN TRCLOSE 3 RFC mem 4x1 W HOUSING D 4 BES a 5 a Ee Default F RED T S GPI012 Taz SET E 6 sa or SEET Eco 2 REVI82 Ra oe AVDD18 D DVDD18 20 OV18 3 PIO9 R15 RFVDD3 al lt lt vend a9 T GPIOS 3 2 XTALI GPIO8 H8 BIOS 3 XTALO GPIO7 CKE 8 TEE 3 AGND 86 3 1 v20 Ee Pag MA PIO10 R16 V1P4 13 84 24 V14 1 3 8 9 d SP 3 Fes Rer 13k RA REXT MT L K jeg MAT FOSO FOSO 3 MDI1 15 MDI a2 MA TRSO TRSO 3 MD2 18 MBI LOFP 128 81 MAO FMSO p 89L 3V3 LDO1 mera Q Cen I BA1 DMSO busa LDO2 18 9 AVDD33 49 pec Desktop 78 BAO V1P4 gt VIPA AVCC E m DMO Lan DMO V1 0 RASH 7z BAS 21 fmo CASH 28 SERVO I F 1 R19 100k R20 10k 25 Lz5 ll ver 4 7uF 10v TRAY_OPEN RWE 2 DE ets Y OPEN NER 74 MA 3 MDM MDI2 TRO eni S bn 73 MA5 4 Q3 y FOG I o TRO RAS 72 Mas URST duer 5 c c R21 10k IOA ro L 26 EG 7GPIO2 Raz MA 6 pra 89L 3V3 C97 USB DP 27 ns DP RAT 70 Mas AVCC KAVCC 7 CD DVD SW 2N3904 Q 1uF USB DM 281 USB DM RA9 eo MA9 i e mr USB V33 29 USB Ce TJ AKINI au e 9 a a 30 ee Enn EB I MA11 B b G il R30 5 1k Cal YSB es DCLK F s 1 V180 USB VIS so en vie Cos Davi GND PD 4 R23 100k 1 3 C31 USB VI
4. Side side amp double side Side side amp double double AUDIO layer VIDEO ech About 4hrs Double side amp Single side Double side amp Single Single layer About 8hrs Double sido amp double side Double sido amp double double layer CD DA AUDIO 12CM About 74 minutes AUDIO 12CM About 300 minutes Discs types This DVD player can play the following types of discs Discs other than listed above cannot be player by this player This player uses NTSC PAL color system It cannot play a recorded with other systems such as Region code The region code for this player is 4 which indicates the applicable The disc with code number other than 5 cannot be player on this player and screen will indicate the unconformity Copyright According to the related law DVD discs without proper authorization are not allowed to be copied broadcast cable broadcast played publicly or rented As DVD discs are anti piracy the copied content is distorted TV system Connect this player to a PAL NTSC compatible TV 24 Problems and Solutions If a fault occurs first check the points listed below before taking the set for repair If you are unable to remedy a problem by following these hints consult your dealer or service centre WARNING Under no circumstances should you try to repair the set yourself as this would invalidate the guarantee Problems Cause No power indication Solution Power p
5. means REGION FREE 4 Press PLAY ENTER button to save the change 5 And then press SETUP button to exit FOR 1389L 93 5 Operating Instruction Please refer to the User s Manual for the operating instruction of the system Maintenance amp Troubleshooting How to handle discs To handle clean and protect discs e Do not touch the playing side of a disc Playing sida e c not stick any paper or glue strip on a ISC p How to clean discs e Finger prints and dust on surface can affect the sound and picture quality Clean discs regularly with a soft cotton cloth from disc center to outside w5 de e For sticky dust wipe it with wet cloth and with dry cloth Any kind of solvent such as diluting agent gasoline liquid detergent gasoline liquid detergent anti static aerosol used for vinylon LP may cause disc damage How to protect discs e Keep away from the direct sunshine or any heat source e Do not put discs in damp or dirty places such as bathroom or near humidifiers otore discs vertically in disc box and store in a dry place Piling discs on to top of each other or excess weight load on disc box may cause the disc to warp Disc Compatibility e Some DVD discs may have special requirements for playing with which this player may not be compatible Please refer to specifications on individual disc DISC TYPE Size Total Play time About 2hrs Single side amp single layer About 4hrs
6. to the blades of the attachment plug The insulation resistance between each blade of the 1 3 ESD Precautions Electrostatically Sensitive Devices ESD Some semiconductor solid static electricity devices can be damaged easily by static electricity Such compo9nents commonly are called Electrostatically Sensitive Devices ESD Examples of typical ESD devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques of component damage caused by static electricity 1 immediately before handling any semiconductor components or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed for potential shock reasons prior to applying power to the unit under test 2 after removing an electrical assembly equipped with ESD devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ESD device 4 Use only an anti static solder removal devices attachment plug and accessible conductive parts see note should be more than 1 Megohm Note Accessible conductive parts include metal panels input terminals earphone jacks etc Some solder removal devices not
7. 1 5 Internal Pull Up GPIO9 MS DO set A SD CMD set A InOut ASDAIAI 4mA PU ABCK 16 InOut GPIO 10 4mA PD InOut GPIOII 4mA PD InOut GPIO12 2mA PD InOut GPIO13 4mA PD Note GPIO10 SD_CLK set B SD DO set A ASDATAO ALRCK HSYN VSYN output C3 IXDI GPIOI1 SD CMD set B MS BS set B Audio Mute HSYN VSYN output C4 Microcontroller port 3 0 Internal Pull Up 1 SPDIF output 2 GPIOI2 GPIO13 SD DO set B ALRCK Audio Mute YUVCLK 1 The Main column is the main function Alt means alternative function 2 The multi function GPIO pins are set to green characters 2 1 3 FLASH MEMORY EN25B80 GENERAL DESCRIPTION The EN25B80 is a 8M bit 1024K byte Serial Flash memory with advanced write protection mechanisms accessed by a high speed SPI compatible bus The memory can be programmed 1 to 256 bytes at a time using the Page Program instruction The EN25B80 has twenty sectors including fifteen sectors of 64KB one sector of 32KB one sector of 16KB one sector of 8KB and two sectors of 4KB This device is designed to allow either single Sector at a time or full chip erase operation The EN25B80 can protect boot code stored in the small sectors for either bottom or top boot configurations The device can sustain a minimum of 100K program erase cycles on each sector Figure 1 CONNECTION DIAGRAMS 8 LEAD SOP 8 CONTACT VDFN Figure 2 BLOCK DIAGRAM FUNCTIONAL BLOCK DI
8. GPIO List CN3 AVGG NY AVCC 26 Features POWER I F AVCC AVCC P3 2 54 FB 3P 2 54 E4 GPIO7 VSDA 47uF 10v C4 P12V GPIO2 GPIO8 TRCLOSE GPIO9 89 RXD FS1 HSYNCil GPIO12 ASPDIF 0 1uF H re AAA O POUR BI NUN AA GPIOK1 28 Only for 89K S3 S4 S35MM 90 S44MM P12V R131 20K AM5888 2 MES A AM5888_3 e a vcc AM5888 5 AMSB88 5 SS AM58BB 5 3 AM5888_25 SS AM5888 25 3 VREF 4558 Q401 12V O O R1 R133 12K R132 6 8RMW 2 2R 1W em Q406 2N3904 Esa y 47uF 16v 100uF 16v i AM5888_25 0404 AM5888_2 0402 PV33 a AM5888_3 2SC8550D DIP AM5888_5 2SC8550D DIP DV33 RESET Circuit DV33 V18 C11 R5 C14 E22 20K 220uF 16V 0 1uF 0 1uF 220uF 16V D1 1N4148 10K ne 12K E3 S2 MountHole S1 MountHole FOR AM5888 10uF 16v CE47UF16V D P P2 0 D5H11 0 1uF OSMI D289 MPEG INDEX gt Mil ET LE al J1 CON6 45V R3 33R E1 47U 10V I U2 REMOTE VCC GND O IR SET C1 104 5V gt R2 33R R4 10K R5 R6 10K 10K SW1 S2 SW1 O 1 O 1 Ut seg1 ks1 seg2 ks2 seg3 ks3 seg4 ks4 seg12 gird7 seg5 ks5 seg10 ks10 seg6 ks6 seg9 ks9 seg7 ks7 seg8 ks8 D1 a 1N4148 wu D3 KK itle Title ize Document Number B Doc Date Monday June 04 2007 OpbTODPUUDUGOSbod Code gt Pl Power V3 1 sch 1 Wed Apr
9. remote control unit at the remote control sensor and goperate Remove the obstacles between the remote control unit and remote control sensor Set the POWER button to OFF and then back to ON No button operation Alternatively turn off the power disconnect the power plug and hen reconnect it If the audio soundtrack and or subtitle language does not exist on Audio soundtrack and or Subtitlethe disc the language selected at the initial settings will not be language is not the one you selected This function is dependent on software availability Even if a disc No Angle change has a number of angles recorded these angles may be recorded or specific scenes only No operations can be performe with the remote controller BOT 9 Block Diagram POWER PCB ID FRONT PCB MAIN PCB VIDEO D A ENCODER CONVERTER LOADER AN DECODER amp MAIN CPU Og MATRIX nn 28 9 Circuit Diagrams 5 4 3 2 1 SDRAM Dual Layout MO iL DQMI0 1 2 N EU lt BA 0 1 2 DCLK DCLK 2 SDCKE B CASH 2 WE 2 A10 AP A11 BAO A13 BA1 A12 C401 closed to SDRAM B CLK CKE CS DOLK R46 33R SDCLK 9 3 O YO ITS SO RA BAO DBAO S A gt CAS BA1 DBA1 WE NO NO INO ND DOML DOMH NC NC ESMT M12L16161A 7 VSS ESMT M12L64164A N C DV33 SD33 C70 100uF 10v 0 1uF CE VDD SO HOLD WP SCK VSS SI SST25VF
10. rrr err roe SS LT Ln 22 4 UPGRADING SYSTEM AND CHANGING THE REGION CODE 23 5 OPERATING INSTRUCTION rr err rre rr Lr rer LT re ss ss e 24 MAINTENANCE amp TROUBLESHOOTIN Ge es d ss e e dde tdo els 24 6 DISASSEMBLY AND REASSEMBLY EEN 26 7 TROUBLESHOOTING rr SS SS SS SS SS SS ss nnceees 27 8 BLOCK DIAGRAM SS rrr rre rer Tee LL T ee eT Toe SS ss 28 9 CIRCUIT DIAGRAMS rrr rer Lr rer eL rre SS SS on 29 TT A D 37 1 PRECAUTIONS 1 1 Safety Precautions 1 Before returning an instrument to the customer always make a safety check of the entire instrument including but not limited to the following items 1 Be sure that no built in protective devices are defective or have been defeated during servicing 1 Protective shields are provided to protect both the technician and the customer Correctly replace al missing protective shields including any remove for servicing convenience 2 When reinstalling the chassis and or other assembly in the cabinet be sure to put back in place all protective devices including but not limited to nonmetallic control knobs insulating fish papers adjustment and compartment covers shields and isolation res
11. 040B 512KB NexFlash 25P16S1 HU ml FRAZE H H Hj 2007 01 29 L22 L6 FB VG G Y OUT R104 C83 75 19b 100pF DIODE SMD BAV99 L23 L4 FB CVBS_OUT R105 751 DIODE SMD BAV99 L24 L7 FB Q DIODE SMD BAV99 L25 L9 FB VB B U OUT R107 C85 75 1 100pF DIODE SMD BAV99 SCART CONTROL 4 7K R143 2 2k RGB CVBS ASPECT Q11 2N3904 OS ee CVBS OUT 2 VR 2 VB 2 VG 2 VIDEO I F AVCC D Avec 12 POWER E SH LCH SH OO I RCH VSYNCH NVSYNGE HSYNCH Y HSYNCH CN9 VSYNCH VENNE YNCA Hs gt Ns B U OUT 6x1 W HOUSING C B U OUT S gt SPDIF 5 JK2 RCA AV9 G Y OUT B U OUT OSMI D289 MPEG INDEX Ui EME UE H H 2007 01 29 AL AR ALS ARS ALF ARF R57 31k E24 a E43 R59 680R L10 10k 10uF 16v C40 NJM4558 OPA 10uF 16v 1000pF 12V Q14 2N3904 R60 R62 31k MUTE1 E26 E44 R64 680R L11 10k 10uF 16v NJM4558 OPA 10uF 16v 1000pF 12V Q15 2N3904 R67 31k E32 E45 R69 680R L13 10k 10uF 16v NJM4558 OPA 10uF 16v 1000pF 12V Q17 2N3904 E35 E46 R74 680R L14 10k 10uF 16v NJM4558 OPA 10uF 16v 1000pF o 12V Q19 2N3904 R65 MUTE1 E36 E47 R79 680R L15 10uF 16v NJM4558 OPA 10uF 16v 1000pF o 12V Q20 2N3904 R84 E39 R83 E48 R86 680R L18 10k 10uF 16v NJM4558 OPA 10uF 16v C51 1000pF o 12V Q21 2N3904 FB LCH C86 100pF 680R A M
12. 18 15 53 58 2007 CY1 222NF 275VAC 8 T1 JC0021 EE19 Lo 1 2 C3 1KV102 Li 2 2mH 7 o ll e I I IN4007 Ll 1 4W150K C 10 1A250V C1 400V10UF 400V10UF O A CONI O o2 CON2 R3 1 6W22E D3 IN4007 Ut TNY275PN C4 10U50V PDF created with pdfFactory Pro trial version www pdffactory com 3 2 1 LTR DATE L 7 Jd 3j pu 1 1 JD CONS CON3P 2 5 12V 12V 1 PBV D8 IN4148 Cp T 16V100UF UF e C D7 10UH re 5V HER303 C6 C7 10U1000UF 10V470UF R5 1 6W100E I R9 R6 INEA dioit 1 6W5 K cS R4 1 6W1K 50V0 1UF B 2 R7 1 6W5 1K COMPANY TITLE DRAWN DATED CHECKED DATED Sone ar QUALITY CONTROL DATED RELEASED DATED SCALE SHEET OF gt DRAWING NO REV 10 Wiring Diagram Output Output LO to Amplifier TV SS AV Output Board Transformer MPEG Board Loader 18 on the MPEG board Control Stream Front Panel ET
13. AGRAM X Dacoder EEE VO Buffers Control Logic Serial Interface CSF CLK DI DO WP HOLD SIGNAL DESGRIPTION 18 Serial Data Input DI PIN Names The SPI Serial Data Input DI pin provides a means for instructions addresses and data to be serially written to shifted into the device Data IS latched on CLK Serial Clock Input the rising edge of the Serial Clock CLK input pin Doo Serial Data Input Serial Data Output DO po EE The SPI Serial Data Output DO pin provides a means ih FON for data and status to be serially read from shifted out CSH Chip Enable of the device Data is shifted out on the falling edge of the Serial Clock CLK input pin Write Protect Serial Clock CLK HOLDE Hon The SPI Serial Clock Input CLK pin provides the Supply Voltage 2 7 3 6V timing for serial input and output operations See SPI Mode Chip Select CS The SPI Chip Select CS pin enables and disables device operation When CS is high the device is deselected and the Serial Data Output DO pin is at high impedance When deselected the devices power consumption will be at standby levels unless an internal erase program or status register cycle is in progress When CS7 is brought low the device will be selected power consumption will increase to active levels and instructions can be written to and data read from the device After power up CS must transition from high to low before a new instruction will be accepted Hol
14. C circuitry AVDDIS 1 Analog 1 8V power AGNDIS Analog Ground Analog Ground General Power Ground 7 DVDDIS o Power 1 8V power pin for internal digital circuitry 50 68 84 DVDD33 1 8V Ground pin for internal digital circuitry 3 3V power pin for internal digital circuitry Ground 3 3V Ground pin for internal digital circuitry Micro Controller Flash Interface and GPIO 12 InOut General purpose IO 3 GPIO3 INT 8mA SR Microcontroller port 3 1 Microcontroller external interrupt 1 PU SMT InOut General purpose IO 4 4mA PD Microcontroller port 3 4 Internal Pull Up 12 InOut 4mA PD InOut 8mA SR PU SMT InOut 8mA SR PD SMT InOut 8mA SR PU SMT InOut 8mA SR PD SMT InOut 4mA SR PU SMT InOut 4mA SR PU SMT Input PD SMT Input PU SMT Input 1 General purpose IO 6 2 Microcontroller port 3 5 Internal Pull Up Serial Flash Chip Select Serial Flash Dout Serial Flash Din Serial Flash Clock Microcontroller port 1 6 Fc clock pin Microcontroller port 1 7 I C data pin Microcontroller ICE mode enable Power on reset input active low IR control signal input Dram Interface 37 Sorted by position InOut 4mA DRAM data O SES m ow o o Jos TT InOut 46 RDI DRAM data 1 4mA InOut A7 RD2 DRAM data 2 4mA InOut 48 RD3 DRAM data 3 4mA InOut 49 RD4 DRAM data 4 4mA InOut 51 RDS DRAM data 5 AmA InOut 32 RD6 DRAM data 6 4mA InOut DRAM da
15. G k as Ve Vref Lal n 2SK3018 2N3904 zZ oo Vcc 2SB1132 1u ET gt E Ei 2SK3018 88888557 NC Q4 L12 AVCC TA Aaa A a M 2SK3018 FB O 00000003222053 si o og odi o Si e og 7 o Si e og 7 o Si MTI 389L K SMD S SS GJ S SS 33333 LOFP128 SMD C17 E14 0 1uF 100uF 10v AN gt co st o w O x lt o r a SANYO HD6x 30pF B30pF D 1uF 0 015uF Sao Y gallas islets Slalalalo SOS V1P4 ojo Stal maa ajajajalaj aaaa LD DVD EE Very Important to d rex o O ico M SSC AVCC1 AUDIO_MUTE NYAUDIO MUTE 0 MDH 9 LD CD is GPIO20 ADVCM GPIO21 AKIN1 DE ysppir 5 GPIO3 TROUT DV33 DV33 DV33 GPIO4 56 FSO Sen SH O O O GPIO6 TROPEN FS1 a 6 E16 GPIO13 TRIN RFV33 VSYNCH i ER user 3 47uF10v REV33 GPIO8 TRCLOSE m GPIO1Q R153 ONC Fer T E17 F R154 0 NC VSYNCH E ATuF v LDO1 STB GPIO11 R155 O NC ren Rar 9 gt STB E STB AUDIO MUTE HEADER 24 SMDO 5 TOP R156 ONC HSYNC SS OSMI D289 MPEG INDEX GD 7x1 WIHOUSING JUL 141 E T ZE Fit At DIP7 H H 2007 01 29 5 4 3 2 1 COMMON1389L K HD65 V1 0 Desktop Model MT1389L K LQFP128 DVD TEST Board w Sanyo HD6x Series PUHs History Date me vi The original released 2006 1 29 Base on 3 SYHI89LSD1 V10 DSN EU or ae MIC USB Only for MTISBoL MT1389L K LOFP128 MIC USB Only for MT1389L NI MOTOR DRV B SDRAM amp FLASH AUDIO I F VIDEO I F URSTH NY URSTH 2 USB MT1389L K General
16. UTE FB RCH C87 100pF Ii FB LSCH c91 100pF FB RSCH C88 100pF 680R A MUTE FB CENT C89 100pF FB C90 100pF SUB 12V MIC INPUT CN6 4x1 W HOUSING NC Only for MT1389L not for MT1389K R amp C closed to MT1389 MUTE Circuit DV33 O D32 1N4148 E20 Q 2N3906 100uF 16V 100uF 16V AR AL ARS ALS ARF ALF NNNNNN AU SZ AKIN1 2 AUDIO I F AUDIO MUTE AUDIO MUTE NY AUDIO MUTE OY MN LLL RCH JK1 RCA AV9 COSMIC D2 9 MPEG INDER MEERE MAE B 2007 01 29 2 T SL SL MO VCC EE E C81 0 1uF MO VCC VCC L1 FB C34 E21 0 1uB 100uF 16v F F U50 VOTK VOTK 3 VOLD reca 0 LOAD MO VCC Q LOAD Y OP1OUT NC o VCTL G2 G1 Je i EM Lun 9g AMSB85 5 OP1IN NC OP2OUT NC 47 DES DMSO OP1IN NC VINSL AM5888 3 zii OP2IN NC AM5888 2 OP2IN NC FOSO VINFC 2 2 2 2 2 T T 2 T 2 F E F 2 SL SL SL 2 SL 2 2 2 2 2 2 2 2 SERVO I F AM5888 2 AM5888 2 1 AM5888 3 AM5888 3 1 AMSB888 5 SS AM5888_5 1 AM5888 25 AM5988 25 SSAM5888 25 1 D289 MPEG INDEX 99 MPEG INDEX fA ERE ME HBA 2007 01 29 C1 2200pF NC OPO C2 0 1uF NC 89L 3V3 V18 89L 3V3 R6 680k NC ADACVDD L20 i OP V18 RFV18 1 89L 3V3 RFVDD3 OP 4 7 47uH APLLVDD3 DACVDD3
17. above Test all 0 5mA Device Exposed Meter SMA Under Sufaces 5 4 Test 2 Wire Cord E Also test with Pl E go g Earth Ground Reserved Using AC adapter Plug as AC Leakage Test Any measurements not within the limits specified herein indicate a potential shock hazard that must be eliminated before returning the instrument to the customer 4 Insulation Resistance Test Cold Check 1 Unplug the power supply cord and connect a jumper wore between the two prongs of the plug 2 Turn on the power switch of the instrument 3 Measure the resistance with an ohmmeter between the jumpered AC plug and all exposed metallic cabinet parts on the instrument such as screwheads antenna control shafts handle brackets etc When an exposed metallic part has a return path to the chassis the reading should be between 1 and 5 2 megohm When there is no return path to the chassis the reading must be infinite If the reading is not within the limits specified there is the possibility of a shock hazard and the instrument must be re pared and rechecked before it is returned to the customer p H Antenna Terminal E s S a Exposed ut Metal Part DN Ohm Ohmmeter Insulation Resistance Test 2 Read and comply with all caution and safety related notes non or inside the cabinet or on the chassis 3 Design Alteration Warning Do not alter of add to the mechanical or electrical design of t
18. classified as anti static can generate electrical charges sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive materials 7 Immediately before removing the protective materials from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replacement ESD devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ESD device 2 Reference Information 2 1 Component Descriptions 2 1 1 HITACH 1200X SAMSUNG DL6 Connector Pin Definition I F Signals UO Pin Block Diagram Disc IL MT1389 Decode Servo ATAPI Buffer Manager Disc motor unit Demodulator Laser Error Correction pickup mE Focus amp Tracking Loading Spindle Focus Track Sied Loading Motor Coil Coil Motor Mo
19. d HOLD The HOLD pin allows the device to be paused while it is actively selected When HOLD is brought low while CS7 is low the DO pin will be at high impedance and signals on the DI and CLK pins will be ignored don t care The hold function can be useful when multiple devices are sharing the same SPI signals Write Protect VVP The Write Protect WP pin can be used to prevent the Status Register from being written Used in conjunction with the Status Register s Block Protect BPO BP1and BP2 bits and Status Register Protect SRP bits a portion or the entire memory array can be hardware protected MEMORY ORGANIZATION The memory is organized as 1 048 576 bytes Flexible Sector Architecture Two 4 Kbyte one 8 Kbyte one 16 Kbyte one 32 Kbyte and fifteen 64 Kbyte sectors Bottom or top boot configurations 4096 pages 256 bytes each Each page can be individually programmed bits are programmed from 1 to 0 The device is Sector or Bulk Erasable but not Page Erasable 19 2 1 4 512K X 16 Bit X 2 Banks Synchronous DRAM AAL 0616 Features JEDEC standard 3 3V power supply LVTTL compatible with multiplexed address Dual banks Pulse RAS MRS cycle with address key programs CAS Latency 2 3 Burst Length 1 2 4 8 amp full page Burst Type Sequential amp interleave All inputs are sampled at the positive going edge of the system clock Burst Read Single bit Write operation DQM for masking Auto amp self refre
20. he recommended replacement part might created shock fire and or other hazards Product safety is under review continuously and new instructions are issued whenever appropriate last Note Refer to the Safety Precautions section ground lead last 2 The service precautions are indicated or printed on the cabinet chassis or components When servicing follow the printed or indicated service precautions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same ratings by AA or by AN in the circuit diagram are important for safety or for the characteristics of the unit Always replace them with the exact replacement components 4 An insulation tube or tape is sometimes used and some components are raised above the printed wiring board for safety The internal wiring is sometimes clamped to prevent contact with heating components Install such elements as they were b After servicing always check that the removed screws components and wiring have been installed correctly and that the portion around the serviced part has not been damaged and so on Further check the insulation between the blades of the attachment plus and accessible conductive parts 1 2 2 Insulation Checking Procedure Disconnect the attachment plug from the AC outlet and turn the power ON Connect the insulation resistance meter 500V
21. his instrument Design alterations and additions including but not limited to circuit modifications and the addition of items such as auxiliary audio output connections might alter the safety characteristics of this instrument and create a hazard to the user Any design alterations or additions will make you the service responsible for personal injury or property damage resulting there from 4 Observe original lead dress Take extra care to assure correct lead dress in the following areas 1 near sharp edges 2 near thermally hot parts be sure that leads and components do not touch thermally hot parts 3 the AC supply 4 high voltage and 5 antenna wiring Always inspect in all areas for pinched out of place or frayed wiring Do not change spacing between a component and the printed circuit board Check the AC power cord for damage 1 2 Servicing Precautions CAUTION Before servicing Instruments covered by this service manual and its supplements read and follow the Safety Precautions section of this manual Note If unforeseen circument create conflict between the following servicing precautions and any of the safety precautions always folow the safety precautions Remember Safety First 1 2 1 General Serving Precautions 1 a Always unplug the instrument s AC power cord from the AC power source before 1 removing or reinstalling any component circuit board module or any other instrument assembly 2 d
22. isconnecting any instrument electrical plug or other electrical connection 3 connecting a test substitute in parallel with an electrolytic capacitor in the instrument b Do not defeat any plug socket B voltage interlocks with which instruments covered by this service manual might be equipped c Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed d Always connect a test instrument s ground lead to the instrument chassis ground before connecting the test instrument positive lead Always remove the test instrument ground lead 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if necessary take corrective action to remove and potential safety hazard 6 Product Safety Notice Some electrical and mechanical parts have special safety related characteristics which are often not evident from visual inspection nor can the protection they give necessarily be obtained by replacing them with components rated for higher voltage wattage etc Parts that have special safety characteristics are identified by shading an AN or a AN on schematics and parts lists Use of a substitute replacement that does not have the same safety characteristics as t
23. istor capacitor networks Do not operate this instrument or permit it to be operated without all protective devices correctly installed and functioning 2 Be sure that there are no cabinet opening through which adults or children might be able to insert their fingers and contact a hazardous voltage ouch openings include but are not limited to excessively wide cabinet ventilation slots and an improperly fitted and or incorrectly secured cabinet back cover 3 Leakage Current Hot Check With the instrument completely reassembled plug the AC line cord directly into a 120V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Standards institute ANSI C101 1 Leakage Current for Appliances and underwriters Laboratories UL 31270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a Known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screwheads metallic overlays control shafts etc especially and exposed metal parts that offer an electrical return path to the chassis Any current measured must not exceed 0 5mA Reverse the instrument power cord plug in the outlet and repeat the test Reading Should nof Be
24. lug not connected Plug the power cord into the power supply TV has not been set to the Set correct TV video input format for receiving correct video input the player s output signals Video cable not firmly Firmly insert the video cable ends to the connected related terminals Audio cable not connected Firmly insert the audio cable ends to the tightly related terminals Power of audio apparatus is Turn on the power of audio apparatus off is Setup audio output correctly via the setup menu Take out the disc and clean Fast forward backward activated forward backward playback Connect the player directly to TV Affected by anti piracy circuit Nodisc Load a disc Audio incorrect output setting Picture distortion Brightness unstable or noisy Disc is dirty Load a compatible disc Check the disc format Disc not compatible and its colour system The disc is placed upside Load a compatible disc Check the disc format down and its colour system The disc not put in the tray Check disc is put in correctly correctly Disc is dirty Clean the disc Player setting are incorrect Change the setting via the setup menu Parental lock is in effect Interference of power wave or other factors such as static Disable this function or reset the rating level Turn off the main switch or pull out the power plug plug it in and turn on the power again interference The remote control not pointed at
25. mag oogoooGosSOOOMNOoOOoOGoOcCOoOoDD Sg zech LO D AS CO Ja mn Ch y SR 3 Ah 1 a 06 CD 900000601 I 5 n b rn c BERGBSSRON E o o OO m gt PIN DESCRIPTON Abbreviations SR Slew Rate PU Pull Up e PD Pull Down e SMT Schmitt Trigger 4mA 16mA Output buffer driving strength Analog Interface 66 RFIP EE Analog Input AC coupled DVD RF signal input RFIP RFIN OPOUT Analog Input AC coupled DVD RF signal input RFIM OPINP Analog Input Main beam RF AC input path FG RFH 128 RFH OPINN Analog Input Main beam RF AC input path RFA Analog Input RF main beam input A RFB Analog Input RF main beam input B RFC Analog Input HF main beam input C RFD Analog Input RF main beam input D E H Zo Analog Input RF sub beam input E RFF Analog Input RF sub beam input E 7 AVDD18 2 Analog power Analog 1 8V power AVDD33 1 Analog Power Analog 3 3V power SEH 2 MHz crystal input E Output 27MHz crystal output 11 AGND33 Analog Ground Analog Ground dl Analog output Reference voltage 2 0V 12 V20 MOT va oOo Analog output Reference voltage 1 4V Current reference input It generates reference current for REXT Analog Input RF path Connect an external 15K resistor to this pin and AVSS MDI1 E Analog Input Laser power monitor input Cs mnm uw p ume vag upa arano Dus mon uan Noosa L AI TT ECH en oren enc Tay PAM oe mod wace CTO ELECTO i Tracki
26. ng servo output PDM output of tracking servo Analog Output compensator Focus servo output PDM output of focus servo Analog Output compensator 2 GPIO GPIO2 ke c Ke der Y G B CB PB A 10 E EC Audio ADC input 2 MS_CLK set B MCDATA Analog Audio Mute HSYN VSYN output C5 2ch audio ADC reference voltageC 107 ADVCM Analog C6 Audio ADC input 1 MS_DO set B Audio Mute AKINI Analog HSYN VSYN output C Ge ueme ee awyn Cow muse ee smteemeradesemam Com ET eee APL terna ww ON BIN mase om ano poroto oncaran Com Lee om ano trato aca UT 1 Audio DAC sub woofer channel output 2 While internal audio DAC not used 106 114 GPIO Analog Output x AN b GPIO 1 Audio DAC right Surround channel output 115 ARS GPIO Analog Output 2 While internal audio DAC not used a ABCK b GPIO 11 1 Audio DAC right channel output 2 While internal audio DAC not used 116 AR GPIO Analog Output a SDATA2 b GPIO C RXD2 1 Audio DAC left channel output 2 While internal audio DAC not used AL GPIO Analog Output a SDATA1 b GPIO c TXD2 Audio DAC left Surround channel output 119 ALS GPIO Analog Output a audio DAC Tt used b GPIO Audio DAC center channel output While internal audio DAC not used ALF CENTER PIO alog 120 GPI Analog Output 3 ASDATAO b GPIO ADACVDDI 3 3V power pin for audio DAC circuitry ADACVDD2 3 3V power pin for audio DA
27. ohm C 0 286 Vpp into 75 ohm D A Converter 27MHz 10bit Audio Performance Frequency DVD VIDEO PCM 96KHz 20Hz 44KHz 1dB Response DVD VIDEO PCM 48KHz 20Hz 22KHz 0 5dB CD 20Hz 22KHz 0 5dB Analog 2Vrms 1KHZ Digital 1 15 Vpp Connections Coaxial digital out X1 Audio Analog out for 2 channel X1 S Video out X1 Power Supply 100 240V 50 60Hz Power Consumption 12 Watt Set Dimensions W X H X D 360 X 38 X 215 mm Net Weight 2 2 Kg Gross Weight 3 0 Kg 4 Upgrading System and Changing the Region Code MTK upgrade 1 Name upgrade file as MTK BIN must be in big caps 2 Record it in a CD R W It can be enclosed a sub directory which size is about 30M and the file content can be letter or non used file disc Format advise to use the tool NERO burning ROM Disc volume MEDIATEK ISO9660 LEVEL1 MODE1 not JOILET 3 Put the recorded disc into the DVD player on the TV will show upgrade after loading Press PLAY button the player will automatically upgrade 4 Do not shut down the player during upgrade it will restart automatically after upgrade 5 Upgrade finish How to change the region code 1 Power on the machine and press OPEN button to push the tray out 2 Press SETUP button to enter the SETUP menu and on the GENERAL item press 4 number buttons in turn 1 3 8 9 3 A edit box will be displayed you can change the region code to 1 6 with UP DOWN button the num O
28. ould give the variable function solutions Key Features RF Servo MPEG Integration Embedded 6ch Audio DAC High Performance Audio Processor High Performance Progressive Video Processor Support Nero Digital Support DivX Ultra High Quality 108MHz 12 bit 4 CH TV Encoder Applications Standard DVD Players DVD Players Home Theater Application Portable DVD Players TV DVD Combo Systems Functional Block CVBS Y C Component Video RF Amplifier Video DAC Spindle I ASH SE MPEG 1 2 4 RON JPEG Memory Controller Video Decoder 6ch Audio Analog outputs System Parser GPIO Audio Mic1 Audio Mic2 IR VFD Audio ADC USB 2 0 High Speed controller MS SD MMC Card Controller Pin Assignment 7 7 a an 1 O o e gt 235 SER m Tl Rd BDUDDOOU Mo Fo o O o o RFA 1 WREF RFB 2 DACVDDC RFC 3 GHIOT13 RFD 4 SPDIF GPIO12 RFE 5 GPIO11 REF 6 GPIOT10 AVDDI8 2 7 AVDD33 1 8 GPIO9 ATALI 9 GPIOS XTALO 10 PIO GRE AGND33 11 RA3 W20 12 RA W414 13 REXT 14 RA1 MDH 15 RAO MDI2 16 RA10 LDO1 17 BA1 LDO2 18 IM T 1 3 a O DVSSIB Sf AVDD33 2 19 BAD DMO 20 RASE FMO 21 CASH TRAY OPEN 22 TRAY CLOSE 33 I kt RA4 TRO 24 A RA5 FOO 25 RAG FG GPIO2 26 RAT USBDP 27 RA8 USB DM 28 RAS 29 30 RATT PAD VRT 31 RCLK VDD18 USB 32 DOM1 A i RS E RL St KE EC E E ES RS Wi ooonononoccnsuUs2UuUuumDOumDnANOnDuDODDD I uuUuUnnmnnmnuu
29. sh 64ms refresh period 4K cycle 50 Pin TSOP II Pin Configuration VDD C 14 VSS DQO 12 DQ15 DQ1 13 DQ14 VSSQ LIJA VSSQ DQ2 LJ 5 DQ13 DQ3 16 DQ12 VDDQ 7 VDDQ DQ4 LI 8 DQ11 DQ5 DQ10 VSSQ Lj gt VSSQ Das E I DQ9 DOR E E D Q8 VDDQ E O VDDQ LDQM E 2 DC RFU WE O UDQM CAS lt CLK RAS CKE CS E NC BA E A9 A10 AP L A8 AO LJ AT A1 Eo A6 A2 L_ A5 A3 L AA VDD E VSS 20 Block Diagram 3 Y LWE gt _ Bank Select Data Input Register 4 o 4 LDQM Y 7 O o 2 512K X 16 E CLK HB E 2 3 gt gt 3 e D c Oe o SH E S S 3 512K X 16 z kp DQ c SE A o D o A f Q T D r r7 ADD gt o 3 o 9 Column Decoder ZC 3 2 A UJ Latency amp Burst Length LRAS A LCAS Programming Register EN a a EN E Timing Register TETT CLK CKE CS RAS CAS WE L U DQM Pin Descriptions Symbol Name Desoription O EN oystem Clock Active on the positive going edge to sample all inputs Chip Select Disables or Enables device operation by masking or enabling all inputs except CLK CKE and L U DOM Masks system clock to freeze operation from the next clock cycle CKE should be enabled at least one clock tss prior to new Clock Enable command Disable input b
30. ta 7 4mA InOut Data mask O 4mA PD InOut DRAM data 15 4mA InOut DRAM data 14 AmA InQut DRAM data 13 4mA InOut DRAM data 12 AmA InOut DRAM data 11 4mA InOut DRAM data 10 4mA InOut DRAM data 9 4mA InOut DRAM data 8 4mA RD7 DOMO RDIS RDI4 un oo j cn L cn L a Cw un aed i NM RD13 RDI2 61 RDH RD10 ON bo CN ws RD9 64 RDS 14 66 RCLK 1 RAI H 69 RA9 70 RAS Ce gt ba D Es a K I RA4 76 H 78 BAO 80 BAI 81 RAIO m m EN InOut 4mA PD InOut 4mA PD InOut Ama PD InOut 4mA PD InOut Ama PD InOut 4mA PD InOut Ama PD InOut 4mA PD InOut AmA PD Output 4mA PD Output 4mA PD Output 4mA PD InOut 4mA PD InOut 4mA PD InOut 4mA PD Data mask 1 DRAM address bit 11 DRAM address DRAM Write enable active low DRAM column address strobe active low DRAM row address strobe active low DRAM bank address 0 DRAM bank address 1 DRAM address 10 15 InOut DRAM address 0 Am A PD InOut DRAM address 1 Am A PD InOut DRAM address 2 4mA PD InOut DRAM address 3 4mA PD InOut GPIO 7 4mA PD Dram Clock Enable MS CLK set A Audio Mute HSYN VSYN input CO Microcontroller port 1 4 Internal Pull U GPIOS MS BS set A SD CLK set A ASDATA2 InOut ACLK 4mA PD Audio Mute HSYN VSYN input C1 Microcontroller port
31. the remote sensor on the front panel of the player No response to key press Point the remote control at the remote sensor Remote control does not work The remote control is out of Make sure the remote control range within 7 specified range meters to the remote sensor O O Battery power exhausted Replace with new batteries Note This produce incorporates copyright protection technology that is protected by method claims of certain of certain U S patent and other intellectual Property rights owned by Macrovision Corporation and other rights owners Use of this copyright protection technology must be authorized by Macrovision Corporation and is intended for home and other limited viewing users only unless otherwise authorized by Macrovision Corporation Reverse engineering or disassembly is prohibited 2398 6 Disassembly and Reassembly f Troubleshooting Make sure that the equipment is connected properly No picture Make sure that the input setting for TV is Video AV Nosond Make sure that the equipment is connected properly Distorted sound Make a that the input settings for the TV and stereo system are correct Some discs may have sections that prohibit fast forward or fast No fast forward or fast reverse reverse Select the correct setup for TV aspect ratio that matches your TV No proper aspect ratio set Check the batteries are installed with the correct polarities Point the
32. tor BA5954FP 4ch motor Drive SDROM AuDdio AMP Video D A Filter 1 F Conn front pannel 2 1 2 DVD Processor Chip MTK1389L General Description MediaTek MT1389L is a cost effective DVD system on chip SOC which incorporates advanced features like MPEG 4 video decoder high quality TV encoder and state of art de interlace processing The MT1389L enables consumer electronics manufacturers to build high quality feature rich DVD players portable DVD players or any other home entertainment audio video devices World Leading Technology Based on MediaTek s world leading DVD player SOC architecture the MT1389L is the New generation of the DVD player SOC It integrates the MediaTek 3rd generation front end digital RF amplifier and the Servo MPEG AV decoder Rich Feature for High Valued Product To enrich the feature of DVD player the MT1389 equips a simplified MPEG 4 advanced simple profile ASP video decoder to fully support the DivX1 Home Theater profile It makes the MT1389 based DVD player be capable of playback MPEG 4 content which become more and more popular Incredible Audio Video Quality The progressive scan of the MT1389L utilized advanced motion adaptive de interlace algorithm to achieve the best movie video playback It also supports a 3 2 pull down algorithm to give the best film effect The 108MHz 12 bit video DAC provides users a whole new viewing experience Built in 6ch audio DACs and 2ch audio ADCs c
33. uffers for power down in standby A0 A10 AP Address Row Column addresses are multiplexed on the same pins Row address RAO gt RA10 Column address CAO gt CA7 BA Bank Select Address Selects bank to be activated during row address latch time Selects band for read write during column address latch time Row address Strobe Latches row addresses on the positive going edge of the CLK with RAS low Enables row access amp precharge Colum Address Strobe Latches column addresses on the positive going edge of the CLK with CAS low Enables column access Write Enable Enable Enables write operation and Row precharge 2 write operation and Row Enables write operation and Row precharge 2 U DOM Makes data output Hi Z t SHZ after the clock and masks the output TUDOR bota mo Mask pe Blocks data input when L U DOM active DWO 15 Data Input Output Data inputs outputs are multiplexed on the same pins Data inputs outputs are multiplexed on the same pins are multiplexed on the same pins VDD VSS Power Supply Ground Power Supply 3 3V 0 3V Ground VDDQ VSSQ Data Output Provide isolated Power Ground to DQs for improved noise immunity Power Ground NC RFU T 3 Product Specifications Playback System DVD Video Video CD 1 1 2 0 3 0 SVCD and CVD CDDA CD ROM with MP3 data PICTURE CD Television Signal System NTSC PAL Video Performance Video Out 1 Vpp into 75 ohm S Video Out Y 1Vpp into 75
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