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Akai DV-P4575SDK Service Manual

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DVD PLAYER
Models:
DVP4575SDK
DVP4585MMD
SERVICE MANUAL
www.akai.ru

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Summary of Contents for Akai DV-P4575SDK

  • Page 1 DVD PLAYER Models: DVP4575SDK DVP4585MMD SERVICE MANUAL www.akai.ru...

  • Page 2: Table Of Contents

    CONTENTS 1. PRECAUTIONS-------------------------------------------------------------------------------------------------------------------- 1 1-1 S ---------------------------------------------------------------------------------------------------------- 1 AFETY RECAUTIONS 1-2 S ------------------------------------------------------------------------------------------------------ 2 ERVICING RECAUTIONS 1-2-1 General Serving Precautions -------------------------------------------------------------------------------------------- 2 1-2-2 Insulation Checking Procedure------------------------------------------------------------------------------------------ 3 1-3 ESD P ------------------------------------------------------------------------------------------------------------- 3 RECAUTIONS 2. REFERENCE INFORMATION ------------------------------------------------------------------------------------------------ 4 2-1 C --------------------------------------------------------------------------------------------------- 4 OMPONENT ESCRIPTIONS...

  • Page 3: Precautions

    1. PRECAUTIONS 1-1 Safety Precautions 1) Before returning an instrument to the customer, always and repeat the test. 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.

  • Page 4: Servicing Precautions

    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. 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 Insulation Resistance Test...

  • Page 5: Insulation Checking Procedure

    (3) The components used in the unit have a specified flame been damaged and so on. Further, check the insulation resistance and dielectric strength. between the blades of the attachment plus and When replacing components, use components which accessible conductive parts. have the same ratings, by ( ) or by ( ) in the...

  • Page 6: Reference Information

    2. Reference Information 2-1 Component Descriptions 2-1-1 DVD SANYO HD60 PUH Connector Pin Definition I/F Signals I/O Pin # CD/DVD GND-PD VR-CD VR-DVD LD-CD LD-DVD GND-LD...
  • Page 7 4. Block Diagram Disc MT1369 MT1369 (RF AMP) (Decode/Servo) AuDdio D/A Disc motor unit Laser Driver ATAPI WM8720 Laser Equalizer Buffer Manager pickup Error Gen Demodulator SDRAM Error Correction 1*16MHzX2 Focus & Tracking Video D/A Loading CS4955 Spindle Focus Track Sied Loading Motor...

  • Page 8: Dvd Processor Chip (Mtk1379) And Front-End Ic Mt1336

    2-1-2 DVD Processor Chip (MTK1379) and Front-end IC MT1336 Features Single-chip DVD video decoder in a 208-pin PQFP package Supports MPEG-1 system and MPEG-2 program streams Programmable multimedia processor architecture Compatible with Audio CD, Video CD, VCD 3.0, and Super Video CD (SVCD) DVD Navigation 1 Built-in content Scrambling System (CSS) - Audio...
  • Page 9 Pinout Diagram...
  • Page 10 U4 MT1379E SMD LQFP-216 IREF PLLVSS YUV0/CIN LPIOP LPION VREF LPFON DACVDDC LPFIP ASDATA4 LPFIN ASDATA3 LPFOP ASDATA2 JITFO ASDATA1 JITFN ASDATA0 PLLVDD3 SPDIF MC_DATA ACLK TROPENPWM DVDD3 PWMOUT1 ALRCK PWMOUT2 ABCK DVDD2 RD16 RD17 DVSS DVSS RD18 RD19 HIGHA0 RD20 HIGHA1 RD21...
  • Page 11 PIN DESCRIPTON Symbol Type Description Current reference input.it generate reference current for data PLL IREF Analog Input Connect an external 100K resistor to this pin and PLLVSS. PLLVSS Ground Ground for data PLL and related analog circuitry LPIOP Analog output Positive output of the low pass filter LPION Analog output...
  • Page 12 Symbol Type Description APLLVDD3 Power 3.3V power Inout,pull up Microcontroller address latch enable IOOE# Inout Flash output enable,active low /GPIO13 IOWR# Inout Flash write enable,active low /GPIO17 IOCS# Inout,pull up Flash chip select,active low /GPIO18 DVSS Ground Ground UP1_2 Inout,pull up Microcontroller port 1-2 UP1_3 Inout,pull up...
  • Page 13 Symbol Type Description Output DRAM address 4 DVSS Ground Ground DQM1 Output Mask for DRAM input/output byte 1 DQM0 Output Mask for DRAM input/output byte 0 Output DRAM bank address 0 RA10 Output DRAM address 10 DVDD2 Power 2.5V power Output DRAM address 0 Output...
  • Page 14 Symbol Type Description YUV6 Output Video data output bit 6 Input,pull down Microcontroller ICE mode enable output VSYN Inout Vertical sync / GPIO16 YUV7 Output Video data output bit 7 DVSS Ground Ground HSYN Inout Horizontal sync / GPIO15 DVDD2 Power 2.5V power DVDD3...
  • Page 15 . Focusing error signal generator for CD-ROM, DVD-ROM and DVD-RAM (DAD method). . RF level signal generator. . Sub-beam added signal for 3 beams CD_ROM. . One beam push-pull signal generator for central servo application. . High speed RF envelop detection circuit with bandwidth up to 400KHz for CD-ROM. .
  • Page 16 DVDRFIP Analog input AC coupled DVD RF signal input RFIP Analog input AC coupled CD RF signal input A Analog input AC coupled CD RF signal input B Analog input AC coupled CD RF signal input C Analog input AC coupled CD RF signal input D Analog RF Offset cancellation capacitor connection Analog...

  • Page 17: 28-Pin, 24-Bit, 192Khz D/A With Volume Control (Da1196)

    128,118 WAGND Wobble GND AVDDO Power Power for RF output AGNDO GND for RF output AVDDT Power Power for trimming PAD AGNDT GND for trimming PAD VDDP Power Peak Detection Power GNDP Peak Detection GND 37,54 Power Serial I/O Power 39,57 Serial I/O GND REFERENCE VOLTAGE...
  • Page 18 Features APPLICATIONS . CD, DVD audio . Home theare systems . Set top boxes PIN DESCRIPTIONS Note: Digital input pins have Schmitt trigger input buffers.

  • Page 19: Serial Eeprom, 16K (2048 X 8) (24C16)

    2-1-4 Serial EEPROM, 16K (2048 x 8) (24C16) * Features Low-Voltage and Standard-Voltage Operation -5.0 (V CC = 4.5V to 5.5V) -2.7 (V CC = 2.7V to 5.5V) -2.5 (V CC = 2.5V to 5.5V) -1.8 (V CC = 1.8V to 5.5V) Internally Organized 128 x 8 (1K), 256 x 8 (2K), 512 x 8 (4K), 1024 x 8 (8K) or 2048 x 8 (16K) 2-Wire Serial Interface Schmitt Trigger, Filtered Inputs for Noise Suppression...

  • Page 20: Bit [1Mx8/512Kx16] Cmos Flash Memory

    Automotive Grade and Extended Temperature Devices Available 8-Pin and 14-Pin JEDEC SOIC, 8-Pin PDIP, 8-Pin MSOP, and 8-Pin TSSOP Packages Pin Configurations Pin Description Pin Name Function A0-A2 Address Inputs Serial Data Serial Clock input Write Protect No Connect 2-1-5 8M-BIT [1Mx8/512Kx16] CMOS FLASH MEMORY FEATURES •...
  • Page 21 • Sector protection - Sector protect/chip unprotect for 5V/12V system. - Hardware method to disable any combination of sectors from program or erase operations - Tempory sector unprotect allows code changes in previously locked sectors. • 100,000 minimum erase/program cycles •...

  • Page 22: 512K X 16 Bit X 2 Banks Synchronous Dram (A43L0616)

    2-1-6 512K X 16 Bit X 2 Banks Synchronous DRAM (A43L0616) 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 & full page)
  • Page 23 Burst Type (Sequential & interleave) All inputs are sampled at the positive going edge of the system clock Burst Read Single-bit Write operation DQM for masking Auto & self refresh 64ms refresh period (4K cycle) 50 Pin TSOP (II) Pin Configuration...
  • Page 24 Block Diagram Pin Descriptions Symbol Name Description System 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)DQM Masks system clock to freeze operation from the next clock cycle. Clock Enable CKE should be enabled at least one clock + tss prior to new command.

  • Page 25: Product Specifications

    Symbol Name Description VDD/VSS Power Supply/Ground Power Supply: +3.3V±0.3V/Ground Data Output VDDQ/VSSQ Provide isolated Power/Ground to DQs for improved noise immunity. Power/Ground NC/RFU No Connection 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...

  • Page 26: Upgrading System And Changing The Region Code

    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.

  • Page 27: Operating Instruction

    5. Operating Instruction Please refer to the User’s Manual for operation instruction of the system.

  • Page 28: Maintenance & Troubleshooting

    Maintenance & Troubleshooting How to handle discs Disc Compatibility To handle, clean and protect discs Some DVD discs may have special ● Do not touch the playing side of a requirements for playing, with which ● disc this player may not be compatible. Please refer to specifications on individual disc.

  • Page 29: Problems And Solutions

    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 Solution...

  • Page 30: Disassembly And Reassembly

    6.Disassembly and Reassembly...

  • Page 32: Troubleshooting

    7.Troubleshooting No power Insert the AC power plug securely into the power outlet. Make sure that the equipment is connected properly. No picture Make sure that the input setting for TV is Video (AV). No sound Make sure that the equipment is connected properly. Distorted sound Make sure that the input settings for the TV and stereo system are correct.

  • Page 33: Electrical Part List

    8. Electrical Part List Item Name of Components Specification Qty. Location lines A：line 24PIN/0.5mm L=70mm loader to MPEG board 5PIN/2.0mm loader to MPEG board L=140mm loader to MPEG board 6PIN/2.0mm L=60mm 5PIN/2.54mm L=500mm MPEG board 4PIN/2.54mm L=120mm control panel to power board 6PIN/2.54mm L=450mm control panel to MPEG board...
  • Page 34 fastening wire Nylon fastening wire fastening wire black,120mm for fastening power supply wire loader sets CO-DJA1379XE+SANYO 5.1CH MPEG MTK1379GE 5.1channel MTK1379GE_3.3V power supply board SANYO DVD loader DS-600MA DVD loader power supply board CO-DPA118 0320 transformer and TDA1522 CO-DCA CO-301 AND CO-302 CO-301 AND CO-302 control panel control panel with SCART,Optical and KARAOKE,...
  • Page 35 plastical bolt cap 5 for power board,3 for output board rubber mat Φ12*2 hardness 64 rubber mat 19.5*9.5*3.5 hardness 64 metals CO-301 AND CO-302 upper cover siver upper cover bottom cover CO-301 AND CO-302 DZ silver-gray rear panel CO-301 AND CO-302 HBA black 9 for control panel,2 for power botton,1 for bolt...
  • Page 36 gift box Carton 4 players in 1 Carton for power supply wire 05*80*160mm 05*80*260mm for remote control 0.5*180*260mm for owner's manual 480*580mm pearl cotton B：appendix remote control remote control batteries 1 set manual Video connection wire 1.5M Audio connection wire 1.5M C：others serial stick...
  • Page 37 glue paper some heat-contracting tube 4mmX15mm Φ22X30mm heat-contracting tube jumper（Φ0.6mm） double-color LED Φ3mm Components of Power Board Jack 4PIN/2.54mm Jack 5PIN/2.54mm 10PIN/2.54mm CN3(4) Jack Jack 3PIN/3.96mm BCN1,BCN2 Ceramic capacitor 330pF 63V +/-10% 5mm Ceramic capacitor 0.1uF 63V +/-20% 5mm Ceramic capacitor 100pF 63V +/-20% Y5P 5mm C11,C12,C13 Ceramic capacitor...
  • Page 38 Safety Regulation capacitor 680UF 400V +/-20% Y1 2200UF 400V +/-20% Y1 UL Safety Regulation capacitor BC3,BC4 10mm Safety Regulation capacitor 0.1UF 275V +/-10% 15mm BC1,BC2 Polyester capacitor 47nF 100V +/-10% Y5P 5mm C2,C3 Ceramic capacitor 0.1uF 50V +/-20% 5mm C4,C5 Diode IN4007 D1,D2.D3,D4...
  • Page 39 Carbon Film Resistor 1/4W 10K +/-5% R12,R13 Carbon Film Resistor 1/4W 300E +/-5% Carbon Film Resistor 1/4W 3K +/-5% Carbon Film Resistor 1/4W 470E +/-5% Carbon Film Resistor 1/4W 4.7K +/-5% Carbon Film Resistor 1/4W 5.1K +/-5% Carbon Film Resistor 1/4W 6.8K +/-5% Carbon Film Resistor 1/4W 75K +/-5%...

  • Page 40: Block Diagram

    Electrolytic capacitor 47UF C1,C2 Diode 1N4148 Axial 0.4 D1,D2,D3,D4,D5 16312 QFP44 (AD16312) SAMSUNG RMC1 TD138 NEXT、 STOP、 PREV、 OPEN、 REV、 FWD、 Button 6*6*5 PAUSE、PLAY、STOP1、PLAY1 VOL1,VOL2 Potentiometer RV0902N-15FD1-A20K-P Jumper JMP1、JMP3、JMP6、JMP17 Jumper JMP7、JMP8 Jumper JMP2、JMP15、JMP16 Jumper JMP5、JMP11 10mm Jumper JMP4、JMP9 12mm Jumper 13mm JMP10 sponge mat for R/M...

  • Page 42: Circuit Diagrams

    10. Circuit Diagrams 1.Control Part INDEX 3.SERVO&RF 4. Servo-DSP MPEG & Memories 5.Audio&Video D/A 6.AV PORT 7.Power Part...
  • Page 43 Control Part 47U/16V SEG16 SEG17 SEG18 SEG19 SEG20 DOUT SEG13 SEG12 SEG11 REMOTE SEG10 SEG9 6PIN UPD16311 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 GVGD DIODE DIODE DIODE DIODE -27V 47U/50V REMOTE STOP8 STOP5 PLAY2 RMC1 LED1 STOP11 STOP2 NEX1 DUAL_COLOR_LED -27V...
  • Page 44 INDEX Hermoine GRANGER Revision-A3 Servo-MPEG Board of MAXITECH Complete Loader DCL34MK72/75MT1379xE for Cosmic DV-34 Pickup Loader Layout----Hermoine GRANGER Revision-A3B2 Revision History Background Revision-A1 This design is the Servo-MPEG Board of COSMIC Technology Co., LTD. DVD Complete Loader module DCL34MK-72/75, which is thecombination of this PCBA & Cosmic DV-34 Pickup Loader. Base on MTK Reference Design COMMON79_HD60_V2,Re-sized for Complete Loader PCB Dimension Requirement.
  • Page 45 3.SERVO&RF Ferrite Bead DV33 +PS5V RVCCIN DV33 Power Supply 1206 Ferrite Bead R141 +PS5V FB 0805 BA6208F JST5 Pin 2.0mm Pitch 1206 LOAD- TRCLOSE LOAD+ NOT STUFF TROUT BOUT CB11 C151 TROPEN TROPEN AOUT TRIN 220u 0.1u 220u 0.1u 220u AVCC LIMIT Ferrite Bead...
  • Page 46 4.Servo-DSP MPEG & Memories +PS5V +PS5V SDRAM 512Kx16x2 SDRAM 512Kx16x2 SDRAM 1Mx16x4 L11 Ferrite Bead AUX I/O 50-Pin TSOPII (400milx825mil) 54-Pin TSOPII (400mil x 875mil) 1206 50-Pin TSOPII (400milx825mil) DV33 JST12Pin 2.0mm Pitch SD33 DQ24 DQ25 SDCLK DCLK 33Ohm DQ26 P1.3 DCKE 33Ohm...
  • Page 47 5.Audio&Video D/A KHTech DA1196 SSOP-28 +5VDD 6 CH DAC for DCL34MK-75 +5VA R177 10Ohm 10Ohm 10Ohm AMDAT DVDD AVDD1 AMDTA AVDD2 KHTech AD1181 CB56 CB58 CB106 SOP14 SALRCK AGND1 LRCK DOUT 100u 0.1u 0.1u 0.1u 100u SABCK BYPASS AGND2 SACLK MUTE SCKI DGND...
  • Page 48 6.AV PORT C101 MIC LIN +12V T-CVBS ASPECT +P12V +12V 10UF -12V 1.8UH/DIP CVBS-TV 220P DAC-ML 0.1UF 220UF R102 5.1K 10UF C100 C102 C103 UJM4558 220P 100P 10UF AGND 2000P +12V 267K 3904 A-MUTE R17 1K 3904 VGND VGND VGND -P12V -12V SCART-TV-SEL...
  • Page 49 7.Power Part -21V DGND DGND -21V 220UF/16V F(-) F(+) 100P BCN5 POW SW1 D1 1N4007 222M 103/1KV 27K/2W HER105 T1.6A L250V 220V 265V BCN1 D2 1N4007 68uF/450v S+5V 222M BEAD SGND SGND 1N4007 SGND SGND 100uF/50v PH-33D C12V S+12V 470uF/16V HER108 100P 0.1uF/275v...

  • Page 50: Wiring Diagram

    11. Wiring Diagram -12V AV OUTPUT BOARD +12V AGND VGND RECEIVER VGND -12V +12V AGND VGND DQ16 DQ18 TUNER_VCC TUN_L TUN_R DQ19 MPEG BOARD VSTB VSTB RDS_MPX RDS_MPX -27V FRONT PANEL...

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