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SERVICE MANUAL
SERVICE MANUAL
Portable DVD
DVD
BBK
PL945TI
GB

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Summary of Contents for BBK PL945TI

  • Page 1 SERVICE MANUAL SERVICE MANUAL Portable DVD PL945TI...
  • Page 2: Safety Precautions

    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.
  • Page 3: Servicing Precautions

    5) Components, parts, and/or wiring that appear to 2) Read and comply with all caution and safety related notes non or inside the cabinet, or on the chassis. have overheated or that are otherwise damaged should be replaced with components, parts and/or 3) Design Alteration Warning-Do not alter of add to the wiring that...
  • Page 4: Esd Precautions

    1-2-2 Insulation Checking Procedure attachment plug and accessible conductive parts (see Disconnect the attachment plug from the AC outlet and note) should be more than 1 Megohm. turn the power ON. Connect the insulation resistance Note: Accessible conductive parts include metal meter (500V) to the blades of the attachment plug.
  • Page 5: Revision History

    MT1389VQ Version 1.01 Portable DVD Player SOC General Datasheet Specifications are subject to change without notice Revision History Revised date Contents of revision Reason for revision Page Remarks initial Ver 1.0 2010 3 18 update electrical characteristics Ver 1.01 2010 04 13 Update TVE description Ver 1.1 2010 06 03...
  • Page 6: Contents Of Specification

    Specifications are subject to change without notice Contents of Specifications Specifications Page Revision History Contents of Specification Applications Type Usage Structure Function Pin Assignment Absolute Maximum Ratings Recommend Operation Conditions Electrical Characteristics Marking on Devices Package Description Packing Description Solder-Reflow Condition Manual Solder Condition Storage Condition Other...
  • Page 7: Applications

    Specifications are subject to change without notice Applications This present specifications are applied to IC MT1389VQ . Type MT1389VQ Usage Single Chip IC for Portable DVD Player with panel interface Structure 0.11um CMOS process, Silicon material, Monolithic IC, 128pin LQFP, 3.3/1.2 Dual operation voltages. MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 8: Function

    Specifications are subject to change without notice Function 5-1 General Description is a cost-effective DVD system-on-chip (SOC) which incorporates advanced features like MediaTek MT1389VQ MPEG-4 video decoder, high quality TV encoder and state-of-art de-interlace processing, back light control, and high-quality TV Decoder. The MT1389VQ enables consumer elec tronics manufacturers to build high quality, USB2.0, MS/SD/MMC reader, feature-rich portable DVD players or any other multimedia portable devices.
  • Page 9 Specifications are subject to change without notice 5-2 Key Features RF/Servo/MPEG Integration Embedded 2ch Audio DAC High Performance TV decoder High Performance Audio Processor High Performance Progressive Video Processor Support DivX Ultra High Quality 12-bit Video DAC, TV Encoder USB 2.0 High-Speed SSCG for low cost EMI solution Battery detect Back light control...
  • Page 10 Specifications are subject to change without notice 5-4 General Feature lists Super Integration DVD player single chip High performance analog RF amplifier DVD-ROM/CD-ROM Decoding Logic Servo controller and data channel processing MPEG-1/MPEG-2/JPEG video High-speed ECC logic capable of correcting Dolby AC-3/DTS Decoder one error per each P-codeword or Q-codeword Unified memory architecture Automatic sector Mode and Form detection...
  • Page 11 Specifications are subject to change without notice 108MHz/12bit DACs Support NTSC, PAL-BDGHINM, PAL-60 Automatically turn off unconnected channels Support Macrovision 7.1 L1 CGMS-A/WSS Closed Caption TV Decoder Support CVBS analog video input Support NTSC, PAL-BDGHIKN, PAL-M, PAL-Nc, SECAM, NTSC-4.43, PAL-60 Automatic signal detection Automatic TV standard detection Automatic gain control...
  • Page 12 Specifications are subject to change without notice General Feature – Third Party Proprietary Right 1. Dolby License Supply of this Implementation of Dolby technology does not convey a license nor imply a right under any patent, or any other industrial or intellectual property right of Dolby Laboratories, to use this Implementation in any finished end-user or ready-to-use final product.
  • Page 13 Specifications are subject to change without notice 5-5 Pin Definitions Abbreviations: SR: Slew Rate PU: Pull Up PD: Pull Down SMT: Schmitt Trigger 4mA~16mA: Output buffer driving strength. Pin #  Main  ALT  TYPE  Description     Analog power  Analog 1.2V power  AVDD12_2    Analog power  Analog 3.3V power  AVDD33_1 XTALI   ...
  • Page 14 Specifications are subject to change without notice Pin #  Main  ALT  TYPE  Description  InOut  SF_CS_ 8mA, SR     PU, SMT  Serial Flash Chip Select  InOut  SF_DO 8mA, SR     PU, SMT  Serial Flash Dout  InOut  SF_DI 8mA, SR     PU, SMT  Serial Flash Din  InOut  8mA, SR  SF_CK    PU, SMT  Serial Flash Clock  AVDD33_DCV    Power  3.3V power pin for DCV  NS_NSW   ...
  • Page 15 Specifications are subject to change without notice Pin #  Main  ALT  TYPE  Description  GPIO6 3.3V only  1) SPDIF out  2) HSTR  3) UART_TXD  4) TXD  5) I2S DOUT 0  InOut     4mA, PU  6) GPIO6  PRST# Input  3.3V only Power on reset input, active     SMT  low  Input     SR, SMT  IR control signal input  GPIO3 InOut  8mA, SR  1) TRIN     SMT  2) GPIO3  GPIO4 1) TROPEN ...
  • Page 16 Specifications are subject to change without notice Pin #  Main  ALT  TYPE  Description  RD11    Inout 2mA  DRAM data 11  RD10    Inout 2mA  DRAM data 10     Inout 2mA  DRAM data 9     Inout 2mA  DRAM data 8  DQM1    Inout 2mA  Data mask 1 DVDD33    Power  3.3V digital power  RCLK InOut     4mA, PD  Dram clock ...
  • Page 17 Specifications are subject to change without notice Pin #  Main  ALT  TYPE  Description  InOut  RA10    2mA, PU  DRAM address bit 10  InOut     2mA, PU  DRAM address bit 0  InOut     2mA, PU  DRAM address bit 1  InOut     2mA, PU  DRAM address bit 2  InOut     2mA, PU  DRAM address bit 3  DVDD33    Digital Power  3.3V digital power  1) MS_D0  2) SD_D0  GPIO9 InOut ...
  • Page 18 Specifications are subject to change without notice Pin #  Main  ALT  TYPE  Description  InOut  HSTL    4mA, PD  TCON interface  InOut     4mA, PD  TCON interface  InOut  1) Audio mute     4mA, PD  2) I2S DOUT2  InOut  1) PWM out1  GPIO12    2mA, PD  2) GPIO12  InOut  1) PWM out2  GPIO10    4mA, PD  2) GPIO10  3.3V only  1) LED back feed back  PWMIN GPIO30 ...
  • Page 19 Specifications are subject to change without notice Pin #  Main  ALT  TYPE  Description  circuitry  1) Audio R channel analog input  ALIN_R GPIO19  Analog  2) GPIO19  1) Audio L channel analog input  ALIN_L GPIO21  Analog  2) GPIO21  AVDD12_1    Power  1.2V analog power  AVSS12    Ground  Analog ground  RFIP    Analog Input  AC coupled DVD RF signal input RFIP  1) AC coupled DVD RF signal input RFIN  RFIN OPOUT  Analog Input  2) GPI36  OPINP ...
  • Page 20 Specifications are subject to change without notice 5-6 Functional Bloc MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 21: Pin Assignment

    Specifications are subject to change without notice Pin Assignment Absolute Maximum Ratings Symbol Parameters Value Unit VDD3 3.3V Supply voltage -0.3 to 3.6 VDD2 1.2V Supply voltage -0.3 to 2.1 VDDA Analog Supply voltage -0.3 to 3.6 (3.3V) Input Voltage (3.3V IO) -0.3 to 3.63 MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 22: Electrical Characteristics

    Specifications are subject to change without notice Symbol Parameters Value Unit (5V-tolerance) Input Voltage (5V-tolerance IO) -0.3 to 5.5 Output Voltage -0.3 to VDD3+0.3 Storage Temperature -45 to 150 Recommend Operation Condition Symbol Parameters Unit Operating Temperature Junction Operation Temp. θ...
  • Page 23 Specifications are subject to change without notice Symbol Parameters Unit Pull-down Resistance KΩ Offset voltage between FOO zero output and V Offset voltage between TRO zero output and V Offset voltage between DMO zero output and V Note * : The driving current of some IO pad are programmable according to the different application and environment .
  • Page 24 Specifications are subject to change without notice SYNC TIP 9-4 Video Output Voltage Level: High / Low Impedance Mode: Please contact with FW window for setting High / Low impedance mode. 9-5 Video DAC DC Electrical Characteristics (Operating Free-Air Temperature, AVDD 3.3V, DVDD = 3.3V). Analog Output UNIT Full Scale Output Current CVBS/R/G/B...
  • Page 25 Specifications are subject to change without notice Full Scale Output level LSB voltage level 11.4 Output Compliance DAC Rise/Fall Time (for 20pF loading) Static Performance DAC Resolution Bits DNL Differential Non-Linearity +/-0.25 +/-0.5 +/-1 INL Integral Non-Linearity Power Supply Supply Voltage 9-7 CVBS ADC Electrical Characteristics Symbol Parameters...
  • Page 26 Specifications are subject to change without notice Item Designator Conditions Unit 05h=30; low gain MA → FEO Focusing Error Gain 10.3 11.5 With 10KHz Sin Input 05h=7C; low gain Focusing Error Frequency MA → FEO With 10KHz, 300KHz Sin Input 23.9 Response R=G(10kHz)-G(300Khz)
  • Page 27 Specifications are subject to change without notice Item Designator Conditions Unit MA → TEO Tracking Error Common 07h=7F; low gain MB → TEO Mode Gain With 10KHz Sin Input Toggle 07h bit6, 5 MA → TEO Tracking Error H/L Gain With 10KHz Sin Input Tracking Error offset Input Floating...
  • Page 28 Specifications are subject to change without notice 9-9 Micro Controller Interface Signal Name Signal Description Unit SF_CK Clock frequency D.C. SF_CK Clock High Time SF_CK Clock Low Time tSHSL SF_CS_ deselect time tCSS SF_CS_ active Setup time tCSH SF_CS_ active Hold time tDVCH SF_DI setup time tCHDX...
  • Page 29 Specifications are subject to change without notice 9-10 Digital audio Interface Parameter Symbol Units BCK negative edge to ASDATA valid ASDATA/LRCK input setup ASDATA/LRCK input hold ASDATA/LRCK ASDATA/LRCK SPLIN_BCK ASDATA/LRCK ASDATA/LRCK ASDATA/LRCK (input) Digital audio Timing Diagram 9-11 DRAM Interface MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 30 Specifications are subject to change without notice tRAS tRCD Row Active Read Write Precharge Row Active Parameter Symbol Units CLK cycle time CAS latency = 3 SDRAM input setup time 1.75 1.75 SDRAM input hold time Active to Precharge command period tRAS 100K 100K...
  • Page 31 Specifications are subject to change without notice FREQUENCY vs. AC PARAMETER RELATIONSHIP TABLE (Unit: number of clock) tRAS tRCD Frequency Latency 42ns 18ns 18ns 6ns/10ns 133MHz (7.5ns) 125MHz (8ns) 100MHz (10ns) (Unit: number of clock) tRAS tRCD Frequency Latency 49ns 20ns 20ns 7ns/10ns...
  • Page 32: Marking On Devices

    Specifications are subject to change without notice Marking on Devices MediaTek Logo Product Name MT1389 FE Lead Free Product Date Code (Year+Week) YYWW- QXXL LLLLL MTK Production Code Lot No. MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 33: Package Description

    Specifications are subject to change without notice Package Description 11-1 Package Outline Dimension The bend leads are controlled under the criteria 0.075mm (2.5mil). 11-2 Weight of the chip 0.66g 11-3 Material and Finish of Lead Terminals For Lead-free Package, materials of terminals are Sn(98%) and Bi (2%) and thickness is 300~600u inch. 11-4 Package Material Lead frame: Cu Epoxy: 1033BF...
  • Page 34 Specifications are subject to change without notice Package Pin / Ball count EA / Tray Tray / Box Full Box Q’ty Box / Carton Full carton Q’ty LQFP 5400 12-1 Tray Description 90ea/ Hard Tray (150 C resistance). MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 35 Specifications are subject to change without notice MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 36 Specifications are subject to change without notice 12-2 Desiccants Size: 110*120 mm. Weight: 66g 12-3 Aluminum Foil Bag Size: 260*470 mm. Thickness: 0.15 +/- 0.005 mm. Surface impedance: 10 Ohm/SQ 12-4 Box Description Material: 3 Layer B corrugated paper. Strength: 1182000 PA. Box size: 355(L)*157(W)*90.5(H) mm.
  • Page 37 Specifications are subject to change without notice 12-7 Packing Flow Pin No. 1 90pcs per tray direction Empty tray 10 tray Exsiccator Label is on top of the Aluminum foil bag. Aluminum foil bag MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 38 Specifications are subject to change without notice Air cap Box with the Aluminum foil bag 6 boxes per carton Side plank Label is on top of the box. Fill with empty box if the quantity is less than 6 boxes MEDIATEK CONFIDENTIAL, NO DISCLOSURE...
  • Page 39: Solder-Reflow Condition

    Specifications are subject to change without notice Solder-Reflow Condition 13-1 Reflow Condition MediaTek can guarantee 3 times IR reflow based on the reflow profile (Figure 1). Average ramp-up rate (Ts to peak): 3 C /sec. max. Preheat & Soak: Pb-Free 150~200 C for 60~120 seconds Liquidous temperature maintained above Pb-Free 217 C for 60~150 seconds...
  • Page 40 Specifications are subject to change without notice Table 2 SnPb Eutectic Process - Classification Temperatures (T Package Thickness Volume mm < 350 Volume mm ≥ 350 <2.5 mm 235 °C 220 °C ≥ 2.5 mm 220 °C 220 °C Table 3 Pb-Free Process - Classification Temperatures (T Package Thickness Volume mm <...
  • Page 41: Storage Condition

    Specifications are subject to change without notice 13-2 Pre-process and Heat Treatment Procedure: (MRT L3) [Package opening] [Baking] [Humidification] [Reflow] Conditions between each step of procedure Be lift for duration of 2 hours or longer at temperature of 30 C or lower and a humidity of 60% R.H. or lower.
  • Page 42 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 43: Maintenance And Troubleshooting

    5. Operating Instruction Please refer to the User’s Manual for the operating instruction of the system. Maintenance & Troubleshooting How to handle discs Disc Compatibility Some discs have special To handle, clean and protect discs ● requirements for playing, with which this player Do not touch the playing side of a disc ●...
  • Page 44: 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.
  • Page 45: 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. Make sure that the input settings for the TV and stereo system are Distorted sound correct.
  • Page 46 KP33 KP33 10uF 0.1uF 75k/1% ADCIN0 6P-TOP 0.3V 7.5K/1% SPARK 1000P SPARK 1000P 9.1K/1% 0.6V SPARK 1000P 11K/1% 0.89V SPARK 1000P 15K/1% 1.19V SPARK 1000P 20K/1% 1.5V SPARK 1000P 27K/1% 1.79V SPARK 1000P 43K/1% Default Voltage is 2.5V MARK1 MARK2 2.1V ADC input range 0-2.8V MARK...
  • Page 47 VCOM BOUT GOUT ROUT STVR STVL STVL STHL VCOM VCOM VCOM STVL TP10 TP11 STHL TP12 STHL TP13 STHR VCC5V TP14 CPH3 SPK_R TP15 CPH2 SPR_GND TP21 CPH1 SPL_GND TP20 SPK_L TP16 ROUT V_LED+ GOUT TP17 BOUT V_LED- HEADER26_0.5_TOP TP18 AVDD VCC5V AVSS...
  • Page 48 IF OUT CVBS_TV AUDIO_TV SIF OUT AFT OUT AUDIO_TV AUDIO CVBS_TV 8PIN,1.25MM VIDEO KING_TUNER 0.1uF 100uF/10V MARK1 MARK2 广州番禺汽车音响设备有限公司 MARK MARK Model PD939MVQ-A.SCH Size Block ANALOG TUNER Custom Design by: Date: Sheet Friday, January 07, 2011...
  • Page 49: Change List

    DATA Change list version 10.08.10 Original release. 10.08.10 changed component value with amp 10.05.30 NO Changed,CHANEG REV ONLY 广州番禺汽车音响设备有限公司 Model PD939MVQ-A.SCH Size Block CHANGE LIST Design by: Date: Sheet Wednesday, September 14, 2011...
  • Page 50 MT1389Q 128 PIN GPIO LIST NAME FEATURES DC IN MDI1 VR_CD 9---12V 7" or 9" TRAY_OPEN STBY 3.3V LCD display TRAY_CLOSE VR_DVD LCD DISPLAY FG / GPIO2 LOW_BAT BAT CHARGE GPIO3 TRIN GPIO4 RFIN/OPOUT LIMIT COAXIAL FLASH (ASPDIF OUT) UP_16 [SCL] EN25F80 UP_17...
  • Page 51 POWER_KEY BAT CHARGE 600RH MBRS240/NC MBRS240 SW-8-POWER DC_IN DIO-MLL38A 220R 220R L1206 DIO-MLL38A 0R/NC R0603 R0603 1.5A(SMD) 0.1uF 100uF/16v L0603 L1206 C0402 DC100U 2301 DC9V_IN SOT-23 V_DET DCJACK4.0 SOT-23 TEST POINT SMD1.0 DC_IN 2301 0.1uF R0402 C0402 100K 22UH R0402 L_4.5 0.33R/1% BAT+...
  • Page 52 TP63 89Q_3V3 OFF-PAGE CONNECTION Crystal V1P4 RFV33 100k ADACVDD 0.1uF EC16 EC17 47uF/16V 0.1uF 22uF/16V C198 DQ[0..15] DQ[0..15] EC10U/25V-RA EC4X5 DACVDD3 27MHz 0.1uF 0R/NC BAT54C AP2301 R0603 MA[0..11] MA[0..11] 0.1uF C177 SOT-23 MD_VCC SP-A 10uF 0.1uF 0.1uF 27pF 27pF DQM[0..1] DQM[0..1] C0805 CTL_TV...
  • Page 53 OFF-PAGE CONNECTION SR_3V3 DQ[0..15] DQ[0..15] SDCKE R0402 MA[0..11] MA[0..11] R100 DCS# R0402 DQM[0..1] DQM[0..1] BA[0..1] BA[0..1] SDCLK SDCLK RAS# RAS# MA10 DQ10 CAS# CAS# A10/AP DQ10 MA11 DQ11 DQ11 SR_3V3 DBA0 DQ12 BA0/A13 DQ12 DBA1 DQ13 DRAM I/F BA1/A12 DQ13 DQ14 DQ14 220RH...
  • Page 54 OFF-PAGE CONNECTION MS_CLK SD_CLK FCI_CLK 3in1CONNECTOR MCR I/F CARD-VTREK 3 in 1 CONNECTOR MS_D0 FCI_D0 SD_D0 SD_CD GPIO7 SD_CD GPIO7 SD_D2 GPIO8 SD_D2 GPIO8 SD_D3 GPIO9 SD_D3 GPIO9 SD_CMD MS_BS FCI_CMD SD_CMD MCR_3V3 SD_SMD SD_VSS MCR_3V3 SD/MMC MCR I/F SD_VDD SD_CLK SD_CLK R194...
  • Page 55 [3,4,5,6,8] AVCC AVCC [3,4,6,8] VCC5V COAXIAL OUT VCC5V 89Q_3V3 89Q_3V3 [3,4] HEADER26_0.5_TOP P_LED+ POWER IN TP70 TP69 TP71 R139 VCOM BOUT R0402 NEARLY CONNECTOR BATT BATT BATT TP64 GOUT CVBS_TV C146 C0402 C147 TP62 CVBS_TV ALIN_R 2.2uF A-IN-R ROUT AUDIO_TV TP60 AUDIO_TV CVBS_INP...
  • Page 56 TP48 LED BACKLIGHT Control R164 220R PVCC TP41 R0402 SOT-23 EC54 SS14 47uF/16V 22uH D-5819 LED+ C166 EC2D2.5X5 1N4148/SMD L_4.5 C0402 EC48 C167 47uF/16v BAV99 0.1uF AVCC AVCC [3,4,6,7] EC2D2.5X5 SOT-23 C0402 TP49 PVCC 1N4148/SMD [3,4,5,6,7] 15uH L_4.5 D15 1N4148 R165 100R R166...
  • Page 65 Disc MTK1389 V Q (Decode/Servo) SDROM ATAPI Buffer Manager Disc motor unit Demodulator Laser Error Correction pickup Focus & Tracking Loading AuDdio Video D/A Filter Focus Track Sied Loading Coil Coil Motor Motor (TFT-LCD ) CD5888 4ch motor Drive Fiash Memory 16M bit...

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