BBK bbk969S Service Manual
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BBK bbk969S Service Manual

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SERVICE MANUAL
bbk969S

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  • Page 1 SERVICE MANUAL bbk969S...

  • Page 2: Table Of Contents

    C O N T E N T S S AF E T Y P R EC AUT IONS P R E V E NT ION OF E LE C T R O S TATIC DIS C HAR G E (E S D)TO E LE C T R OS TATIC ALLY S E NS IT IV E (E S )DE V IC E S C ONT R OL B UT T ON LOC AT IONS AND E XP LANAT IONS P R E V E R TION OF S TATIC E LE C T R IC IT Y DIS C HAR G E...

  • Page 3: S Af E T Y P R Ec Aut Ions

    1. SAFETY PREAUTIONS 1.1 GENERAL GUIDELINES 1. When servicing, observe the original lead dress. if a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barrier, insulation papers shields are properly installed.

  • Page 6: Prevention Of Static Electricity Discharge

    4.PREVENTION OF STATIC ELECTRICITY DISCHARGE The laser diode in the traverse unit (optical pickup)may brake down due to static electricity of clothes or human body. Use due caution to electrostatic breakdown when servicing and handling the laser diode. 4.1.Grounding for electrostatic breakdown prevention Some devices such as the DVD player use the optical pickup(laser diode)and the optical pickup will be damaged by static electricity in the working environment.Proceed servicing works under the working environment where grounding works is completed.

  • Page 7: Assembling And Disassembling The Mechanism Unit

    5. Assembling and disassembling the mechanism unit 51. Assembling the mechanism unit RJB2720A １. Traverse mechanism (include Optical pickup unit) ２．Middle chassis (combined traverse chassis) Mechanismchassis ４．Tray MotorPCB ６．Clamp Plate...

  • Page 8: Miscellaneous

    5.2 MISCELLANEOUS 5.2.1 Protection of the LD(Laser diode) Short the parts of LD circuit pattern by soldering. 5.2.2 Cautions on assembly and adjustment Make sure that the workbenches,jigs,tips,tips of soldering irons and measuring instruments are grounded,and that personnel wear wrist straps for ground. Open the LD short lands quickly with a soldering iron after a circuit is connected.

  • Page 9: Electrical Confirmation

    6.Electrical Confirmation 6.1. Video Output (Luminance Signal) Confirmation DO this confirmation after replacing a P.C.B. Measurement point Mode Disc Color bar 75% DVDT-S15 Video output terminal PLAY(Title 46):DVDT-S15 PLAY(Title 12):DVDT-S01 DVDT-S01 Measuring equipment,tools Confirmation value 200mV/dir,10 sec/dir 1000mVp-p±30mV Purpose:To maintain video signal output compatibility. 1.Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
  • Page 10 6.2 Video Output(Chrominance Signal) Confirmation Do the confirmation after replacing P.C.B. Measurement point Mode Disc Color bar 75% DVDT-S15 Video output terminal PLAY(Title 46):DVDT-S15 PLAY(Title 12):DVDT-S01 DVDT-S01 Measuring equipment,tools Confirmation value Screwdriver,Oscilloscope 200mV/dir,10 sec/dir 621mVp-p±30mV Purpose:To maintain video signal output compatibility. 1.Connect the oscilloscope to the video output terminal and terminate at 75 ohme.

  • Page 11: Mpeg Board Check Waveform

    7.MPEG BOARD CHECK WAVEFORM 7.1 27MHz WAVEFORM DIAGRAM 7.2 IC5L0380R PIN.2 WAVEFORM DIAGRAM...

  • Page 12: Ic Block Diagram & Description

    MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE 8. IC BLOCK DIAGRAM & DESCRIPTION 8.1 MT1336 GENERAL DESCRIPTION M T 1 3 3 6 i s a h i g h p e r f o r m a n c e C M O S a n a l o g f r o n t -e n d I C f o r b o t h C D _ R O M d r i v e r u p t o 4 8 X S a n d D V D - R O M d r i v e r u p t o 1 6 X S .
  • Page 13 MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE DVDA RFOP DVDB ATTENUATOR INPUT MUX RFON DVDC LRFRP DEFECT DVDD HRFRP CRTP DVDRFIN ENVELOP ENVELOP CRTPLP DETECTOR DETECTOR DVDRFIP REFCOS HALLCOS SBAD COSPHI DPFN REFSIN DPFO HALLSIN SINPHI DPDMUTE MDI2...
  • Page 14 MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE W O BSO W V D D A G N D X DVDA A G N D X DVDB A V D D O DVDC R FO P DVDD R FO N DVDRFI P...
  • Page 15 MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE MT1336 PIN DESCRIPTIONS Pin Numbers Symbol Type Description LQFP128 RF Flag Interface DEFECT Digital Output Flag of bad data output status RF SIO interface SCLK Digital Input RF serial clock input SDEN Digital Input RF serial data enable...
  • Page 16 MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE RFGCU Analog RF AGC loop capacitor connecting for DVD -RAM RFGCI Analog RF AGC loop capacitor connecting for DVD -RAM Analog Input DC coupled DVD-RAM main-beam RF signal input A Analog Input DC coupled DVD-RAM main-beam RF signal input B Analog Input...
  • Page 17 MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Analog Input MDI1 Laser power monitor input LDO1 Analog Ou tput Laser driver output Analog Input MDI2 Laser power monitor input LDO2 Analog Output Laser driver output RF RIPPLE CRTP Analog RF top envelop filter capacitor connecting...
  • Page 18 MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE ALPC TRIMMING Analog input Trimming pin for ALPC1 Analog input Trimming pin for ALPC1 Analog input Trimming pin for ALPC2 Analog input Trimming pin for ALPC2 HIGH SPEED TRACK COUNTING TRLP Analog Low-pass filter capacitor connecting...
  • Page 19 MT1336 PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE...
  • Page 20 MT1379 Progressive Scan DVD Player Combo Chip Speci f i c ati o ns are subj e ct to change wi t hout noti c e 8.2 MT1379 § Tray control can be PWM output or digital output Super Integration DVD player single chip §...
  • Page 21 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE § cycle timings Downmix function § § Block-based sector addressing Support IEC 60958/61937 output § Programmable buffering counter for buffer status - PCM / bit stream / mute mode tracking - Custom IEC latency up to 2 frames §...
  • Page 22 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE EFINITIONS Pin Number Symbol Type Description IREF Analog Input Current reference input. It generates reference current for data PLL. Connect an ext ernal 100K resistor to this pin and PLLVSS. PLLVSS Ground Ground pin for data PLL and related analog circuitry...
  • Page 23 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description HIGHA6 Inout Microcontroller address 14 2~16MA, SR HIGHA7 Inout Microcontroller address 15 2~16MA, SR Inout Microcontroller address/data 7 2~16MA, SR Inout Microcontroller address/data 6 2~16MA, SR Inout Microcontroller address/data 5...
  • Page 24 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description IOA7 Inout Microcontroller address 7 / IO 2~16MA, SR Output Flash address 16 2~16MA, SR Output Flash address 17 2~16MA, SR IOA18 Inout Flash address 18 / IO 2~16MA, SR IOA19 Inout...
  • Page 25 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description UP1_7 Inout Microcontroller port 1 -7 4MA, SR PU, SMT UP3_0 Inout Microcontroller port 3 -0 4MA, SR PU, SMT UP3_1 Inout Microcontroller port 3 -1 4MA, SR PU, SMT INT0#...
  • Page 26 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description RD14 Inout DRAM data 14 2~16MA, SR PU/PD, SMT RD13 Inout DRAM data 13 2~16MA, SR PU/PD, SMT RD12 Inout DRAM data 12 2~16MA, SR PU/PD, SMT DVDD3 Power...
  • Page 27 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description DQM0 Output Mask for DRAM input/output byte 0 2~16MA, SR Output DRAM bank address 0 2~16MA, SR RA10 Output DRAM address10 2~16MA, SR DVDD2 Power 2.5V power pin for internal digital circuitry Output...
  • Page 28 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description RD23 Inout DRAM data 23 / 2~16MA, SR Videoin Data PortA 7 PU/PD, SMT RD22 Inout DRAM data 22 / 2~16MA, SR Videoin Data PortA 6 PU/PD, SMT DVDD2 Power...
  • Page 29 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description ASDATA3 Inout Audio serial data 3 (surround left/surround right channel) Trap value in power-on reset : PD SMT 1 : manufactory test mode 0 : normal operation OR Videoin Data PortB 1 ASDATA4 Inout...
  • Page 30 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Pin Number Symbol Type Description SPDATA Input Audio data of SPDIF input / Videoin Data PortB 5 DVDD2 Power 2.5V power pin for internal digital circuitry SPLRCK Input Audio left/right channel clock of SPDIF input / Videoin Data PortB 6 SPBCK Input...
  • Page 31 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE 26 Jul, 2002 Page 1 of 2 IREF YUV0/CIN PLLVSS LPIOP VREF LPION DACVDDC LPFON ASDATA4 LPFIP ASDATA3 LPFIN ASDATA2 LPFOP ASDATA1 JITFO ASDATA0 JITFN SPDIF PLLVDD3 MC_DATA ACLK DVDD3 TROPENPWM ALRCK...
  • Page 32 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE UNCTIONAL LOCK D V D m o d u l e S e r v o A n a l o g S p i n d l e D e b u g S y s t e m T V e n c o d e r...
  • Page 33 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE controller changes the mode and speed of operation according to servo register setting. The PWM generator generates pulse -width-modulated signal to drive disc spindle motor driver. CSS/CPPM The CSS/CPPM module provides functions necessary for decoding discs conforming to CSS/CPPM specification. System Parser The system parser is used to help the system controller to decode DVD/SVCD/VCD bitstream just after the channel decoder performing error correction.
  • Page 34 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE This is a hardware sub-picture decoder. It decodes the compressed SPU image bitstream and CHG_COLCON commands according to SPU header information previously decoded by system controller. The SPU module also allows two SPU objects to be displayed at the same time.
  • Page 35 MT1379 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE LECTRICAL HARACTERISTICS Absolute Maximum Rating Symbol Parameters Value Unit VDD3 3.3V Supply voltage -0.3 to 3.6 VDD2 2.5V Supply voltage -0.3 to 3.0 VDDA Analog Supply voltage -0.3 to 3.6 Input Voltage -0.3 to 5.5 Output Voltage...
  • Page 36 IC BLOCK DIAGRAM & DESCRIPTION 8.3 HY29F800 KEY FEATURES n Sector Protection n 5 Volt Read, Program, and Erase – Minimizes system-level power requirements – Any combination of sectors may be n High Performance locked to prevent program or erase –...

  • Page 37: Block Diagram

    IC BLOCK DIAGRAM & DESCRIPTION BLOCK DIAGRAM DQ[15:0] A[18:0], A-1 STATE C O N T R O L ERASE VOLTAGE I/O BUFFERS G E N E R A T O R A N D DQ[15:0] S E C T O R S W I T C H E S C O M M A N D W E # REGISTER...
  • Page 38 IC BLOCK DIAGRAM & DESCRIPTION PIN CONFIGURATIONS RY/BY# RESET# W E # BYTE# DQ15/A-1 DQ14 DQ13 DQ12 W E # Standard BYTE# RESET# DQ11 TSOP48 DQ15/A-1 RY/BY# DQ10 DQ14 DQ13 DQ10 DQ12 DQ11 BYTE# DQ15/A-1 DQ14 DQ13 DQ12 W E # Reverse RESET# DQ11...
  • Page 39 HY57V641620HG 4 Banks x 1M x 16Bit Synchronous DRAM 8.4 HY57V641620HG DESCRIPTION The Hyundai HY57V641620HG is a 67,108,864-bit CMOS Synchronous DRAM, ideally suited for the main memory applications which require large memory density and high bandwidth. HY57V641620HG is organized as 4banks of 1,048,576x16. HY57V641620HG is offering fully synchronous operation referenced to a positive edge of the clock.
  • Page 40 HY57V641620HG PIN CONFIGURATION DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 54pin TSOP II 400mil x 875mil 0.8mm pin pitch LDQM UDQM /CAS /RAS A10/AP PIN DESCRIPTION PIN NAME DESCRIPTION The system clock input. All other inputs are registered to the SDRAM on the Clock rising edge of CLK Controls internal clock signal and when deactivated, the SDRAM will be one...

  • Page 41: Functional Block Diagram

    HY57V641620HG FUNCTIONAL BLOCK DIAGRAM 1Mbit x 4banks x 16 I/O Synchronous DRAM Self refresh logic Internal Row & timer counter 1Mx16 Bank 3 1Mx16 Bank 2 Row active Decoders 1Mx16 Bank 1 1Mx16 Bank 0 Memory refresh Cell Array Column Column Active UDQM...
  • Page 42 9.SCHEMATIC & P.C.B WIRING DIAGRAM FRONT SCHEMATIC DIAGRAM SEG1 GRID4 SEG8 GRID3 SEG7 GRID2 SEG6 GRID1 SEG5 SEG4 SEG3 LED4 LED3 SEG2 LED3 LED2 SEG1 LED2 LED1 LED1 KEY4 KEY3...
  • Page 43 FRONT SCHEMATIC DIAGRAM...
  • Page 44 SUBSIDIARY FRONT SCHEMATIC DIAGRAM...
  • Page 45 SUBSIDIARY FRONT SCHEMATIC DIAGRAM...
  • Page 46 POWER BOARD SCHEMATIC DIAGRAM...
  • Page 47 POWER BOARD SCHEMATIC DIAGRAM...
  • Page 48 OUTPUT BOARD SCHEMATIC DIAGRAM...
  • Page 49 OUTPUT BOARD SCHEMATIC DIAGRAM...
  • Page 50 MAIN SCHEMATIC DIAGRAM...
  • Page 51 MAIN SCHEMATIC DIAGRAM...
  • Page 52 MAIN SCHEMATIC DIAGRAM...
  • Page 53 MAIN SCHEMATIC DIAGRAM...
  • Page 54 MAIN SCHEMATIC DIAGRAM...
  • Page 55 10.DV939S MATERIAL LIST 1 DECODING BOARD MATERIAL SPECIFICATIONS/PART NUMBER QUANTITY LOCATION L243~L248,R205,R219,R220,R240, R241,R243,R250,R255,R259,R309, SMD RESISTOR 1/16W 0 ±5% R311,R324,R325,R2162,R2167,VD2 04,R256,R267,R224,R323 R312,R313,R317,R318,R331,R3 SMD RESISTOR 1/16W1 ±5% 32,R333 SMD RESISTOR R212,R213,R251,R252 1/16W 4.7 ±5% SMD RESISTOR R314,R315 1/16W 22 ±5% R229~R235,R246,R247,R254,R2 SMD RESISTOR 83,R284,R2107~R2109,R2159,R 1/16W 33 ±5%...
  • Page 56 TC221,TC222,TC223,TC224,TC NPCD CD71 16V22U±20% 5×11 2 240,TC241 TC210,TC212,TC214,TC249,TC CD110 16V22U±20%5×11 2 250,TC251 TC204,TC206,TC215,TC237,TC 239,TC242,TC243,TC245 CD11 16V47U±20%5×11 2 TC247,TC302~TC305,TC308,T C309 TC207,TC211,TC213,TC235,TC CD11 16V220U±20%6×12 2.5 248,TC301 METAL POLYESTER CL21X 50V 104 ±5% 5mm C2106~C2110,C2155 FILM CAPACITOR SMD CAPACITOR 50V 10P ±5% NPO 0603 C309 SMD CAPACITOR 50V 27P ±5% NPO 0603...
  • Page 57 SMD CAPACITOR 10V 225 +80%-20% 0805 C226,C228 SMD INDUCTOR 1.8UH ±10% 1608 L210~L215 SMD INDUCTOR 10UH ±10% 2012 L306,L319 L204,L205,L207,L209,L216,L21 SMD INDUCTOR RH354708 7,L252 SMD MAGNETIC L239~L242,L301~L305,L307~L FCM1608K-221T05 BEADS 318,L320~L324,L329~L331 VD201,VD205~VD207,VD301,V SMD DIODE 1N4148 D202 VD201,VD205~VD207,VD301,V SMD DIODE LS4148 55.1 D202 VD201,VD205~VD207,VD301,V SMD DIODE...
  • Page 58 CARBON FILM 1/4W1K±5% SHAPED 10 R507,R513 RESISTOR METAL FILM 1/4W1K±1% R509 RESISTOR METAL FILM 1/4W1.5K±1% R508 RESISTOR CARBON FILM 1/4W10K±5% SHAPED 10 R502,R514 RESISTOR CARBON FILM 1/4W4.7K±5% SHAPED 10 R510 RESISTOR CARBON FILM 1/4W22K±5% SHAPED 10 R512 RESISTOR METAL OXIDE FILM 1W330 ±5% R-SHAPED 15×8 R511 RESISTOR...
  • Page 59 CHOKE COIL VERTICAL 10UH 2A 5mm L506,L507 SWITCHING POWER BCK-28-0287 T501 TRANSFORMER DIODE HER105 D508,D511,D512,D513 SCHOTTKY DIODE SR360 D509,D510 SCHOTTKY DIODE SR160 D514 0.6 SHAPED 5mm JP504 CONNECTION CORDS DIODE HER107 D505 VOLTAGE 5.1V 1/2W ZD501 REGULATOR DIODE VOLTAGE 9.1V 1W ZD502 REGULATOR DIODE DIODE...
  • Page 60 CARBON FILM 1/4W2.2 ±5% SHAPED 10 R418 RESISTOR CARBON FILM R415 1/4W100 ±5% RESISTOR CARBON FILM 1/4W100 ±5% SHAPED 10 R415 RESISTOR CARBON FILM 1/4W1K±5% R420 RESISTOR CARBON FILM 1/4W10K±5% R406 R410,R416,R417 RESISTOR CARBON FILM 1/4W10K±5% SHAPED 10 R406 R410,R416,R417 RESISTOR CARBON FILM 1/4W33K±5%...
  • Page 61 CARBON FILM 1/4W68 ±5% R703 RESISTOR SMD RESISTOR 1/16W 100 ±5% R702 CARBON FILM R701 1/4W220 ±5% RESISTOR CARBON FILM 1/4W330 ±5% R709 RESISTOR CARBON FILM 1/4W2.2 ±5% SHAPED 10 R706 RESISTOR SMD RESISTOR 1/16W 1K ±5% R711 CARBON FILM R708 1/4W33 ±5% RESISTOR...

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