1. Manuals
  2. Brands
  3. BBK Manuals
  4. DVD Player
  5. DV527S
  6. Service manual

BBK DV527S Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
DV527S

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the DV527S and is the answer not in the manual?

Questions and answers

Related Manuals for BBK DV527S

Summary of Contents for BBK DV527S

  • Page 1 SERVICE MANUAL DV527S...

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS PREVENTION OF ELECTRO STATIC DISCHARGE(ESD)TO ELECTROSTATICALLY SENSITIVE(ES)DEVICES CONTROL BUTTON LOCATIONS AND EXPLANATIONS PREVERTION OF STATIC ELECTRICITY DISCHARGE ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST BRACKET EXPLOSED VIEW AND PART LIST MISCELLANEOUS ELECTRICAL CONFIRMATION VIDEO OUTPUT (LUMINANCE SIGNAL) CONFIRMATION...

  • Page 3: Safety Precautions

    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 4: Control Button Locations And Explanations

    Front Panel Illustration 4 4 5 POWER switch PLAY/PAUSE button Card reader Disc tray STOP button USB port LED display window OPEN/CLOSE button...

  • Page 5: 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 6: Assembling And Disassembling The Mechanism Unit

    5. Assembling and disassembling the mechanism unit 5.1 Optical pickup Unit Explosed View and Part List Pic (1)
  • Page 7 Materials to Pic (1) PARTS CODE PARTS NAME Q ty 14692200 SF-HD60 1EA0311A06300 ASSY, CHASSIS, COMPLETE 1EA0M10A15500 ASSY, MOTOR, SLED 1EA0M10A15501 ASSY, MOTOR, SLED 1EA2451A24700 HOLDER, SHAFT 1EA2511A29100 GEAR, RACK 1EA2511A29200 GEAR, DRIVE 1EA2511A29300 GEAR, MIDDLE, A 1EA2511A29400 GEAR, MIDDLE, B 1EA2744A03000 SHAFT, SLIDE 1EA2744A03100...

  • Page 8: Bracket Explosed View And Part List

    5.2 Bracket Explosed View and Part List Pic (2) Materials to Pic(2) 1.bracket 14. front silicon rubber 2.belt 15. Back silicon rubber 3.screw 16. Pick-up 4.belt wheel 17. Pick-up 5.gearwheel 18. switch 6.iron chip 19. Five-pin flat plug 7. Immobility mechanism equipment 20.

  • Page 9: Miscellaneous

    5.3 MISCELLANEOUS 5.3.1 Protection of the LD(Laser diode) Short the parts of LD circuit pattern by soldering. 5.3.2 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 10: 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 11: Video Output(Chrominance Signal) Confirmation

    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 12: Mpeg Board Check Waveform

    7.MPEG BOARD CHECK WAVEFORM 7.1 27MHz WAVEFORM DIAGRAM 7.2 IC VIPER22 PIN.5 WAVEFORM DIAGRAM...

  • Page 13: Am29Lv160D

    8. Am29LV160D 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory DISTINCTIVE CHARACTERISTICS Single power supply operation Embedded Algorithms — Full voltage range: 2.7 to 3.6 volt read and write — Embedded Erase algorithm automatically operations for battery-powered applications preprograms and erases the entire chip or any combination of designated sectors...

  • Page 14: Block Diagram

    PRODUCT SELECTOR GUIDE Family Part Number Am29LV160D Speed Option Voltage Range: V = 2.7–3.6 V -120 Max access time, ns (t Max CE# access time, ns (t Max OE# access time, ns (t Note: See “AC Characteristics” for full specifications. BLOCK DIAGRAM –...
  • Page 15 CONNECTION DIAGRAMS BYTE# DQ15/A-1 DQ14 DQ13 DQ12 Standard TSOP RESET# DQ11 RY/BY# DQ10 BYTE# DQ15/A-1 DQ14 DQ13 DQ12 RESET# Reverse TSOP DQ11 RY/BY# DQ10...
  • Page 16 CONNECTION DIAGRAMS RESET# BYTE# DQ15/A-1 DQ14 DQ13 DQ10 DQ12 DQ11 FBGA Top View, Balls Facing Down BYTE# DQ15/A-1 DQ14 DQ13 RESET# DQ12 RY/BY# DQ10 DQ11 Special Handling Instructions Flash memory devices in FBGA packages may be damaged if exposed to ultrasonic cleaning methods. Special handling is required for Flash Memory products The package and/or data integrity may be compromised in FBGA packages.
  • Page 17 PIN CONFIGURATION LOGIC SYMBOL A0–A19 = 20 addresses DQ0–DQ14 = 15 data inputs/outputs A0–A19 16 or 8 DQ15/A-1 = DQ15 (data input/output, word mode), DQ0–DQ15 A-1 (LSB address input, byte mode) (A-1) BYTE# = Selects 8-bit or 16-bit mode = Chip enable = Output enable = Write enable RESET#...

  • Page 18: Hy57V641620Hg

    HY57V641620HG 4 Banks x 1M x 16Bit Synchronous DRAM 8.1 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 19 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 20: 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 21: Mt1389

    8.2 MT1389 MT1389 Progressive-Scan DVD Player SOC Specifications are subject to change without notice MediaTek MT1389 is a DVD player system-on-chip (SOC) which incorporates advanced features like high quality TV encoder and state-of-art de-interlace processing. The MT1389 enables consumer electronics manufacturers to build high quality, cost-effective DVD players, portable DVD players or any other home entertainment audio/video devices.
  • Page 22 MT1389 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE General Feature List 1024-bytes on-chip RAM Super Integration DVD player single chip Up to 4M bytes FLASH-programming interface High performance analog RF amplifier Supports 5/3.3-Volt. FLASH interface Servo controller and data channel processing Supports power-down mode MPEG-1/MPEG-2/JPEG video Supports additional serial port...
  • Page 23 MT1389 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE Audio Effect Processing TV Encoder Dolby Digital (AC-3)/EX decoding Six 108MHz/12bit DACs DTS/DTS-ES decoding Support NTSC, PAL-BDGHINM, PAL-60 MLP decoding for DVD-Audio Support 525p, 625p progressive TV format MPEG-1 layer 1/layer 2 audio decoding Automatically turn off unconnected channels MPEG-2 layer1/layer2 2-channel audio Support PC monitor (VGA)

  • Page 24: Schematic & Pcb Wiring Diagram

    9. SCHEMATIC & PCB WIRING DIAGRAM FRONT SCHEMATIC DIAGRAM...
  • Page 25 FRONT SCHEMATIC DIAGRAM...
  • Page 26 FRONT SCHEMATIC DIAGRAM LED901 RED LED XS901 Seg2 KEY2 XS04 2.0 K901 STANDBY...
  • Page 27 FRONT SCHEMATIC DIAGRAM...
  • Page 28 POWER BOARD SCHEMATIC DIAGRAM...
  • Page 29 POWER BOARD SCHEMATIC DIAGRAM...
  • Page 30 OK SCHEMATIC DIAGRAM...
  • Page 31 OK SCHEMATIC DIAGRAM...
  • Page 32 SUBSIDIARY BOARD...
  • Page 33 SUBSIDIARY BOARD...
  • Page 34 OUTPUT BOARD SCHEMATIC DIAGRAM...
  • Page 35 OUTPUT BOARD...
  • Page 36 MIAN SCHEMATIC DIAGRAM...
  • Page 37 MIAN SCHEMATIC DIAGRAM...
  • Page 38 MIAN SCHEMATIC DIAGRAM...
  • Page 39 MIAN SCHEMATIC DIAGRAM...
  • Page 40 MIAN SCHEMATIC DIAGRAM...
  • Page 41 4-IN-1 CARD + USB BOARD...
  • Page 42 4-IN-1 CARD + USB BOARD...

  • Page 43: Spare Parts List

    10. SPARE PARTS LIST DV527S MATERIAL LIST 1. MAIN PANEL MATERIAL CODE MATERIAL NAME SPECIFICATIONS UNIT UANTI LOCATION PLACING 2PCS BETWEEN 13×6×5 DOUBLE-FACED HARD (50- 5233703 SOFT SPONGE SPACER LED SCREEN AND FRONT DEGREE) PANEL PCB PLACING 1PC BETWEEN 5233704 SOFT SPONGE SPACER 8×7×7 DOUBLE-FACED (50-DEGREE)
  • Page 44 VOLTAGE REGULATOR 0580032 10V 1/2W ZD502 DIODE 0881933 VIPER22A DIP8 U501 0880553 LM431ACZ TO-92 U503 880581 TL431C TO-226AA(LP) U503 0880800 431L TO-92 U503 0882041 MIK431C TO-92 U503 MAGNETIC BEADS 0390057 RH354708 L503 INDUCTOR PHOTOELECTRIC 1080011 HS817 U502 COUPLER PHOTOELECTRIC 1080006 PC817 U502 COUPLER...
  • Page 45 2100006 CONNECTION CORDS Φ0.6 SHAPED 12.5mm JP702 1860029 SCART SOCKET SCART-01 JK706 0200031 PORCELAIN CAPACITOR 50V 20P ±10% NPO 5mm C712 0780050 TRIODE S8050D V701~V703 1940026 SOCKET 3P 2.0mm XS702 0000167 CARBON FILM RESISTOR 1/4W33Ω±5% R708 4. 4-IN-1 CARD + USB BOARD MATERIAL CODE MATERIAL NAME SPECIFICATIONS...
  • Page 46 0310058 SMD CAPACITOR 25V 104 +80%-20% Y5V 0603 C601,C602,C604,C605,C623 0310234 SMD CAPACITOR 16V 105 +80%-20% Y5V 0603 C609,C611,C612 0000339 CARBON FILM RESISTOR 1/6W3.3K±5% SHAPED 7.5 R629 0000134 CARBON FILM RESISTOR 1/6W5.1K±5% SHAPED 7.5 R611 0260094 CD110 16V47U±20%5×11 2 TC614 ~ TC618 260025 CD11 16V47U±20%5×11 2 TC614 ~ TC618...
  • Page 47 0090021 SMD RESISTOR 1/16W 6.8K ±5% 0603 R2136,R2148,R2152~R2155 R208,R229,R252,R309,R311, R313,R314,R329,R330,R339, 90023 SMD RESISTOR 1/16W 10K ±5% 0603 R2164,R2106,R344,R345,R21 08,R2101,R2102,R2105 0090024 SMD RESISTOR 1/16W 15K ±5% 0603 R209,R223 0090025 SMD RESISTOR 1/16W 20K ±5% 0603 R211,R312,R315,R316 0090255 SMD RESISTOR 1/16W24K±5% 0603 R2137,R2141,R2145,R2149 0090027 SMD RESISTOR...
  • Page 48 0310056 SMD CAPACITOR 16V 473 ±10% X7R 0603 C219,C220 0310362 SMD CAPACITOR 16V 474 +80%-20% Y5V 0603 C218 0390044 SMD INDUCTOR 10UH ±10% 2012 L303,L306 390096 SMD INDUCTOR 1.8UH ±10% 1608 L243~L248 L205,L209,L217,L220,L221, MAGNETIC BEADS 0390057 RH354708 L222,L223,L227,L228,L302, INDUCTOR L351 L201,L203,L207~L208,L234~ L236,L238,L250,L309,L229~ L232,L301,L304,L305,L307,...

Table of Contents