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BBK DV313S Service Manual

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SERVICE MANUAL
DV313S

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Summary of Contents for BBK DV313S

  • Page 1 SERVICE MANUAL DV313S...
  • Page 3 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 Front Panel Illustration POWER switch button PLAY/ PAUSE Disc tray STOP button IR SENSOR button MIC VOLUME knob MIC jack Display window OPEN/CLOSE button...
  • Page 5 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 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 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 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 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 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 7.MPEG BOARD CHECK WAVEFORM 7.1 27MHz WAVEFORM DIAGRAM 7.2 IC VIPER22 PIN.5 WAVEFORM DIAGRAM...
  • Page 13 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 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 SDRAM 16Mb H-die(x16) CMOS SDRAM 512K x 16Bit x 2 Banks SDRAM FEATURES • 3.3V power supply • LVTTL compatible with multiplexed address • two banks operation • MRS cycle with address key programs -. CAS Latency ( 2 & 3) -.
  • Page 19 SDRAM 16Mb H-die(x16) CMOS SDRAM PIN CONFIGURATION (TOP VIEW) DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 LDQM N.C/RFU UDQM A10/AP 50PIN TSOP (II) (400mil x 825mil) (0.8 mm PIN PITCH) PIN FUNCTION DESCRIPTION Name Input Function System Clock Active on the positive going edge to sample all inputs. Disables or enables device operation by masking or enabling all inputs except Chip Select CLK, CKE and L(U)DQM...
  • Page 20 SDRAM 16Mb H-die(x16) CMOS SDRAM FUNCTIONAL BLOCK DIAGRAM Data Input Register LDQM Bank Select 512K x 16 512K x 16 Column Decoder Latency & Burst Length LCKE Programming Register LRAS LCBR LCAS LWCBR LDQM Timing Register L(U)DQM * Samsung Electronics reserves the right to change products or specification without notice. Rev.
  • Page 21 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 9. SCHEMATIC & PCB WIRING DIAGRAM FRONT SCHEMATIC DIAGRAM...
  • Page 25 FRONT SCHEMATIC DIAGRAM...
  • Page 26 POWER BOARD SCHEMATIC DIAGRAM...
  • Page 27 POWER BOARD SCHEMATIC DIAGRAM...
  • Page 28 OK SCHEMATIC DIAGRAM...
  • Page 29 OK SCHEMATIC DIAGRAM...
  • Page 30 OUTPUT BOARD SCHEMATIC DIAGRAM...
  • Page 31 OUTPUT BOARD SCHEMATIC DIAGRAM...
  • Page 32 MIAN SCHEMATIC DIAGRAM...
  • Page 33 MIAN SCHEMATIC DIAGRAM...
  • Page 34 MIAN SCHEMATIC DIAGRAM...
  • Page 35 MIAN SCHEMATIC DIAGRAM...
  • Page 36 10. SPARE PARTS LIST DV313S MATERIAL LIST 1. MAIN PANEL MATERIAL CODE MATERIAL NAME SPECIFICATIONS UNIT UANTIT LOCATION LIGHT TOUCH RESTORE 1340064 KFC-A06-2WB L3.8 K401~K403 SWITCH 0260241 CD11C 16V4.7U±20%4×7 1.5 TC401 0260206 CD11C 10V100U±20%5×7 2 TC403,TC407 1980048 MIC SOCKET ST-403-070-100...
  • Page 37 0090019 SMD RESISTOR 1/16W 4.7K ±5% 0603 R704 0090014 SMD RESISTOR 1/16W 1K ±5% 0603 R711 0090017 SMD RESISTOR 1/16W 2.2K ±5% 0603 R710 0000132 CARBON FILM RESISTOR 1/6W2.2K±5% SHAPED 7.5 R712 0090006 SMD RESISTOR 1/16W 75Ω ±5% 0603 R705 0310066 SMD CAPACITOR 50V 102 ±10% 0603...
  • Page 38 R231,R232,R256,R263,R26 0090005 SMD RESISTOR 1/16W 33Ω ±5% 0603 4,R294,R295,L202 0090009 SMD RESISTOR 1/16W 330Ω ±5% 0603 R221,R277,R281 0090013 SMD RESISTOR 1/16W 680Ω ±5% 0603 R259,R260 R213,R215,R254,R2102~R2 0090014 SMD RESISTOR 1/16W 1K ±5% 0603 104,R2117~R2120 0090016 SMD RESISTOR 1/16W 1.5K ±5% 0603 R323,R324 0090249 SMD RESISTOR...
  • Page 39 0310067 SMD CAPACITOR 50V 152 ±10% 0603 C215 0310068 SMD CAPACITOR 50V 222 ±10% 0603 C307,C310 0310201 SMD CAPACITOR 50V 153 ±10% 0603 C210 0310055 SMD CAPACITOR 16V 333 ±10% 0603 C225 310056 SMD CAPACITOR 16V 473 ±10% 0603 C219,C220 0310362 SMD CAPACITOR 16V474 +80%-20% 0603...