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LG BD370 Service Manual
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LG BD370 Service Manual

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Av. Sor Juana lnés de la Cruz No 555
Col. San Lorenzo
Tlalnepantla, Estado de México CP 54033
Tel. 321 19 00 Fax. 5 657549
Lada sin costo 01 800 50 481 00
P/NO : AFN70285080
FEB, 2009
BLU-RAY DISC PLAYER
SERVICE MANUAL
MODEL : BD370
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"
IN THIS MANUAL.
Internal Use Only
Website http://biz.lgservice.com

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  • Page 1 Internal Use Only Website http://biz.lgservice.com BLU-RAY DISC PLAYER SERVICE MANUAL MODEL : BD370 Av. Sor Juana lnés de la Cruz No 555 Col. San Lorenzo Tlalnepantla, Estado de México CP 54033 CAUTION Tel. 321 19 00 Fax. 5 657549 BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”...
  • Page 2 SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ..ELECTRICAL SECTION 4 ..HL-04P LOADER PART SECTION 5 ..REPLACEMENT PARTS LIST Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Table Of Contents

    SERVICING PRECAUTIONS .......................... 1-4 • General ServicinG PrecautionS • inSulation checkinG Prodedure • electroStatically SenSitive (eS) deviceS SOFTWARE UPGRADE ..........................1-5 SPECIFICATIONS ............................1-6 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 4: Product Safety Servicing Guidelines For Blu-Ray Disc Player Products

    When servicing this product, under no circumstances should the original design be modified or altered without permission from lG corporation. all components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs.

  • Page 5: Servicing Precautions

    Note 1 : accessible conductive Parts include Metal panels, tricity sufficient to damage an eS device.) input terminals, earphone jacks,etc. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 6: Software Upgrade

    SOFTWARE UPGRADE • Burn a dvd recordable disc or uSB with a file that is named to “lG_Bd_lv400M.roM(Bd370)”. • insert a upgrading disc or uSB. • Show help message for disc upgrade as follows. < in the case of Back end program & Front end program >...

  • Page 7: Specifications

    More than 95dB lan port: ethernet jack x 1, 10BaSe-t/100BaSe-tX Note : design and specifications are subject to change prior notice. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 8 1. caBinet and Main FraMe Section ....................2-3 2. deck MechaniSM Section (hl-04P) ....................2-4 3. PackinG acceSSory Section ......................2-5 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Disassembly Instructions

    4. remove the nine front panel hooks (four hooks on the top, two hooks on the both side and three hooks on the bottom) to seperate the front panel. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 10: Exploded Views

    Purchase order board separately supply incomprehensible. Supply is possible in location no. a50 state in exploded views. Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Deck Mechanism Section (Hl-04P)

    1049 1011 1041 1026 1017 1030 1433 1013 1020 1020 1016 1015 CABLE3 1012 CABLE4 LOADER BOARD 1046 1047 1439 1048 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 12: Packing Accessory Section

    808 Battery 812 Plug ass'y 900 remote control 823 hdMi cable 801 instruction ass'y 804 Bag 803 Packing 803 Packing 802 Box Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 MEMO LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 14 1. Main P.c.Board ..........................3-75 2. SMPS P.c.Board ..........................3-77 3. led & key P.c.Board ........................3-79 4. tiMer P.c.Board ..........................3-80 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 15: Training Master For Blu-Ray (Bd)

    Bd is problem, please see service chart for service information. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 16 Bd is problem, please see service chart for service information. Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 Bd is problem, please see service chart for service information. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 18 Bd is problem, please see service chart for service information. Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 Bd is problem, please see service chart for service information. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 20: No Picture

    Bd is problem, please see service chart for service information. Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 Bd is problem, please see service chart for service information. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 22 Bd is problem, please see service chart for service information. Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 Bd is problem, please see service chart for service information. 3-10 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 24 Set up service according to in warranty or out of warranty procedures. 3-11 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 25: Picture Color

    Bd is the problem, please see service chart for service information. 3-12 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 26 Bd is the problem, please see service chart for service information. 3-13 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 27: Noise/Audio Problems

    Bd is problem, please see service chart for service information. 3-14 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 28 Bd is problem, please see service chart for service information. 3-15 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 3-16 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 30: Miscellaneous

    Follow guidelines strikes or power outages? for service for a Bd out of warranty. 3-17 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 Bd player needs to be cleaned. recommend a lens cleaner. Service Bd if lens cleaner was used. 3-18 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 32 15 to 30 seconds. if the disc reset the unit? remains stuck in the unit after the reset, the unit will need service. 3-19 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 Please refer to the oM for instructions on how to program remote to tv. customer wants to program a remote does the customer want to other than Zenith or lG, the customer will need to contact program their remote? the manufacturer of the remote control. codes do not work, remote is not compatible.
  • Page 34 Bd player needs to be cleaned. recommend a lens cleaner. Service Bd if lens cleaner was used. 3-21 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 Bd player needs to be cleaned. recommend a lens cleaner. Service Bd if lens cleaner was used. 3-22 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 36 Quality and engineering? the customer is describing email this information to Matt Wedgman so the issue can be reported to the factory. 3-23 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 3-24 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 38 3-25 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 39: Blu-Ray Player

    Second, you must activate the youtube. the youtube? it is necessary to refer to owner’s Manual. this Service is not for free. 3-26 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 40 Select home Menu -> Setup -> others -> Software update menu. 3-27 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 41: Youtube

    [netWork] menu. and then check the network status Configuration indicator changes according to network configuration. 3-28 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 42 3-29 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 43: Electrical Troubleshooting Guide

    2.5v at the ic103 Pin1? replace ic102 is the ic102 normal? Power line of main PcB is short 3-30 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 44 “H” signal from µ-com “H” signal from µ-com “H”? “H”? Check or Replace Check or Replace the IC151 the IC154 3-31 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 45: Power On

    VFD power cable connect Display "LG LOGO" Proper display cable connection display on monitor cable connect Normal TV function OK 3-32 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 46: System Part

    CA211 : 5V X301 : 27MHz X301 Change X302 : 25MHz X102 Change System part OK Check IC301 Main Board 3-33 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 47: Component (Ypbpr) Video Out

    Re-soldering C913, C914, C915 Re-soldering Signal OK? R923, R924, R925 Re-soldering Signal OK? JK904 Re-soldering Soldering OK? Component Video OK 3-34 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 48: Cvbs Video Out

    CVBS video no display C910 IC301 Check Video signal input R913 IC901 Check Video signal output JK904 Re-soldering Soldering OK? CVBS Video OK 3-35 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 49: Audio (S/Pdif, Optical)

    IC301 Check output OK? JK903 Red JK903 (Pin2) IC204 Check Lighting OK? +5.0V OK? JK903 Re-soldering S/PDIF, OPTICAL audio out OK 3-36 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 50: Audio (Analog)

    Amp OK? CA907, CA908 IC904 Check audio output R949, R950, Re-soldering JK904 (Pin2, 5) soldering OK? Audio Output OK 3-37 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 51: Hdmi

    +2.0V < Voltage < +5.3V check (from IC301) JK902 Pin15, 16 Check HDMI Voltage (SCL, SDA) Level Shifter HDMI out OK 3-38 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 52: Waveforms

    WAVEFORMS 1. SYSTEM PART-1 IC301 MT8520 MT8520 XTAL 27MHz IC301 MT8520 MT8520 XTAL 25MHz for SATA Loader 3-39 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 53: System Part-2 (System Memory)

    2. SYSTEM PART-2 (SYSTEM MEMORY) MT8520 DDR2_A_BA[0] MT8520 DDR2_A_WE# MT8520 DDR2_A_CAS# MT8520 DDR2_A_CLK0 3-40 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 54: Video Part-1 (100% Full Color-Bar)

    3. VIDEO PART-1 (100% FULL COLOR-BAR) CVBS_I 3-41 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 55: Video Part-2 (100% Full Color-Bar)

    4. VIDEO PART-2 (100% FULL COLOR-BAR) CVBS COMP_Y COMP_Pb COMP_Pr 3-42 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 56: Audio Part (S/Pdif)

    5. AUDIO PART (S/PDIF) ASPDIF 3-43 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 57: Hdmi Part

    6. HDMI PART HDMI_SDA HDMI_SCL HDMI_CLK HDMI_DATA 3-44 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 58: Front I/F Part

    7. FRONT I/F PART T_TX R_RX 3-45 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 59: Block Diagrams

    BLOCK DIAGRAMS 1. OVERALL BLOCK DIAGRAM 3-46 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 60: Smps Block Diagram

    2. SMPS BLOCK DIAGRAM 3-47 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 61: System Block Diagram

    3. SYSTEM BLOCK DIAGRAM 3-48 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 62: Mt8520/Ddr2-Sdram/Nand/Flash/Eeprom Block Diagram

    4. MT8520/DDR2-SDRAM/NAND/FLASH/EEPROM BLOCK DIAGRAM 3-49 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 63: Mt8520/Hdmi/Ethernet/Usb/Av Block Diagram

    5. MT8520/HDMI/ETHERNET/USB/AV BLOCK DIAGRAM 3-50 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 64: Micom And Timer Block Diagram

    6. MICOM AND TIMER BLOCK DIAGRAM 3-51 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 65: Smps Power Signal Block Diagram

    7. SMPS POWER SIGNAL BLOCK DIAGRAM 3-52 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 66: Main Board Power Signal Block Diagram

    8. MAIN BOARD POWER SIGNAL BLOCK DIAGRAM 3-53 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 67 9. TIMER/LED/MICOM POWER SIGNAL BLOCK DIAGRAM 3-54 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 68: Level Shifter/Cec/Efuse Block Diagram

    10. LEVEL SHIFTER/CEC/EFUSE BLOCK DIAGRAM 3-55 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 69 MEMO 3-56 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 70: Circuit Diagrams

    3.3VA No Power D123 is Defective 3.3V NoPower IC153 are Defective No Power F101 is Defective Switching Error IC102,IC103 are Defective 3-57 3-58 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 71: Power/Timer/Usb Circuit Diagram

    2. POWER/TIMER/USB CIRCUIT DIAGRAM 3-59 3-60 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 72: Mt8520-1 Circuit Diagram

    3. MT8520-1 CIRCUIT DIAGRAM 3-61 3-62 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 73: Mt8520-2 Circuit Diagram

    4. MT8520-2 CIRCUIT DIAGRAM 3-63 3-64 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 74: Led & Key Circuit Diagram

    5. LED & KEY CIRCUIT DIAGRAM 3-65 3-66 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 75: Timer Circuit Diagram

    6. TIMER CIRCUIT DIAGRAM 3-67 3-68 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 76: Ddr2-Sdram Circuit Diagram

    7. DDR2-SDRAM CIRCUIT DIAGRAM 3-69 3-70 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 77: Nand/Flash/Ethernet Circuit Diagram

    8. NAND/FLASH/ETHERNET CIRCUIT DIAGRAM 3-71 3-72 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 78: Av/Hdmi Circuit Diagram

    9. AV/HDMI CIRCUIT DIAGRAM 3-73 3-74 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 79: Printed Circuit Board Diagrams

    PRINTED CIRCUIT BOARD DIAGRAMS 1. MAIN P.C.BOARD (TOP VIEW) (BOTTOM VIEW) 3-75 3-76 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 80: Smps P.c.board

    2. SMPS P.C.BOARD (TOP VIEW) (BOTTOM VIEW) 3-77 3-78 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 81: Led & Key P.c.board

    3. LED & KEY P.C.BOARD 4. TIMER P.C.BOARD (TOP VIEW) (TOP VIEW) (BOTTOM VIEW) (BOTTOM VIEW) 3-79 3-80 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 82 2. LIC301 (R2A30232sp) : spIndLE mOtOR And 6Ch ACtUAtOR dRIVER ........4-20 CIRCUIT DIAGRAM ..........................4-23 CIRCUIT VOLTAGE CHART ......................... 4-25 PRINTED CIRCUIT BOARD DIAGRAMS ..................4-27 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 83: Electrical Troubleshooting Guide

    Check pin1 of LIC501 Check the LIC501 2.2V (VFVREF) : Check pin2 of LIC501 2.2V (VhAVC) : Check pin3 of LIC501 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 84: System Check

    • Replace the traverse assembly. (Pick-up) does bd/dVd-ROm • Check the new firmware version . disc play rightly? Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 85: Tray Operating Is Abnormal

    Check the connector LpF301 drive voltage output? and FFC cable connection. (Loading motor) Check the loading motor and front loading mechanism. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 86: Sled Operating Is Abnormal

    (LIC201 pin6,8,9,10) Is there sled drive voltage output? (Lpm302 pin1,2,3,4) Check the connection Lpm302. Replace the sled motor. Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 87: Spindle Operating Is Abnormal

    • Replace the LIC201. Is there spindle motor input Replace the spindle motor. voltage? (Lpm301 (traverse assembly) pin3,4,5,6) Check the Connection Lpm301. LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 88: Focus Actuator Operating Is Abnormal

    (LIC201 pin34,35) Check the signal pattern and application Check the connection components LCn700 pin1,2. Replace the traverse assembly. (pick-up) Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 89: Laser Operating Is Abnormal

    (LCn700 pin39,40,41,42) application components pin44,45,46, Replace the LIC501. Check the connector LCn700 and pick-up FFC cable connection Replace the traverse assembly. (pick-up) LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 90: How To Use The Bar-Code Scan Tool

    After you install the Loader tester program, the LoaderTest.exe file will appear in the wallpaper(background) of windows. LoaderTester.exe is a program execution file. Setup.exe.txt is the install Report file. Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 91: Running Bar-Code Scan Tool

    Values display Result Output window AtApI Command display status and Result Click “stARt” in order to insert bar-Code Values 4-10 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 92: Bar-Code Scan Procedure

    “nG” will display in the result windows. In case you got “ nG” result, please check procedure up from 2 to 8. then try it again. 4-11 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 93: Internal Structure Of The Pick-Up

    INTERNAL STRUCTURE OF THE PICK-UP 1. OPTICAL LAYOUT 2- OBL type 650/780nm LD 405nm LD DVD/CD Layout Blu-ray Layout 4-12 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 94: Sf-Bd411 Pdic Composition

    2. SF-BD411 PDIC COMPOSITION Vref SA SD RF+,RF-(BD) RF+,RF- (DVD/CD) 4-13 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 95: Pick-Up Connector Terminal Pin Assignments

    Clock Input terminal sdIO serial Resistor data Input/Output terminal XRst serial Resistor REsEt Input terminal Gnd1_Ldd Ldd Gnd terminal tEmp thermistor 4-14 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 96: Major Ic Internal Block Diagram And Pin Description

    MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 1. LIC501 (MT8575) : Blu-ray SIGNAL PROCESSOR SINGLE CHIP 1-1. Pin Assignment 4-15 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 97 1-2. Block Diagram 4-16 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 98 AGnd_2 Analog Ground Ground pin AVdd12_2 Analog power(1.2V) power pin AGnd_3 Analog Ground Ground pin AVdd33_3 Analog power(3.3V) power pin 4-17 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 99 75k pull-up write protection in normal serial flash mode but in quad I/O, sFwp# as serial data input/data output 4-18 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 100 Vss for pad output buffer of dRAm die. 59,71, dVdd12I digital power (1.2V) Vdd for internal circuit. 110,115 digital Ground Vss for digital pad 4-19 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 101: Lic301 (R2A30232Sp) : Spindle Motor And 6Ch Actuator Driver

    2. LIC301 (R2A30232SP) : SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2-1. Block Diagram 4-20 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 102 FOIn Focus control voltage input LOIn Loading control input Reference voltage input 4-21 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 103 MEMO 4-22 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 104: Circuit Diagram

    CIRCUIT DIAGRAM 4-23 4-24 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 105: Circuit Voltage Chart

    0.00 0.00 1.20 1.41 0.00 0.00 3.30 1.41 0.00 0.00 1.41 0.00 PULSE 1.41 1.39 3.30 1.41 1.32 3.30 4-25 4-26 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 106: Printed Circuit Board Diagrams

    PRINTED CIRCUIT BOARD DIAGRAMS (TOP VIEW) 4-27 4-28 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 107 (BOTTOM VIEW) 4-29 4-30 LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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