LG LHB976 Service Manual
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LG LHB976 Service Manual

Network 3d blu-ray disc home theater system
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See also: Owner's Manual
Internal Use Only
Website http://biz.lgservice.com
NETWORK 3D Blu-ray Disc™
HOME THEATER SYSTEM
SERVICE MANUAL
MODEL: LHB976
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"
IN THIS MANUAL.
P/NO : AFN75354401
DECEMBER, 2010

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  • Page 1 Internal Use Only Website http://biz.lgservice.com NETWORK 3D Blu-ray Disc™ HOME THEATER SYSTEM SERVICE MANUAL MODEL: LHB976 CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. P/NO : AFN75354401 DECEMBER, 2010...
  • Page 2 CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..ELECTRICAL SECTION 3 ..CABINET & MAIN CHASSIS SECTION 4 ..BCM7633 F/E LOADER PART SECTION 5 ..REPLACEMENT PARTS LIST...

  • Page 3: Table Of Contents

    SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR BLU-RAY DISC HTS PRODUCTS ...... 1-3 SERVICING PRECAUTIONS .......................... 1-4 • GENERAL SERVICING PRECAUTIONS • INSULATION CHECKING PRODEDURE • ELECTROSTATICALLY SENSITIVE (ES) DEVICES SERVICE INFORMATION FOR EEPROM ....................1-5 1. BD / DVD PART 2.

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

    SERVICING PRECAUTIONS CAUTION: Before servicing the BLU-RAY DISC HTS covered Electrostatically Sensitive (ES) Devices by this service data and its supplements and addends, read Some semiconductor (solid state) devices can be damaged and follow the SAFETY PRECAUTIONS. NOTE: if unfore- easily by static electricity.

  • Page 6: Service Information For Eeprom

    SERVICE INFORMATION FOR EEPROM 1. BD / DVD PART POWER ON FLD “HOME” DETECT NEW EEPROM (OPTION EDIT SCREEN) Option Edit Press “Home” in Remocon Byte No. Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7 Pause key 1 + 4 + 7 + 2 in order. [00] [08] [16]...

  • Page 7: Micom Part

    2. MICOM PART POWER ON FLD no disc status Remote control ‘2’ + Front ‘STOP’ DETECT NEW EEPROM push same timing during 5 s (OPTION EDIT SCREEN) NAME FLD ‘OP-0…. Use arrow key ( ) to move to appropriate position and make changes Press ENTER key once FLD ‘write ok’...

  • Page 8: Software Upgrade

    SOFTWARE UPGRADE • Burn a DVD recordable disc or USB with a file that is named to “LG_HB_6100B33.ROM”. • Insert a upgrading disc or USB. • Show help message for disc upgrade as follows. < in the case of Back End program & Front End program > Press play key to upgrade and it will show progress information After completing upgrade then power is off.

  • Page 9: Firmware Update For Wireless Device

    FIRMWARE UPDATE FOR WIRELESS DEVICE 1. WIRELESS MODULE UPDATE METHOD Update must be performed without interference. 1) Select “1” on test band. - You must select a band without interference. 2) USB update - During the software update procedure, do not turn off the unit. 2-1) Copy the update fi...

  • Page 10: Network Update

    NETWORK UPDATE You can update the fi rmware by connecting your unit device directly to the S/W update server. Confi guring Network Settings To update the fi rmware by connecting your player directly to the S/W update server, your player must be connected to network.
  • Page 11 If newer version exists, 5) If newer version exists, the message “A new update was found. Do you want to download it?” appears. Select OK to download the update. (Selecting CANCEL will end the update.) 6) The player starts downloading the newest update from the SBP server.
  • Page 12 9) Update will be processed Caution : Do not turn off the power during fi rmware update. 10) When update is completed, the message, “Update is complete.” will appear, and the power will turn off automatically after 5 seconds. 11) Turn the power back on. The system now operates with the new version.

  • Page 13: Specifications

    SPECIFICATIONS • GENERAL Power requirements Refer to main label on the rear panel. Power consumption Refer to main label on the rear panel. Dimensions (W x H x D) Approx. 433.5 x 57 x 281 mm (17 x 2.2 x 11 inches) Net Weight (Approx.) 3.5 kg (7.7 lbs) Operating temperature...
  • Page 14 • SPEAKERS Front speaker (Left/ Right) Type 2 Way 3 speaker Input Power 180 W Max. Input power 360 W Net Dimensions (W x H x D) 280 x 1152 x 225 mm (11 x 45 x 8.9 inches) Net Weight 3.33 kg (7.34 lbs) Rear speaker (Left/ Right) Type...
  • Page 15 MEMO 1-14...
  • Page 16 SECTION 2 ELECTRICAL CONTENTS DIGITAL DISPLAY & MEDIA TRAINING MASTER ..................2-2 1. DISTORTED PICTURE ........................... 2-2 2. NO PICTURE ............................2-7 3. PICTURE COLOR ..........................2-12 4. NOISE/AUDIO PROBLEMS ........................2-14 5. MISCELLANEOUS ..........................2-17 6. BLU-RAY PLAYER ..........................2-26 7.

  • Page 17: Digital Display & Media Training Master

    DIGITAL DISPLAY & MEDIA TRAINING MASTER Objective: To provide clear and concise guidelines for customer service agents to handle calls on box goods calls. 1. DISTORTED PICTURE 1-1. Lines on Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect What cables is the BD to the TV and if connected properly.
  • Page 18 DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-2. Ghost Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
  • Page 19 DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-3. Rolling Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
  • Page 20 DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-4. Shaky Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
  • Page 21 DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-5. Blurry Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.

  • Page 22: No Picture

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 2. NO PICTURE 2-1. Black Screen The entire screen is black. Make sure the customer did not select 480i resolution in the menu Does the BD on-screen of the BD player if using HDMI connections. Change resolution on menu appear? upconversion BD player by pushing the resolution button of the remote controller.
  • Page 23 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-2. Blue Screen The entire screen is a solid blue color. Make sure the customer did not select 480i resolution in the menu Does the BD on-screen of the BD player if using HDMI connections. Change resolution on menu appear? upconversion BD player by pushing the resolution button of the remote controller.
  • Page 24 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-3. Snowy Screen A snowy picture is when black and white dots are all over the screen. Make sure the customer did not select 480i resolution in the menu Does the BD on-screen of the BD player if using HDMI connections. Change resolution on menu appear? upconversion BD player by pushing the resolution button of the remote controller.
  • Page 25 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-4. No Signal A “no signal” message appears on the screen of the display. Make sure the customer did not select 480i resolution in the Does the BD on-screen menu of the BD player if using HDMI connections. Change resolution on menu appear? upconversion BD player by pushing the resolution button of the remote controller.
  • Page 26 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-5. Invalid Format or Format Not Supported Make sure the customer’s simultaneously connecting analog component cable with HDMI cable. And then If Copy Protected Disc is playing back, Is the customer using a analog component output is no picture. Only when the analog output digital cable connection? is 480i, you can see the picture.

  • Page 27: Picture Color

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 3. PICTURE COLOR 3-1. No Color The video displays no color and only shows in black and white. Determine what cables the customer is using to connect the BD What cables is the customer to the TV and if connected properly.
  • Page 28 DIGITAL DISPLAY & MEDIA TRAINING MASTER 3-2. Poor Color The color is poor. Examples would be washed out colors, colors bleeding into one another, or a solid tint to a screen. Determine what cables the customer is using to connect the BD to What cables is the customer the TV and if connected properly.

  • Page 29: Noise/Audio Problems

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 4. NOISE/AUDIO PROBLEMS 4-1. No Audio The customer is not able to get audio. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
  • Page 30 DIGITAL DISPLAY & MEDIA TRAINING MASTER 4-2. Distorted Audio The audio sounds muffled, scratchy, or the audio skips. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
  • Page 31 DIGITAL DISPLAY & MEDIA TRAINING MASTER 4-3. Humming/Clicking Noise The unit is making a humming noise or a clicking noise. BDs make a slight hum when playing discs. Does the noise only A clicking noise or a noise interfering with audio may indicate a problem. happen when a disc Try multiple discs.

  • Page 32: Miscellaneous

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 5. MISCELLANEOUS 5-1. No Power The unit will not turn on. Is the unit plugged in? Make sure the unit is plugged into a surge protector or the wall. Does the unit turn on See if the unit will turn on when the power button the unit is pressed.
  • Page 33 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-2. Disc Error The unit displays “disc error” when a disc is inserted into the BD player. Is the disc inserted into Make sure the disc has been inserted into the BD player properly. the BD player properly? The player can not read a disc inserted into the unit upside down.
  • Page 34 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-3. Unit Locks Up Unit does not respond to any commands. If the unit will turn on or off with the button on the unit, Does the unit respond to troubleshoot the remote control. Please refer to the buttons on the unit? Remote Control Not Working call flow.
  • Page 35 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 36 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-6. Will Not Play Disc The unit will not play a disc when a disc is inserted into the player. Is the disc inserted into Make sure the disc has been inserted into the BD player properly. the BD player properly? The player can not read a disc inserted into the unit upside down.
  • Page 37 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-7. Disc Freezes or Skips The audio and video freeze and skip during play back of a BD or DVD disc. Is the disc inserted into Make sure the disc has been inserted into the BD player properly. the BD player properly? The player can not read a disc inserted into the unit upside down.
  • Page 38 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-8. Can Access Menu, but Not Play a Movie The disc menu is displayed but the disc will not play. Go into the system information screen of the BD player. To access this menu, bring up the main menu. Go to TV aspect, Check the system information highlight 16:9, press 1397139 and hit enter.
  • Page 39 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-10. Aspect Ratio The customer has bars on the top and bottom of the screen, the left and right of the screen, or both. A full screen movie played on a wide screen TV will have bars Is the movie on the left and right side of the TV.
  • Page 40 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-11. My Unit Won’t Upconvert The customer has a problem with getting the unit to change resolutions to 480p, 720p, 1080i, or 1080p. Ask the customer to press stop to stop the disc from playing. Is the disc Ask the customer to press the resolution button to change the resolution.

  • Page 41: Blu-Ray Player

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 6. BLU-RAY PLAYER 6-1. Slow Loading Times for BDs The loading times for a blu-ray disc is 30 seconds. Why does it take so When a customer switches from one disc to another, the lens long to load my BDs? will change which is what causes the delay.

  • Page 42: Netflix

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 7. NETFLIX 7-1. Network Setup (By connecting the unit to broadband Internet, you can use Netflix function) Connect the player’s LAN port to the corresponding port on your Modem Check the Network Router using a LAN cable. Use a commercially available straight LAN cable Connection (Category 5/CAT5 or better with RJ45 connector) If there is a DHCP (Dynamic Host Configuration Protocol) server on the...
  • Page 43 DIGITAL DISPLAY & MEDIA TRAINING MASTER 7-2. Activation Activating the unit establishes a connection between the unit and Netflix account Visit www.netflix.com/LG for your free trial. Netflix member? After finishing to join the Netflix, select the [activate] then press ENTER Wait for the activation screen to appear on your TV screen.
  • Page 44 DIGITAL DISPLAY & MEDIA TRAINING MASTER 7-4. ESN (Electronic Serial Number) Validation ( Select [OTHERS] on the [Setup] menu. And then Select [Netflix] on the [OTHERS] menu. And then Check [Netflix ESN].) Does it begin with “LGE-XXXXX-” followed by “8-digit” ? If not, the set has a bad ESN (It should not happen) Example ) -->...
  • Page 45 DIGITAL DISPLAY & MEDIA TRAINING MASTER 7-5. Less Bandwidth and less resolution movie than expected The Quality indicator during movie retrieval corresponds to the following bandwidth requirements: • 1.0 Mbps • 1.5 Mbps • 2.6 Mbps • Best quality is 3.8 Mbps Do you have adequate We recommend a minimum connection speed of 1.5Mbps.
  • Page 46 DIGITAL DISPLAY & MEDIA TRAINING MASTER 7-6. Errors from Netflix server Following operations could be abnormal if Netflix server is dead • Activation • Queue retrieving • Movie playback • Category list Is it activated successfully? If Netflix NCCP server is dead, it fails in activating even if ESN is valid, Does it fail to retrieve queue Network is setup correctly but it fails in retrieving the queue list, data? (Title List)

  • Page 47: Youtube

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 8. YouTube 8-1.Frequent buffering happens while playing videos. Network Condition Meter indicate current network speed between BD Player and YouTube stream server. To play videos without buffering, Network Condition Meter should have more than 3 Bars. Do you have adequate We recommend a minimum connection speed of 1.5Mbps.

  • Page 48: Cinemanow

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 9. CINEMANOW 9-1. Entering the Cienmanow Function. (Before using the Cinemanow function, it guides a user network status) To enter cinemanow mode, it try to check internet connection. If failed, it displays the popup message to the user. Does It connect to internet? User can move to [Home] menu or [Network setting] menu as our guideline.
  • Page 49 DIGITAL DISPLAY & MEDIA TRAINING MASTER 9-2. Activation (To rent or buy titles, a user must activate the player, Activating the unit establishes a connection between the unit and Cinemanow account) Visit www.cinemanow.com/activate If you are not member of cinemanow, Request activation code press “Get started”...
  • Page 50 DIGITAL DISPLAY & MEDIA TRAINING MASTER 9-3. Purchase titles (To watch the stream video, you should browse and buy titles at the player.) To rent a title is more cheaper than buy, Select the title that you want but it only available 24 hour period, starting from the first time they are played.
  • Page 51 DIGITAL DISPLAY & MEDIA TRAINING MASTER 9-4. Less Bandwidth and less resolution movie than expected The Quality indicator during movie retrieval corresponds to the following bandwidth requirements: • 1 box is 0.7 Mbps • 2 boxs is 1.0 Mbps • 3 boxs is 1.5 Mbps •...
  • Page 52 DIGITAL DISPLAY & MEDIA TRAINING MASTER 9-6. Check your internet connection Before starting cinemanow service, it is checked whether internet is connected or not, but during the network communication, it is detected that internet connection is closed. # Check Internet Access A user make it sure that internet connection is working.
  • Page 53 A user can consult ISP or IT manager. Still you have a problem, LG examine it for the detail reason. There is a problem with your connection. Please make sure your internet connection is working properly. 2-38...

  • Page 54: My Media

    To connect DLNA server, user must have PC with DLNA server program or NAS with DLNA server certifi ed. LG gives My Media bundle SW disc(PC DLNA Program for Windows). Another way is to use just fi le sharing method, this is based on the standard of CIFS (Common Internet File System).
  • Page 55 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-3. How can I connect network? External Internet Network Connection AV Connection DLNA Servers or DLNA Server Software or NAS Share Folder PC Share Folder DLNA/CIFS File Sharing Range In home network, Access Point is connected to PC, NAS, BD player, etc. My Media operation is guaranteed within only one Access Point.
  • Page 56 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-4. How can I Install PC bundle program for DLNA? PC and BD Player are connected to one access point. Check your network Check Setup -> Network Status, is it connected normally? Insert bundle CD in your PC and install program. Install PC Bundle SW PC Server adds Firewall Exception of nero mdeia server automatically.
  • Page 57 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-5. How can I Share new files and folders using DLNA? 1. Double-click the “Nero MediaHome 4 Essentials” icon on the desktop tray. 2. Click [Network] icon on the left and define your network name in the [Network name] field.
  • Page 58 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-7. Network Error case 1. Check Unit Network Status No Server Found 2. Check the server and BD Player are connected to same access pointer. 3. Check server turn on. 1.Check Server status 2.if Server is ok, retry to conect server Network Error, 3.if server has no response, restart server Congestion Error...
  • Page 59 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-8. Video Media Error case 1. Check your share folders on the media server program in the PC. 2. Find file you want to play. Cannot play this file 3. Check that file extension is avi, mpg, mpeg. 4.
  • Page 60 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-9. I can not find Nero media server 1.Local Area Network Should be connected Check Unit Network Statu 1.Check that computer’s IP Address subset is same with player’s. (ex, Unit 192.168.1.15, computer 192.168.1.xxx ) Check PC Network status 1.Check Network Interface.
  • Page 61 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-10. Movie Playability Error Case 1. Check video codec : ResumeStop/Search/Marker are not supported when the video codec is MPEG1 ResumeStop/Search/Marker 2. Check AVI file structure are not supported : A AVI file without index table does not support ResumeStop/Search/Marker 3.
  • Page 62 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-12. Folder Sharing in Windows XP 1. Right-click the appropriate folder > Click Sharing and Security... > As shown below [picture 1] and [picture 2], Properties window is shown. Properties window is changed as shown below [Picture 1] and [Picture 2] with check [Use simple fi le sharing] in [Tools]-[Folder options]-[View] but available to set sharing with check or not.
  • Page 63 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-13. Folder Sharing in Windows Vista 1. By default, folder sharing process is same as Windows XP. 2. The other things is the menu as shown below picture and Remember to release “Password-protected sharing” option. In control panel >...
  • Page 64 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-14. No Server Found 1. Check Computer Turn On 2. Check Computer is same network router. 3. Try Rescanning Button (Blue Button) No Server Found 4. Then if Server is not found at Server Menu, Check Network property. (No Server icon At server Menu) Start ->...
  • Page 65 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-15. I can not find shared folder on the Select a Server window 1. Check the network sharing is based on DLNA or CIFS Check your Network Sharing - Server displayed on “Select a Server” has blue ball ( ) is based on DLNA.
  • Page 66 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-16. User can go directly last used folder after power up. But it may happen not to go directly last used folder. • Wait 5 or 6 second after displaying the Home Menu, then enter the My Media Menu (See the following figure) : If you enter the My Media during the background server search time, Can’t find the used folder when...
  • Page 67 DIGITAL DISPLAY & MEDIA TRAINING MASTER 10-17. What do I input for requiring ID and Password? When you share folder on your PC, you may share folder with user ID and Password. If it’s needed ID/Password for using the shared folder, you can enter ID/Password by using Keyboard menu. If you can not see folder’...

  • Page 68: Wireless Network Setup

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 11. WIRELESS NETWORK SETUP 11-1. Basic Guidance for wireless network troubles. ■ Expectable Causes 1. BD-Player maybe do not receive the radio frequency signal interrupted by different obstacle. The obstacle can be walls, objects, and the other wireless device. Or the distance between AP and BD-Player can be the interrupting.
  • Page 69 DIGITAL DISPLAY & MEDIA TRAINING MASTER 11-2. When no Access Points or SSID after access point searching ■ Possible Solutions (By router confi guration change) 1. Check that country setup of AP. The country setup should be set in each country.
  • Page 70 DIGITAL DISPLAY & MEDIA TRAINING MASTER 11-3. When access point connection failed. ■ Expectable Causes 1. A wrong security key. 2. Interference between BD-Player and router. 3. Some obstacles like walls, long distance or another wireless device. ■ Possible Solutions 1.
  • Page 71 DIGITAL DISPLAY & MEDIA TRAINING MASTER 11-4. When wireless dynamic IP is not set. ■ Expectable Causes 1. Interference between BD-Player and router. 2. Wrong confi guration of IP address of AP. ■ Possible Solutions 1. AP should be used as DHCP server. Check whether DHCP server of AP is activated or not.
  • Page 72 DIGITAL DISPLAY & MEDIA TRAINING MASTER 11-5. When only the WAN is not connected ■ Expectable Causes 1. Some problems between AP(router) and ISP(Internet Service Provider) 2. Simple Data Packet Error by Interference between BD-Player and router. ■ Possible Solutions 1.
  • Page 73 DIGITAL DISPLAY & MEDIA TRAINING MASTER 11-6. When both WAN and LAN are not connected in the connection status Retry wireless network setup at the beginning If not working Reset AP to be factory initial status Retry wireless network setup at the beginning If not working Confirm if there are no troubles home local internet line by PC.
  • Page 74 DIGITAL DISPLAY & MEDIA TRAINING MASTER 11-7. When Push Button is not working ■ Expectable Causes & Solutions of Push-Button is not detected 1. This BD-Player’s push button is same meaning of AP’s WPS-Button. To connect with push button function, user must push button of AP and push button of BD-Player.

  • Page 75: Vudu

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 12. VUDU 12-1. Entering the Vudu. (Before using the Vudu function, it guides a user network status) To enter cinemanow mode, it try to check internet connection. Does It connect to internet? If failed, it displays the popup message to the user. User can move to [Home] menu or [Network setting] menu as our guideline.
  • Page 76 DIGITAL DISPLAY & MEDIA TRAINING MASTER 12-3. Purchasing titles (To watch the stream video, you should browse and buy titles at the player.) Rental videos are available for up to 30 days. Select the title and Once you start to play the movie, your viewing period is initiated. Select [Buy] tab in Movie Details Viewing periods differ by movie, but are typically either 24 or 48 hours.
  • Page 77 DIGITAL DISPLAY & MEDIA TRAINING MASTER 12-4. Less Bandwidth and less resolution movie than expected While playing a movie, press ENTER or DISPLAY to show the movie info bar, Switching movie quality level and then use b B to select a movie quality level (HDX, HD or SD) and press ENTER to confirm.

  • Page 78: Picasa

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 13. PICASA 13-1. Create Picasa Web Albums Account Don’t have a Picasa Visit “piccasaweb.google.com” and click the “Create an Account >>” button. Web Albums account? You can get 1GB of free storage which can store about 4,000 pictures. 13-2.

  • Page 79: Pandora

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 14. PANDORA 14-1. Pandora Initial Network Error Policy Pandora Start Does startup query successes Does DNS query Is Ethernet cable from Pandora connected? successes? server? “ Check Ethernet cable” Pop - up Is Ethernet cable connected? “...
  • Page 80 DIGITAL DISPLAY & MEDIA TRAINING MASTER 14-2. Pandora Initial Network Error Policy Pandora Start • A1 : Loading Screen • A2 : Checking Account • A3 : Activation Page • B1 : Sign- In Screen • B2 : Username list Screen •...
  • Page 81 DIGITAL DISPLAY & MEDIA TRAINING MASTER 14-3. Player Buffering Policy ■ When does the "Buffering" pop-up appears? If there is no more data to play at the buffer. The buffer can store about 90 seconds of music data. ■ How much data is buffered? - At the begging of music, 1) If the network is faster than 128Kbps, buffers 16Kbytes of music data and start playing.

  • Page 82: Accuweather

    Please check the network status. 16. MLB.TV 16-1. Game Watch Policy ■ Why before 2010. May games cannot be watched? LG BDP doesn’t support games until 2010. April. Because we do not support the stream transport protocol earlier than 2010. April. 2-67...

  • Page 83: Napster

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 17. NAPSTER 17-1. Sign In Process Have an Napster Sign In for Existing Members Account First Sign-In. Sign Up for a Free Trial Sign In Input Screen The guide message will be shown to users to make an account in Napster webpage Seamless Sign-In 17-2.
  • Page 84 DIGITAL DISPLAY & MEDIA TRAINING MASTER 17-3. Player Buffering Policy ■ Player Buffering Policy Start playback after buffering the fi rst 64 Kbyte data. Keep buffering to Maximum 5 Mbytes while playback. ■ Buffering Popup Condition - At the begging of music, Showing at the initial bufferingstatus and removing when playback starts - After playing music, Showing when there’s no buffered data left and restarting playback after buffering 240 Kbyes data...

  • Page 85: Divx Tv

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 18. Divx TV 18-1. Cannot go into the Divx TV Service. Connect the player’s LAN port to the corresponding port Check on your Modem Router using a LAN cable. the Network Connection Use a commercially available straight LAN cable (Category 5/CAT5 or better with RJ45 connector) If there is a DHCP (Dynamic Host Configuration Protocol) server on the local area network (LAN), this player will automatically be allocated...
  • Page 86 DIGITAL DISPLAY & MEDIA TRAINING MASTER 18-2. Frequent buffering happens while playing videos. Divx TV Bandwidth Requirements • Minimum : 1.5 Mbps • Preferred : 4.0 Mbps • Minimum for HD : 4.5 Mbps Do you have adequate We recommend a minimum connection speed of 1.5Mbps. broadband connection speed For the best quality picture, a connection speed of 4.5Mbps is required.

  • Page 87: Viewster

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 19. VIEWSTER 19-1. Viewster setup. (Before using the Viewster function, it guides a user network status) Connect the player’s LAN port to the corresponding port Check on your Modem Router using a LAN cable. the Network Connection Use a commercially available straight LAN cable (Category 5/CAT5 or better with RJ45 connector)
  • Page 88 DIGITAL DISPLAY & MEDIA TRAINING MASTER 19-2. Purchasing the titles. (user must log-in and pay to watch movie) Press “Watch” tab If you try to watch movie before log-in your player, in Movie Details first the screen will show to choose video and subtitle language. Choose Choose video and subtitle language what you want, video and subtitle language...
  • Page 89 DIGITAL DISPLAY & MEDIA TRAINING MASTER 19-3. Log in Process (user must log-in and pay to watch movie) If you are logged in and browsing a particular film page, Press “Options” tab the app will let you know whether or not that films is in your active in Viewster Main subscription and if it’s in the valid period.

  • Page 90: Accedo

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 20. ACCEDO 20-1. Accedo Feature. Accedo support the service about several games. You can select the game title, and enjoy the game. Accedo menu Select Game Enjoy game Enjoy game 2-75...
  • Page 91 DIGITAL DISPLAY & MEDIA TRAINING MASTER 20-2. Accedo Setup (By connecting the unit to broadband Internet, you can use Accedo function) Connect the player’s LAN port to the corresponding port Check on your Modem Router using a LAN cable. the Network Connection Use a commercially available straight LAN cable (Category 5/CAT5 or better with RJ45 connector) If there is a DHCP (Dynamic Host Configuration Protocol) server...

  • Page 92: One Ponit Repair Guide

    ONE POINT REPAIR GUIDE 1. MAIN SET ONE POINT REPAIR GUIDE 1-1. NO POWER PROBLEM No power problem occurs when you power on the unit. 1-1-1. Fuse & Bridge diode 1-1-1-1. Solution Replace F901, BD901 on SMPS board. 1-1-1-2. How to troubleshoot (Countermeasure) 1) Look at the physical of fuse F901.

  • Page 93: Main Set One Point Repair Guide

    MAIN SET ONE POINT REPAIR GUIDE No power problem occurs when you power on the unit. 1-1-2. VFD, 14 VA, 6 VA, 3.8 VA 1-1-2-1. Solution Replace D921, D923, D925, D926, D927, IC901. 1-1-2-2. How to troubleshoot (Countermeasure) Case 1) FLD Abnormal: Check D927, D926, ZD951, ZD952, FR952 and replace it. Case 2) 6 VA Abnormal: Check D924 and replace it.
  • Page 94 MAIN SET ONE POINT REPAIR GUIDE 1-2. THE LAYOUT OF MAIN PCB JK299 CN251 IC200 TUN01 IC401 IC201 JK251 IC101 JK803 IC801 CN253 JK802 X500 IC150 IC506 JK801 IC500 JK203 CN252 CN255 IC502 IC503 IC151 CN201 JK250 CN150 CN401 < MAIN board top view > 2-79...
  • Page 95 MAIN SET ONE POINT REPAIR GUIDE IC154 IC202 IC405 IC402 IC810 IC102 SIC704 SIC710 IC153 IC152 < MAIN board bottom view > 2-80...
  • Page 96 MAIN SET ONE POINT REPAIR GUIDE 1-3. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 97 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up. 1-3-2. IC153 (NO 3.3 V) 1-3-2-1. Solution Replace IC153 on MAIN board. 1-3-2-2.
  • Page 98 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up. 1-3-3. IC150 (NO 1.2 V) 1-3-3-1. Solution Replace IC150 on MAIN board. 1-3-3-2.
  • Page 99 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up. 1-3-4. IC151 (NO 1.5 V) 1-3-4-1. Solution Replace IC151 on MAIN board. 1-3-4-2.
  • Page 100 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will display “PLEASE WAIT” display on front panel, and it will not boot-up normally. 1-3-5. X500 1-3-5-1. Solution Replace X500 on MAIN board. 1-3-5-2. How to troubleshoot (Countermeasure) 1) Please check the soldering status of 27 MHz crystal (X500).
  • Page 101 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will display “PLEASE WAIT” on front panel, and it will not boot-up normally. 1-3-6. IC506 (NAND FLASH MEMORY) 1-3-6-1. Solution Replace IC506 on MAIN board. 1-3-6-2. How to troubleshoot (Countermeasure) 1) Please check physical status of IC506 on your eyes.
  • Page 102 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will display “PLEASE WAIT” on front panel, and it will not boot-up normally. 1-3-7. IC502, IC503 (DDR3 MEMORY) 1-3-7-1. Solution Replace IC502, IC503 on MAIN board. 1-3-7-2. How to troubleshoot (Countermeasure) 1) Please check 0.8 V of DDR3_CLK01.(between R591).
  • Page 103 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will display “PLEASE WAIT” on front panel, and it will not boot-up normally. 1-3-8. IC500 (MPEG IC) 1-3-8-1. Solution Replace IC500 on MAIN board. 1-3-8-2. How to troubleshoot (Countermeasure) 1) Please Check 1.2 V.
  • Page 104 MAIN SET ONE POINT REPAIR GUIDE When you turn on your set, it will display “PLEASE WAIT” on front panel, and it will not boot-up normally. 1-3-9. Main Board 1-3-9-1. Solution Replace MAIN board. 1-3-9-2. How to troubleshoot (Countermeasure) 1) Please remove IC500, IC502, IC503, and then check the Impedance between each signal (DATA, ADDRESS, and so on.).
  • Page 105 MAIN SET ONE POINT REPAIR GUIDE 1-4. WIRED NETWORK CONNECTION ERROR When you connect Accu Weahter, You-tube or Picasa through the wired LAN, the “no connection“ message appears. 1-4-1. JK250 1-4-1-1. Solution Replace JK250 on MAIN board. 1-4-1-2. How to troubleshoot (Countermeasure) 1) Check you internet connection.
  • Page 106 MAIN SET ONE POINT REPAIR GUIDE 1-5. BAD HDMI VIDEO / AUDIO OUTPUT When unit is connected to HDMI TV using HDMI cable, picture shows bad color, no output or mixed color on the screen. But component output is OK. 1-5-1.
  • Page 107 MAIN SET ONE POINT REPAIR GUIDE 1-6. BAD HDMI VIDEO / AUDIO INPUT When unit is connected to HDMI in(1 or 2) using HDMI cable, picture shows bad color, no output or mixed color on the screen. 1-6-1. JK801 & JK802 1-6-1-1.

  • Page 108: Wireless Receiver One Point Repair Guide

    ONE POINT REPAIR GUIDE 2. WIRELESS RECEIVER ONE POINT REPAIR GUIDE 2-1. NO POWER PROBLEM No power problem occurs when you power on the unit. 2-1-1. Fuse & Bridge diode 2-1-1-1. Solution Replace F901, BD901 on SMPS board. 2-1-1-2. How to troubleshoot (Countermeasure) 1) Look at the physical of fuse F901.
  • Page 109 WIRELESS RECEIVER ONE POINT REPAIR GUIDE No power problem occurs when you power on the unit. 2-1-2. 14 VA, 5.8 VA 2-1-2-1. Solution Replace D921, D922, IC901. 2-1-2-2. How to troubleshoot (Countermeasure) Case 1) 5.1 VA abnormal: Check D922 and replace it. Case 2) 14 VA abnormal: Check D921 and replace it.
  • Page 110 WIRELESS RECEIVER ONE POINT REPAIR GUIDE 2-2. AMP POWER AMP Vcc doesn’t work. (abnormal Sound) 2-2-1. Abnormal sound 2-2-1-1. Solution Refer to the How to troubleshoot (Countermeasure). 2-2-1-2. How to troubleshoot (Countermeasure) Case 1) 35 V abnormal: Replace PC902 or PC903 on SMPS board. Case 2) 35 V abnormal: Replace IC902 / Q902 or D950 on SMPS board.
  • Page 111 WIRELESS RECEIVER ONE POINT REPAIR GUIDE 2-3. THE LAYOUT OF MAIN PCB RIC303 RIC308 RIC307 RIC302 RIC301 < MAIN board top view > < MAIN board bottom view > 2-96...
  • Page 112 WIRELESS RECEIVER ONE POINT REPAIR GUIDE 2-4. NO SPEAKER OUTPUT When unit is connected to Speaker using speaker cable, no speaker output. 2-4-1. AMP board 2-4-1-1. Solution Replace AMP board. 2-4-1-2. How to troubleshoot (Countermeasure) 1) Check Voltage at RCN301. - If 35 V,14 V, 5 V voltage doesn’t come out, re-soldering in RCN301.

  • Page 113: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1. MAIN SET TROUBLESHOOTING 1-1. POWER SUPPLY ON SMPS BOARD No 3.8 VA Replace F901(same fuse). Is the F901 normal? Replace TH901. Is TH901 normal? Is BD901 normal? Replace BD901. Is the Vcc Is D922/ D923 normal? (11 V ~ 25 V) supplied to IC901 pin4? Check or replace D922/ D923.

  • Page 114: Main Set Troubleshooting

    MAIN SET TROUBLESHOOTING No 36 VA / 26 VA Replace Q901(same fuse). Is the Q901 normal? Replace D928. Is D928 normal? Is IC902 normal? Replace IC902. Is the Vcc Is Q910 normal? (11 V ~ 25 V) supplied to IC902 pin7? Check or replace Q910.
  • Page 115 MAIN SET TROUBLESHOOTING 1-2. POWER SUPPLY ON MAIN BOARD No 3.3 V Is the Check 3.8 VA on SMPS board. Vcc 3.8 VA supplied to IC152/ IC153 pin2? Is there Check LDO_CTRL/ DCDC33_CTRL line ‘H’ signal at IC152/ IC153 from IC101(pin58, 68). pin1? Check IC152/ IC153 and replace.
  • Page 116 MAIN SET TROUBLESHOOTING No 1.2 V Is the Check 14 VA on SMPS board. Vcc 14 VA supplied to IC150 pin2? Check the DCDC12_CTRL line Is there 3.3 V at from IC101(pin60). IC150 pin6? Check IC150 and replace. No 1.5 V Is the Check 14 VA on SMPS board.
  • Page 117 MAIN SET TROUBLESHOOTING 1-3. SYSTEM PART Power cord in CN150 Check CN150 “BOOT” display VKK, FL-, + & SMPS board. on FLD OK? check OK? VFD_CLK Check R104, R107, R108 DO, STB vol. level. Replace DIS301. Check DIS301. Check Noise cap. P_sense Power on.
  • Page 118 Check X101 and IC101. X501 Replace X501. 27.00 MHz IC506 Replace IC506 NF_ALE, NF_CLE (Nand Flash). Replace IC500 BCM7632 or IC502, IC503 (DDR3). Proper “LG Logo” assemble MAIN Assemble properly. display on monitor and FRONT board System part OK. 2-103...
  • Page 119 MAIN SET TROUBLESHOOTING 1-4. NO CVBS VIDEO OUTPUT No CVBS video on display Is there Check IC251 signal or Vcc. CVBS signal on R2A8? Is there Replace IC250. CVBS signal out of IC250 pin6? Is there Check R567. signal on CA203? Check JK251 and RCA cable connection.
  • Page 120 MAIN SET TROUBLESHOOTING 1-5. NO AUDIO OUTPUT Optical function IC201 Check JK203 or replace. pin6 OPT_IN signal IC201 Check IC201 or replace. pin26 ~ 29 I2S signal IC401 Check IC401 or replace. Pin23, 24, 26, 27, 29, 30 signal OK? CN401 Check IC404 or replace.
  • Page 121 MAIN SET TROUBLESHOOTING Tuner function IC200 Check tuner module or replace. pin11, 12 audio L/R IC201 Check IC200 or replace. pin13, 14, 15 I2S signal IC401 Check IC201 or replace. pin23, 24, 26, 27, 29, 30 signal CN401 Check CN401 or replace. pin13, 14, 15 signal Update new wireless, μ-COM firmware.
  • Page 122 MAIN SET TROUBLESHOOTING BD / CD / DVD disc or USB play IC511 Check IC500 or replace. pin4, 6, 8, 17 I2S input signal R446, R447, Check IC511 or replace. R448, R432 I2S Input signal R423, Check IC401 or replace. R422, R424 output signal IC401 Check IC201 or replace.
  • Page 123 MAIN SET TROUBLESHOOTING 1-6. NO HDMI OUTPUT No HMDI audio / video output JK803 Check L803 and Vcc 5 V line. pin18 Vcc 5 V JK803 Check hot plug detect signal from TV. pin19 HP_DET about 3.3 V Is there signal on Check IC801 Vcc or replace IC801.
  • Page 124 MAIN SET TROUBLESHOOTING 1-7. NO HDMI INPUT No HMDI audio / video output JK801, Check transmitter device. JK802 pin18 Vcc 5 V OK ? JK801, Check IC801 status. JK802 pin19 HP_DET about 3.3V Is there Replace IC801. signal on JK801, JK802 pin15,16? JK803 Check L803 and Vcc 5 V line.
  • Page 125 ELECTRICAL TROUBLESHOOTING GUIDE 2. WIRELESS RECEIVER TROUBLESHOOTING POWER SUPPLY ON SMPS BOARD No 5.8 VA Replace F901(same fuse). Is the F901 normal? Replace TH901. Is TH901 normal? Is BD901 normal? Replace BD901. Is the Vcc Is D922 normal? (11 V ~ 25 V) supplied to IC901 pin7? Check or replace D922.

  • Page 126: Wireless Receiver Troubleshooting

    WIRELESS RECEIVER TROUBLESHOOTING No 35 VA Replace IC902. Is the IC902 normal? Replace D950. Is D950 normal? Is the Vcc Is Q910 normal? (13 V ~ 27 V) supplied to IC902 pin4? Check or replace D910. Power line of MAIN board is short. 2-111...

  • Page 127: Waveforms

    WAVEFORMS 1. SYSTEM PART-1 (X-TAL) IC500 IC101 X500, 27 MHz X802, 28.63 MHz X101, 20 MHz X200, 24.57 MHz 2-112...

  • Page 128: System Part-2 (Ddr3 Memory)

    2. SYSTEM PART-2 (DDR3 MEMORY) IC500 DDR3_BA0 DDR3_nWE DDR3_nCAS DDR3_CLK01_P 2-113...

  • Page 129: Video Part (100% Full Color-Bar)

    3. VIDEO PART (100% FULL COLOR-BAR) COMPOSITE COMP_Y COMP_Pb COMP_Pr 2-114...

  • Page 130: Hdmi Part

    4. HDMI PART HPD_TX DDC_SDA DDC_SCL TXC+ 2-115...

  • Page 131: Micom And Mpeg I/F Part

    5. MICOM AND MPEG I/F PART BCM_nRESET MICOM_UART_RX2 MICOM_UART_TX2 2-116...

  • Page 132: Wiring Diagrams

    WIRING DIAGRAMS 1. MAIN SET WIRING DIAGRAM 22P FFC CABLE HARNESS MAIN CABLE CN251 CN253 CN252 CN201 CN250 12P B'd to B'd 26P FFC 9P FFC OPTIONAL HARNESS HARNESS CABLE CABLE PART CABLE CABLE 24P FFC CN202 CN203 CABLE Wi-Fi Wireless Bluetooth JACK...

  • Page 133: Block Diagrams

    BLOCK DIAGRAMS 1. MAIN SET BLOCK DIAGRAM 1-1. SMPS BLOCK DIAGRAM FL(+/-) 4.5V -27V System TRANS Snubber 14VA for Power IC EER2828 Rectifier Circuit 5.6V (Bridge, CAPACITOR) IC Peripheral Circuit 3.8VA Filter Section (Varistor, P-CTRL Resistor, Line Filter Thermistor) Standby : 16.5V Digital TRANS...

  • Page 134: Main Set Block Diagram

    MAIN SET BLOCK DIAGRAM 1-2. MPEG / AMP BLOCK DIAGRAM 24.576 MHZ 3.3/5V 3.3V 12C(1) 2ch ADC 24.576 12C(1) 1.2/3.3V (CS5346) 3.3V i-pod NJM2794 Audio DSP 32/39/12V SDRAM CS495314 Portable CS8422 Flash - Decoding TAS5614 3.3V - Processing Tuner 19.2 MHZ 3.3V •Sound Effect SPDIF...
  • Page 135 MAIN SET BLOCK DIAGRAM 1-3. HDMI / VFD / TOUCH / VIDEO / DC-DC BLOCK DIAGRAM TOUCH 12C(2)_Touch Main PCB 12C(1) TOUCH ATLAB Amp PCB SMPS PCB SPI(2) ET16315 - HB906 : 6key (PWR : Tact, Vol : Encoder) - HB966 : 9key EDID_I2C From HDMI...
  • Page 136 MAIN SET BLOCK DIAGRAM 1-4. POWER - BCM / FE / MICOM / HDMI BLOCK DIAGRAM M24C16 HDMI_3V3 TJ3965 3V3_MICOM +3.8VA SOP8 HDMI_1V8 ADV7622 P_SENSE u-COM S7127 LM1117T O252 P_CTRL P_CTRL VCC_5V VCC_5V_HDMI VCC_3V3 VCC_3V3 EDID_EEPROM 3.3V_BCM NAND FLASH 3.3V_BCM TJ3965 VCC_3V3 3.3V_BCM...
  • Page 137 MAIN SET BLOCK DIAGRAM 1-5. POWER - DSP / ADC / DIR / WIRELESS BLOCK DIAGRAM DVDD33 VCC_3V3 1.8V CS497024_DSP LM1117T O252 VCC_3V3 FLASH VCC_3V3 SDRAM VCC_3V3 CS8422_DIR +6VA VCC_3V3 BLUETOOTH VCC_3V3 LM39102-3L VCC_5V CS5346_ADC SOT223 VA5V VCC_5V WIRELESS (WITH SRC_3CH) VCC_5V NJM2794 VCC_5V...
  • Page 138 MAIN SET BLOCK DIAGRAM 1-6. POWER - FRONT / iPod / USB / Wi-Fi / TOUCH BLOCK DIAGRAM FROM_MAIN ET16315 +3.8VA 3.3VA Touch Volume VKK/FL-+ HDD USB(1A) LM39100-3L USB_5V +5.6V SOT223 EXTERNAL HDD IPOD(1A) LM39100-3L IPOD_5V IPOD SOT223 WIFI(310mA) LM39100-3L WIFI WIFI_5V SOT223...

  • Page 139: Circuit Diagrams

    2. Voltages are DC-measured with a digital voltmeter BE MODIFIED OR ALTERED WITH OUT PERMISSION WAY, IMPLEMENTATION OF THE LATEST SAFETY during Play mode. FROM THE LG CORPORATION. ALL COMPONENTS AND PERFORMANCE IMPROVEMENT CHANGES 1-1. SMPS CIRCUIT SHOULD BE REPLACED ONLY WITH TYPES INTO THE SET IS NOT DELAYED UNTIL THE NEW IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT.

  • Page 140: Main Set Circuit Diagram

    MAIN SET CIRCUIT DIAGRAM 1-2. MAIN - CPU#1 CIRCUIT CPU#1 : WAVEFORM NUMBER EBY60991501(#1), REV6.7 2010.12.07 2-133 2-134...
  • Page 141 MAIN SET CIRCUIT DIAGRAM 1-3. MAIN - CPU#2 CIRCUIT : WAVEFORM NUMBER CPU#2 EBY60991501(#2), REV6.7 2010.12.07 2-135 2-136...
  • Page 142 MAIN SET CIRCUIT DIAGRAM 1-4. MAIN - DDR3, NAND CIRCUIT DDR3 / NAND EBY60991501(#3), REV6.7 2010.12.07 2-137 2-138...
  • Page 143 MAIN SET CIRCUIT DIAGRAM 1-5. MAIN - BCM7633 FRONT END CIRCUIT FRONTEND EBY60991501(#4), REV6.7 2010.12.07 2-139 2-140...
  • Page 144 MAIN SET CIRCUIT DIAGRAM 1-6. MAIN - MICOM CIRCUIT MICOM : WAVEFORM NUMBER EBY60991501(#5), REV6.7 2010.12.07 2-141 2-142...
  • Page 145 MAIN SET CIRCUIT DIAGRAM 1-7. MAIN - HDMI CIRCUIT HDMI : WAVEFORM NUMBER EBY60991501(#6), REV6.7 2010.12.07 2-143 2-144...
  • Page 146 MAIN SET CIRCUIT DIAGRAM 1-8. MAIN - ADC, DIR CIRCUIT ADC / DIR : WAVEFORM NUMBER EBY60991501(#7), REV6.7 2010.12.07 2-145 2-146...
  • Page 147 MAIN SET CIRCUIT DIAGRAM 1-9. MAIN - DSP CIRCUIT EBY60991501(#8), REV6.7 2010.12.07 2-147 2-148...
  • Page 148 MAIN SET CIRCUIT DIAGRAM 1-10. MAIN - POWER CIRCUIT POWER EBY60991501(#9), REV6.7 2010.12.07 2-149 2-150...
  • Page 149 MAIN SET CIRCUIT DIAGRAM 1-11. MAIN - I/O CIRCUIT : WAVEFORM NUMBER EBY60991501(#10), REV6.7 2010.12.07 2-151 2-152...
  • Page 150 MAIN SET CIRCUIT DIAGRAM 1-12. PWM CIRCUIT EBY60991601(#1), REV6.1 2010.12.07 2-153 2-154...
  • Page 151 MAIN SET CIRCUIT DIAGRAM 1-13. AMP CIRCUIT EBY60991601(#2), REV6.1 2010.12.07 2-155 2-156...
  • Page 152 MAIN SET CIRCUIT DIAGRAM 1-14. JACK CIRCUIT JACK EBY60991901, REV8.1 2010.12.15 2-157 2-158...
  • Page 153 MAIN SET CIRCUIT DIAGRAM 1-15. FRONT TIMER CIRCUIT FRONT EBY60992001(#1), REV6.1 2010.12.07 2-159 2-160...
  • Page 154 MAIN SET CIRCUIT DIAGRAM 1-16. FRONT TOUCH CIRCUIT TOUCH EBY60992001(#2), REV6.1 2010.12.07 2-161 2-162...
  • Page 155 MEMO MAIN SET CIRCUIT DIAGRAM 1-17. POWER KEY CIRCUIT POWER KEY EBY61050201, REV2.1 2010.12.07 2-163 2-164...

  • Page 156: Wireless Receiver Circuit Diagram

    BE MODIFIED OR ALTERED WITH OUT PERMISSION WAY, IMPLEMENTATION OF THE LATEST SAFETY during Play mode. FROM THE LG CORPORATION. ALL COMPONENTS AND PERFORMANCE IMPROVEMENT CHANGES SHOULD BE REPLACED ONLY WITH TYPES INTO THE SET IS NOT DELAYED UNTIL THE NEW IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT.
  • Page 157 WIRELESS RECEIVER CIRCUIT DIAGRAM 2-2. MAIN - MAIN#1 CIRCUIT MAIN#1 EBY61008601(#1), REV4.2 2010.12.07 2-167 2-168...
  • Page 158 WIRELESS RECEIVER CIRCUIT DIAGRAM 2-3. MAIN - MAIN#2 CIRCUIT MAIN#2 EBY61008601(#2), REV4.2 2010.12.07 2-169 2-170...
  • Page 159 MEMO WIRELESS RECEIVER CIRCUIT DIAGRAM 2-4. LED CIRCUIT EBY61008701, REV2.1 2010.12.07 2-171 2-172...

  • Page 160: Circuit Voltage Chart

    CIRCUIT VOLTAGE CHART 1. ICs 2. CAPACITORS Description Location Division Voltage(V) Location Division Spec(V) Voltage(V) Description Location Division Spec(V) Voltage(V) Location No. Value Description 0.3~15 SMPS 2.0~5.5 3.26 MAIN Board S7127F_ 3.7VA IC103 Assembly IC204,IC205, 74HCT244 0~5.5 3.246 Vout 2.55~2.85 3.26 CA402 100/16V...

  • Page 161: Printed Circuit Board Diagrams

    PRINTED CIRCUIT BOARD DIAGRAMS 1. MAIN SET P. C. BOARD 1-1. MAIN P. C. BOARD (TOP VIEW) 2-175 2-176...

  • Page 162: Main Set P. C. Board

    MAIN SET P. C. BOARD MAIN P. C. BOARD (BOTTOM VIEW) 2-177 2-178...
  • Page 163 MAIN SET P. C. BOARD 1-2. SMPS P. C. BOARD NOTE) Warning Parts that are critical with respect to risk (TOP VIEW) (BOTTOM VIEW) of fire or electrical shock. 2-179 2-180...
  • Page 164 MAIN SET P. C. BOARD 1-3. AMP P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 2-181 2-182...
  • Page 165 MAIN SET P. C. BOARD 1-4. FRONT P. C. BOARD 1-5. POWER KEY P. C. BOARD (TOP VIEW) (TOP VIEW) (BOTTOM VIEW) (BOTTOM VIEW) 1-6. JACK P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 2-183 2-184...
  • Page 166 PRINTED CIRCUIT BOARD DIAGRAMS 2. WIRELESS RECEIVER P. C. BOARD 2-1. MAIN P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 2-185 2-186...

  • Page 167: Wireless Receiver P. C. Board

    WIRELESS RECEIVER P. C. BOARD 2-2. SMPS P. C. BOARD NOTE) Warning Parts that are critical with respect to risk (TOP VIEW) (BOTTOM VIEW) of fire or electrical shock. 2-3. LED P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 2-187 2-188...
  • Page 168 SECTION 3 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ............................3-3 1. MAIN SET SECTION ..........................3-3 1-1. CABINET EXPLODED VIEW ......................3-3 1-2. DECK MECHANISM EXPLODED VIEW ..................... 3-5 2. SPEAKER SECTION ..........................3-7 2-1. CENTER SPEAKER EXPLODED VIEW ..................... 3-7 2-2.
  • Page 169 MEMO...

  • Page 170: Exploded Views

    EXPLODED VIEWS 1. MAIN SET SECTION 1-1. CABINET EXPLODED VIEW OPTIONAL PART CN303 CABLE4 CABLE3 CABLE2 CABLE7 WIRELESS Wi-Fi CABLE6 MAIN CABLE1 CN901 SMPS 250R...

  • Page 171: Deck Mechanism Exploded View

    MEMO 1-2. DECK MECHANISM EXPLODED VIEW (BM12T) 1439 1002 A001 1001 1005 1003 1004 1026 1030 1025 1437 1437 1024 1025 1012 1049 1017 1433 1437 1024 1013 1015 1011 1016 1020 1031 1050 1431 1019 1043 A005 1018 1045 1439...

  • Page 172: Speaker Section

    2. SPEAKER SECTION 2-1. CENTER SPEAKER EXPLODED VIEW A700...

  • Page 173: Front Speaker Exploded View

    2-2. FRONT SPEAKER EXPLODED VIEW A800 A800F A800B 851 Screw (8ea) 852 Screw (2ea)

  • Page 174: Rear Speaker Exploded View

    2-3. REAR SPEAKER EXPLODED VIEW A600...

  • Page 175: Passive Subwoofer Exploded View

    2-4. PASSIVE SUBWOOFER EXPLODED VIEW A900 3-10...

  • Page 176: Wireless Receiver Section

    3. WIRELESS RECEIVER SECTION NOTES) THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE. A330 390L A81A MAIN WIRELESS A81M CN901 A81S 390R SMPS 3-11...

  • Page 177: Packing Accessory Section

    4. PACKING ACCESSORY SECTION 808 Batteries 801 Owner’s manual 811 Video cable 814A iPod cradle 824 AM antenna 825 FM antenna 826 Ferrite core 832 DLNA setup disc 900 Remote control 804 Bag 803 Packing 803 Packing 803A Speaker packing 803B Speaker packing 803C Speaker packing 803WP Wireless pad...
  • Page 178 SECTION 4 BCM7633 F/E LOADER PART CONTENTS COMPONENT REPAIR GUIDE ....................... 4-2 1. ABNORMAL MD OPERATION ......................... 4-2 2. "ALL BD DISC" READING ERROR ......................4-3 3. "ALL DVD DISC" READING ERROR ....................... 4-4 4. "ALL CD DISC" READING ERROR ......................4-5 5.

  • Page 179: Component Repair Guide

    COMPONENT REPAIR GUIDE 1. ABNORMAL MD OPERATION Abnormal disc reading or abnormal tray open/close. Replace new MD and test if it is operated normally. 1-1. Component 1) Traverse assembly 2) FFC cable from MAIN board to MD 1-2. How to troubleshoot (Countermeasure) 1) Check the connection between main board and FFC cable, 2) Confirm the connection point.

  • Page 180: All Bd Disc" Reading Error

    COMPONENT REPAIR GUIDE 2. "ALL BD DISC" READING ERROR - All the Blu-ray disc is not operated, but DVD and CD are operated normally. - If the LDO for APC of BD laser diode is abnormal, BD doesn't work. - If the LD current control is abnormal, BD doesn't work. 2-1.

  • Page 181: All Dvd Disc" Reading Error

    COMPONENT REPAIR GUIDE 3. "ALL DVD DISC" READING ERROR - All the DVD disc is not operated, but BD and CD are operated normally. - If the LD current control is abnormal, DVD doesn't work. 3-1. Component 1) MD (Traverse Assembly) 2) SQ712, SQ717 3-2.

  • Page 182: All Cd Disc" Reading Error

    COMPONENT REPAIR GUIDE 4. "ALL CD DISC" READING ERROR - All the CD disc is not operated, but BD and DVD are operated normally. - If the LD current control is abnormal, CD doesn't work. 4-1. Component 1) MD (Traverse Assembly) 2) SQ713, SQ715 4-2.

  • Page 183: Abnormal Servo Operation

    5. ABNORMAL SERVO OPERATION - The actuator, spindle and sled operation of pick-up are abnormal. - After changing MD, the motors are abnormal operations. - After changing Motor Drive IC, the motors are abnormal operations. 5-1. Component 1) MD (Traverse Assembly) 2) SIC706 –...

  • Page 184: How To Use The Sa Reset Function

    HOW TO USE THE SA RESET FUNCTION 1. SA RESET PURPOSE 1) If we change system, we should do SA adjustment to get better performance of BD disc. 2) This is the operation to locate collimator lens of pick-up at the exact point. 3) We use this value to playback the BD disc after we store into the flash memory.
  • Page 185 4) Select 6 on debug window to perform SA Reset. 5) Press Return key or Pause key to finish debug mode. 6) Playback once BD disc more than 3 seconds. (At this time, you must use BD ROM single layer and BDR single layer disc.) - Check the disc reverse side of printed label and How to check the BD Single Layer and Double Layer Disc...

  • Page 186: Major Ic Internal Block Diagram And Pin Description

    MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 1. BCM7633 1-1. Front-end Block Diagram PICK-UP & MOTOR RF IN CD,DVD,BD Demodulator, Decoders Wobble Detector A~J IN Servo FORCUS, TRACKING, DACs MOTOR ARM Cortex R4 Laser Processor LASER Control FE Control OSC, MEMORY(DDR,FLASH) :B/END SHARING...
  • Page 187 1-2. Pin Function OFE – Motor Driver Interface Label PU/PD Tol. (V) Loc. Description Function I/O OFE_MDI_FG Spindle Motor Feedback OFE_MDI_DMO – Spindle Motor Output OFE_MDI_STEP1 – Sled Step Motor PDM DAC OFE_MDI_STEP2 – Sled Step Motor PDM DAC OFE_MDI_FOO –...
  • Page 188 OFE–Serial Interface Label PU/PD Tol. (V) Loc. Description Function I/O OFE_SER_SEN2 STI/O SSI Enable Out OFE_SER_SCLK SSI Clock Out OFE_SER_SDATA SSI Data In/out OFE_SER_SBUSY SSI Busy In/SEN4 OFE–General Purpose Label PU/PD Tol. (V) Loc. Description Function I/O OFE_GP_PA0 – OFE_GP_PA0/Gain SW2 OFE_GP_PA1 –...

  • Page 189: Drive Ic (R2A30209Sp) : Spindle Motor And 6Ch Actuator Driver

    2. DRIVE IC (R2A30209SP) : SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2-1. Block Diagram 4-12...
  • Page 190 2-2. Pin Function PIN NO SYMBOL FUNCTION SPIN Spindle control voltage input SL1IN Slide control voltage input 1 SL2IN Slide control voltage input 2 SPLIM Input terminal for spindle current limit Motor Power Supply 2(for Slide) SL2+ Slide non-inverted output 2 SL2- Slide inverted output 2 SL1+...

  • Page 191: Pick-Up Connector Terminal Pin Assignments (Lth-A12)

    FOCUSING1- Stepping Motor A-Terminal Stepping Motor B-Terminal CMU SHIFTER Stepping Motor A+Terminal Stepping Motor B+Terminal PGND(NC) GND for PDIC(NC) NC(VCC) NC(Terminal for LG pick-up recognation) A output B output C output D output SA output SB output SC output PDIC...

  • Page 192: Block Diagram

    BLOCK DIAGRAM RF / Servo Signal BCM7633 F/E BLOCK / Monitor (Broadcom) OPU :LTH-A12 - RF Amp LD(BD/DVD/CD) ALPC SPINDLE Power SLED Servo Signal Motor Motor Processor - Function TILT DSP/Servo control Active CP Decoder Encoder Feed Mecha. ARM Processor Loading Motor AACS...
  • Page 193 MEMO 4-16...

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