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LG LHB976, Service Manual

The LG LHB976 is a cutting-edge home theater system that delivers a thrilling audiovisual experience. With a sleek design, this product offers outstanding specifications including high-definition video playback and immersive surround sound. Experience the full potential of LG LHB976 by downloading the user manual for free at manualshive.com.

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 2-1

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. NETFLIX ............................................................................................................................................... 2-27

8. YouTube ................................................................................................................................................ 2-32

9. CINEMANOW ....................................................................................................................................... 2-33

10. MY MEDIA ............................................................................................................................................ 2-39

11. WIRELESS NETWORK SETUP ........................................................................................................... 2-53

12. VUDU .................................................................................................................................................... 2-60

13. PICASA ................................................................................................................................................. 2-63

14. PANDORA............................................................................................................................................. 2-64

15. AccuWeather ......................................................................................................................................... 2-67

16. MLB.TV ................................................................................................................................................. 2-67

17. NAPSTER ............................................................................................................................................. 2-68

18. DIVX TV ................................................................................................................................................ 2-70

19. VIEWSTER............................................................................................................................................ 2-72

20. ACCEDO ............................................................................................................................................... 2-75

ONE PONIT REPAIR GUIDE

 ........................................................................................................................

2-77

1. MAIN SET ONE POINT REPAIR GUIDE ............................................................................................. 2-77

2. WIRELESS RECEIVER ONE POINT REPAIR GUIDE ........................................................................ 2-93

ELECTRICAL TROUBLESHOOTING GUIDE

 .............................................................................................

2-98

1. MAIN SET TROUBLESHOOTING ........................................................................................................ 2-98

2. WIRELESS RECEIVER TROUBLESHOOTING ................................................................................. 2-110

WAVEFORMS

 ...............................................................................................................................................

2-112

1. SYSTEM PART-1 (X-TAL) .................................................................................................................. 2-112

2. SYSTEM PART-2 (DDR3 MEMORY) ................................................................................................. 2-113

3. VIDEO PART (100% FULL COLOR-BAR) ......................................................................................... 2-114

4. HDMI PART ........................................................................................................................................ 2-115

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

WIRING DIAGRAMS

 ....................................................................................................................................

2-117

1. MAIN SET WIRING DIAGRAM ........................................................................................................... 2-117

BLOCK DIAGRAMS

 ....................................................................................................................................

2-119

1. MAIN SET BLOCK DIAGRAM ............................................................................................................ 2-119

CIRCUIT DIAGRAMS

 ..................................................................................................................................

2-133

1. MAIN SET CIRCUIT DIAGRAM .......................................................................................................... 2-133

2. WIRELESS RECEIVER CIRCUIT DIAGRAM ..................................................................................... 2-165

CIRCUIT VOLTAGE CHART

 ......................................................................................................................

2-173

PRINTED CIRCUIT BOARD DIAGRAMS

 ..................................................................................................

2-175

1. MAIN SET P. C. BOARD .................................................................................................................... 2-175

2. WIRELESS RECEIVER P. C. BOARD ............................................................................................... 2-185

Summary of Contents for LHB976

Page 1: ...2010 NETWORK3DBlu rayDisc HOME THEATER SYSTEM SERVICE MANUAL MODEL LHB976 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com Internal Use Only MODEL LHB976 SERVICE MANUAL ...

Page 2: ...1 1 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: ...CTS 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 MICOM PART SOFTWARE UPGRADE 1 7 FIRMWARE UPDATE FOR WIRELESS DEVICE 1 8 NETWORK UPDATE 1 9 SPECIFICATIONS 1 12 ...

Page 4: ...polarized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign par ticles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or damaged insulation including the AC cord and replace if necessary 5 No lead or component should t...

Page 5: ...ive Parts include Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following ...

Page 6: ...ake change FLD HOME Press Home in Remocon Pause key 1 4 7 2 in order 1 BD DVD PART DETECT NEW EEPROM OPTION EDIT SCREEN Press UP DOWN to change the value Press LEFT RIGHT and A Up D Down to move the cursor Press PAUSE to store and exit Option Edit Byte No Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7 00 55 53 00 00 0B 73 EF 46 08 A0 19 95 88 01 00 00 70 16 01 00 00 00 01 00 00 00 24 00 00 00 00 ...

Page 7: ...timing FLD write ok or up ok FLD display E2P CLR or EP CLR Use arrow key to move to appropriate position and make changes FLD no disc status Remote control 2 Front STOP push same timing during 5 s DETECT NEW EEPROM OPTION EDIT SCREEN 2 MICOM PART NAME HEX OP0 69 OP1 78 OP2 30 OP3 C7 OP4 20 OP5 80 ...

Page 8: ...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: ...s PAIRING button on RX during 5 seconds LED blinks blue and red alternately to 0 5 second intervals Condition 1 Wireless module update must be performed without interference 2 You must update after switching TEST BAND 3 After wireless module update you must perform TX RX FACTORY 2 WIRELESS MICOM UPDATE METHOD Update must be performed without interference 1 Select 1 on test band You must select a b...

Page 10: ...akes about one minute Caution Pressing Enter while checking for the update will end process You can update the firmware by connecting your unit device directly to the S W update server Configuring Network Settings To update the firmware by connecting your player directly to the S W update server your player must be connected to network If your player is not connected to network make a physical con...

Page 11: ...ou 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 7 When downloading is completed the message Download is complete Do you want to update appears 8 Select OK to start updating ...

Page 12: ...not turn off the power during firmware 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: ...RCA jack L R x 1 DIGITAL IN OPTICAL 3 V p p Optical jack x 1 PORT IN 0 5 Vrms 3 5 mm stereo jack TUNER FM Tuning Range 87 5 to 108 0 MHz or 87 50 to 108 00 MHz AM Tuning Range 520 to 1 710 kHz AMPLIFIER Power output 4 Ω 3 Ω RMS THD 10 Total 1100 W Front 180 W x 2 Center 180 W Rear 180 W x 2 Sub Woofer 200 W Passive SYSTEM Laser Semiconductor laser Wavelength 405 nm 650 nm Signal system Standard NT...

Page 14: ...speaker Impedance Rated 4 Ω Input Power 180 W Max Input power 360 W Net Dimensions W x H x D 327 X 99 X 76 mm 12 9 X 3 9 X 3 0 inches Net Weight 1 21 kg 2 67 lbs Subwoofer Type 1 Way 1 speaker Impedance Rated 3 Ω Input Power 200 W Max Input power 400 W Net Dimensions W x H x D 190 X 385 X 358 mm 7 5 x 15 2 x 14 1 inches Net Weight 5 4 kg 11 9 lbs WIRELESS RECEIVER Power requirements Refer to main ...

Page 15: ...1 14 MEMO ...

Page 16: ... ONE POINT REPAIR GUIDE 2 77 2 WIRELESS RECEIVER ONE POINT REPAIR GUIDE 2 93 ELECTRICAL TROUBLESHOOTING GUIDE 2 98 1 MAIN SET TROUBLESHOOTING 2 98 2 WIRELESS RECEIVER TROUBLESHOOTING 2 110 WAVEFORMS 2 112 1 SYSTEM PART 1 X TAL 2 112 2 SYSTEM PART 2 DDR3 MEMORY 2 113 3 VIDEO PART 100 FULL COLOR BAR 2 114 4 HDMI PART 2 115 5 MICOM AND MPEG I F PART 2 116 WIRING DIAGRAMS 2 117 1 MAIN SET WIRING DIAGR...

Page 17: ...e issue is a problem with the disc Multiple discs displaying the problem could indicate the BD lens needs to be cleaned Recommend the customer use a lens cleaner on the BD A lens cleaner is available at any local electronics retailer Do lines appear when watching a TV program NO YES Lines appearing when watching a TV program indicates an issue with the display If the TV program is fine then connec...

Page 18: ...ner is available at any local electronics retailer Do lines appear when watching a TV program NO YES Ghosting appearing when watching a TV program indicates an issue with the display If the TV program is fine then connect the BD to another input on the display to determine if the problem is following the BD Does ghosting appear when the BD is connected to another TV NO YES Connect the BD to anothe...

Page 19: ...ner is available at any local electronics retailer Does rolling appear when watching a TV program NO YES Rolling appearing when watching a TV program indicates an issue with the display If the TV program is fine then connect the BD to another input on the display to determine if the problem is following the BD Does rolling appear when the BD is connected to another TV NO YES Connect the BD to anot...

Page 20: ...ner is available at any local electronics retailer Does shaking appear when watching a TV program NO YES Shaking appearing when watching a TV program indicates n issue with the display If the TV program is fine then connect the BD to another input on the display to determine if the problem is following the BD Does shaking appear when the BD is connected to another TV NO YES Connect the BD to anoth...

Page 21: ...s available at any local electronics retailer Does blurriness appear when watching a TV program NO YES Blurriness appearing when watching a TV program indicates an issue with the display If the TV program is fine then connect the BD to another input on the display to determine if the problem is following the BD Does blurriness appear when the BD is connected to another TV NO YES Connect the BD to ...

Page 22: ... input Turn TV off then on to determine input Video when using composite or component DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not able to watch television then he may have a problem with his television especially if the cable signal comes through on a different input If the customer can not get a TV program then he still ma...

Page 23: ...using composite or component DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not able to watch television then he may have a problem with his television especially if the cable signal comes through on a different input If the customer can not get a TV program then he still may have a problem with the particular input on his TV Can ...

Page 24: ... or component DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not able to watch television then he may have a problem with his television especially if the cable signal comes through on a different input If the customer can not get a TV program then he still may have a problem with the particular input on his TV Can the customer co...

Page 25: ...omposite or component DVI when using DVI and HDMI when using HDMI Is the customer able to watch TV programming NO YES If the customer is not able to watch television then he may have a problem with his television especially if the cable signal comes through on a different input If the customer can not get a TV program then he still may have a problem with the particular input on his TV Can the cus...

Page 26: ...mpliant NO YES Make sure the display is HDCP compliant when using a DVI or HDMI connection A lack of HDCP compliancy on the display may cause an invalid format or format not supported message to appear It can also cause a copy protection OSD to appear Has the customer tried the device on another display NO YES Ask the customer to connect the device to another display If the device starts working t...

Page 27: ...e discs in the owners manual Multiple discs displaying the problem indicates a problem with the BD player Does color appear when watching a TV program NO YES If the cable or satellite programming is connected through another input and the customer does not get color the customer has a problem with his television If a TV program does have the color the problem may be the BD player the cables being ...

Page 28: ...color fine when watching a TV program NO YES If the cable or satellite programming is connected through another input and the customer does not get color the customer has a problem with his television If a TV program does have the color the problem may be the BD player the cables being used or the TV itself Is color fine when the BD is connected to another TV NO YES Connect the BD to another TV an...

Page 29: ...ltiple discs could indicate a lens cleaner is needed The customer can purchase a lens cleaner at any electronics retailer Problem occur when watching TV program NO YES No audio from a TV program on a different channel or input means there is a problem with the television If a TV program does have the audio the problem may be the BD player the cables being used or the TV itself Does the problem occ...

Page 30: ...e a lens cleaner at any electronics retailer Problem occur when watching TV program NO YES Distorted audio from a TV program on a different channel or input means there is a problem with the television If a TV program does have the audio the problem may be the BD player the cables being used or the TV itself Does the problem occur when DVD is connected to another TV NO YES Audio is fine when the B...

Page 31: ...ed multiple tapes and discs NO YES YES If the issue only shows up on one disc then the problem is with that disc Have the customer try multiple tapes or discs If the issue happens on multiple discs and tapes then ask the customer to try a lens or a head cleaner Has the customer connected to another TV NO Ask the customer to connect the product to another TV If the issue persists try another set of...

Page 32: ...flow Is the unit plugged into a surge protector NO YES Make sure the surge protector is plugged into a wall outlet Also make sure the surge protector is turned on or does not need to be reset due to a recent surge Does the unit work when plugged into another outlet NO YES Test the unit in another outlet If the unit works then the problem is the outlet where the unit was connected If the issue is t...

Page 33: ...the customer initialized a DVD RW in VR mode make sure the owners manual has the RW logo to show compatibility for the VR format Did the customer burn the disc in a computer NO YES Make sure the customer burned a compatible format such as VCD SVCD or DivX Make sure the file meets the specifications required for the player to play the disc Check the owners manual for specifications Disc may still n...

Page 34: ...hen reset the unit by unplugging it for 15 to 30 seconds If the unit does not respond after the reset arrange for service on the BD Does the open close button on the unit work NO YES Press the open close button on the unit If the disc ejects troubleshoot the remote using the Remote Control not working call flow Has the customer reset the unit NO Ask the customer to reset the unit by unplugging the...

Page 35: ...teries are new and fresh The batteries do not need to come from a spare battery drawer Do not mix used and new batteries Is the remote working at all NO YES YES If the remote does not work anything then walk the customer through a remote drain Remove the batteries from the remote control Then press and hold any button down for a minute This will drain the power out of the remote and reset it Unive...

Page 36: ...stomer initialized a DVD RW in VR mode make sure the owners manual has the RW logo to show compatibility for the VR format Did the customer burn the disc in a computer NO YES Make sure the customer burned a compatible format such as VCD SVCD or DivX Make sure the file meets the specifications required for the player to play the disc Check the owners manual for specifications Disc may still not be ...

Page 37: ...mer initialized a DVD RW in VR mode make sure the owners manual has the RW logo to show compatibility for the VR format Did the customer burn the disc in a computer NO YES Make sure the customer burned a compatible format such as VCD SVCD or DivX Make sure the file meets the specifications required for the player to play the disc Check the owners manual for specifications Disc may still not be com...

Page 38: ...ion code of the DVD disc is not 1 then the DVD disc will not play on a player sold in the US The player can play only DVD discs labeled same as the rear of the unit Is the disc locking up on a disclaimer screen when the customer presses play NO The disc locking up on a feature needs to be reported to Q E See instructions on reporting problems to Q E For a work around the problem advise the custome...

Page 39: ...sure the BD player aspect ratio is set to the appropriate setting depending on the aspect ratio of the TV If the customer chose 4 3 Letterbox then bars will appear on the top and bottom The customer can choose the panscan setting to get rid of the bars What is the resolution of the BD player set at NO YES Try changing the resolution to 480p 720p 1080i and 1080p resolution require a widescreen aspe...

Page 40: ...ue Copy protected discs will not upconvert when HDCP is not found on the input or output Is the customer using an HDMI or DVI cable NO YES Regular discs can convert to 1080p over the HDMI output and only the HDMI output The TV has to have HDCP compliancy on the HDMI input The display has to accept the resolution 480p 720p 1080i or 1080p Is the customer using an HDMI to DVI cable NO YES Some movie ...

Page 41: ...ith interactive BD movie menu BD Player can support BD2 0 so that network function is active in the BD disc Also BD Player can support VOD service such as Netflix USA only Why is not the item downloaded through the network Make sure the customer insert the LAN cable into the Ethernet jack Make sure the network is active If it is active the disc may have a problem If not active see the network sect...

Page 42: ...e local area network LAN this player will automatically be allocated an IP address If there is no DHCP server on the network and you want to set the IP address manually select Static IP then set the IP Address Subnet Mask Gateway and DNS Server using IP Setting option Checking Network Configuration NO Select NETWORK on the Setup menu And then Select IP Mode option on the NETWORK menu And then Chec...

Page 43: ...appears on your TV screen 7 3 Adding Movie to your player Instant Queue is not empty NO YES Visit the Netflix website www netflix com on your computer If necessary enter your Sign in Name and Password to log into your account Click Watch Instantly tab When you find a movie or show you want to watch point your cursor at the Add Play button to reveal additional options and then click Add to Instant ...

Page 44: ...2 BD592 LGE BD592 BD561 LGE BD561 HB905 LGE HB905 HB965 LGE HB965 If not the set has a bad ESN It should not happen replace the player NO Select Streaming on the Home menu Is it activated successfully NO YES YES This means that ESN is valid Is Netflix server ok NO YES Netflix server is ok but fails in activation NO If Netflix Server is dead activation fails even if the ESN is valid Call Netflix Cu...

Page 45: ...d a minimum connection speed of 1 5Mbps For the best quality picture a connection speed of 4 0Mbps is required Do not have any other online activity on your network NO YES Your connection may be affected by other activity on your network such as online gaming file sharing or other video streaming Test your bandwidth NO You can test your bandwidth at one of these sites http www speakeasy net speedt...

Page 46: ...s dead it fails in activating even if ESN is valid Does it fail to retrieve queue data Title List If playback is ok then move to category list and choose one NO NO YES Network is setup correctly but it fails in retrieving the queue list then the Netflix NCCP server is dead Netflix NCCP server Streaming server is alive but Web API server is dead It retrieves queue data but fails to playback NO Netf...

Page 47: ...d NO YES We recommend a minimum connection speed of 1 5Mbps For the best quality picture a connection speed of 4 0Mbps is required Do not have any Other online activity on your network NO YES Your connection may be affected by other activity on your network such as online gaming file sharing or other video streaming Test your bandwidth NO You can test your bandwidth at one of these sites http www ...

Page 48: ... mode it try to check internet connection If failed it displays the popup message to the user User can move to Home menu or Network setting menu as our guideline Check the network speed NO If success it check the network speed from cinemanow server We recommend a minimum connection speed of 700kbps for playing titles If the result of speed check is lower than 700kbps it displays the warning messag...

Page 49: ...ember of cinemanow press Get started button to join the cinemanow if you are member sign in Entering the activation code NO Step 2 To get the activation code move to bottom of this page and press Continue A user could change his information though this page Payment Information Adult Access Restrictions If success Success Your CinemaNow ready device is now activated is displayed Step 3 You can see ...

Page 50: ...info NO YES It checks the user billing information and balance If it is absent Technical error occurs Check the title already purchased NO YES If a user purchased the titles It display the alarm message on the screen It is not count that rental expired titles Place order NO If a user have an enough balance it is applied automatically 9 3 Purchase titles To watch the stream video you should browse ...

Page 51: ...network NO YES Your connection may be affected by other activity on your network such as online gaming file sharing or other video streaming Test your bandwidth A title can be played with one user id simultaneously A user meet an error code when he try to playback NO NO NO You can test your bandwidth at one of these sites http www speakeasy net speedtest http www speedtest net If you are getting l...

Page 52: ...inemanow server It is due to network congestion so a user can retry it just a few minute later Still a user have problem Check internet speed with this url http www speakeasy net speedtest http www speedtest net Andmore to improvement contact your ISP Check Internet Access Cannot connect to the internet Please make sure your internet connection is working properly and that your device is setup pro...

Page 53: ... network connection with these port 80 HTTP 443 SSL and NTP 123 One of these service is blocked we can t support our service A user can consult ISP or IT manager Still you have a problem LG examine it for the detail reason 9 9 CinemaNow Support 9 10 Other Network Error Cinemanow Support CinemaNow has encountered a Technical problem Please retry If the problem persists please contact CinemaNow cust...

Page 54: ...support this media JPG PNG MP3 WMA PCM MPEG1 2 DivX subtitle support XviD MKV MP4 Other DLNA Servers Nero Media home Cyberlink server Twonky Window Media Player11 QNAP NAS etc Restrictions 1 PC and BD Player must be connected in one access point 2 Anti Virus program may block media sharing Before installing SW stop the Anti Virus program 3 LG bundle disc program is Essential program supported by N...

Page 55: ...der DLNA Server Software or PC Share Folder AP External Internet DLNA CIFS File Sharing Range AV Connection Network Connection In home network Access Point is connected to PC NAS BD player etc My Media operation is guaranteed within only one Access Point Only in this case you can play your media normally ...

Page 56: ...int Check Setup Network Status is it connected normally Install PC Bundle SW Insert bundle CD in your PC and install program PC Server adds Firewall Exception of nero mdeia server automatically Share your media files Add Remove PC media folder in share item Check Network Item You can check wired or wireless network Check Start Server Check Start Server button ...

Page 57: ...movie Time_Machine avi video Time_Machine srt subtitle Time_Machine sub subtitle Time_Machine smi subtitle 2 Check the subtitle file size The file size is limited 2Mbytes 3 Check the subtitle format Supported subtitle format is as below SubRip srt txt SAMI smi Substation Alpha ssa txt MicroDVD sub txt Subtitle System txt Vobsub sub idx Shared folders or files are not displayed on the player one mo...

Page 58: ...r status 2 if Server is ok retry to conect server 3 if server has no response restart server 4 if Computer has no response restart computer 5 If congestion error or network busy error is occurred repeatedly 5 1 Turn off other devices that is connected to access point 5 2 Restart Router Access Deny 1 Check if Nero is set with access deny Nero Server device left menu select devices change Access Con...

Page 59: ... Transport Stream This is supported Not Supported Audio Codec Unknown Video Format 1 Check your share folders on the media server program in the PC 2 Find the file you want to play 3 Check audio codec of the file is Dolby Digital DTS MP3 WMA AAC AC3 MPEG Layer 1 or Layer 2 This is supported 4 Not all the WMA and AAC Audio format is compatible 5 Check the file are recorded with GMC or Qpel This is ...

Page 60: ... Nero SW 1 Check that computer s IP Address subset is same with player s ex Unit 192 168 1 15 computer 192 168 1 xxx 1 Check Network Interface Network Network Interface 2 If it is wired connected check wired network interface if it is wireless connected check wireless network interface 3 Start Server 10 9 I can not find Nero media server ...

Page 61: ...VI file without index table supports only 2 step scan What is PC OS Requirements 1 OS Requirements Windows XP Service Pack 2 or higher Windows Vista no Service Pack required 2 PC Requirements 1 2 GHz Intel Pentium III or AMD Sempron 2200 processors 3 Network Requirements 100 Mb Ethernet WLAN IEEE 802 11b g n 4 Detail Reference of File Share Settings If you use Windows XP or Windows Vista visit lin...

Page 62: ...low Picture 1 and Picture 2 with check Use simple file sharing in Tools Folder options View but available to set sharing with check or not 2 After Check and set sharing as shown above Picture 1 and Picture 2 there is an icon of a hand holding the shared folder 3 PC with shared folder and Unit are connected to same router If user select My Media user can use CIFS Feature After selecting folder usag...

Page 63: ...sta 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 Network and Sharing Center Password protected sharing Release Password protected sharing ...

Page 64: ...Check Computer is same network router 3 Try Rescanning Button Blue Button 4 Then if Server is not found at Server Menu Check Network property Start Network Environment right click Property Local Area Network right click Property 5 Check Microsoft Network Client is Checked 6 Disable Anti virus SW Mustbe Checked at MicrosoftNetwork Client V ...

Page 65: ... Guest clear password 2 Check to clear Password protected sharing option In control panel Network and Sharing Center Password protected sharing Release Password protected sharing 3 Check to clear all Firewall option In control panel Windows Firewall Off 4 Check to stop AntiVirus Program If CIFS Sharing is right set 1 If OS is Window XP go to check on Item10 12 2 If OS is Window Vista go to check o...

Page 66: ...Home Menu then enter the My Media Menu See the following figure If you enter the My Media during the background server search time Unit can t find the used folder Check the Server IP If Server IP was changed by DHCP or by Manually Unit can t find the used folder Power ON Network Connect OSD displayed for a while Booting 20 Sec Home Menu displayed Elapsed Time Network Connection 3 Sec Server Search...

Page 67: ...ng the shared folder you can enter ID Password by using Keyboard menu If you can not see folder contents please check your PC folder sharing setup Unit can remember 50 ID Password ID Password Certification DLNA CIFS Network Playback ID Password Keyboard DLNA and CIFS features are together in Home Link menu DLNA and CIFS action s Look Feel are same CIFS DLNA Select a DLNA Server Select a CIFS Folde...

Page 68: ...wireless network malfunctions 3 The wireless part in BD Player is located on front panel of the product If therefore BD Player is placed in narrow space something like a TV cabinet it maybe not receive the radio frequency signal normally 4 The wrong configuration of AP Possible Solutions 1 It is good that BD Player is placed around AP as close as possible If the signal strength bar of AP like pict...

Page 69: ...n each country For example U S Canada 1ch 11ch Korea Europe 1ch 13ch Japan 1ch 14ch 4 Check the broadcasting SSID function of AP make it enable 5 If the result of the above check items is not valid try the below process Check whether wireless router radio is enabled or not Check whether SSID broadcast is enabled or not Power off AP and on then restart AP Change channel setup Ex 1ch 6ch 11ch Change...

Page 70: ...ossible Solutions 1 Follow the basic guidance of previous page 2 If not effect try the below process 11 3 When access point connection failed Power off AP and on then restart AP Change from current security mode to No security mode Reset AP to be factory initial status Retry to setup wireless network connection Move BD Player to AP around If not working If not working If not working If not working...

Page 71: ...of AP Possible Solutions 1 AP should be used as DHCP server Check whether DHCP server of AP is activated or not 11 4 When wireless dynamic IP is not set Power off AP and on then restart AP Reset AP to be factory initial status Retry to setup wireless network connection Move BD Player to AP around If not working If not working If not working ...

Page 72: ...e DNS address If it is the DNS address should be set in AP 3 If not effect try the below process 11 5 When only the WAN is not connected Confirm WAN of AP is set as dynamic host configuration protocol DHCP Power off AP and on then restart AP Reset AP to be factory initial status Make AP s MAC same with PC s It s possible by using MAC Clone function of AP Retry to setup wireless network connection ...

Page 73: ... connection status Retry wireless network setup at the beginning Reset AP to be factory initial status Retry wireless network setup at the beginning Confirm if there are no troubles home local internet line by PC Reset AP to be factory initial status If not working If not working If not working ...

Page 74: ...outer user must enable the WPS function in setup menu Then WPS Push Button function of AP is available Expectable Causes of WPS Time Out 1 Each Push button of AP and BD Player must be pushed in 120 seconds 2 During 120 seconds just after AP s push button is pushed other device also can be connected with the AP by the device s push button Possible Solution 1 Try one more time from at the beginning ...

Page 75: ...e appears on the screen Note the activation code of your player Visit Vudu site and enter activation code On your computer visit www vudu com activation and enter theactivation code in the Activation Code fields and click Activate Device Log into your account Complete activation Enter your Email Address and password to log into your account If you are not a member of Vudu yet click Create an Accou...

Page 76: ...ds differ by movie but are typically either 24 or 48 hours You may watch the movie as many times as you like within that time period Select quality level Vudu offers you a free 2 minute preview of any movie By watching the preview you can also determine which quality level HDX HD or SD best suits your available network bandwidth prior to renting a movie Check the title already purchased If a user ...

Page 77: ...up the 4th time playback needs to be paused because of buffering Users can select a lower quality level and fewer buffering would occur 12 5 Check your internet connection Before starting Vudu service it is checked whether internet is connected or not but during the network communication it is detected that internet connection is closed A user make it sure that internet connection is working Check...

Page 78: ...ee storage which can store about 4 000 pictures No Image icon can appear on thumbnail list or full picture screen No Image means that the meta data of the image is still at the database server but the content has been removed because it violates Google s Terms of Service There may be network congestion pop up appears when the network is too slow to service the Picasa Web Albums We try the service ...

Page 79: ...Initial Network Error Policy No Pandora Start Is Ethernet cable connected Check Ethernet cable Pop up Yes Does DNS query successes Check network setting Pop up Does startup query successes from Pandora server Enjoy Music Yes Is Ethernet cable connected Yes No No Yes No ...

Page 80: ... last station played Sign out New username select Sign in Username list Username select Create Station Search Virtual Keyboard Yes Sign In ID Password Virtual Keyboard OK A1 C D B1 B2 A2 Activation Activation Code Activation URL A3 Station Song List A1 Loading Screen A2 Checking Account A3 Activation Page B1 Sign In Screen B2 Username list Screen C Create Station Screen D Station List and Player S...

Page 81: ...work is faster than 128Kbps buffers 16Kbytes of music data and start playing 2 If the network is slower than 128Kbps buffers 96Kbytes of music data and start playing After playing music 1 Until the buffer is full 2 When the buffer goes empty buffers 15 seconds of music data and then restart playing When does the There may be network congestion pop up appears 1 If the buffering continues for 1 minu...

Page 82: ...3 more times If it is Home menu no data will be displayed If it is Favorite City menu it will return to the favorite city list Although you did retry 2 3 times same symptom occurs Network is not setup correctly Please check the network status 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 tha...

Page 83: ...sign in unavailable Sign Out Menu Screen 17 NAPSTER 17 1 Sign In Process Napster Sign In for Existing Members Sign Up for a Free Trial Have an Account Yes No Sign In Input Screen First Sign In Seamless Sign In Yes No The guide message will be shown to users to make an account in Napster webpage 17 2 Sign Out ...

Page 84: ...gging 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 When does the There may be network congestion pop up appears 1 If the buffering continues for 1 minutes 2 If the buffering pop up appears more than 5 times in the same music 17 3 Player Bufferin...

Page 85: ...ngs If there is a DHCP Dynamic Host Configuration Protocol server on the local area network LAN this player will automatically be allocated an IP address If there is no DHCP server on the network and you want to set the IP address manually select Static IP then set the IP Address Subnet Mask Gateway and DNS Server using IP Setting option Checking Network Configuration Select NETWORK on the Setup m...

Page 86: ...f 1 5Mbps For the best quality picture a connection speed of 4 5Mbps is required Do not have any other online activity on your network Your connection may be affected by other activity on your network such as online gaming file sharing or other video streaming Test your bandwidth You can test your bandwidth at one of these sites http www speakeasy net speedtest http www speedtest net If you are ge...

Page 87: ...figuration Network Settings If there is a DHCP Dynamic Host Configuration Protocol server on the local area network LAN this player will automatically be allocated an IP address If there is no DHCP server on the network and you want to set the IP address manually select Static IP then set the IP Address Subnet Mask Gateway and DNS Server using IP Setting option Checking Network Configuration Selec...

Page 88: ... you want and then the screen will show the log in page Pay with your account Activate Now Enter your Email Address and password to log into your account You can enter your Phone number and PIN code to pay Click Pay Watch to watch the movie A subscription to Viewsteroffers you access to all films within that particular subscription package 1 If yes the app will store your login details and you can...

Page 89: ...at films is in your active subscription and if it s in the valid period It will be supported by Viewster with that error It is not covered by LGE Choose Log in Enter your Email Address and password to log into your account You can check Remember me it will allow the app to automatically recall your username and password so you won t have to type in them for subsequent logins Log in your account If...

Page 90: ...IGITAL DISPLAY MEDIA TRAINING MASTER Accedo menu Select Game Enjoy game Enjoy game 20 ACCEDO 20 1 Accedo Feature Accedo support the service about several games You can select the game title and enjoy the game ...

Page 91: ...ration Network Settings If there is a DHCP Dynamic Host Configuration Protocol server on the local area network LAN this player will automatically be allocated an IP address If there is no DHCP server on the network and you want to set the IP address manually select Static IP then set the IP Address Subnet Mask Gateway and DNS Server using IP Setting option Checking Network Configuration Select NE...

Page 92: ... Solution Replace F901 BD901 on SMPS board 1 1 1 2 How to troubleshoot Countermeasure 1 Look at the physical of fuse F901 2 Check the bridge diode BD901 1 1 1 3 Service hint Any picture Remark SMPS board top view Fuse F901 Can look at physical condition ONE POINT REPAIR GUIDE 1 MAIN SET ONE POINT REPAIR GUIDE ...

Page 93: ...D926 ZD951 ZD952 FR952 and replace it Case 2 6 VA Abnormal Check D924 and replace it Case 3 14 VA Abnormal Check D925 and replace it Case 4 3 8 VA Abnormal Check D922 D923 and replace it Case 5 12 V Abnormal Check IC951 and replace it Case 6 All Voltage Abnormal Check IC901and replace it 1 1 2 3 Service hint Any picture Remark SMPS board top view SMPS board bottom view Case 2 Case 2 Case 6 Case 1 ...

Page 94: ...NT REPAIR GUIDE 1 2 THE LAYOUT OF MAIN PCB MAIN board top view TUN01 JK299 JK251 JK803 JK802 JK801 JK203 CN255 JK250 IC200 IC201 IC401 CN251 IC101 CN253 IC506 IC150 IC500 IC503 IC502 IC151 CN252 CN201 CN150 CN401 IC801 X500 ...

Page 95: ...2 80 MAIN board bottom view MAIN SET ONE POINT REPAIR GUIDE IC402 SIC704 IC810 IC102 SIC710 IC153 IC152 IC202 IC154 IC405 ...

Page 96: ...el and it will not boot up 1 3 1 D101 NO 3 3 VA 1 3 1 1 Solution Replace D101 on MAIN board 1 3 1 2 How to troubleshoot Countermeasure 1 Please check 3 8 VA yellow signal 2 If 3 8 VA is abnormal please check SMPS board 3 If 3 8 VA is OK but 3 3 VA is abnormal replace D101 1 3 1 3 Service hint Any picture Remark MAIN board top view MAIN SET ONE POINT REPAIR GUIDE IC101 D101 ...

Page 97: ...check the 3 3 V_CTRL is high IC101 pin58 if 3 3 V_CTRL is high check R148 R1C8 and if there s no defective component then replace IC153 4 If 3 3 V_CTRL isn t high you may need to replace IC101 5 After changing it if the set is still not booting Refer to the next page for checking another power source 1 2 V 1 5 V Check crystal X500 refer to item 1 3 5 Check NAND flash IC IC506 refer to item 1 3 6 C...

Page 98: ...nent please check SMPS board Second If 14 VA input is normal first of all check the 1 2 V_CTRL is high IC101 pin60 4 After fixing it if the set is still not booting Check L151 R1A3 C1C7 R1A1 and finally check IC150 or replace 5 After fixing it if the set is still not booting Refer to the next page for checking another power source 3 3 V 1 5 V Check Crystal X500 refer to item 1 3 5 Check NAND flash...

Page 99: ... IC151 is 14 VA signal first of all check the 1 5 V_CTRL is high IC101 pin59 and if it s high check R145 R1A7 L150 R1A2 R1A4 R1A8 and if there s no defective component please replace IC151 4 If PWR_CTRL or 1 5 V_CTRL isn t high you may need to replace IC101 5 After changing it if the set is still not booting Check 1 2 3 3 V is normal please refer to other sections of this guide Check crystal X500 ...

Page 100: ...tus of 27 MHz crystal X500 2 Please check the frequency of 27 MHz crystal X500 3 If the crystal doesn t oscillate check Load capacitor C512 C513 and replace X500 4 After changing it if the set is still not booting Check NAND flash IC IC506 refer to item 1 3 6 Check DDR IC IC502 IC503 refer to item 1 3 7 Check BCM7633 IC IC500 refer to item 1 3 8 1 3 5 3 Service hint Any picture Remark MAIN board b...

Page 101: ...ntermeasure 1 Please check physical status of IC506 on your eyes 2 Check the Vcc 3 3 V of IC506 and if it s normal please replace IC506 Please make sure IC506 has proper program 3 After changing it if the set is still not booting Check DDR IC IC502 IC503 refer to item 1 3 7 Check BCM7633 IC IC500 refer to item 1 3 8 1 3 6 3 Service hint Any picture Remark MAIN board top view MAIN SET ONE POINT REP...

Page 102: ...DR3_CLK01 between R591 Please check 0 8 V of DDR3_CLK23 between R587 2 If it doesn t work even though IC101 IC151 IC153 IC150 are no problem IC502 IC503 DDR memory could have problem 3 After changing it if the set is still not booting Check BCM7633 IC IC500 refer to item 1 3 8 Check main board refer to item 1 3 9 1 3 7 3 Service hint Any picture Remark MAIN board top view MAIN board bottom view MA...

Page 103: ...ase Check 1 5 V Please Check RESET Please check the frequency of 27 MHz crystal X500 2 If it doesn t work even though 1 2 V 1 5 V 3 3 V power and RESET are no problem IC500 BCM7633 could have problem 3 If RESET isn t high you may need to replace IC101 4 After changing it if the set is still no booting check main board refer to item 1 3 9 1 3 8 3 Service hint Any picture Remark MAIN board top view ...

Page 104: ...ubleshoot Countermeasure 1 Please remove IC500 IC502 IC503 and then check the Impedance between each signal DATA ADDRESS and so on 2 If there is some Impedance a few ohm or infinite ohm especially power source trace PCB via might be broken You d better change main board 1 3 9 3 Service hint Any picture Remark MAIN board top view MAIN SET ONE POINT REPAIR GUIDE IC500 IC502 IC503 ...

Page 105: ...easure 1 Check you internet connection Make sure it connect properly to modem or router 2 If internet connection OK please check the ethernet jack JK250 3 If there is soldering problem please re soldering pin JK250 4 If after re soldering problem still occurs replace JK250 5 If problem still occurs after change JK250 check BCM7633 IC IC500 1 4 1 3 Service hint Any picture Remark MAIN board top vie...

Page 106: ...803 1 5 1 1 Solution Replace JK803 HDMI Jack 1 5 1 2 How to troubleshoot Countermeasure 1 Check JK803 pin soldering 2 If there is short soldering on pin JK803 re soldering pin JK803 3 If problem still occurs check CF809 CF812 R831 R838 If issue still NG replace IC801 1 5 1 3 Service hint Any picture Remark MAIN board top view MAIN SET ONE POINT REPAIR GUIDE JK803 CF809 CF812 R831 R838 ...

Page 107: ...lace JK801 or JK802 HDMI Jack 1 6 1 2 How to troubleshoot Countermeasure 1 Check JK801 or JK802 pin soldering 2 If there is short soldering on pin JK801 or JK802 re soldering pin JK801 or JK802 3 If problem still occurs check R814 R829 If issue still NG replace IC801 1 6 1 3 Service hint Any picture Remark MAIN board top view MAIN SET ONE POINT REPAIR GUIDE JK802 IC801 JK801 R822 R829 R814 R821 ...

Page 108: ...tion Replace F901 BD901 on SMPS board 2 1 1 2 How to troubleshoot Countermeasure 1 Look at the physical of fuse F901 2 Check the bridge diode BD901 2 1 1 3 Service hint Any picture Remark ONE POINT REPAIR GUIDE 2 WIRELESS RECEIVER ONE POINT REPAIR GUIDE SMPS board top view Fuse F901 Can look at physical condition ...

Page 109: ...t Countermeasure Case 1 5 1 VA abnormal Check D922 and replace it Case 2 14 VA abnormal Check D921 and replace it Case 3 All voltage abnormal Check IC901 and replace it 2 1 2 3 Service hint Any picture Remark SMPS board top view WIRELESS RECEIVER ONE POINT REPAIR GUIDE Case 1 D922 Case 1 D922 Case 2 D921 Case 2 D921 Case 3 IC901 Case 3 IC901 ...

Page 110: ... 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 2 2 1 3 Service hint Any picture Remark SMPS board top view W Pa re WIRELESS RECEIVER ONE POINT REPAIR GUIDE Case 1 PC902 903 Case 1 PC902 Case 1 PC903 Case 2 D950 IC902 Case 2 D950 Case 2 IC902 ...

Page 111: ...2 96 2 3 THE LAYOUT OF MAIN PCB MAIN board top view MAIN board bottom view WIRELESS RECEIVER ONE POINT REPAIR GUIDE RIC303 RIC302 RIC301 RIC308 RIC307 ...

Page 112: ... Voltage at RCN301 If 35 V 14 V 5 V voltage doesn t come out re soldering in RCN301 2 Check voltage at RIC303 If 35 V 12V voltage doesn t come out check IC308 or SMPS board 3 Check the signal of pin47 at RIC301 If this pin is low replace RIC303 4 If problem still occurs change AMP board 2 4 1 3 Service hint Any picture Remark AMP board top view WIRELESS RECEIVER ONE POINT REPAIR GUIDE RIC303 RIC30...

Page 113: ...c 11 V 25 V supplied to IC901 pin4 Replace TH901 Replace BD901 Is D922 D923 normal Check or replace D922 D923 YES YES YES YES NO NO NO Power line of MAIN board is short 1 1 POWER SUPPLY ON SMPS BOARD No 12 V Check IC151 and replace Is the Vcc 14 VA supplied to IC151 pin2 Check 14 VA on SMPS board YES YES NO Is there H signal at IC151 pin1 Check P_CTL from μ com YES NO ...

Page 114: ...e Q901 normal Replace Q901 same fuse YES YES NO Is D928 normal Is IC902 normal Is the Vcc 11 V 25 V supplied to IC902 pin7 Replace D928 Replace IC902 Is Q910 normal Check or replace Q910 YES YES YES YES NO NO NO Power line of MAIN or AMP board is short ...

Page 115: ... Is there H signal at IC154 IC155 pin1 Check LDO_CTRL DCDC33_CTRL line from IC101 pin58 68 YES NO No 3 3 V Check IC152 IC153 and replace Is the Vcc 3 8 VA supplied to IC152 IC153 pin2 Check 3 8 VA on SMPS board YES YES NO Is there H signal at IC152 IC153 pin1 Check LDO_CTRL DCDC33_CTRL line from IC101 pin58 68 YES NO 1 2 POWER SUPPLY ON MAIN BOARD ...

Page 116: ...Check 14 VA on SMPS board YES YES NO Is there 3 3 V at IC151 pin6 Check the DCDC15_CTRL line from IC101 pin59 YES NO No 1 2 V Check IC150 and replace Is the Vcc 14 VA supplied to IC150 pin2 Check 14 VA on SMPS board YES YES NO Is there 3 3 V at IC150 pin6 Check the DCDC12_CTRL line from IC101 pin60 YES NO ...

Page 117: ...oard Check Noise cap SMPS board BOOT display on FLD OK Power on CN150 VKK FL check OK P_sense check OK NO NO NO NO Check R104 R107 R108 vol level Replace DIS301 Check R166 vol level VFD_CLK DO STB OK P_CTRL check OK NO NO NO YES YES YES YES YES A Check DIS301 Replace of IC101 UPD78F1165 B ...

Page 118: ...Nand Flash Replace X501 Menu Home display on monitor OK LG Logo display on monitor OK A 1 2 V 1 5 V 3 3 V OK Proper assemble MAIN and FRONT board OK IC506 NF_ALE NF_CLE OK X501 27 00 MHz OK NO NO NO NO NO NO YES YES YES YES Check X101 and IC101 Replace IC500 BCM7632 or IC502 IC503 DDR3 Reset UART RX TX OK NO YES YES YES ...

Page 119: ...eo on display Check JK251 and RCA cable connection Is there CVBS signal on R2A8 Check IC251 signal or Vcc YES YES NO Is there CVBS signal out of IC250 pin6 Is there signal on CA203 Replace IC250 Check R567 YES YES NO NO 1 4 NO CVBS VIDEO OUTPUT ...

Page 120: ...Check JK203 or replace Check CN902 JK902 YES YES YES YES YES NO NO IC201 pin26 29 I2S signal OK IC401 Pin23 24 26 27 29 30 signal OK CN401 pin13 14 15 signal OK IC401 Pin23 24 26 27 29 30 signal OK CN401 pin13 14 15 signal OK Check IC201 or replace Check IC401 or replace Check IC404 or replace Check IC401 or replace Check IC404 or replace YES YES YES YES NO NO NO NO NO 1 5 NO AUDIO OUTPUT ...

Page 121: ... COM firmware IC200 pin11 12 audio L R OK Check tuner module or replace YES YES NO IC201 pin13 14 15 I2S signal OK IC401 pin23 24 26 27 29 30 signal OK CN401 pin13 14 15 signal OK Check IC200 or replace Check IC201 or replace Check CN401 or replace YES YES YES NO NO NO ...

Page 122: ... I2S input signal OK Check IC500 or replace YES YES NO R446 R447 R448 R432 I2S Input signal OK R423 R422 R424 output signal OK Check IC511 or replace Check IC401 or replace YES YES NO NO IC401 pin23 24 26 27 29 30 signal OK CN401 pin13 14 15 signal OK Check IC201 or replace Check CN401 or replace YES YES NO NO ...

Page 123: ... pin18 Vcc 5 V OK Check L803 and Vcc 5 V line YES YES YES NO JK803 pin19 HP_DET about 3 3 V OK Is there signal on X802 Is there signal on R841 R842 Check hot plug detect signal from TV Check X802 or replace X802 Check IC801 Vcc or replace IC801 YES YES NO NO NO 1 6 NO HDMI OUTPUT ...

Page 124: ...about 3 3V OK JK803 pin18 Vcc 5 V OK Is there signal on X802 Is there signal on JK801 JK802 pin15 16 Is there signal on R841 R842 JK803 pin19 HP_DET about 3 3 V OK Check IC801 status Check L803 and Vcc 5 V line Check X802 or replace X802 Replace IC801 Check IC801 Vcc or replace IC801 Check hot plug detect signal from TV YES YES YES YES NO NO NO NO NO NO 1 7 NO HDMI INPUT ...

Page 125: ...A Is the F901 normal Replace F901 same fuse YES YES NO Is TH901 normal Is BD901 normal Is the Vcc 11 V 25 V supplied to IC901 pin7 Replace TH901 Replace BD901 Is D922 normal Check or replace D922 YES YES YES YES NO NO NO Power line of MAIN board is short 2 1 POWER SUPPLY ON SMPS BOARD ...

Page 126: ...OUBLESHOOTING No 35 VA Is the IC902 normal Replace IC902 YES YES NO Is D950 normal Is the Vcc 13 V 27 V supplied to IC902 pin4 Replace D950 Is Q910 normal Check or replace D910 YES YES YES NO NO Power line of MAIN board is short ...

Page 127: ...2 112 X101 20 MHz 3 X200 24 57 MHz 4 X500 27 MHz 1 X802 28 63 MHz 2 WAVEFORMS 1 SYSTEM PART 1 X TAL 1 2 4 3 IC500 IC101 ...

Page 128: ...2 113 2 SYSTEM PART 2 DDR3 MEMORY DDR3_BA0 5 DDR3_nWE 6 DDR3_nCAS 7 DDR3_CLK01_P 8 IC500 5 6 7 8 ...

Page 129: ...2 114 3 VIDEO PART 100 FULL COLOR BAR COMPOSITE 9 COMP_Y 10 COMP_Pb 11 COMP_Pr 12 11 12 10 9 ...

Page 130: ...2 115 HPD_TX 13 DDC_SDA 14 DDC_SCL 15 TXC 16 15 14 16 13 4 HDMI PART ...

Page 131: ...2 116 5 MICOM AND MPEG I F PART BCM_nRESET 17 18 19 17 MICOM_UART_RX2 18 MICOM_UART_TX2 19 ...

Page 132: ... CN250 CN401 CN601 CN901 CN150 CN331 CN303 CN301 CN201 CN203 CN253 TOUCH CN202 CN251 12P B d to B d 22P FFC CABLE OPTIONAL PART 9P FFC CABLE 24P FFC CABLE 26P FFC CABLE 14P HARNESS CABLE 5P HARNESS CABLE 4P HARNESS CABLE 3P HARNESS CABLE WIRING DIAGRAMS 1 MAIN SET WIRING DIAGRAM ...

Page 133: ...Filter Thermistor Rectifier Circuit Bridge CAPACITOR IC Power AMP Power MAIN FET 4 5V 27V 14VA 5 6V 3 8VA 32V 39V AC Snubber Standby 16 5V FL VKK IC Peripheral Circuit IC Peripheral Circuit System for Power IC P CTRL TRANS EER2828 Snubber BLOCK DIAGRAMS 1 MAIN SET BLOCK DIAGRAM 1 1 SMPS BLOCK DIAGRAM ...

Page 134: ...30234SP To MD 45 18pFFC 2chADC CS5346 Ethernet D D 5V USB WIFI Dongle I2S CP Chip SPDIF Motor Driver 2ch LB1848M 12C 1 To HDMITX EPHY_TDP N EPHY_RDP N TRD FOD SLD SPD TILT LOAD COLD MD OPU A B C D E F G H RF BT RX Wireless 3ch TX Module I2S Wireless Option 12C 2 _ Touch W LESS 74ALVC244 TAS5614 PS9850 TAS5614 TAS5614 MIC MIC_Det 3 3V 32 39 12V E2P ROM EEPROM I2C 20MHZ Interface MICOM NEC 100P 3 3V...

Page 135: ...DC HPD To DSP From DSP I2S I2S CEC VFD ET16315 TOUCH ATLAB 12C 1 SPI 2 12C 2 _Touch SMPS PCB Main PCB Amp PCB DC DC AOZ1037 DC DC AOZ1073 LDO TJ3965 VCC_12V 3 3V 1 5V 1 2V DC DC Block VCC_3 7VA THS7314 Video Drive CVBS out MM1225 Video SW From i pod CVBS From Component THS7316 Video Drive Compo out HDMI VFD TOUCH VIDEO HB906 6key PWR Tact Vol Encoder HB966 9key MAIN SET BLOCK DIAGRAM 1 3 HDMI VFD ...

Page 136: ...8V_OPU 1 5V M24C16 I2C VCC_1V5 VCC_1V2 TUN I2C EPHY VCC_3V3 VCC_5V VCC_3V3_VIDEO I2C THS7314 THS7316 3 8VA 14VA 6VA MIC_ADC VCC_3V3_MIC TJ3965 SOP8 Micom_CTRL1 2 3 LM1117 SOT223 VCC_3V3 ADV7622 HDMI_3V3 HDMI_1V8 VCC_5V VCC_5V_HDMI TJ3965 SOP8 VCC_3V3 LM1117T O252 AOZ1073 AOZ1037 3 3V_BCM 3 3V_BCM LM29152RS EDID_EEPROM MAIN SET BLOCK DIAGRAM 1 4 POWER BCM FE MICOM HDMI BLOCK DIAGRAM ...

Page 137: ...IR CS5346_ADC VCC_5V VA5V VCC_3V3 VCC_3V3 VCC_3V3 VCC_3V3 WIRELESS WITH SRC_3CH VCC_5V NJM2794 NJM2505 VCC_5V VCC_5V BLUETOOTH VCC_3V3 6VA LM39102 3L SOT223 VCC_3V3 LM1117T O252 MM1507 VCC_5V MAIN SET BLOCK DIAGRAM 1 5 POWER DSP ADC DIR WIRELESS BLOCK DIAGRAM ...

Page 138: ...OT223 USB_5V IPOD_5V USB IPOD Volume FROM_MAIN VFD LED 3 8VA VKK FL 5 6V HDD USB 1A EXTERNAL HDD IPOD 1A LM39100 3L SOT223 LM39100 3L SOT223 WIFI_5V WIFI WIFI 310mA Touch MAIN SET BLOCK DIAGRAM 1 6 POWER FRONT iPod USB Wi Fi TOUCH BLOCK DIAGRAM ...

Page 139: ...SSION FROM THE LG CORPORATION ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE L...

Page 140: ...2 134 2 133 1 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T CPU 1 EBY60991501 1 REV6 7 2010 12 07 WAVEFORM NUMBER MAIN SET CIRCUIT DIAGRAM 1 2 MAIN CPU 1 CIRCUIT ...

Page 141: ...2 136 2 135 5 6 7 8 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T CPU 2 EBY60991501 2 REV6 7 2010 12 07 WAVEFORM NUMBER MAIN SET CIRCUIT DIAGRAM 1 3 MAIN CPU 2 CIRCUIT ...

Page 142: ...2 138 2 137 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T DDR3 NAND EBY60991501 3 REV6 7 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 4 MAIN DDR3 NAND CIRCUIT ...

Page 143: ...2 140 2 139 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T FRONTEND EBY60991501 4 REV6 7 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 5 MAIN BCM7633 FRONT END CIRCUIT ...

Page 144: ...2 142 2 141 18 19 17 3 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T MICOM EBY60991501 5 REV6 7 2010 12 07 WAVEFORM NUMBER MAIN SET CIRCUIT DIAGRAM 1 6 MAIN MICOM CIRCUIT ...

Page 145: ...2 144 2 143 15 14 16 13 2 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T HDMI EBY60991501 6 REV6 7 2010 12 07 WAVEFORM NUMBER MAIN SET CIRCUIT DIAGRAM 1 7 MAIN HDMI CIRCUIT ...

Page 146: ...2 146 2 145 4 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ADC DIR EBY60991501 7 REV6 7 2010 12 07 WAVEFORM NUMBER MAIN SET CIRCUIT DIAGRAM 1 8 MAIN ADC DIR CIRCUIT ...

Page 147: ...2 148 2 147 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T DSP EBY60991501 8 REV6 7 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 9 MAIN DSP CIRCUIT ...

Page 148: ...2 150 2 149 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T POWER EBY60991501 9 REV6 7 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 10 MAIN POWER CIRCUIT ...

Page 149: ...2 152 2 151 11 12 10 9 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T I O EBY60991501 10 REV6 7 2010 12 07 WAVEFORM NUMBER MAIN SET CIRCUIT DIAGRAM 1 11 MAIN I O CIRCUIT ...

Page 150: ...2 154 2 153 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T PWM EBY60991601 1 REV6 1 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 12 PWM CIRCUIT ...

Page 151: ...2 156 2 155 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T AMP EBY60991601 2 REV6 1 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 13 AMP CIRCUIT ...

Page 152: ...2 158 2 157 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T JACK EBY60991901 REV8 1 2010 12 15 MAIN SET CIRCUIT DIAGRAM 1 14 JACK CIRCUIT ...

Page 153: ...2 160 2 159 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T FRONT EBY60992001 1 REV6 1 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 15 FRONT TIMER CIRCUIT ...

Page 154: ...2 162 2 161 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T TOUCH EBY60992001 2 REV6 1 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 16 FRONT TOUCH CIRCUIT ...

Page 155: ...2 164 2 163 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J POWER KEY EBY61050201 REV2 1 2010 12 07 MAIN SET CIRCUIT DIAGRAM 1 17 POWER KEY CIRCUIT MEMO ...

Page 156: ...ALTERED WITH OUT PERMISSION FROM THE LG CORPORATION ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED U...

Page 157: ...2 168 2 167 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T MAIN 1 EBY61008601 1 REV4 2 2010 12 07 WIRELESS RECEIVER CIRCUIT DIAGRAM 2 2 MAIN MAIN 1 CIRCUIT ...

Page 158: ...2 170 2 169 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T MAIN 2 EBY61008601 2 REV4 2 2010 12 07 WIRELESS RECEIVER CIRCUIT DIAGRAM 2 3 MAIN MAIN 2 CIRCUIT ...

Page 159: ...2 172 2 171 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J LED EBY61008701 REV2 1 2010 12 07 WIRELESS RECEIVER CIRCUIT DIAGRAM 2 4 LED CIRCUIT MEMO ...

Page 160: ...1 8V SIC707 VIN 15 12 43 Vout 8 6 95 LM39102D ADJ IC299 VIN 2 25 16 5 63 M24C16 IC102 IC804 IC805 VCC 1 8 5 5 4 76 MX 25L3205D IC403 VCC 2 7 3 6 3 34 NLAS B3157D FT2G IC806 IC807 IC808 IC809 VCC 1 65 5 5 4 76 Description Location Division Spec V Voltage V S7127F_ AUK IC103 VCC 0 3 15 3 7 Vout 2 55 2 85 3 26 THS7365 IC251 Vs 3 5 4 98 TJ3966DP IC802 VIN 2 5 6 3 73 Vout 3 3 3 26 UP D78F11645 IC101 VD...

Page 161: ...2 176 2 175 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN SET P C BOARD 1 1 MAIN P C BOARD TOP VIEW ...

Page 162: ...2 178 2 177 MAIN SET P C BOARD MAIN P C BOARD BOTTOM VIEW ...

Page 163: ...2 180 2 179 MAIN SET P C BOARD 1 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Page 164: ...2 182 2 181 MAIN SET P C BOARD 1 3 AMP P C BOARD TOP VIEW BOTTOM VIEW ...

Page 165: ...2 184 2 183 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 ...

Page 166: ...2 186 2 185 PRINTED CIRCUIT BOARD DIAGRAMS 2 WIRELESS RECEIVER P C BOARD 2 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...

Page 167: ... 188 2 187 WIRELESS RECEIVER P C BOARD 2 2 SMPS P C BOARD 2 3 LED P C BOARD TOP VIEW TOP VIEW BOTTOM VIEW BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Page 168: ...NET 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 FRONT SPEAKER EXPLODED VIEW 3 8 2 3 REAR SPEAKER EXPLODED VIEW 3 9 2 4 PASSIVE SUBWOOFER EXPLODED VIEW 3 10 3 WIRELESS RECEIVER SECTION 3 11 4 PACKING ACCESSORY SECTION 3 12 ...

Page 169: ...3 2 MEMO ...

Page 170: ...MAIN SMPS A46 A47 463 463 463 463 463 J I K 261 A44 261 261 260 268 269 B A C CN901 D C E 479 CABLE2 CABLE3 A41 H A43 462 250 462 A50 279 464 CABLE4 CN303 480 462 250R 462 OPTIONAL PART F G CABLE7 CABLE6 A54 A51 WIRELESS Wi Fi EXPLODED VIEWS 1 MAIN SET SECTION 1 1 CABINET EXPLODED VIEW ...

Page 171: ...26 A001 1002 1005 1001 1049 1437 1437 1437 1025 1025 1030 1024 1011 1012 1043 1045 A005 1017 1016 1013 1433 1015 1020 1024 1004 1003 1439 1031 1050 1439 1018 1019 1431 1 2 DECK MECHANISM EXPLODED VIEW BM12T MEMO ...

Page 172: ...3 7 A700 2 SPEAKER SECTION 2 1 CENTER SPEAKER EXPLODED VIEW ...

Page 173: ...3 8 852 851 851 851 Screw 8ea A800B A800 A800F 852 Screw 2ea 850 2 2 FRONT SPEAKER EXPLODED VIEW ...

Page 174: ...3 9 A600 2 3 REAR SPEAKER EXPLODED VIEW ...

Page 175: ...3 10 A900 2 4 PASSIVE SUBWOOFER EXPLODED VIEW ...

Page 176: ...3 396 394 A81M MAIN WIRELESS SMPS 390L 391 CN901 826 397 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 ...

Page 177: ...sc 801 Owner s manual WIRE80 WIRE81 WIRE70 WIRE60 WIRE61 Front Left Front Right Center Rear Left Rear Right Speaker Cables 803 Packing 802 Box 803 Packing 803A Speaker packing 803B Speaker packing 803D Speaker packing 803E Speaker packing 803C Speaker packing 804 Bag 803WP Wireless pad 803W Wireless packing 4 PACKING ACCESSORY SECTION ...

Page 178: ...D DISC READING ERROR 4 5 5 ABNORMAL SERVO OPERATION 4 6 HOW TO USE THE SA RESET FUNCTION 4 7 1 SA RESET PURPOSE 4 7 2 REQUIRED SA RESET 4 7 3 SA RESET PROCEDURE 4 7 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 4 9 1 BCM7633 4 9 2 DRIVE IC R2A30209SP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 4 12 3 PICK UP CONNECTOR TERMINAL PIN ASSIGNMENTS LTH A12 4 14 BLOCK DIAGRAM 4 15 ...

Page 179: ...eshoot Countermeasure 1 Check the connection between main board and FFC cable 2 Confirm the connection point 3 If all the cable connections are normal replace the traverse assembly 1 3 Service hint Any picture Remark After changing MD Traverse assembly you must perform SA Reset Refer to the next chapter How to use the SA reset function 1 3 1 HB906 HB966 MD BM12T HL09LG MD APPEARANCE Pick up Sled S...

Page 180: ...onent 1 MD Traverse Assembly 2 SIC707 Adjustable LDO 2 2 How to troubleshoot Countermeasure 1 Check MD Traverse pick up first of all 2 Check input output voltage of LDO SIC707 12 V 8 1 V 3 If output voltage is abnormal check the periphery of SIC707 and replace it 4 Check the BD LD Control input output If input signal LTHR is ok but no output LDI_BD check the TR SQ714 SQ716 2 3 Service hint Any pic...

Page 181: ...is abnormal DVD doesn t work 3 1 Component 1 MD Traverse Assembly 2 SQ712 SQ717 3 2 How to troubleshoot Countermeasure 1 Check MD Traverse pick up first of all 2 Check the DVD LD Control input output If input signal LDEL0 is ok but no output LDI_DVD check the TR SQ712 SQ717 3 3 Service hint Any picture Remark INPUT FROM MAIN CHIP OUTPUT TO PICK UP 5V ...

Page 182: ...perated normally If the LD current control is abnormal CD doesn t work 4 1 Component 1 MD Traverse Assembly 2 SQ713 SQ715 4 2 How to troubleshoot Countermeasure 1 Check MD Traverse pick up first of all 2 Check the CD LD Control input output If input signal LDEL1 is ok but no output LDI_CD check the TR SQ713 SQ715 4 3 Service hint Any picture Remark ...

Page 183: ...rs are abnormal operations After changing Motor Drive IC the motors are abnormal operations 5 1 Component 1 MD Traverse Assembly 2 SIC706 AZ4580MTR E1 5 2 How to troubleshoot Countermeasure 1 Check if the input output voltage of SIC706 pin5 and pin7 is 1 65 V 5 3 Service hint Any picture Remark 1 65V INPUT FROM MAIN CHIP ...

Page 184: ...t point 3 We use this value to playback the BD disc after we store into the flash memory 2 REQUIRED SA RESET 1 After changing Traverse 2 After changing Main Board Assembly 3 After changing Main Board Flash IC 3 SA RESET PROCEDURE 1 After the set turn on then mode is the home menu 2 Press HOME key to escape from home menu 3 Press the 4 5 6 2 5 8 0 numeri cal button on the remote controller to displ...

Page 185: ...ngle layer disc Check the disc reverse side of printed label and then you can see the Bar code in the near of center hole You should use BD disc which has 1 Barcode like left picture If you use Double Layer Disc we don t perform the SA adjustment it might be not able to read BD disc Barcode 1 EA How to check the BD Single Layer and Double Layer Disc Barcode 2 EA BD Single Layer Disc BD Double Laye...

Page 186: ...BCM7633 1 1 Front end Block Diagram ADC ADC ADC AFE PDM DACs Laser Control DFE Demodulator Wobble Detector Servo DSP CD DVD BD Decoders ARM Cortex R4 FE Control Processor RF IN A J IN FORCUS TRACKING MOTOR LASER PICK UP MOTOR OSC MEMORY DDR FLASH B END SHARING ...

Page 187: ...nel Input OFE_OPU_GPADC2 AI AI B18 General Purpose ADC Channel Input OFE_OPU_VREF AO AO E16 Reference Voltage OFE_OPU_VREFB AO AO E18 Reference Voltage for OEIC 1 5 to 2 55V OFE_OPU_AIN AI AI C22 Photodiode Input A OFE_OPU_BIN AI AI D21 Photodiode Input B OFE_OPU_CIN AI AI D22 Photodiode Input C OFE_OPU_DIN AI AI E21 Photodiode Input D OFE_OPU_EIN AI AI E22 Photodiode Input E OFE_OPU_FIN AI AI F21...

Page 188: ...P_PB1 Land OFE_GP_PB2 I O I O 3 3 F14 OFE_GP_PB2 OFE_GP_PB3 I O I O 3 3 G14 OFE_GP_PB3 OFE_GP_PB4 I O I O 3 3 C13 OFE_GP_PB4 MIO0 DIGTP1 OFE_GP_PB5 I O I O 3 3 B13 OFE_GP_PB5 MIO1 DIGTP2 OFE_GP_PB6 I O I O 3 3 D12 OFE_GP_PB6 MIO2 DIGTP3 OFE_GP_PB7 I O I O 3 3 E11 OFE_GP_PB7 MIO3 OFE Analog Supply Label Function I O IO PU PD Tol V Loc Description OFE_AVDD1P2RFDPD APWR APWR 1 2 A19 Analog Power for ...

Page 189: ...4 12 2 DRIVE IC R2A30209SP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...

Page 190: ...current limit 19 FG Frequency generator output 20 EN1 Input terminal for enable 1 21 EN2 Input terminal for enable 2 22 VM1 Motor Power Supply 1 for Spindle 23 SPGS Input terminal for gain select SPM 24 IPRO1 Input terminal for ACT13 current protect 25 ACGS Input terminal for gain select ACT 26 VM3 Power Supply3 for Loading 27 LO Loading non inverted output 28 LO Loading inverted output 29 GND GND...

Page 191: ...4 RF RF output for BD and DVD CD 25 SWB2 PDIC BD Output Switch Port 26 SWB1 PDIC BD Output Switch Port 27 VREF_PD PDIC Reference Supply Terminal 2 1 V 28 VCC_ 5PD PDIC Power Terminal 5 V 29 PGND GND for PDIC 30 SW 2 Wavelength PDIC DVD CD Sleep L H M Changeover SW 31 GND1 LD HFM IC Monitor GND for LD and HFM IC 32 LDI BD LD control for LD BD 33 LDI CD LD control for LD CD 34 LDI DVD LD control for...

Page 192: ...IN 5 V 12 V 1 2 V 3 3 V 2 SIC707 Adj regulator 8V For BD LD Loading Motor ARM Processor FO TRK TILT Active CP SPINDLE Motor SLED Motor OPU LTH A12 Feed Mecha R2A30209SP AACS Advanced Access Content System DRAM RF Servo Signal Monitor LD BD DVD CD Power Spindle 6ch Actuator Driver Sensor less spindle driver V I LB1848M Stepping Driver For Active CP OSC B END BLOCK SHARING ...

Page 193: ...4 16 MEMO ...

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