LG BPM54 Service Manual Download Page 53 | Manualshive

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LG BPM54 Service Manual Download Page 53

3-40

ONE POINT REPAIR GUIDE

< Main board top view >

< Wi-Fi module >

5. WIRELESS NETWORK CONNECTION ERROR

When you connect online service (like Youtube or Netflix2.1) through the Wi-Fi,
the “no connection “ message appears.

5-1. Wi-Fi Module

5-1-1.

Solution

Replace Wi-Fi module on front panel.

5-1-2. How to troubleshoot (Countermeasure)

  1) Check you internet connection. Make sure it connect properly to modem or router.
  2) If internet connection OK, please check the CN803.
  3) If there is soldering problem, please re-soldering pin CN803.
  4) If after re-soldering problem still occurs, replace Wi-Fi module.
  5) If problem still occurs after change Wi-Fi module, check MT8560 IC (IC501). Refer to item 3-8.

5-1-3. Service hint (Any picture / Remark)

CN803

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Summary of Contents for BPM54

Page 1: ...C DVDPLAYER SERVICE MANUAL MODEL BPM54 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL BPM54 SERVICE MANUAL P NO AFN76114597 OCTOBER 2014 Website http biz lgservice com Internal Use Only ...

Page 2: ...1 1 CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MT8560 F E LOADER PART SECTION 5 REPLACEMENT PARTS LIST ...

Page 3: ... SAFETY SERVICING GUIDELINES FOR BLU RAY DISC DVD PLAYER PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES FIRMWARE UPDATE GUIDE 1 5 SPECIFICATIONS 1 8 ...

Page 4: ... the 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 particles 4 Check for physical evidence of damage or deterioration to parts and components for frayed leads or damaged insulation including the AC cord and replace if necessary 5 No lead or component shoul...

Page 5: ...essible Conductive 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...

Page 6: ...IDE 1 COPY AN UPDATE FILE TO A MEDIA USB OR CD ROM Update File Name LG_BD_8100M60 ROM 1 An update file have to be copied onto the root of file system 2 USB and CD ROM are able to use firmware update Example Nero Burning Rom ...

Page 7: ...USB or CD ROM which has an update file 2 OSD responds to the insertion event 3 OSD is shown as below Firmware Update OSD OSD contents Front Panel contents wkh l SJWFS 7FSTJPO 48 7FSTJPO OFX VQEBUF XBT GPVOE P ZPV XBOU UP VQEBUF 48 7FSTJPO 0 BODFM Upgrade ...

Page 8: ...RING UPDATING 1 Progressive bar is shown on the update time repeatedly 2 Tray is opened Front Panel contents 4 AFTER UPDATE COMPLETE 1 Power off on automatically after update complete 2 Tray will be closed Shift rolling until finish ...

Page 9: ...e 5 C to 35 C Operating humidity 5 to 90 OUTPUTS HDMI OUT video audio 19 pin Type A HDMI Connector DIGITAL AUDIO OUT COAXIAL 0 5 V p p 75 Ω RCA jack x 1 SYSTEM Laser Semiconductor laser wavelength 405 nm 650 nm Signal system Standard PAL NTSC colour TV system LAN port Ethernet jack x 1 10BASE T 100BASE TX Bus Power Supply USB DC 5 V 500 mA Note Design and specifications are subject to change prior...

Page 10: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 CABINET AND MAIN FRAME SECTION 2 2 2 DECK MECHANISM SECTION 2 3 3 PACKING ACCESSORY SECTION 2 4 ...

Page 11: ...MAIN BOARD A B C A B C 468 250 462 283 A43 284 462 A44 261 260 470 A46 SMPS TIMER BOARD A47 468 300 D 468 Wi Fi MODULE D A51 CABLE2 278 EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION ...

Page 12: ...1026 1439 A001 1002 1005 1001 1030 1016 1013 1015 1020 1003 1011 1012 1049 1437 1025 1025 1024 1024 1437 1035 A006 1004 1043 A005 1439 1045 1018 1019 2 DECK MECHANISM SECTION BM14G ...

Page 13: ...803 Packing 803 Packing 804 Bag 802 Box 900 Remote Control 808 Battery 801 Instruction Ass y 3 PACKING ACCESSORY SECTION ...

Page 14: ... GUIDE 3 42 1 SMPS TROUBLESHOOTING FLOW 3 42 2 POWER SUPPLY ON SMPS BOARD 3 43 3 POWER SUPPLY ON MAIN BOARD 3 45 4 SYSTEM PART 3 47 5 NO HDMI OUTPUT 3 49 WAVEFORMS OF MAJOR CHECK POINT 3 50 1 SYSTEM PART 1 3 50 2 SYSTEM PART 2 SYSTEM MEMORY 3 51 3 HDMI PART 3 52 WIRING DIAGRAMS 3 53 BLOCK DIAGRAMS 3 54 1 SYSTEM BLOCK DIAGRAM 3 54 2 SMPS BLOCK DIAGRAM 3 55 CIRCUIT DIAGRAMS 3 57 1 SMPS TIMER CIRCUIT...

Page 15: ... 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 multiple discs NO YES One disc displaying the issue is a problem with the disc Multiple discs displaying the problem could indicate the BD lens needs to be cleaned R...

Page 16: ...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 17: ...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 18: ...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 19: ...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 20: ... TV is on the correct 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 pro...

Page 21: ...ine 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 may have a problem with the particular...

Page 22: ... 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 may have a problem with the particular input on his T...

Page 23: ...ut 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 may have a problem with the particular input ...

Page 24: ...er to connect the device to another display If the device starts working then the problem may be the original display The customer will need to troubleshoot the display If the device still does not work then the problem may be the device or the cable Has the customer tried another cable NO Ask the customer to replace the cable between the device and display If the problem is corrected then the pro...

Page 25: ...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 26: ...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 27: ...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 28: ...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 29: ...ied 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 o...

Page 30: ...ged 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 the BD then set up ser...

Page 31: ...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 32: ...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 33: ...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 34: ...tomer 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 c...

Page 35: ...er 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 comp...

Page 36: ...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 37: ...re 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 480i p 720i p 1080i and 1080p resolution require a widescreen as...

Page 38: ...Copy protected discs will not be up converted when HDCP is not found on the input or output Is the customer using an HDMI or DVI cable NO YES Regular discs can be converted to 1080p just through the HDMI output The TV must have HDCP compliancy on the HDMI input The display has to accept the resolution 480i p 720i p 1080i or 1080p Is the customer using an HDMI to DVI cable NO YES Some movie compani...

Page 39: ... When a customer switches from one disc to another the lens have to be changed what causes the delay BLU RAY require different lasers to read the discs Why does it take so long to boot my BD NO The booting times for the BD is under 15 seconds When the set is booted it takes a little long time to loading the OS program 6 2 Booting Times ...

Page 40: ...C103 ar No Power R101 is Defective No Power F101 is Defective XU hsVY W OXU hGY W P sX sY k XWX X Z Y _ XW XX jXWX XWW mVY hj jXWY XWW mVY hj jXW mV W pjXWX z yTh W Zt X zVvjw Y iy Z nuk miVvsw jj kVz _ kVz w XWX X g j Y g j mXWX yXWX YU yXWW U t yXWWTQX XU t sXWX X Y Z jXWZ YY m jXW X m jXWZTQX m jXWZTQY X m jXW TQY X m yXZW XWWr jXW XW m XWX kXWZ Xh kXW Xh kXW Xh kXW Xh kXWX Xm ijXWY i YWXYTXYXm...

Page 41: ...er 06 are Defective No Power D102 is Defective S W Error IC101 is Defective 14VA No Power D126 D130 are Defective 5 1VA No Power D127 is Defective knuk jXY XWWW mVX Os P sXXX YY o jXY XWWW mVXW yXYZ X_r XWX X Z Y _ XW XX jXW mV W pjXWX z yTh W Zt X zVvjw Y iy Z nuk miVvsw jj kVz _ kVz jXWZ YY m jXW X m yXZW XWWr jXW XW m kXWX Xm ijXWY i YWXYTXYXm yXWY yXWZ kXWY ysXW m jXW_ XWW m kXWX k zZZi X Y W ...

Page 42: ...picture Remark No Power D102 is Defective Error Defective 14VA No Power D126 D130 are Defective 5 1VA No Power D127 is Defective zi w jsr z i kh h py vwluVjsvzl w y rl knuk jXY XWWW mVX Os P UX h sXXX YY o jXY XWWW mVXW yXYZ X_r XWX X Z Y _ XW XX yXWY yXWZ kXWY ysXW m jXW_ XWW m kXY ysXW m kXZW ysXW m jXYZ XWWW mVY OykP kXY zyZW TZ jXY hGswm uj yXY YYW r X ju WX X nuk Y nuk Z XY h UX h w y j s wv ...

Page 43: ...Solution Replace IC153 on main board 3 1 2 How to troubleshoot Countermeasure 1 Please check 5 1 VA of IC153 pin2 Vin 2 If 5 1 VA is abnormal follow the stage 2 1 case1 at the previous page 3 If 5 1 VA is OK but 3 3 VA is abnormal at the IC153 pin1 Vout replace IC153 3 1 3 Service hint Any picture Remark Main board top view UZ h ZUZ h knuk knuk jX_ X mV UZ OzP jX_ uj X mV UZ OzP pjX Z stXXW_zmTZUZ...

Page 44: ...VA from SMPS For the solution please back to the solution 2 3 If 5 1 VA input is normal first of all check the PWR_CTL is high CN150 pin6 If PWR_CTL is high check R172 L153 C179 R173 R174 R175 R176 and if there s no defective component then replace IC151 4 After changing it if the set is still not booting Refer to the next page for checking another power source 1 1 V 1 2 V 1 5 V Check crystal X501...

Page 45: ...us page to check it 3 If Vcc input IC150 there are 13 V signal First of all check the PWR_CTL is high and if it s high check C165 R165 L152 C169 R169 R170 R171 C174 C175 C176 C177 and if there s no defective component please replace IC150 4 After changing it if the set is still not booting Check 1 1 1 2 3 3 V 3 3 VA is normal please refer to other sections of this guide Check Crystal X501 refer to...

Page 46: ...ious page to check it 3 If VCC input IC150 there are 13 VA signal First of all check the PWR_CTL is high and if it s high check C161 R161 C167 L151 R166 R167 R168 C170 C171 C172 C173 and if there s no defective component please replace IC150 4 After changing it if the set is still not booting Check 1 2 3 3 V 3 3 VA is normal please refer to other sections of this guide Check Crystal X501 refer to ...

Page 47: ... Countermeasure 1 Please check the soldering status of 27 MHz crystal X501 2 Please check the frequency of 27 MHz crystal X501 3 If the crystal doesn t oscillate replace X501 4 After changing it if the set is still not booting Check NAND flash IC IC603 refer to item 3 6 Check DDR IC IC601 IC602 refer to item 3 7 Check MT8560 IC IC501 refer to item 3 8 3 5 3 Service hint Any picture Remark Main boa...

Page 48: ...How to troubleshoot Countermeasure 1 Please check physical status of IC603 on your eyes 2 Check the Vcc 3 3 V of IC603 and if it s normal please replace IC603 Please make sure IC603 has proper program 3 After changing it if the set is still not booting Check DDR IC IC601 IC602 refer to item 3 7 Check MT8560 IC IC501 refer to item 3 8 3 6 3 Service hint Any picture Remark Main board bottom view IC6...

Page 49: ...lease check 0 75 V of DDR3_VREF between C645 and C646 Please check 0 75 V of DDR3_VREF between C647 and C648 Please check 1 5 V of C601 2 If it doesn t work even though IC150 IC151 IC152 IC153 are no problem IC601 IC602 DDR memory could have problem 3 After changing it if the set is still not booting Check MT8560 IC IC501 refer to item 3 8 Check main board refer to item 3 9 3 7 3 Service hint Any ...

Page 50: ...ure 1 Please check 1 2 V of C502 on main board Please check 3 3 V of C553 on main board Please check 1 5 V of C602 on main board 2 If it doesn t work even though IC150 IC151 are no problem IC501 MT8560 could have problem 3 After changing it if the set is still no booting check main board refer to item 3 9 3 8 3 Service hint Any picture Remark Main board bottom view Main board top view C602 1 5V C5...

Page 51: ...ard 3 9 2 How to troubleshoot Countermeasure 1 Please remove IC501 and IC601 IC602 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 3 9 3 Service hint Any picture Remark Main board top view IC501 IC601 IC602 ...

Page 52: ...thernet Jack on main board 4 1 2 How to troubleshoot Countermeasure 1 Check you internet connection Make sure it connect properly to modem or router 2 If internet connection OK please check the Ethernet Jack JK803 3 If there is soldering problem please re soldering pin JK803 4 If after re soldering problem still occurs replace JK803 5 If problem still occurs after change JK803 check MT8560 IC IC50...

Page 53: ...odule on front panel 5 1 2 How to troubleshoot Countermeasure 1 Check you internet connection Make sure it connect properly to modem or router 2 If internet connection OK please check the CN803 3 If there is soldering problem please re soldering pin CN803 4 If after re soldering problem still occurs replace Wi Fi module 5 If problem still occurs after change Wi Fi module check MT8560 IC IC501 Refe...

Page 54: ...creen But component output is OK 6 1 JK802 HDMI Jack 6 1 1 Solution Replace JK802 HDMI Jack 6 1 2 How to troubleshoot Countermeasure 1 Check JK802 pin soldering 2 If there is short soldering on pin JK802 re soldering pin JK802 3 If problem still occurs check HDMI data If all data OK replace JK802 If data NG check set on BD Mode Replace IC501 6 1 3 Service hint Any picture Remark JK802 ...

Page 55: ...NO NO Is R101 normal Is there about 2 5 V at IC103 pin1 Is D103 D104 D105 D106 normal Is IC102 normal Is Vcc 13 V 27 V supplied to IC101 pin7 Is D126 D130 Normal Replace R101 Replace IC103 Replace D103 D104 D105 D106 Replace IC102 Is D102 normal Replace D126 D130 Check or replace D102 YES YES YES YES NO YES YES NO NO NO NO NO NO Power line of MAIN board is short ...

Page 56: ... YES NO Is R101 normal Is D103 D106 normal Is the VCC 13 V 27 V supplied to IC101 pin7 Replace R101 Replace D103 D104 D105 D106 Is D102 normal Check or replace D102 YES YES YES NO NO NO NO Power line of MAIN board is short 2 POWER SUPPLY ON SMPS BOARD No 13 VA Check or replace D126 D130 YES ...

Page 57: ...DE No 12 VA Check or replace D126 D130 Check or replace C123 Check soldering connector CN901 Check SMPS primer side Is the D126 D130 output 12 VA D126 D130 OK C123 OK NO NO NO YES YES YES YES YES Is the Vcc supplied to D126 D130 anode NO ...

Page 58: ...ES YES NO Is D150 output 5 3 VA Is there signal at IC151 pin1 Check C178 or replace D150 Check voltage on IC501 YES YES NO NO No 5 V Check IC150 and replace Is the Vcc 5 3 VA supplied to IC150 pin27 Is there 3 3 V at IC150 pin25 Check 5 3 VA on SMPS board Check PWR_CTL signal from IC501 YES YES YES NO NO 3 POWER SUPPLY ON MAIN BOARD ...

Page 59: ...to IC150 pin13 Is there 3 3 V at IC150 pin15 Check 12 VA on SMPS board Check PWR_CTL signal from IC501 YES YES YES NO NO No 1 5 V Check IC150 and replace Is the Vcc 12 VA supplied to IC150 pin8 Check 12 VA on SMPS board YES YES NO Is there 3 3 V at IC150 pin6 Check PWR_CTL signal from IC501 YES NO ...

Page 60: ...IC153 and SMPS Check SMPS HELLO display on LED OK IC501 IC601 IC602 Vcc 1 2VA 3 3VA 1 5V 1 1V OK 5 V OK NO NO NO YES YES Check IC501 CN901 Replace X501 Replace IC901 LED driver VCLK VDATA VSTB OK X501 27 000 MHz OK IC901 data output to LED OK NO NO NO YES YES YES YES 4A Replace IC501 MT8560 Replace LED901 4B ...

Page 61: ...ace X501 LG Logo display on monitor OK LG Logo display on monitor OK 4A IC501 Vcc 1 2V 3 3V 1 1V 1 5V OK Display cable connection OK X501 27 000 MHz OK NO NO NO NO NO YES YES YES YES YES Check IC150 and SMPS Replace IC603 NAND flash Replace IC501 MT8560 or IC601 IC602 IC601 IC602 Vcc 1 5V OK Signal NF_ALE NF_CLE OK NO NO YES YES ...

Page 62: ... Check Vcc 5 3 VA from SMPS Check hot plug detect signal from TV Check IC501 MT8560 Vcc or replace IC501 MT8560 YES YES YES YES NO NO NO JK802 pin18 Vcc 5 3 VA OK JK802 pin19 HPD about 3 3 V OK Is there signal on pin1 3 4 6 7 9 10 12 HDMI output OK 5 NO HDMI OUTPUT ...

Page 63: ...3 50 WAVEFORMS OF MAJOR CHECK POINT 1 1 SYSTEM PART 1 IC501 MT8560 X TAL 27 MHz 1 ...

Page 64: ...3 51 2 SYSTEM PART 2 SYSTEM MEMORY IC601 BA0 2 IC601 WE 3 IC601 CAS 4 IC601 CK 5 2 3 5 4 ...

Page 65: ...3 52 3 HDMI PART H_SDA 6 H_SCL 7 HDMI_CLK_N 8 HDMI_0_N 9 9 8 7 6 ...

Page 66: ...3 53 X pin FFC HDMI X pin Harness 8 Pin 5 Pin 45 Pin Ethernet pTmp 5 Pin X pin CLOCK USB RC 16 pin Coaxial B to B Connector WIRING DIAGRAMS ...

Page 67: ...j s 5 3VA skv stZ XWYk 3 3VA USB SPDIF CLOCK DRIVER MC2002 STB CLK DATA LED CLOCK 12V skv stZ XWYk 1 5V 1 2V 5V Open Close Power w y j sY 5V Reset IC RESET 3 3VA Motor Driver IC TPIC2050 DMSO FOSO FMSO 2 TRSO TLSO MUTE1 2 TRAYPWM 12V 5V 3 3V 5V MD LOAD U V W SL1 2 TR TL FO CO_A CO_B OPU BD LD CD DVD LD INA INH RFO FG TRAYIN TRAYOUT Coaxial NAND 4G x 1 512MB WI FI Module AZ1117BH 12V A9P5V Play Sto...

Page 68: ... ERROR AMP IC103 SNUBBER BLOCK D101 C105 R130 DRIVE S W BLOCK IC101 D102 R102 R103 C108 C113 R104 ZD101 ZD102 Y CAP C110 FEED BACK BLOCK R124 R125 C128 R126 R127 R128 R129 RECTIFIER BLOCK D127 C124 L111 C129 RECTIFIER BLOCK D130 D126 C123 X h UX h FUSE F101 م م ᐱ ᐳ R101 ࣧ م م C104 ᐯ Y CAP C111 م ᐴ 2 SMPS BLOCK DIAGRAM ...

Page 69: ...3 56 MEMO ...

Page 70: ...YGzp lGGaGt CIRCUIT DIAGRAMS 1 SMPS TIMER CIRCUIT DIAGRAM WHEN SERVICING THIS CHASSIS UNDER NO CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT 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 OCCASIONA...

Page 71: ...3 60 3 59 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 DC DC EAX64623519_1 1 1 MAIN_SD 2014 10 06 2 MAIN DC DC CIRCUIT DIAGRAM ...

Page 72: ...3 62 3 61 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 WAVEFORM NUMBER MPEG EAX64623519_1 1 1 MAIN_SD 2014 10 06 3 MAIN MPEG CIRCUIT DIAGRAM ...

Page 73: ...3 64 3 63 2 3 5 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 WAVEFORM NUMBER MEMORY STRAP EAX64623519_1 1 1 MAIN_SD 2014 10 06 4 MAIN MEMORY STRAP CIRCUIT DIAGRAM ...

Page 74: ...3 66 3 65 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 END IM EAX64623519_1 1 1 MAIN_SD 2014 10 06 5 MAIN FRONT END CIRCUIT DIAGRAM ...

Page 75: ...3 68 3 67 9 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 7 6 WAVEFORM NUMBER A V OUTPUT EAX64623519_1 1 1 MAIN_SD 2014 10 06 6 MAIN A V OUTPUT CIRCUIT DIAGRAM ...

Page 76: ...out 3 304 3 305 3 307 2 Vin 5 136 5 120 5 134 IC502 KIA7029AT 1 Vin 3 303 3 306 3 307 3 Vot 3 300 3 303 3 303 IC152 LM37102D 2 Vin 14 742 13 428 12 974 3 Vout 0 12 059 12 138 IC603 NAND Toshiba 12 VCC 0 311 3 299 3 327 37 VCC 0 311 3 299 3 327 IC701 TPIC2050 3 P12V_3 12 059 12 132 24 A9P5V 9 595 9 535 42 P12V_1 12 059 12 132 46 P12V_2 12 059 12 132 56 P5V_2 5 104 5 110 IC702 AZ117BH 3 VIN 12 059 1...

Page 77: ...3 72 3 71 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...

Page 78: ...3 74 3 73 2 SMPS TIMER P C BOARD TOP VIEW BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Page 79: ...3 76 3 75 MEMO MEMO ...

Page 80: ... TO USE THE SA RESET FUNCTION 4 4 1 PURPOSE 4 4 2 REQUIRED SA RESET 4 4 3 SA RESET PROCEDURE 4 4 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 4 5 1 IC501 MT8560 4 5 2 IC701 TPIC2050 9CH MOTOR DRIVE WITH 3 BEAM LASER DIODE DRIVER 4 8 3 PICK UP CONNECTOR TERMINAL PIN ASSIGNMENTS 4 10 BLOCK DIAGRAM 4 11 ...

Page 81: ...ECK PROCEDURE 1 Power on the set then mode is in home menu 2 Press Setup 3 Under DISPLAY highlighted condition press 5 1 7 7 7 7 7 Enter on the remote controller to display special mode Move to the 1 Laser Check and click 4 Check result is shown automatically If you will see PASS BD DVD CD LD status is OK LD CHECK GUIDE ...

Page 82: ... 7 7 7 7 7 Enter on the remote controller to display special mode Move to 3 SA IOP Reset and click 1 PURPOSE In order to insert the new SA adjustment values it needs clearing SA initial values of the flash memory 2 REQUIRED SA RESET After changing traverse After changing main board assembly After changing main board flash IC 3 SA RESET PROCEDURE ...

Page 83: ...L disc Tray is opened automatically 5 If the disc is inserted you will see Wait 6 If SA Adjustment is finished you will see PASS and tray is opened automatically 7 Press stop key twice to escape this special mode Reference ...

Page 84: ... 3V LVTTL I O 5V tolerance 6 mA driving 75K pull up 3 3 V Eject stop key input active low The pin is spike free at power on stage Alternate function General IO R1 FEFG 3 3V LVTTL I O 5V tolerance 6 mA PDR 75K pull up 3 3 V Motor Hall sensor input The pin is spike free at power on stage N1 FEFMO Analog Output Feed motor 1 control DAC output N2 FEFMO2 Analog Output Feed motor 2 control DAC output N3...

Page 85: ...R6 FEGIO4 Analog Output Read gain switch 4 Alternate function 1 LCD serial interface command enable 2 LCD_DRV Sqare wave output for LCD control 3 Internal monitored signal output 4 General IO N5 FEGIO5 Analog Output Read gain switch 6 Alternate function 1 SIDM 2 LCD serial interface command enable 3 Internal monitored signal output 4 General IO N7 FEGIO6 Analog Output Read gain switch 6 The pin is...

Page 86: ...ng RF SUM Signal Negative G1 RFIP Analog Input Differential Input of AC Coupling RF SUM Signal Positive H1 RFIP2 Analog Input Differential Input of AC Coupling RF SUM Signal Positive J3 TLO Analog Output Tilt servo output T2 FETRAYIN_ 3 3V LVTTL I O 5V tolerance 6 mA 75K pull up 3 3 V Tray_is_in Input A Logical Low Indicates the Tray is IN Feed back Flag is from Tray Connector The pin is spike fre...

Page 87: ...D END detection STEP END detection DAC PWM DAC PWM DAC PWM DAC PWM DAC PWM DAC PWM DAC PWM P5V P5V P12V int 3 3V Regulator A5V P5V int 10V Regulator Analog 5V DAC P12V SLD ENA TLT ENA DIFF TLT TEMPMON_ENA TRK ENA STP ENA SPM ENA power monitor SIOV 200k 200k SIOV 33k 19V LOAD ENA F B F B F B F B F B SLD ENA TPIC2050 On chip thermometer pre driver power FET pre driver power FET pre driver power FET ...

Page 88: ...al 27 ILDD_CD OUT Laser diode for CD output terminal 28 CP5V MISC The capacitance connection terminal for control system power supply 0 1uF or lager decoupling capacitor should be connected 29 LOAD_P OUT Load positive output terminal 30 LOAD_N OUT Load negative output terminal 31 P5V12L PS The power supply terminal 5V or 12V for Load driver output stages 32 TEST2 MISC Test pin Should be open 33 TE...

Page 89: ...ub PD Mode Change 23 RF BD DVD CD RF 24 RF BD DVD CD RF 25 NC NC 26 SW1 Mode BD DVD CD Mode Change 27 VREF_PD 2 1V PDIC Reference 2 1V 28 VCC_PD 5V PDIC Power 5V 29 GND_PD PDIC GND 30 SW Gain BD DVD CD Gain Change 31 LD GND GND_LD LD Monitor Part 32 BD_LD LD Control BD 33 CD_LD LD Control CD 34 DVD_LD LD Control DVD 35 GND_LD LD Ground 36 TEMP Thermistor 37 NC NC 38 CD DVD_MPD Monitor output DVD C...

Page 90: ...1 BLOCK DIAGRAM OPU Ethernet 7 1 CH 2 CH S PDIF HDMI Component CVBS DVO Motor Driver USB NAND 1GB DDR3 256 384 MB Audio DAC MT8560 HD SD Decode 810 MHz ARM11 400 MHz Audio DSP x 3 HDMI 1 4 Ethernet Monitor ...

Page 91: ...4 12 MEMO ...

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