LG BPM35 Service Manual Download Page 1

Page: 1 / 83

NETWORK 3D BLU-RAY DISC / DVD PLAYER

SERVICE MANUAL

MODEL: BP

M55

CAUTION

BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.

MODEL: BP

M55

SERVICE MANUAL

P/NO :

AFN76993005

DECEMBER, 2014

Website http://biz.lgservice.com

Internal Use Only

Summary of Contents for BPM35

Page 1: ... DVDPLAYER SERVICE MANUAL MODEL BPM55 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL BPM55 SERVICE MANUAL P NO AFN76993005 DECEMBER 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 MT8563 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: ...MWARE 1 Insert 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 wkh l SJWFS 7FSTJPO 48 7FSTJPO OFX VQEBUF XBT GPVOE P ZPV XBOU UP VQEBUF 48 7FSTJPO 0 BODFM ...

Page 8: ...RMWARE UPDATE GUIDE 3 DURING UPDATING 1 Progressive bar is shown on the update time repeatedly 2 Tray is opened 4 AFTER UPDATE COMPLETE 1 Power off on automatically after update complete 2 Tray will be closed ...

Page 9: ...o 35 C 5 to 90 OUTPUTS HDMI OUT video audio 19 pin Type A HDMI Connector DIGITAL AUDIO OUT COAXIAL Option 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 Color TV system LAN port Option Ethernet jack x 1 10BASE T 100BASE TX Wireless LAN internal antenna Option Integrated IEEE 802 11b g n 2 4 GHz bands wireless networking access ...

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 BM16EA5 2 3 3 PACKING ACCESSORY SECTION 2 4 ...

Page 11: ...B C 462 262 263 261 261 261 264 A B C E MAIN BOARD 468 A46 283 284 250 462 285 260 TIMER BOARD 265 E CABLE1 468 267 A50 A44 D Wi Fi MODULE D CABLE2 266 A51 EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION ...

Page 12: ...1439 A001 1002 1001 1030 1043 A005 1016 1013 1015 1020 1439 1018 1019 1011 1012 1035 A006 1045 1026 1005 1003 1004 1049 1437 1025 1025 1024 1024 1437 2 DECK MECHANISM SECTION BM16EA5 ...

Page 13: ...803 Packing 803 Packing 804 Bag 802 Box 900 Remote Control 808 Battery 801 Instruction Ass y 833 AC Adapter 3 PACKING ACCESSORY SECTION ...

Page 14: ...CONNECTION ERROR OPTION PART 3 40 ELECTRICAL TROUBLESHOOTING GUIDE 3 41 1 POWER SUPPLY ON MAIN BOARD 3 41 2 SYSTEM PART 3 43 3 NO HDMI OUTPUT 3 45 WAVEFORMS OF MAJOR CHECK POINT 3 46 1 SYSTEM PART 1 3 46 2 SYSTEM PART 2 SYSTEM MEMORY 3 47 3 HDMI PART 3 48 WIRING DIAGRAMS 3 49 BLOCK DIAGRAM 3 50 CIRCUIT DIAGRAMS 3 51 1 MAIN DC DC CIRCUIT DIAGRAM 3 51 2 MAIN MPEG CIRCUIT DIAGRAM 3 53 3 MAIN MEMORY S...

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: ...r 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 connect the BD to another TV NO YES Have the customer connect the BD to an...

Page 21: ... 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 connect the BD to another TV NO YES Have the customer connect the BD to another TV in order to determine if the problem is the BD ...

Page 22: ...tch 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 connect the BD to another TV NO YES Have the customer connect the BD to another TV in order to determine if the problem is the BD or the TV Refer...

Page 23: ...le 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 connect the BD to another TV NO YES Have the customer connect the BD to another TV in order to determine if the problem is the BD or the ...

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: ...720i p 1080i or 1080p Is the customer using an HDMI to DVI cable NO YES Some movie companies will not allow their discs to upconvert past 480p If only one disc poses a problem then the issue is the disc The customer will need to try multiple discs Has the customer tried multiple discs NO One disc not upconverting means the disc may not upconvert Some movie companies will not allow their discs to u...

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: ...f JK806 L150 L155 C151 on main board 2 If it have 12 VA refer to the next page for checking another reason 3 If it was abnormal make sure the adapter connect to plug seat and check the plug seat whether have power 4 If plug seat have power and adapter connection is well 12 VA still haven t replace the adapter 1 1 3 Service hint Any picture Remark DC DC circuit JK806 L150 L155 and C151 Main board t...

Page 41: ...high check C165 L152 C169 R169 R170 R171 C174 C175 C176 C177 and there s no defective component replace IC150 4 If 5 1 VA is OK but 5 V from IC150 pin 28 is abnormal check C155 C156 R158 If there are high and no another defective component replace IC150 5 After changing it if the set is still not booting Check 1 2 V 3 3 V 3 3 VA is normal please refer to other sections of this guide Check Crystal ...

Page 42: ...boot up 3 1 IC153 No 3 3 VA 3 1 1 Solution Replace IC153 on main board 3 1 2 How to troubleshoot Countermeasure 1 Please check 5 1 VA of IC153 pin1 Vin 2 If 5 1 VA is abnormal refer to the solution 2 1 at the previous page 3 If 5 1 VA is OK but 3 3 VA is abnormal at the IC153 pin5 Vout replace IC153 3 1 3 Service hint Any picture Remark IC153 Main board top view IC 153 ...

Page 43: ... If there is no 5 1 VA back to the solution 2 3 If 5 1 VA input is normal first of all check the PWR_CTL is high Q501 pin2 If PWR_CTL is high check R172 L153 C179 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 2 V 1 5 V Check Crystal X501 refer to item 3 5 Check N...

Page 44: ... not boot up 3 3 IC152 No 1 5 V 3 3 1 Solution Replace IC152 on main board 3 3 2 How to troubleshoot Countermeasure 1 Check 1 5 V of IC152 pin4 2 If 1 5 V doesn t come out check IC152 pin3 3 3 V If there is no 3 3 V refer to previous page solution 3 2 3 If IC152 pin3 have 3 3 V replace IC152 3 3 3 Service hint Any picture Remark IC152 Main board top view IC 152 ...

Page 45: ...A If there is no 12 VA go to previous solution to check it 3 If 12 VA is OK check the PWR_CTL is high and if it s high check 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 V 3 3 V 3 3 VA is normal please refer to other sections of this guide Check Crystal X501 refer to item 3 5 Ch...

Page 46: ...How to troubleshoot 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 IC602 refer to item 3 6 Check DDR IC IC601 refer to item 3 7 Check MPEG IC IC501 refer to item 3 8 3 5 3 Service hint Any picture Rema...

Page 47: ...e IC602 on main board 3 6 2 How to troubleshoot Countermeasure 1 Please check physical status of IC602 on your eyes 2 Check the Vcc 3 3 V of IC602 and if it s normal please replace IC602 Please make sure IC602 has proper program 3 After changing it if the set is still not booting Check DDR IC IC601 refer to item 3 7 Check MPEG IC IC501 refer to item 3 8 3 6 3 Service hint Any picture Remark IC602 ...

Page 48: ...n board 3 7 2 How to troubleshoot Countermeasure 1 Please check 0 75 V of DDR3_VREF C606 R607 Please check 1 5 V of C613 2 If it doesn t work even though IC150 IC151 IC152 IC153 are no problem IC601 DDR memory could have problem 3 After changing it if the set is still not booting Check MPEG IC IC501 refer to item 3 8 Check main board refer to item 3 9 3 7 3 Service hint Any picture Remark IC601 C6...

Page 49: ... check 1 2 V of C505 C506 and C507 on main board Please check 3 3 V of C517 and C518 on main board Please check 1 5 V of C515 and C516 on main board 2 If it doesn t work even though IC150 IC151 are no problem IC501 MPEG IC 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 C505 C506 C507 C515 C516 C517 C518...

Page 50: ...Solution Replace main board 3 9 2 How to troubleshoot Countermeasure 1 Please remove IC501 and IC601 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 IC501 and IC601 Main board top view IC501 IC601 ...

Page 51: ...K802 HDMI Jack 4 1 1 Solution Replace JK802 HDMI Jack 4 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 4 1 3 Service hint Any picture Remark JK802 Main board top view JK802 Main board bottom view J...

Page 52: ...oard 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 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 MPEG IC IC501 Refer to item 3 8 5 1 ...

Page 53: ...ternet 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 Please check CN803 pin5 Wi Fi 5V 5 If there is no 5 V please check IC191 pin6 5 V 6 If IC191 pin abnormal check C191 C192 C193 R192 and there is no defective component replace IC191 7 After changing it if the set is still no connection replace Wi Fi...

Page 54: ...ES YES NO Is D150 output 5 1 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 1 VA on IC150 pin10 Check PWR_CTL2 signal from IC501 YES YES YES NO NO 1 POWER SUPPLY ON MAIN BOARD ...

Page 55: ... and replace Is the Vcc 12 VA supplied to IC150 pin13 Is there 3 3 V at IC150 pin15 Check 12 VA on JK806 Check PWR_CTL signal from IC501 YES YES YES NO NO No 1 5 V Check IC150 and replace Is the 3 3 V supplied to IC152 pin3 Check 3 3 V on IC151 pin3 YES YES NO ...

Page 56: ...51 IC152 IC153 and adapter Check IC150 pin9 LED is Turning On OK IC501 IC601 IC602 Vcc 1 2V 3 3VA 3 3V 1 5V OK 5 1 VA OK NO NO NO YES YES Check IC501 CN901 Replace X501 Replace Q901 LED Driver Signal LED OK X501 27 000 MHz OK Q901 OK NO NO NO YES YES YES YES 2A Replace IC501 MPEG IC Replace LED901 2B ...

Page 57: ...Replace X501 LG Logo display on monitor OK LG Logo display on monitor OK 2A IC501 Vcc 1 2VA 3 3VA 3 3V 1 5V OK Display cable connection OK X501 27 000 MHz OK NO NO NO NO NO YES YES YES YES YES Check IC152 pin4 Replace IC602 NAND flash Replace IC501 MPEG IC or IC601 IC601 Vcc 1 5 V OK Signal NF_ALE NF_CLE OK NO NO YES YES ...

Page 58: ...ut Check VCC 5 V from IC150 Check hot plug detect signal from TV Check IC501 MPEG IC Vcc or replace IC501 MPEG IC YES YES YES YES NO NO NO JK802 pin18 VCC 5 V OK JK802 pin19 HPD about 3 3 V OK Is there signal on pin1 3 4 6 7 9 10 12 HDMI output OK 3 NO HDMI OUTPUT ...

Page 59: ...3 46 WAVEFORMS OF MAJOR CHECK POINT 1 SYSTEM PART 1 IC501 X TAL 27 MHz 1 1 ...

Page 60: ...3 47 2 SYSTEM PART 2 SYSTEM MEMORY IC601 BA0 IC601 WE IC601 CAS IC601 CK 2 3 5 4 2 3 4 5 ...

Page 61: ...3 48 3 HDMI PART H_SDA H_SCL HDMI_CLK_N HDMI_0_N 9 8 7 6 6 7 8 9 ...

Page 62: ...3 49 45 Pins 5 Pins 9 Pins 15 Pins 5 Pins USB RC LAN HDMI COAXIAL JACK DC JACK LED FFC Hardness WIRING DIAGRAMS ...

Page 63: ...3 50 BLOCK DIAGRAM ...

Page 64: ...3 52 3 51 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 EAX65983001_Rev1 4 6 _MAIN 2014 11 10 CIRCUIT DIAGRAMS 1 MAIN DC DC CIRCUIT DIAGRAM ...

Page 65: ...3 54 3 53 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 MPEG EAX65983001_Rev1 4 6 _MAIN 2014 11 10 WAVEFORM NUMBER 2 MAIN MPEG CIRCUIT DIAGRAM ...

Page 66: ...3 56 3 55 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 MEMORY STRAP EAX65983001_Rev1 4 6 _MAIN 2014 11 10 WAVEFORM NUMBER 3 MAIN MEMORY STRAP CIRCUIT DIAGRAM ...

Page 67: ...3 58 3 57 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 EAX65983001_Rev1 4 6 _MAIN 2014 11 10 4 MAIN FRONT END CIRCUIT DIAGRAM ...

Page 68: ...3 60 3 59 9 8 7 6 WAVEFORM NUMBER 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 A V OUTPUT EAX65983001_Rev1 4 6 _MAIN 2014 11 10 5 MAIN A V OUTPUT CIRCUIT DIAGRAM ...

Page 69: ...3 62 3 61 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 TIMER EAX66110701_Rev1 5 7 _TIMER 2014 11 10 6 TIMER CIRCUIT DIAGRAM ...

Page 70: ...9 3 Vout 0 1 51 1 51 IC153 TLV71333DBVR 1 Vin 5 1 5 09 5 09 5 Vout 3 3 3 296 3 296 IC191 BD2242G 1 Vin 5 1 5 09 5 09 6 Vout 0 5 09 5 09 IC602 S34ML02G200TFI000 12 VCC 0 3 3 3 3 37 VCC 0 3 3 3 3 IC701 TPIC2050 3 P12V_3 12 3 12 2 12 16 24 A9P5 9 32 9 32 9 32 42 P12V_1 12 23 12 12 12 02 46 P12V_2 12 23 12 12 12 02 56 P5V_2 5 1 5 09 5 09 IC702 AZ1117BH ADJTRE1 3 Vin 12 24 12 11 12 11 4 Vout 9 32 9 32 ...

Page 71: ...3 66 3 65 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW 2 TIMER P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...

Page 72: ... 2 REQUIRED SA RESET 4 3 3 SA RESET PROCEDURE 4 3 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 4 5 1 MT8553 MT8563 PIN DESCRIPTION 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 MT8553 MT8563 FRONT END LOADER PART CONTENTS ...

Page 73: ...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 74: ... 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 75: ...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 76: ...V Motor Hall sensor input The pin is spike free at power on stage N2 FEFMO Analog Output Feed motor 1 control DAC output N3 FEFMO2 Analog Output Feed motor 2 control DAC output L5 FEFMO3 Analog I O Feed motor 3 control DAC output Alternative Function Auxiliary servo input L4 FEFMO4 Analog I O Feed motor 4 control DAC output Alternative Function Auxiliary servo input H3 FOO Analog Output Focus serv...

Page 77: ...function 1 LCD serial interface command enable 2 LCD_DRV Sqare wave output for LCD control 3 Internal monitored signal output 4 Line in input left right clock 5 General IO J1 FEGIO5 Analog Output Read gain switch 6 Alternate function 1 SIDM 2 LCD serial interface command enable 3 Internal monitored signal output 4 Line in input data 5 General IO K7 FEGIO6 Analog Output Read gain switch 6 The pin i...

Page 78: ...ntial Input of AC Coupling RF SUM Signal Negative G2 RFIP Analog Input Differential Input of AC Coupling RF SUM Signal Positive G3 TLO Analog Output Tilt servo output M1 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 free at power on stage Alternate function General IO L3 FE...

Page 79: ...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 80: ...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 81: ...b 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 GND_LD LD Ground 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...

Page 82: ...11 BLOCK DIAGRAM OPU Ethernet 5 1 CH 2 CH S PDIF HDMI CVBS Motor Driver USB NAND 1 GB DDR3 256 512 MB Audio DAC MT8553 MT8563 HD SD Decode 800 MHz Cortex A7 400 MHz Audio DSP x 3 HDMI 1 4 Ethernet Monitor ...

Page 83: ...4 12 ...

Search results

Summary of Contents for BPM35

Reviews:

Related manuals for BPM35

Brands by name

Popular brands

LG BPM35, Service Manual

Search results

Summary of Contents for BPM35

Reviews:

Related manuals for BPM35

Brands by name

Popular brands