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Internal Use Only Website http://biz.lgservice.com NETWORK 3D BLU-RAY DI S C / DVD PLAYER SERVICE MANUAL MODEL: BPM55 CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. P/NO : AFN76993005 DECEMBER, 2014...
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CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ..ELECTRICAL SECTION 4 ..MT8563 F/E LOADER PART SECTION 5 ..REPLACEMENT PARTS LIST...
When servicing this product, under no circumstances should the original design be modified or altered without permission from LG Corporation. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs.
SERVICING PRECAUTIONS CAUTION: Before servicing the BLU-RAY DISC / DVD PLAYER cov- Electrostatically Sensitive (ES) Devices ered by this service data and its supplements and addends, Some semiconductor (solid state) devices can be damaged read and follow the SAFETY PRECAUTIONS. easily by static electricity.
FIRMWARE UPDATE GUIDE 1. COPY AN UPDATE FILE TO A MEDIA (USB OR CD-ROM) Update File Name: LG_BD_8100M60.ROM 1) An update fi le have to be copied onto the root of fi le system. 2) USB and CD-ROM are able to use fi rmware update. <...
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FIRMWARE UPDATE GUIDE 2. UPDATE FIRMWARE 1) Insert USB or CD-ROM which has an update fi le. 2) OSD responds to the insertion event. 3) OSD is shown as below. < Firmware Update OSD > OSD contents:...
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FIRMWARE 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.
SPECIFICATIONS • GENERAL AC adapter Model: WA-12M12FU Manufacturer: Asian Power Devices Inc. Input: 120 V~, 50-60 Hz 0.5 A Max. Output: 12 V Dimensions (W x H x D) Approx. 270 mm x 43 mm x 195 mm (10.62 x 1.69 x 7.68 Inches) Net Weight (Approx.) 0.87 kg (1.92 lbs) Operating temperature...
3. PACKING ACCESSORY SECTION 801 Instruction Ass’y 808 Battery 900 Remote Control 833 AC Adapter 803 Packing 803 Packing 804 Bag 802 Box...
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SECTION 3 ELECTRICAL CONTENTS DIGITAL DISPLAY & MEDIA TRAINING MASTER ..................3-2 1. DISTORTED PICTURE ........................... 3-2 2. NO PICTURE ............................3-7 3. PICTURE COLOR ..........................3-12 4. NOISE/AUDIO PROBLEMS ........................3-14 5. MISCELLANEOUS ..........................3-17 6. BLU-RAY PLAYER ..........................3-26 ONE POINT REPAIR GUIDE ..........................
DIGITAL DISPLAY & MEDIA TRAINING MASTER Objective: To provide clear and concise guidelines for customer service agents to handle calls on box goods calls. 1. DISTORTED PICTURE 1-1. Lines on Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect What cables is the BD to the TV and if connected properly.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-2. Ghost Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-3. Rolling Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-4. Shaky Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 1-5. Blurry Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
DIGITAL DISPLAY & MEDIA TRAINING MASTER 2. NO PICTURE 2-1. Black Screen The entire screen is black. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-2. Blue Screen The entire screen is a solid blue color. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-3. Snowy Screen A snowy picture is when black and white dots are all over the screen. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-4. No Signal A “no signal” message appears on the screen of the display. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-5. Invalid Format or Format Not Supported Make sure the display is HDCP compliant when using a DVI or Is the display HDMI connection. A lack of HDCP compliancy on the display may HDCP compliant? cause an invalid format or format not supported message to appear.
DIGITAL DISPLAY & MEDIA TRAINING MASTER 3. PICTURE COLOR 3-1. No Color The video displays no color and only shows in black and white. Determine what cables the customer is using to connect the BD What cables is the customer to the TV and if connected properly.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 3-2. Poor Color The color is poor. Examples would be washed out colors, colors bleeding into one another, or a solid tint to a screen. Determine what cables the customer is using to connect the BD to What cables is the customer the TV and if connected properly.
DIGITAL DISPLAY & MEDIA TRAINING MASTER 4. NOISE/AUDIO PROBLEMS 4-1. No Audio The customer is not able to get audio. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 4-2. Distorted Audio The audio sounds muffled, scratchy, or the audio skips. Determine what cables the customer is using to connect the BD to the TV and if connected properly. Refer to OM for connections. What cables is the customer Tighten any loose cables.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 4-3. Humming/Clicking Noise The unit is making a humming noise or a clicking noise. BD’s make a slight hum when playing discs. Does the noise only A clicking noise or a noise interfering with audio may indicate a problem. happen when a disc Try multiple discs.
DIGITAL DISPLAY & MEDIA TRAINING MASTER 5. MISCELLANEOUS 5-1. No Power The unit will not turn on. Is the unit plugged in? Is the unit plugged in? Does the unit turn on See if the unit will turn on when the power button the unit is pressed. when the power button If the unit turns on, then troubleshoot the remote control using is pressed on the unit?
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-2. Disc Error The unit displays “disc error” when a disc is inserted into the BD player. Is the disc inserted into Make sure the disc has been inserted into the BD player properly. the BD player properly? The player can not read a disc inserted into the unit upside down.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-3. Unit Locks Up Unit does not respond to any commands. If the unit will turn on or off with the button on the unit, Does the unit respond to troubleshoot the remote control. Please refer to the buttons on the unit? Remote Control Not Working call flow.
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Please refer to the OM for instructions on how to program remote to TV. Customer wants to program a remote Does the customer want to other than Zenith or LG, the customer will need to contact program their remote? the manufacturer of the remote control. Codes do not work, remote is not compatible.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-6. Will Not Play Disc The unit will not play a disc when a disc is inserted into the player. Is the disc inserted into Make sure the disc has been inserted into the BD player properly. the BD player properly? The player can not read a disc inserted into the unit upside down.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-7. Disc Freezes or Skips The audio and video freeze and skip during play back of a BD or DVD disc. Is the disc inserted into Make sure the disc has been inserted into the BD player properly. the BD player properly? The player can not read a disc inserted into the unit upside down.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-8. Can Access Menu, but Not Play a Movie The disc menu is displayed but the disc will not play. Go into the system information screen of the BD player. To access this menu, bring up the main menu. Go to TV aspect, Check the system information highlight 16:9, press 1397139 and hit enter.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-10. Aspect Ratio The customer has bars on the top and bottom of the screen, the left and right of the screen, or both. A full screen movie played on a wide screen TV will have bars Is the movie on the left and right side of the TV.
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DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-11. My Unit Won’t be up-converted The customer has a problem with getting the unit to change resolutions to 480i/p, 720i/p, 1080i, or 1080p. Ask the customer to press stop to stop the disc from playing. Is the disc Ask the customer to press the resolution button to change the resolution.
DIGITAL DISPLAY & MEDIA TRAINING MASTER 6. BLU-RAY PLAYER 6-1. Slow Loading Times for BD’s When a customer switches from one disc to another, Why does it take so long the lens have to be changed what causes the delay. to load my BD’s? BLU-RAY require different lasers to read the discs.
ONE POINT REPAIR GUIDE 1. NO POWER PROBLEM No power problem occurs when you power on the unit. 1-1. Adapter 1-1-1. Solution Replace the adapter. 1-1-2. How to troubleshoot (Countermeasure) 1) Check the 12 VA of JK806/ L150/ L155/ C151 on main board. 2) If it have 12 VA, refer to the next page for checking another reason.
ONE POINT REPAIR GUIDE 2. LED DOESN’T LIGHT ON Timer board doesn’t work. 2-1. 5.1 VA abnormal 2-1-1. Solution Replace the IC150. 2-1-2. How to troubleshoot (Countermeasure) 1) Check the 5.1 VA of IC150 pin9 or pin10. 2) If 5.1 VA doesn’t come out, check the IC150 pin8 or pin13 (12 VA). If there is no 12 VA, check adapter (refer to 1-1-1 solution).
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ONE POINT REPAIR GUIDE 3. NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-1. IC153 (No 3.3 VA) 3-1-1. Solution Replace IC153 on main board.
ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-2. IC151 (No 3.3 V) 3-2-1. Solution Replace IC151 on main board.
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ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-3. IC152 (No 1.5 V) 3-3-1. Solution Replace IC152 on main board.
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ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-4. IC150 (No 1.2 V) 3-4-1. Solution Replace IC150 on main board.
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ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-5. X501 3-5-1. Solution Replace X501 on main board. 3-5-2.
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ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-6. IC602 (NAND FLASH MEMORY) 3-6-1. Solution Replace IC602 on main board.
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ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-7. IC601 (DDR3 MEMORY) 3-7-1. Solution Replace IC601 on main board. 3-7-2.
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ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-8. IC501 (MPEG IC) 3-8-1. Solution Replace IC501 on main board. 3-8-2.
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ONE POINT REPAIR GUIDE NO BOOTING WHEN YOU TURN THE UNIT ON When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor, and it will not boot-up. 3-9. Main board 3-9-1. Solution Replace main board. 3-9-2.
ONE POINT REPAIR GUIDE 4. BAD HDMI VIDEO / AUDIO OUTPUT When unit is connected to HDMI TV using HDMI cable, picture shows bad color, no output or mixed color on the screen. But component output is OK. 4-1. JK802 (HDMI Jack) 4-1-1.
ONE POINT REPAIR GUIDE 5. WIRED NETWORK CONNECTION ERROR - (OPTION PART) When you connect online service (like Youtube or Netflix2.1) through the wired LAN, the “no connection” message appears. 5-1. JK803 (Ethernet Jack) 5-1-1. Solution Replace JK803 (Ethernet Jack) on main board. 5-1-2.
ONE POINT REPAIR GUIDE 6. WIRELESS NETWORK CONNECTION ERROR - (OPTION PART) When you connect online service (like Youtube or Netflix2.1) through the Wi-Fi, the “no connection” message appears. 6-1. Wi-Fi Module 6-1-1. Solution Replace Wi-Fi module. 6-1-2. How to troubleshoot (Countermeasure) 1) Check you internet connection.
ELECTRICAL TROUBLESHOOTING GUIDE 1. POWER SUPPLY ON MAIN BOARD No 3.3 V Is the Check 5.1 VA on IC150 pin10. Vcc supplied to D150 anode? Check C178 or replace D150. Is D150 output 5.1 VA? Is there Check voltage on IC501. signal at IC151 pin1? Check IC151 and replace.
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ELECTRICAL TROUBLESHOOTING GUIDE No 1.5 V Is the Check 3.3 V on IC151 pin3. 3.3 V supplied to IC152 pin3? Check IC150 and replace. No 1.2 V Is the Check 12 VA on JK806. Vcc 12 VA supplied to IC150 pin13? Is there Check PWR_CTL signal from IC501.
ELECTRICAL TROUBLESHOOTING GUIDE 2. SYSTEM PART Power on IC501, LED is Check IC150, IC151, IC601, IC602 Vcc Turning On IC152, IC153 and adapter. 1.2V, 3.3VA, 3.3V, 1.5V X501 Replace X501. 27.000 MHz OK ? Replace Board Main IC501 MPEG IC. 5.1 VA Check IC150 pin9.
ELECTRICAL TROUBLESHOOTING GUIDE 3. NO HDMI OUTPUT No HMDI audio / video output JK802 pin18 Check VCC 5 V from IC150. VCC 5 V OK? Check hot plug detect JK802 pin19 HPD signal from TV. about 3.3 V OK? Check IC501 MPEG IC Vcc Is there signal on or replace IC501 MPEG IC.
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SECTION 4 MT8553/ MT8563 FRONT-END LOADER PART CONTENTS LD CHECK GUIDE ............................4-2 1. PURPOSE ..............................4-2 2. LD CHECK PROCEDURE ........................4-2 HOW TO USE THE SA RESET FUNCTION ..................4-3 1. PURPOSE ..............................4-3 2. REQUIRED SA RESET..........................4-3 3.
LD CHECK GUIDE 1. PURPOSE If LD (Laser Diode) have problem, disc reading problem can happen. So it is needed to check LD status. 2. LD CHECK PROCEDURE 1) Power on the set (then, mode is in home menu). 4 ) Check result is shown automatically. If you will see “PASS”, BD/DVD/CD LD status is OK.
HOW TO USE THE SA RESET FUNCTION 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.
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4) Insert BD-ROM SL disc. (Tray is opened automatically.) 5) If the disc is inserted, you will see “Wait...”. 6 ) If SA Adjustment is fi nished, you will see “PASS” and tray is opened automatically. 7) Press stop key twice to escape this special mode. Reference:...
MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 1. MT8553/ MT8563 PIN DESCRIPTION 1-1. Pin Function PIN NO. SYMBOL TYPE DESCRIPTION SERVO AUX1 Analog I/O Auxiliary Input. Alternateive Function : Signal Monitoring AVDD12 Analog Power(1.2V) Power Pin AVDD33_1 Analog Power(3.3V) Power Pin AVDD33_3 Analog Power(3.3V)
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PIN NO. SYMBOL TYPE DESCRIPTION PC RS232 serial receive data. The pin is spike-free at power-on stage. Alternate function : 3.3V LVTTL I/O, 1. High speed serial output port. (CLOCK) 5V-tolerance, 2. Internal monitored signal output FEGIO10 2, 4, 6, 8 mA PDR, 3.
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PIN NO. SYMBOL TYPE DESCRIPTION Analog Input Input of Main Beam Signal (D) Analog Input Input of Sub-Beam Signal (E) Analog Input Input of Sub-Beam Signal (F) Analog Input Input of Sub-Beam Signal (G) Analog Input Input of Sub-Beam Signal (H) Multiplexer Output 1 for Signal Monitoring.