LG BH4120SN Service Manual
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LG BH4120SN Service Manual

Blu-ray / dvd home cinema system
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Internal Use Only
Website http://biz.lgservice.com
Blu-ray
/ DVD
TM
Home Cinema System
SERVICE MANUAL
MODEL: BH4120SN
(BH4120SN, S42S2-S, S42S1-W)
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"
IN THIS MANUAL.
P/NO : AFN75673460
FEBRUARY, 2012

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  • Page 1 Internal Use Only Website http://biz.lgservice.com Blu-ray / DVD Home Cinema System SERVICE MANUAL MODEL: BH4120SN (BH4120SN, S42S2-S, S42S1-W) CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. P/NO : AFN75673460 FEBRUARY, 2012...
  • Page 2 CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..ELECTRICAL SECTION 3 ..CABINET & MAIN CHASSIS SECTION 4 ..MT8560 F/E LOADER PART SECTION 5 ..REPLACEMENT PARTS LIST...

  • Page 3: Table Of Contents

    SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR BD-HTS PRODUCTS ..........1-3 SERVICING PRECAUTIONS .......................... 1-4 • GENERAL SERVICING PRECAUTIONS • INSULATION CHECKING PRODEDURE • ELECTROSTATICALLY SENSITIVE (ES) DEVICES HIDDEN KEY MODE ............................1-5 SOFTWARE UPGRADE ..........................1-6 SPECIFICATIONS ............................1-7...

  • Page 4: Product Safety Servicing Guidelines For Bd-Hts Products

    When servicing this product, under no circumstances should the original design be modified or altered without permission from LG Corporation. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs.

  • Page 5: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing the BD-HTS covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and addends, read and Some semiconductor (solid state) devices can be damaged follow the SAFETY PRECAUTIONS. NOTE: if unforeseen easily by static electricity. Such components commonly are circumstances create conflict between the following servicing called Electrostatically Sensitive (ES) Devices.

  • Page 6: Hidden Key Mode

    HIDDEN KEY MODE AVAILABLE HIDDEN MODE ENTRANCE KEY EXIT KEY DISPLAY STATUS PAUSE or HOME SYSTEM DISPLAY SYSTEM DISC||OPEN)&& 1+3+9+7+1+3+9+ ※ 'Pause' Key INFORMATION INFORMATION (Highlight on 16:9 ENTER or MP2 FACTORY RESET (KEY, VERSION) Full of setup menu) 1. PLATFORM INFORMATION 2.

  • Page 7: Software Upgrade

    SOFTWARE UPGRADE • Burn a DVD recordable disc or USB with a fi le that is named to “LG_HB_7000M51.ROM”. • Insert a upgrading disc or USB. • Show help message for disc upgrade as follows. Press Enter key to upgrade Press Enter key to upgrade and it will show progress information After completing upgrade then power is off.

  • Page 8: Specifications

    SPECIFICATIONS • GENERAL Power requirements Refer to main label on the side panel. Power consumption Refer to main label on the side panel. Dimensions (W x H x D) Approx. 360 x 60.5 x 304 mm Net Weight (Approx.) 2.5 kg Operating temperature 5 °C to 35 °C (41 °F to 95 °F) Operating humidity...
  • Page 9 • SPEAKERS Front speaker (Left/ Right) Type 1 Way 1 speaker Impedance Rated 3 Ω Input Power 42 W Max. Input power 84 W Net Dimensions (W x H x D) 92.5 x 115 x 79 mm Net Weight 0.39 kg Rear speaker (Left/ Right) Type 1 Way 1 speaker...
  • Page 10 SECTION 2 ELECTRICAL CONTENTS DIGITAL DISPLAY & WIRING DIAGRAM ..........2-53 MEDIA TRAINING MASTER ........ 2-2 1. DISTORTED PICTURE ........2-2 BLOCK DIAGRAM ..........2-55 2. NO PICTURE ............ 2-7 3. PICTURE COLOR ........... 2-12 CIRCUIT DIAGRAMS ......... 2-57 4. NOISE/AUDIO PROBLEMS ......2-14 1.

  • Page 11: Digital Display & Media Training Master

    DIGITAL DISPLAY & MEDIA TRAINING MASTER Objective: To provide clear and concise guidelines for customer service agents to handle calls on box goods calls. 1. DISTORTED PICTURE 1-1. Lines on Picture Distorted picture refers to the customer getting video, but there is a problem with the video. Determine what cables the customer is using to connect the BD to the TV and if connected properly.
  • Page 12 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. Tighten any loose What cables is the customer cables.
  • Page 13 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. Tighten any loose What cables is the customer cables.
  • Page 14 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. Tighten any loose What cables is the customer cables.
  • Page 15 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. Tighten any loose What cables is the customer cables.

  • Page 16: Picture

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 2. NO PICTURE 2-1. Black Screen The entire screen is black. Make sure the customer did not select 480i resolution in the menu of BD- Does the BD on-screen menu HTS if using HDMI connections. Change resolution on upconversion BD- appear? HTS by pushing the resolution button of the remote controller.
  • Page 17 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-2. Blue Screen The entire screen is a solid blue color. Make sure the customer did not select 480i resolution in the menu of BD- Does the BD on-screen menu HTS if using HDMI connections. Change resolution on upconversion BD- appear? HTS by pushing the resolution button of the remote controller.
  • Page 18 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-3. Snowy Screen A snowy picture is when black and white dots are all over the screen. Make sure the customer did not select 480i resolution in the menu of BD- Does the BD on-screen menu HTS if using HDMI connections.
  • Page 19 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-4. No Signal A “no signal” message appears on the screen of the display. Make sure the customer did not select 480i resolution in the menu of BD- Does the BD on-screen menu HTS if using HDMI connections. Change resolution on upconversion BD- appear? HTS by pushing the resolution button of the remote controller.
  • Page 20 DIGITAL DISPLAY & MEDIA TRAINING MASTER 2-5. Invalid Format or Format Not Supported Customer’s using an DVI, or HDMI cable connection need to set the Is the customer using a digital resolution on the product above 480i. HDMI, DVI connections can not cable connection? process a 480i resolution.

  • Page 21: Picture Color

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 3. PICTURE COLOR 3-1. No Color The video displays no color and only shows in black and white. Determine what cables the customer is using to connect the BD to the What cables is the customer TV and if connected properly.
  • Page 22 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 the What cables is the customer TV and if connected properly.

  • Page 23: Noise/Audio Problems

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 4. NOISE/AUDIO PROBLEMS 4-1. No Audio The customer is not able to get audio. Determine what cables the customer is using to connect the BD to the TV What cables is the customer and if connected properly. Refer to OM for connections. Tighten any loose using to connect the BD? cables.
  • Page 24 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 What cables is the customer and if connected properly. Refer to OM for connections. Tighten any loose using to connect the DVD? cables.
  • Page 25 DIGITAL DISPLAY & MEDIA TRAINING MASTER 4-3. Humming/Clicking Noise The unit is making a humming noise or a clicking noise. BDs make a slight hum when playing discs. A clicking noise or a noise Does the noise only happen interfering with audio may indicate a problem. Try multiple discs. when a disc is playing? Multiple discs with the same issue means the BD may need service or be professionally cleaned.

  • Page 26: Miscellaneous

    DIGITAL DISPLAY & MEDIA TRAINING MASTER 5. MISCELLANEOUS 5-1. No Power The unit will not turn on. Is the unit plugged in? Make sure the unit is plugged into a surge protector or the wall. Does the unit turn on when the See if the unit will turn on when the power button the unit is pressed.
  • Page 27 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-2. Disc Error The unit displays “disc error” when a disc is inserted into BD-HTS. Is the disc inserted into BD-HTS Make sure the disc has been inserted into BD-HTS properly. properly? BD-HTS can not read a disc inserted into the unit upside down. Determine the type of disc the customer is not able to play.
  • Page 28 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-3. Unit Locks Up Unit does not respond to any commands. Does the unit respond to the If the unit will turn on or off with the button on the unit, troubleshoot the buttons on the unit? remote control.
  • Page 29 Please refer to the OM for instructions on how to program remote to TV. Does the customer want to Customer wants to program a remote other than Zenith or LG, program their remote? the customer will need to contact the manufacturer of the remote control.
  • Page 30 DIGITAL DISPLAY & MEDIA TRAINING MASTER 5-6. Will Not Play Disc The unit will not play a disc when a disc is inserted into BD-HTS. Is the disc inserted into BD-HTS Make sure the disc has been inserted into BD-HTS properly. properly? BD-HTS can not read a disc inserted into the unit upside down.
  • Page 31 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 BD-HTS Make sure the disc has been inserted into BD-HTS properly. properly? BD-HTS can not read a disc inserted into the unit upside down.
  • Page 32 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 BD-HTS. To access this menu, Check the system information bring up the main menu.
  • Page 33 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 on the left Is the movie wide screen or full and right side of the TV.
  • Page 34 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 currently playing? Ask the customer to press the resolution button to change the resolution.

  • Page 35: Bd-Hts

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

  • Page 36: One Point Repair Guide

    ONE POINT REPAIR GUIDE 1. NO POWER PROBLEM No power problem occurs when you power on the unit. 1-1. Fuse & Bridge diode 1-1-1. Solution Replace F901, BD901 on SMPS board. 1-1-2. How to troubleshoot (Countermeasure) 1) Look at the physical of fuse F901. 2) Check the bridge diode BD901 1-1-3.
  • Page 37 ONE POINT REPAIR GUIDE 1. NO POWER PROBLEM No power problem occurs when you power on the unit. 1-2. VFD, 14 VA, 6 VA, 3.8 VA 1-2-1. Solution Replace D918, D953, D952, D951, D950, IC902. 1-2-2. How to troubleshoot (Countermeasure) Case 1) FLD abnormal: Check D950, D951, ZD950, ZD951, FR950 and replace it.

  • Page 38: Booting When You Turn The Unit On, No Message Or "Please Wait"On Front Panel

    ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 39 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 40 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 41 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 42 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 43 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 44 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 45 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.
  • Page 46 ONE POINT REPAIR GUIDE 2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR “PLEASE WAIT” ON FRONT PANEL When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel, and it will not boot-up.

  • Page 47: Bad Hdmi Video / Audio Output

    ONE POINT REPAIR GUIDE 3. 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. 3-1. JK803 (HDMI JACK) 3-1-1.

  • Page 48: Speaker Output

    ONE POINT REPAIR GUIDE 4. NO SPEAKER OUTPUT When unit is connected to Speaker using speaker cable, no speaker output. 4-1. AMP BOARD 4-1-1. Solution Replace AMP board. 4-1-2. How to troubleshoot (Countermeasure) 1) Check voltage at CN601. - If 36 V,14 VA, 3.8 VA voltage doesn’t come out, re-soldering pin CN601. 2) Check voltage at IC700, IC701.

  • Page 49: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1. SYSTEM POWER SUPPLY ON SMPS BOARD No 3.8 VA. Is F901 normal? Replace F901. (same fuse) Is TH901 normal? Replace TH901. Is BD901 normal? Replace BD901. Is the VCC (11 V ~ 25 V) supplied to IC902 pin5? Is D918 normal? Power Line of MAIN PCB is short.

  • Page 50: Amp Power Supply On Smps Board

    ELECTRICAL TROUBLESHOOTING GUIDE No 14 VA. Is F901 normal? Replace F901. (same fuse) Is TH901 normal? Replace TH901. Is BD901 normal? Replace BD901. Is the VCC (11 V ~ 25 V) supplied to IC901 pin5? Is D953 normal? Power Line of MAIN PCB is short. Check or replace D953.

  • Page 51: Power Supply On Main Board

    ELECTRICAL TROUBLESHOOTING GUIDE 3. POWER SUPPLY ON MAIN BOARD No 3.3 V. Is the VCC 3.8 VA supplied to IC151 pin3? Check 3.8 VA on SMPS Board. Is there ‘H’ signal at IC153 pin2? Check IC101 pin58 (DCDC33_CTRL). Check IC151 and replace. No 5 V.

  • Page 52: System Part

    3.3V, FL(+), FL(-) OK? SMPS board. VFD_STB, VFD_CLK, Check IC101 and CN305. VFD_RX OK? Check DIS301. TIMER BOARD “LG Logo” IC501 VCC 1.2 V, 1.5 V, Check IC155, IC150, IC151 Display on monitor OK? 3.3 V OK? and SMPS board. X501 Replace X501.

  • Page 53: Cvbs Video Output

    ELECTRICAL TROUBLESHOOTING GUIDE 5. NO CVBS VIDEO OUTPUT No CVBS video on Display. Is there CVBS signal on L2V1? Check IC501’s VCC or replace IC501. Check JK251 and RCA cable connection. 6. NO AUDIO OUTPUT BD/CD/DVD disc or USB play. CN401 pin11, 12, 15 Check IC501’s I2S output trace.
  • Page 54 ELECTRICAL TROUBLESHOOTING GUIDE Portable function. CN251 pin4, 6 audio L/R OK? Check CN251 and JACK PCB. IC200 pin43, 42, 41 signal OK? Check IC200 or replace. Tuner function. TUN01 pin1, 2, 3, 4 signal OK? Check IC101 or replace. TUN01 pin7, 8 audio L/R OK? Check TUN01 or replace.

  • Page 55: Hdmi Output

    ELECTRICAL TROUBLESHOOTING GUIDE 7. NO HDMI OUTPUT No HDMI audio / video output. JK803’s status OK? Replace JK803. JK803 pin18 VCC 5 V OK? Check L803 and VCC 5 V line. JK803 pin19 HPD about 3.3 V OK? Check hot plug detect signal from TV. Is there signal on R841, R842? Check I2C trace from IC501.

  • Page 56: Waveforms

    WAVEFORMS 1. SYSTEM PART - 1 IC501 MT8560 X-TAL 27 MHz 2-47...

  • Page 57: System Part - 2 (System Memory)

    WAVEFORMS 2. SYSTEM PART - 2 (SYSTEM MEMORY) IC501 MT8560 BA0 IC501 MT8560 WE# IC501 MT8560 CAS# IC501 MT8560 CK 2-48...

  • Page 58: Video Part (100 % Full Color - Bar)

    WAVEFORMS 3. VIDEO PART (100 % FULL COLOR - BAR) CVBS 4. AUDIO PART (I2S) 2-49...

  • Page 59: Hdmi Part

    WAVEFORMS 5. HDMI PART H_SDA H_SCL 2-50...
  • Page 60 WAVEFORMS HDMI_CLK_N HDMI_0_N JK803 2-51...
  • Page 61 2-52...

  • Page 62: Wiring Diagram

    WIRING DIAGRAM 24 PIN SMD ST 1mm CN401 CN600 CN701 45 PIN SMD ST 0.5 mm (FR-4 EPOXY 2LAYER) CN703 8 PIN SMD ST 1 mm MAIN 14 PIN SMD ST (FR-4 EPOXY 4LAYER) (2mm) 8 PIN DIP ST (Male) 5 PIN SMD ST 1 mm CN150 CN704...

  • Page 63: Block Diagram

    BLOCK DIAGRAM 2ch ADC (CS5346) 19.2 MHz Portable I2S 2ch (D3) Tuner TAS5612L PS9855 TAS5612L 27 MHz EEPROM MICOM UART USBx1 1100W:1165 MT8551 D+, D-, 5 V 300W: 1164 NEC 100P 1.2/1.5/3.3V CVBS 20 MHz TMDS Pickup RF,A,B,C,D,E,F 45P/ FFC 5P:SLOT, 4P: TRAY 8P:MOTOR TACT...

  • Page 64: Circuit Diagrams

    MODIFIED OR ALTERED WITH OUT PERMISSION FROM LATEST SAFETY PERFORMANCE mode. THE LG CORPORATION. ALL COMPONENTS SHOULD BE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED REPLACED ONLY WITH TYPES IDENTICAL TO THOSE UNTIL THE NEW SERVICE LITERATURE IS PRINTED. FLD No Power...

  • Page 65: Main - Cpu Circuit Diagram

    2. MAIN - CPU CIRCUIT DIAGRAM EAX64508371(#2), REV1.0(0) WAVEFORM 2011. 12. 27 2-59 2-60...

  • Page 66: Main - Memory Circuit Diagram

    3. MAIN - MEMORY CIRCUIT DIAGRAM MEMORY EAX64508371(#3), REV1.0(0) 2011. 12. 27 2-61 2-62...

  • Page 67: Main - Loader Circuit Diagram

    4. MAIN - LOADER CIRCUIT DIAGRAM LOADER EAX64508371(#4), REV1.0(0) 2011. 12. 27 2-63 2-64...

  • Page 68: Main - Micom Circuit Diagram

    5. MAIN - MICOM CIRCUIT DIAGRAM MICOM EAX64508371(#5), REV1.0(0) 2011. 12. 27 2-65 2-66...

  • Page 69: Main - Hdmi Circuit Diagram

    6. MAIN - HDMI CIRCUIT DIAGRAM HDMI EAX64508371(#6), REV1.0(0) WAVEFORM 2011. 12. 27 2-67 2-68...

  • Page 70: Main - Adc/Dir Circuit Diagram

    7. MAIN - ADC/DIR CIRCUIT DIAGRAM ADC+DIR EAX64508371(#7), REV1.0(0) WAVEFORM 2011. 12. 27 2-69 2-70...

  • Page 71: Main - Dsp Circuit Diagram

    8. MAIN - DSP CIRCUIT DIAGRAM EAX64508371(#8), REV1.0(0) 2011. 12. 27 2-71 2-72...

  • Page 72: Main - Power Circuit Diagram

    9. MAIN - POWER CIRCUIT DIAGRAM POWER EAX64508371(#9), REV1.0(0) 2011. 12. 27 2-73 2-74...

  • Page 73: Main - I/O Circuit Diagram

    10. MAIN - I/O CIRCUIT DIAGRAM EAX64508371(#10), REV1.0(0) WAVEFORM 2011. 12. 27 2-75 2-76...

  • Page 74: Pwm & Amp Circuit Diagram

    11. PWM & AMP CIRCUIT DIAGRAM PWM/AMP EAX64603202(#1), REV1.0(0) 2012. 01. 10 2-77 2-78...

  • Page 75: Jack Circuit Diagram

    12. JACK CIRCUIT DIAGRAM JACK - USB & PTB EAX64562101, Rev1.1(1) 2011. 12. 27 2-79 2-80...

  • Page 76: Front Circuit Diagram

    13. FRONT CIRCUIT DIAGRAM FRONT EAX64672601, REV1.4(4) 2012. 01. 10 2-81 2-82...

  • Page 77: Circuit Voltage Chart

    CIRCUIT VOLTAGE CHART Pin No. Desc. Voltage EE Mode Pin No. Desc. Voltage EE Mode D101 SDB0540 (TOP) IC200 - CS5346 (TOP) Anode 3.73 3.279 Cathode 3.416 4.99 IC101 UPD78F11645 (TOP) 3.28 EVDD1 3.43 3.278 AVREF1 3.43 IC201 - CS8422 (TOP) AVREF0 3.43 3.324...

  • Page 78: Printed Circuit Board Diagrams

    PRINTED CIRCUIT BOARD DIAGRAMS 1. SMPS P. C. BOARD (TOP VIEW) (BOTTOM VIEW) NOTES) Warning NOTES) Warning NOTES) Parts that are shaded are critical NOTES) Parts that are shaded are critical NOTES) with respect to risk of fire or NOTES) with respect to risk of fire or NOTES) electricial shock.

  • Page 79: Main P. C. Board

    2. MAIN P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 2-87 2-88...

  • Page 80: Amp P.c.board

    3. AMP P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 2-89 2-90...

  • Page 81: Jack P. C. Board

    4. JACK P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 5. FRONT P. C. BOARD (TOP VIEW) (BOTTOM VIEW) 2-91 2-92...
  • Page 82 SECTION 3 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ............................3-3 1. CABINET AND MAIN FRAME SECTION ....................3-3 2. DECK MECHANISM SECTION (BM15T1.IM11) ..................3-5 3. PACKING ACCESSORY SECTION ......................3-7 4. SPEAKER SECTION ..........................3-8 4-1. FRONT / CENTER / REAR SPEAKER ..................... 3-8 4-2.

  • Page 84: Exploded Views

    EXPLODED VIEWS 1. CABINET AND MAIN FRAME SECTION CABLE3 CABLE2 MAIN JACK CABLE1 CN901 SMPS...

  • Page 85: Deck Mechanism Section (Bm15T1.Im11)

    2. DECK MECHANISM SECTION (BM15T1.IM11) 1439 A001 1002 1005 1001 1003 1004 1026 1030 1437 1025 1035 1012 1437 1024 1025 1016 1013 1015 1049 1020 1024 1011 1050 A006 1019 1043 1018 1045 A005 1439...

  • Page 86: Packing Accessory Section

    3. PACKING ACCESSORY SECTION 801 Owner’s manual 808 Battery 825 FM antenna 811 Video cable 832 CD title 900 Remote control 804 Bag 803 Packing 803 Packing 802 Box, Master...

  • Page 87: Speaker Section

    4. SPEAKER SECTION 4-1. FRONT / CENTER / REAR SPEAKER A800 Front SPK A700 Center SPK A600 Rear SPK...

  • Page 88: Passive Subwoofer

    4-2. PASSIVE SUBWOOFER A900...
  • Page 90 SECTION 4 MT8560 F/E LOADER PART CONTENTS ONE POINT REPAIR GUIDE ........................4-2 1. “ALL BD DISC” READING ERROR ......................4-2 2. “ALL DVD DISC” READING ERROR......................4-3 3. “ALL CD DISC” READING ERROR ......................4-4 HOW TO USE THE SA RESET FUNCTION ..................

  • Page 91: One Point Repair Guide

    ONE POINT REPAIR GUIDE 1. "ALL BD DISC" READING ERROR - All BD disc did not recognized, but DVD and CD are recognized normally. - If LD output current’s level is abnormal, set can not recognize BD disc. 1-1. Component 1) MD (Traverse Assembly) 2) IC701 (TPIC2050), CN703 1-2.

  • Page 92: All Dvd Disc" Reading Error

    ONE POINT REPAIR GUIDE 2. "ALL DVD DISC" READING ERROR - All DVD disc did not recognized, but BD and CD are recognized normally. - If LD output current’s level is abnormal, set can not recognize DVD disc. 2-1. Component 1) MD (Traverse Assembly) 2) IC701 (TPIC2050), CN703 2-2.

  • Page 93: All Cd Disc" Reading Error

    ONE POINT REPAIR GUIDE 3. "ALL CD DISC" READING ERROR - All CD disc did not recognized, but BD and DVD are recognized normally. - If LD output current’s level is abnormal, set can not recognize CD disc. 3-1. Component 1) MD (Traverse Assembly) 2) IC701 (TPIC2050), CN703 3-2.

  • Page 94: How To Use The Sa Reset Function

    HOW TO USE THE SA RESET FUNCTION 1. PURPOSE In order to insert the new SA adjustment values, it need 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.
  • Page 95 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, tray is opened auto- matically. 7) Press stop key twice to escape this special mode. Reference:...

  • Page 96: Major Ic Internal Block Diagram And Pin Description

    MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 1. IC501 (MT8560) 1-1. Pin Function PIN NO. SYMBOL TYPE DESCRIPTION AGND33_1 Analog Ground Analog Ground AGND33_2 Analog Ground Analog Ground AGND33_3 Analog Ground Analog Ground AGND12_1 Analog Ground Analog Ground AGND12_2 Analog Ground Analog Ground AUX1...
  • Page 97 PIN NO. SYMBOL TYPE DESCRIPTION LDD serial interface CLK. 3.3V LVTTL I/O, The pin is spike-free at power-on stage. 5V-tolerance, The pin is not allowed to pull-up in circuit layout. FEGIO1 2, 4, 6, 8 mA PDR, Alternate function : 75K pull-down (0 V) 1.
  • Page 98 PIN NO. SYMBOL TYPE DESCRIPTION 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. The pin is not allowed to pull-up in circuit layout. MPXOUT1 Analog Output Alternate function : Internal monitored signal output / General...

  • Page 99: Ic701 (Tpic2050): 9Ch Motor Drive With 3 Beam Laser Diode Driver

    2. IC701 (TPIC2050) : 9ch motor drive with 3 beam laser diode driver 2-1. Block Diagram P12V P12V 0.1u 0.1u ICOM1 ICOM2 Charge XSLEEP  pump SIOV 0.1 . Current limit ISENSE XSLEEP MCOM SPM Logic BEMF On chip SPM̲ENA  DAC PWM detector thermometer SIOV TEMPMON_ENA pre-...
  • Page 100 2-2. Pin Function Name Description SLED1_P Sled1 positive output terminal SLED1_N Sled1 negative output terminal P12V_3 Power supply terminal for 12V drivers output SLED2_P Sled2 positive output terminal SLED2_N Sled2 negative output terminal PGND_2 GND terminal for 12V drivers C10V MISC The capacitance connection terminal for internal regulator MISC...

  • Page 101: Pick-Up Connector Terminal Pin Assignments

    3. PICK-UP CONNECTOR TERMINAL PIN ASSIGNMENTS PIN NO. PIN NAME FUNCTION BLOCK Outer Focus (+) Outer Focus (-) Tracking (+) Actuator Inner Focus (+) Tracking (-) Inner Focus (-) MOTOR_A- Step Motor A- MOTOR_B- Step Motor B- MOTOR MOTOR_A+ Step Motor A+ MOTOR_B+ Step Motor B+ Servo Signal Part...

  • Page 102: Block Diagram

    BLOCK DIAGRAM NAND DDR3 256/ 384 MB 7.1 CH Audio 2 CH MT8560 S/PDIF Motor Driver HD+SD Decode HDMI 810 MHz ARM11 400 MHz Audio DSP x 3 Ethernet Component Monitor HDMI 1.4 CVBS Ethernet 4-13...
  • Page 103 MEMO 4-14...

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