LG BD530 Service Manual Download Page 69

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No HMDI audio / video output

Check L806 and

Vcc 5.3 VA from SMPS.

Check hot plug detect

signal from TV.

Check

IC501 MT8550L BAG Vcc or

replace IC501 MT8550L BAG.

YES

JK803 pin18

Vcc 5.3 VA OK?

JK803 pin19 HPD

about 3.3 V OK?

Is there signal

on RN801?

HDMI output OK.

8. NO HDMI OUTPUT

3-54

ELECTRICAL TROUBLESHOOTING GUIDE

Summary of Contents for BD530

Page 1: ...PLAYER SERVICE MANUAL MODEL BD530 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL BD530 SERVICE MANUAL P NO AFN75111904 AUGUST 2010 Website http biz lgservice com Internal Use Only ...

Page 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MT8550L F E LOADER PART SECTION 5 REPLACEMENT PARTS LIST 1 1 ...

Page 3: ... GUIDELINES FOR BLU RAY DISC PLAYER PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES FIRMWARE UPDATE GUIDE 1 5 EMERGENCY TRAY OPEN METHOD 1 8 SPECIFICATIONS 1 9 1 2 ...

Page 4: ...ed 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 should touch a high current device or a resistor rated at 1 watt or more Lead t...

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

Page 6: ...IDE 1 COPY AN UPDATE FILE TO A MEDIA USB OR CD ROM Update File Name LG_BD_5200M50 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: ...r 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 UPDATE SJWFS 7FSTJPO 48 7FSTJPO FSF BO VQHSBEF GJMF IBT CFFO GPVOE 4UBSU VQHSBEF XJUI WFSTJPO 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: ...1 8 If you push in the direction of the arrow like figure the tray can be opened manually EMERGENCY TRAY OPEN METHOD Figure 1 Deck Mechanism BM10 ...

Page 10: ...ideo audio 19pin HDMI standard type A version 1 3 ANALOG AUDIO OUT 2 0 Vrms 1 kHz 0 dB 600 Ω RCA jack L R x 1 DIGITAL OUT coaxial 0 5 V p p 75 Ω RCA jack x 1 SYSTEM Laser Semiconductor laser Wavelength 405 nm 655nm 790nm Signal system Standard NTSC color TV system Frequency response 20 Hz to 20 kHz Signal to noise ratio More than 90 dB ANALOG OUT connectors only Harmonic distortion Less than 0 02 ...

Page 11: ...MEMO 1 10 ...

Page 12: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 CABINET AND MAIN FRAME SECTION 2 2 2 DECK MECHANISM SECTION BM10A LG06 2 3 3 PACKING ACCESSORY SECTION 2 4 2 1 ...

Page 13: ...D C B A D C B A E A44 A47 283 468 462 250 468 A46 465 261 260 320 261 470 A43A 1 CABINET AND MAIN FRAME SECTION 2 2 EXPLODED VIEWS 300 ...

Page 14: ...2 DECK MECHANISM SECTION BM10A LG06 2 3 1019 1005 1004 1003 A001 1433 1012 1015 1013 1016 1002 1018 1431 1437 1049 1026 1025 1025 1030 1437 1437 1024 1020 1439 1043 1045 A005 ...

Page 15: ...3 PACKING ACCESSORY SECTION 808 Battery 812 Plug Ass y 2way 803 Packing 900 Remote Control 801 Instruction Ass y 803 Packing 804 Bag 802 Box 2 4 811 Plug Ass y 1way ...

Page 16: ...NENT YPbPr RGB 3 51 6 NO COAXIAL AUDIO OUTPUT 3 52 7 NO ANALOG AUDIO L R OUTPUT 3 53 8 NO HDMI OUTPUT 3 54 WAVEFORMS 3 55 1 SYSTEM PART 1 3 55 2 SYSTEM PART 2 SYSTEM MEMORY 3 56 3 VIDEO PART 100 FULL COLOR BAR 3 57 4 AUDIO PART S PDIF 3 58 5 HDMI PART 3 59 WIRING DIAGRAM 3 61 BLOCK DIAGRAMS 3 63 1 OVERALL BLOCK DIAGRAM 3 63 2 SMPS BLOCK DIAGRAM 3 64 3 POWER SIGNAL BLOCK DIAGRAM 3 65 4 SYSTEM BLOCK...

Page 17: ...oblem 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 Recommend the customer use a lens clean...

Page 18: ...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 another TV and play a disc No ghosting during di...

Page 19: ...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 another TV and play a disc No lines during dis...

Page 20: ...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 another TV and play a disc No shaking during di...

Page 21: ...ler 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 another TV and play a disc No blurriness d...

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

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

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

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

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

Page 27: ... 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 used or the TV itself Does color appear whe...

Page 28: ...S 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 and play a disc Good color during disc play b...

Page 29: ...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 occur when BD is connected to another TV NO YE...

Page 30: ...r 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 BD is connected to another TV indicates the ...

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

Page 32: ...ctor 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 service for BD according ...

Page 33: ...e 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 compatible Refer customer to section ...

Page 34: ...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 unit from the electrical outlet for 15 to ...

Page 35: ...ot 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 Universal remotes will have to be reprogrammed D...

Page 36: ...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 compatible Refer customer to section of OM r...

Page 37: ...e 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 compatible Refer customer to section of OM rega...

Page 38: ...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 customer to access the chapter list Start play bac...

Page 39: ... 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 aspect ratio which means bars will be placed ...

Page 40: ...hen 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 HDC P 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 companies will not allow their discs to upconvert pas...

Page 41: ...is active in the BD disc Also BD Player can support VOD service such as Youtube Picasa Accuweather USA CIS South America only Why can t download the item through the network Make sure the customer insert the LAN cable into the Ethernet jack Make sure the network is active If it is active the disc may have a problem If not active see the network section of OM Is there a firmware update available fo...

Page 42: ...speed of 1 5Mbps For the best quality picture a connection speed of 4 0Mbps is required Do not have any Other online activity on your network NO YES Your connection may be affected by other activity on your network such as online gaming file sharing or other video streaming Test your bandwidth NO You can test your bandwidth at one of these sites http www speakeasy net speedtest http www speedtest ...

Page 43: ...ongestions Please retry it 2 or 3 more times If it is Home menu no data will be displayed If it is Favorite City menu it will return to the favorite city list Although you did retry 2 3 times same symptom occurs Network is not setup correctly Please check the network status NO NO YES 3 28 DIGITAL DISPLAY MEDIA TRAINING MASTER ...

Page 44: ...ure 1 Look at the physical of fuse F101 2 Check the bridge diode D103 D106 3 Check the R101 short or open 1 1 3 Service hint Any picture Remark Fuse F101 Can look at physical condition Bridge diode D103 D106 Resistor R101 If R101 open state it is change new component m mps ly SWITCHING IC AC85 264V RECTIFIER primary Fuse wyv lj vy y k y lhGk Gi YY mG Y 3 29 ONE POINT REPAIR INSTRUCTION ...

Page 45: ...untermeasure Case 1 12 VA abnormal Check C123 TZD130 and replace it Case 2 5 1 VA abnormal Check C124 C129 L111 and replace it Case 3 12 VA 5 1 VA abnormal Check IC101 and replace it 1 2 3 Service hint Any picture Remark CASE 2 C124 C129 L111 CASE 2 C124 C129 L111 CASE 3 IC101 CASE 3 IC101 CASE 1 C123 TZD130 CASE 1 C123 TZD130 3 30 ONE POINT REPAIR INSTRUCTION ...

Page 46: ...place D127 L111 IC104 on SMPS board 2 1 2 How to troubleshoot Countermeasure Case 1 5 1 VA abnormal Replace D127 or L111 on SMPS board Case 2 5 V abnormal Replace IC104 on SMPS board 1 2 3 Service hint Any picture Remark CASE 2 IC104 CASE 1 D127 L111 CASE 1 D127 CASE 1 L111 3 31 ONE POINT REPAIR INSTRUCTION ...

Page 47: ...3 No 3 3 VA 3 1 1 Solution Replace IC203 on main board 3 1 2 How to troubleshoot Countermeasure 1 Please check 5 1 VA of IC203 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 IC203 pin1 VOUT replace IC203 3 1 3 Service hint Any picture Remark Main board bottom view 3 32 ONE POINT REPAIR INSTRUCTION ...

Page 48: ...se back to the solution 2 3 If 5 1 VA input is normal first of all check the PWR_CTL is high CN201 pin 6 If PWR_CTL is high check R208 L207 C207 R217 R238 R239 R240 and if there s no defective component then replace IC207 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 refer to item 3 6 Check NAND fla...

Page 49: ... previous page for solution 3 1 3 If Vcc input IC204 there is 3 3 V signal First check C241 R241 and if there s no defective component please replace IC204 4 After changing it if the set is still not booting Refer to the next page for checking another power source 1 1V 1 5V Check Crystal X501 refer to item 3 6 Check NAND flash IC IC603 refer to item 3 7 Check DDR IC IC601 IC602 refer to item 3 8 C...

Page 50: ...If VCC input IC202 there are 12 V signal First of all check the PWR_CTL is high and if it s high check R207 C206 L206 C274 C231 C227 and if there s no defective component please replace IC202 4 After changing it if the set is still not booting Check 1 1 1 2 3 3V 3 3VA is normal please refer to other sections of this guide Check Crystal X501 refer to item 3 6 Check NAND flash IC IC603 refer to item...

Page 51: ...VCC input IC201 there are 12 VA signal First of all check the PWR_CTL is high and if it s high check R298 L201 C272 C273 C224 C225 C209 and if there s no defective component please replace IC201 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 6 Check NAND flash IC IC603 refer to i...

Page 52: ...tus 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 7 Check DDR IC IC601 IC602 refer to item 3 8 Check MT8550L IC IC501 refer to item 3 9 3 6 3 Service hint Any picture Remark Main board top view Main board bottom view 3 37 ONE POI...

Page 53: ...sure 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 8 Check MT8550L IC IC501 refer to item 3 9 3 7 3 Service hint Any picture Remark Main board top view IC603 3 38 ONE POINT REPAIR INSTRUC...

Page 54: ...k 0 75 V of DDR2_1_VREF between C647 and C648 Please check 1 5 V of C632 2 If it doesn t work even though IC201 IC202 IC203 IC207 are no problem IC601 IC602 DDR memory could have problem 3 After changing it if the set is still not booting Check MT8550L IC IC501 refer to item 3 8 Check main board refer to item 3 9 3 8 3 Service hint Any picture Remark Main board top view Main board top view Main bo...

Page 55: ...e check 3 3 V of C567 on main board Please check 1 5 V of C529 on main board Please check 1 1 V of C552 on main board 2 If it doesn t work even though IC103 IC106 IC107 are no problem IC501 MT8550L could have problem 3 After changing it if the set is still no booting check main board refer to item 3 10 3 9 3 Service hint Any picture Remark Main board bottom view Main board top view IC501 3 3 V 1 2...

Page 56: ...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 10 3 Service hint Any picture Remark Main board top view IC501 IC602 IC601 3 41 ONE POINT REPAIR INSTRUCTION ...

Page 57: ...leshoot 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 JK805 3 If there is soldering problem please re soldering pin JK805 4 If after re soldering problem still occurs replace JK805 5 If problem still occurs after change JK805 check MT8550L IC IC501 Refer to item 4 6 4 1 3 Service hint Any p...

Page 58: ...re is short soldering on pin JK803 re soldering pin JK803 3 If problem still occurs check HDMI data on RN801 and RN802 If all data OK replace JK803 If data NG check set on BD Mode Replace IC501 5 1 3 Service hint Any picture Remark IC501 MEDIATEK MT8550LBAG CEC HPD H_SCL H_SDA HDMI_CLK_N HDMI_CLK_P HDMI_0_N HDMI_0_P HDMI_1_N HDMI_1_P HDMI_2_N HDMI_2_P HDMI JACK AUDIO_SPDIF TP_TX_P TP_TX_N TP_RX_P ...

Page 59: ...R101 normal Is D103 D106 normal Is the VCC 13 V 27 V supplied to IC101 pin4 Replace R101 Replace D103 D106 Is D102 normal Check or replace D102 YES YES YES YES NO NO Power line of main PCB is short 1 POWER SUPPLY ON SMPS BOARD 3 44 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 60: ...04 pin NO NO YES YES YES YES Is the Vcc 5 3 VA supplied to IC104 pin2 3 NO No 12 VA Check or replace D126 D130 Check or replace C123 Check soldering connector CN301 Check SMPS primer side Is the D126 D130 output 12 VA D126 D130 OK C123 OK NO NO YES YES YES YES YES Is the Vcc supplied to D126 D130 anode NO 3 45 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 61: ...S NO Is the D216 output 5 3 VA Is there signal at IC207 pin1 Check C237 or replace D216 Check voltage on IC501 YES NO NO YES No 1 2 V Check IC204 and replace Is the Vcc 3 3 V supplied to IC204 pin3 Check 3 3 V on main board YES YES NO 2 POWER SUPPLY ON MAIN BOARD 3 46 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 62: ...rd YES YES NO Is there 3 3V at IC201 pin6 Check PWR_CTL signal from IC501 YES NO No 1 5 V Check IC202 and replace Is the Vcc 12 VA supplied to IC202 pin2 Check 12 VA on SMPS board YES YES NO Is there 3 3 V at IC202 pin6 Check PWR_CTL signal from IC501 YES NO 3 47 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 63: ...K IC501 IC601 IC602 Vcc 1 2VA 3 3VA 1 5V 1 1V OK 5 V OK NO NO NO YES YES Check IC501 CN301 Replace X501 Replace IC301 LED Driver VCLK VDATA VSTB OK X501 27 000 MHz OK IC301 data output to LED OK NO NO NO YES YES YES YES 3A Replace IC501 MT8550L BAG Check CN304 or replace LED401 3B 3 48 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 64: ... Logo display on monitor OK 3A 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 IC202 and SMPS Replace IC603 NAND flash Replace IC501 MT8550L BAG or IC601 IC602 IC601 IC602 Vcc 1 5V OK Signal NF_ALE NF_CLE OK NO NO YES YES 3 49 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 65: ...cc or replace IC501 MT8550L BAG Replace L801 Replace D804 YES YES YES YES YES NO NO NO Is there CVBS signal on L801 Is there CVBS Signal out of L801 Is there signal on D804 D804 3 3V OK Check IC207 NO Check JK802 and RCA cable connection 3 50 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 66: ... Replace L802 L803 L803 Replace D801 D802 D803 YES YES YES YES YES NO NO NO Is there YPbPr signal on L802 L803 L803 Is there YPbPr signal out of L802 L803 L803 Is there signal on D801 D802 D803 D801 D802 D803 VCC 3 3V OK Check IC207 NO Check JK802 and YPbPr cable connection 3 51 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 67: ...put Check JK801 and coaxial cable connection Is there signal on C823 Check IC600 RTD1183 Vcc or replace IC600 RTD1183 YES YES NO Is there signal R828 Is there signal on R829 Replace R828 Check C824 C825 R830 or replace YES NO NO YES 3 52 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 68: ...eplace IC801 YES YES YES YES YES YES NO NO NO Is there signal audio L R on IC801 pin2 6 Is there signal audio L R on R834 R836 R835 R837 Is there signal audio L R on IC801 pin1 7 IC801 pin8 Vcc 10 V OK IC801 pin3 5 Vcc 5 V OK Check Vcc10 V on main board Check Vcc 5 V on SMPS board NO NO Check JK802 and RCA cable connection 3 53 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 69: ...ck hot plug detect signal from TV Check IC501 MT8550L BAG Vcc or replace IC501 MT8550L BAG YES YES YES YES NO NO NO JK803 pin18 Vcc 5 3 VA OK JK803 pin19 HPD about 3 3 V OK Is there signal on RN801 HDMI output OK 8 NO HDMI OUTPUT 3 54 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 70: ...1 SYSTEM PART 1 1 IC501 IC501 MT8550L BAG XTAL 27 MHz 1 3 55 WAVEFORMS ...

Page 71: ...2 SYSTEM PART 2 SYSTEM MEMORY BA0 2 DWE 3 DCAS 4 DCK 5 IC601 IC602 2 5 4 3 3 56 ...

Page 72: ...3 VIDEO PART 100 FULL COLOR BAR CVBS 6 COMP_Y 7 COMP_Pb 8 COMP_Pr 9 6 7 8 9 3 57 ...

Page 73: ...4 AUDIO PART S PDIF MT8550_AUDIO_S PDIF 10 10 3 58 ...

Page 74: ...5 HDMI PART H_SDA 11 H_SCL 12 HDMI_CLK_N 13 HDMI_0_N 14 11 12 13 14 3 59 ...

Page 75: ...MEMO 3 60 ...

Page 76: ...3 61 X pin FFC X pin Board to Board Composite Audio Out HDMI Coaxial Ethernet 5 Pin 16 pin 4 Pin 45 Pin 4 Pin CLOCK USB RC X pin FPC WIRING DIAGRAM 1 2 3 4 5 ...

Page 77: ...3 62 1 2 3 4 5 ...

Page 78: ...002 STB CLK DATA 2 KEY LED CLOCK AMP MC4580 Reset IC MT8550 1 1V 1 2V 1 5V 3 3V 3 3VA 0 75V FOR MT8550 Audio Mute SPDIF USB D D 5V EPHY_TDP EPHY_TDN EPHY_RDP EPHY_RDN ETHERNET SMPS 12VA 5 3VA DC DC AOZ1072 LM1117S 1 1V DC DC AOZ1073 1 5V 9V 3 3V LDO LM39102 5 3VA Play Stop 3 3VA LDO LM1108S Power KEY 1 2V LDO KIA1112 10V RESET 9V OPU BD LD CD DVD LD TR TR PWR_CTL RClamp0524P ESD Option EJECT CLOSE...

Page 79: ...2 SMPS BLOCK DIAGRAM 3 64 m m ps ly SWITCHING IC TRANS FEED B RECTIFIER 5 3VA 5 1VA AC85 264V RECTIFIER primary Fuse RECTIFIER 10VA LPF 11 14VA LPF wyv lj vy y k y lhGk Gi YY mG Y ...

Page 80: ...v XW Y hv XW Z skvZUZ GOXhP stZ XWY ྜ stXXW_z ylnG jj ik skGO P stXXX tXY h t Gk tXS tYS tZ jj ik sk jk sk ziGokk tk kkyZ oktpG O z i kkjP w y j s vw yzi y w ylzl J x WZ k k sk x WX t jsGt Gk GOsiX_ _tP zwkpm jj vwhtw ziGzV ྙh kkZZ skv ྛ jvylGXUX f XXG GX h G Gj GOXW P rphXXXY XU_h XUYh WU h x WY 3 POWER SIGNAL BLOCK DIAGRAM ...

Page 81: ...S0 DDR3_A_DQS0 DDR3_A_DQS1 DDR3_A_DQS1 DDR3_A_BA0 DDR3_A_BA1 DDR3_A_BA2 DDR3_A_ODT DDR3_A_CAS DDR3_A_RAS DDR3_A_CS IC601 DDR3 DRAM 1GBit 128MB DDR3_B_RA 0 13 DDR3_B_DQM0 DDR3_B_DQM1 DDR3_B_PRESET DDR3_B_BA0 DDR3_B_BA1 DDR3_B_BA2 DDR3_CLK2_P DDR3_CLK2_N DDR3_B_DQS0 DDR3_B_DQS0 DDR3_B_DQS1 DDR3_B_DQS1 DDR3_B_ODT DDR3_B_CAS DDR3_B_RAS DDR3_B_CS DDR3_B_WE DDR3_B_CKE IC602 DDR3 DRAM 1GBit 128MB DDR3_A_...

Page 82: ...C_CVBS DAC_AUDIO_L DAC_AUDIO_R CEC HPD H_SCL H_SDA HDMI_CLK_N HDMI_CLK_P HDMI_0_N HDMI_0_P HDMI_1_N HDMI_1_P HDMI_2_N HDMI_2_P USB_P USB_N SMSP Timer Board USB JACK HDMI JACK AUDIO_SPDIF CN201 JK805 ETHERNET TP_TX_P TP_TX_N TP_RX_P TP_RX_N Coaxial JACK Component Jack CBVS and Audio Jack ...

Page 83: ...3 68 USB JACK S1 S5 STOP PLAY POWER MC2002 ABOV STB CLK DIO USB_P N S1 S6 S12 S13 G1 G5 IR RCU 5V 5V 5 3VA POWER K2 IC501 MEDIATEK MT8550LBAG CN301 OPEN CLOSE OPEN CLOSE 6 TIMER BLOCK DIAGRAM ...

Page 84: ...TION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during Play mode IMPORTANT SAFETY NOT...

Page 85: ...3 71 3 72 2 MAIN POWER CIRCUIT DIAGRAM 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 ...

Page 86: ...3 73 3 74 3 MAIN MPEG CIRCUIT DIAGRAM 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 ...

Page 87: ...3 75 3 76 4 MAIN DDR MEMORY CIRCUIT DIAGRAM 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 ...

Page 88: ...3 77 3 78 5 MAIN SERVO CIRCUIT DIAGRAM 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 ...

Page 89: ...3 79 3 80 6 MAIN A V OUTPUT CIRCUIT DIAGRAM 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 ...

Page 90: ...1 22 32 VCC 5 13 5 11 IC703 LB1848M 1 VCC 5 14 5 13 IC801 OP AMP MC4580 Play Mode 3 IN1 2 58 5 IN2 2 58 8 VCC 10 04 No Play Mode 3 IN1 2 58 5 IN2 2 58 8 VCC 10 04 Pin No Desc Voltage Remarks Q271 Emitter 11 4 Base 0 01 Collector 11 35 Q272 Emitter 0 01 Base 3 17 Collector 0 014 Q801 KTC3875S Play Mode Emitter 0 Base 0 Collector 2Vrms No Play Mode Emitter 0 Base 0 7 Collector 0 Q802 KTC3875S Play M...

Page 91: ...3 83 3 84 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW 7 6 5 4 3 2 1 A B C D E F G H 7 6 5 4 3 2 1 A B C D E F G H ...

Page 92: ...3 85 3 86 2 SMPS P C BOARD TOP VIEW 7 6 5 4 3 2 1 A B C D E F G H I J ...

Page 93: ... SMPS P C BOARD BOTTOM VIEW 3 TIMER P C BOARD TOP VIEW BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock 2 1 A B C D 2 1 A B C D 7 6 5 4 3 2 1 A B C D E F G H I J ...

Page 94: ...LL CD DISC READING ERROR 4 4 HOW TO USE THE SA RESET FUNCTION 4 5 1 PURPOSE 4 5 2 REQUIRED SA RESET 4 5 3 SA RESET PROCEDURE 4 5 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 4 7 1 IC501 MT8550L 4 7 2 IC704 R2A30209SP W02Z SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 4 12 3 PICK UP CONNECTOR TERMINAL PIN ASSIGNMENTS LPC A11V 4 14 BLOCK DIAGRAM 4 15 ...

Page 95: ...rent control is abnormal BD doesn t work 1 1 Component 1 MD Traverse Assembly 2 IC701 Adjustable LDO 1 2 How to troubleshoot Countermeasure 1 Check MD Traverse pick up first of all 2 Check input output voltage of LDO IC701 12 V 9 V 3 If output voltage is abnormal check the periphery of IC701 and replace it 4 Check the BD LD Control input output If input signal VRDC3O is OK but no output BD_LD chec...

Page 96: ...ontrol is abnormal DVD doesn t work 2 1 Component 1 MD Traverse Assembly 2 Q701 Q704 2 2 How to troubleshoot Countermeasure 1 Check MD Traverse pick up first of all 2 Check the DVD LD control input output If input signal VRDC2O is OK but no output DVD_LD check the TR Q701 Q704 2 3 Service hint Any picture Remark INPUT FROM MAIN CHIP OUTPUT TO PICK UP ...

Page 97: ...control is abnormal CD doesn t work 3 1 Component 1 MD Traverse Assembly 2 Q703 Q705 3 2 How to troubleshoot Countermeasure 1 Check MD Traverse pick up first of all 2 Check the CD LD control input output If input signal VDACO is OK but no output CD_LD check the TR Q703 Q705 3 3 Service hint Any picture Remark INPUT FROM MAIN CHIP OUTPUT TO PICK UP ...

Page 98: ... changing Traverse After changing Main Board Assembly After changing Main Board Flash IC 3 SA RESET PROCEDURE HOW TO USE THE SA RESET FUNCTION 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 on the remote control ler to display special mode Move to the SA IOP Reset and click ...

Page 99: ...rt BD ROM SL Disc Tray is opened automatically 5 If the disc is inserted you will see Wait 6 If SA Adjustment is finished tray is opened auto matically 7 Press stop key twice to escape this special mode Reference ...

Page 100: ...ge R3 FECMOD 3 3V LVTTL I O 5V tolerance Slow slew 2 4 6 8mA PDR 75K pull up High frequency modulation mode selection signal output or LDO serial interface command enable The pin is spike free at power on stage M1 FEDMO Analog Output Disk motor control output PWM output T4 FEEJECT_ 3 3V LVTTL I O 5V tolerance 12mA driving 75K pull up Eject stop key input active low The pin is spike free at power o...

Page 101: ...uit layout P3 FEGAINSW3 Analog Output Read Write gain switch 3 Synchronous with WLDON signal The pin is not allowed to pull up in circuit layout T1 FEGIO0 3 3V LVTTL I O 5V tolerance 4 8 12 16mA PDR 75K pull down LDD serial interface data The pin is spike free at power on stage The pin is not allowed to pull up in circuit layout Alternate function 1 Internal monitored signal output 2 General IO P4...

Page 102: ...monitored signal output P6 FEGIO3 3 3V LVTTL I O 5V tolerance 4 8 12 16mA PDR 75K pull down LED Control Output Initial 0 Output The pin is spike free at power on stage Alternate function 1 Internal monitored signal output 2 General IO U1 FEGIO4 Analog Output Read Write gain switch 6 Alternate function 1 LCD serial interface command enable 2 LCD_DRV Sqare wave output for LCD control 3 Internal moni...

Page 103: ...ut Input of Main Beam Signal F G2 ING Analog Input Input of Main Beam Signal G G4 INH Analog Input Input of Main Beam Signal H U4 FELIMIT_ 3 3V LVTTL I O 5V tolerance 12mA 75K pull up Sledge Inner Limit Input Active Low The pin is spike free at power on stage Alternate function 1 Internal monitered signal output 2 General IO M6 FEMPXOUT1 Analog Output Multiplexer Output 1 for Signal Monitoring The...

Page 104: ...5V tolerance 12mA 75K pull up Tray_is_out Input A Logical Low Indicates the Tray is OUT Feedback Flag is from Tray Connector The pin is spike free at power on stage Alternate function General IO W3 FETRAYPWM Analog Output Tray PWM control output Controlled by μP F4 TRINA Analog Input Input of Tracking Signal A G3 TRINB Analog Input Input of Tracking Signal B G4 TRINC Analog Input Input of Tracking...

Page 105: ...4 12 2 IC704 R2A30209SP W02Z SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...

Page 106: ...current limit 19 FG Frequency generator output 20 EN1 Input terminal for enable 1 21 EN2 Input terminal for enable 2 22 VM1 Motor Power Supply 1 for Spindle 23 SPGS Input terminal for gain select SPM 24 IPRO1 Input terminal for ACT13 current protect 25 ACGS Input terminal for gain select ACT 26 VM3 Power Supply3 for Loading 27 LO Loading non inverted output 28 LO Loading inverted output 29 GND GND...

Page 107: ...SW2 PDIC BD Output Switch Port 26 SW1 PDIC BD Output Switch Port 27 VREF_PD PDIC Reference Supply Terminal 2 1V 28 PD_VCC PDIC Power Terminal 5V 29 PGND GND for PDIC 30 SW 2 Wavelength PDIC DVD CD Sleep Change over SW 31 GND LD HFM IC Monitor GND for LD and HFM IC 32 LDI_BD LD control for LD BD 33 LDI_CD LD control for LD CD 34 LDI_DVD LD control for LD DVD 35 GND GND for LD and HFM IC 36 TEMP The...

Page 108: ...OPU Ethernet 7 1 CH Audio 2 CH Audio S PDIF HDMI 1 3 Component CVBS DVO USB 2 0 Motor Driver USB PORT NAND 1GB NOR 1MB DDR2 384MB Audio DAC MT8550 HD SD decode 800 MHz ARM11 400 MHz Audio DSP x 3 HDMI 1 3 Ethernet Monitor ...

Page 109: ...4 16 MEMO ...

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