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3-14

DIGITAL DISPLAY & MEDIA TRAINING MASTER

4. NOISE/AUDIO PROBLEMS

4-1. No Audio

The customer is not able to get audio.

What cables is the customer

using to connect the BD?

YES

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 cables. Make sure the customer has audio cables

connected if using an HDMI to DVI adapter or video-only cables

(DVI, component, etc).

Is the customer

able to see video?

YES

Make sure the customer has not routed video

and audio to separate inputs.

Does issue occur on
more than one disc?

YES

Problem occurring on one disc indicates a problem with the disc.

Problem occurring on multiple 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?

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?

YES

Audio is fine when the BD is connected to

another TV indicates the problem is with the television.

Refer to the owners manual for assistance

with connecting BD to another TV.

Has the customer tried

another set of cables?

Have the customer try another set of cables. A bad cable can also

cause audio problems. Test the cable with another device to

the TV to also determine if the TV is bad. If BD is problem,

please see service chart for service information.

Содержание BP330

Страница 1: ... DVDPLAYER SERVICE MANUAL MODEL BP330 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL BP330 SERVICE MANUAL P NO AFN75875795 AUGUST 2013 Website http biz lgservice com Internal Use Only ...

Страница 2: ...1 1 CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MT8551P F E LOADER PART SECTION 5 REPLACEMENT PARTS LIST ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 6: ...IDE 1 COPY AN UPDATE FILE TO A MEDIA USB OR CD ROM Update File Name LG_BD_8100M51 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 ...

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

Страница 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 ...

Страница 9: ...UTS HDMI OUT video audio 19pin Type A HDMI Connector DIGITAL AUDIO OUT COAXIAL 0 5 V p p 75 Ω RCA jack x 1 SYSTEM Laser Semiconductor laser Wavelength 405 nm 655 nm 790 nm 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 Dynamic range More than 95 dB Note Design and spe...

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

Страница 11: ...A B C D E MAIN BOARD Wi Fi Module Wi Fi Only 462 250 468 A46 262 260 261 261 261 A44 462 263 A51 CABLE2 284 283 A43 462 A50 D CABLE1 275 LED DOT BOARD 470 EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION A B C BM16A 462 ...

Страница 12: ...1439 A001 1002 1005 1001 1003 1004 1030 1016 1013 1015 1020 1011 1012 1049 1437 1025 1025 1024 1024 1437 1035 1026 1043 A005 1439 1018 1019 A006 1045 2 DECK MECHANISM SECTION BM16D SN12 ...

Страница 13: ...803 Packing 803 Packing 804 Bag 802 Box 900 Remote Control 808 Battery 801 Instruction Ass y 833 AC Adapter 832 CD 3 PACKING ACCESSORY SECTION ...

Страница 14: ...TWORK CONNECTION ERROR 3 39 6 BAD HDMI VIDEO AUDIO OUTPUT 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 44 WAVEFORMS 3 45 1 SYSTEM PART 1 3 45 2 SYSTEM PART 2 SYSTEM MEMORY 3 46 3 HDMI PART 3 47 WIRING DIAGRAM 3 48 BLOCK DIAGRAM 3 49 CIRCUIT DIAGRAMS 3 51 1 DC DC CIRCUIT DIAGRAM 3 51 2 MPEG CIRCUIT DIAGRAM 3 53 3 MEMORY STRAP CIR...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 40: ...measure 1 Check the 12 VA of JK806 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 JK806 and C151 ...

Страница 41: ... and if it s high check C165 L152 C169 R169 R170 R171 C174 C175 C176 C177 and there s no defective component replace IC150 4 If 5 3 VA is OK but 5 V from IC150 pin28 is abnormal check C155 CA151 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 3 3 V 3 3 VA is normal please refer to other sections of this guid...

Страница 42: ... front panel and it will not 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 3 VA of IC153 pin2 Vin 2 If 5 3 VA is abnormal refer to the solution2 1 at the previous page 3 If 5 1 VA is OK but 3 3 VA is abnormal at the IC153 pin1 Vout replace IC153 3 1 3 Service hint Any picture Remark IC153 ...

Страница 43: ...A back to the solution 2 3 If 5 3 VA input is normal first of all check the PWR_CTL is high Q501 pin2 If PWR_CTL is high check R172 L153 C179 R173 R174 R175 R176 and if there s no defective component then replace IC151 4 After changing it if the set is still not booting Refer to the next page for checking another power source 1 2 V 1 5 V Check crystal X501 refer to item 3 5 Check NAND flash IC IC6...

Страница 44: ... 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 solution3 2 3 If IC152 pin3 have 3 3V replace IC152 3 3 3 Service hint Any picture Remark pjX Y IC152 ...

Страница 45: ...VA go to previous solution to check it 3 If 12VA 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 3 3 V 3 3 VA is normal please refer to other sections of this guide Check Crystal X501 refer to item 3 5 Check NAND flash IC IC603...

Страница 46: ...hoot Countermeasure 1 Please check the soldering status of 27 MHz crystal X501 2 Please check the frequency of 27 MHz crystal X501 3 If the crystal doesn t oscillate replace X501 4 After changing it if the set is still not booting Check NAND flash IC IC603 refer to item 3 6 Check DDR IC IC601 IC602 refer to item 3 7 Check MT8551P IC IC501 refer to item 3 8 3 5 3 Service hint Any picture Remark X50...

Страница 47: ...d 3 6 2 How to troubleshoot Countermeasure 1 Please check physical status of IC603 on your eyes 2 Check the Vcc 3 3 V of IC603 and if it s normal please replace IC603 Please make sure IC603 has proper program 3 After changing it if the set is still not booting Check DDR IC IC601 IC602 refer to item 3 7 Check MT8551P IC IC501 refer to item 3 8 3 6 3 Service hint Any picture Remark pj WZ IC603 ...

Страница 48: ...0 75 V of DDR3_VREF between C645 and C646 Please check 0 75 V of DDR3_VREF between C647 and C648 Please check 1 5 V of C601 2 If it doesn t work even though IC150 IC151 IC152 IC153 are no problem IC601 IC602 DDR memory could have problem 3 After changing it if the set is still not booting Check MT8551P IC IC501 refer to item 3 8 Check main board refer to item 3 9 3 7 3 Service hint Any picture Rem...

Страница 49: ...ountermeasure 1 Please check 1 2 V of C502 on main board Please check 3 3 V of C508 on main board Please check 1 5 V of C602 on main board 2 If it doesn t work even though IC150 IC151 are no problem IC501 MT8551P 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 j WYOXUY P j W_ஂZUZ ஃ j WYஂXU ஃ pj WX C502 C...

Страница 50: ...rd 3 9 2 How to troubleshoot Countermeasure 1 Please remove IC501 and IC601 IC602 and then check the Impedance between each signal DATA ADDRESS and so on 2 If there is some Impedance a few ohm or infinite ohm especially power source trace PCB via might be broken You d better change main board 3 9 3 Service hint Any picture Remark pj WX pj WY pj WX IC501 and IC601 IC602 ...

Страница 51: ... Jack on main board 4 1 2 How to troubleshoot Countermeasure 1 Check you internet connection Make sure it connect properly to modem or router 2 If internet connection OK please check the Ethernet Jack JK803 3 If there is soldering problem please re soldering pin JK803 4 If after re soldering problem still occurs replace JK803 5 If problem still occurs after change JK803 check MT8551P IC IC501 Refe...

Страница 52: ...module on front panel 5 1 2 How to troubleshoot Countermeasure 1 Check you internet connection Make sure it connect properly to modem or router 2 If internet connection OK please check the CN803 3 If there is soldering problem please re soldering pin CN803 4 If after re soldering problem still occurs replace Wi Fi module 5 If problem still occurs after change Wi Fi module check MT8551P IC IC501 Re...

Страница 53: ... screen But component output is OK 6 1 JK802 HDMI Jack 6 1 1 Solution Replace JK802 HDMI Jack 6 1 2 How to troubleshoot Countermeasure 1 Check JK802 pin soldering 2 If there is short soldering on pin JK802 re soldering pin JK802 3 If problem still occurs check HDMI data If all data OK replace JK802 If data NG check set on BD Mode Replace IC501 6 1 3 Service hint Any picture Remark ...

Страница 54: ...ES YES NO Is D150 output 5 3 VA Is there signal at IC151 pin1 Check C178 or replace D150 Check voltage on IC501 YES YES NO NO No 5 V Check IC150 and replace Is the Vcc 5 3 VA supplied to IC150 pin27 Is there 3 3 V at IC150 pin25 Check 5 3 VA on IC150 pin10 Check PWR_CTL signal from IC501 YES YES YES NO NO 1 POWER SUPPLY ON MAIN BOARD ...

Страница 55: ...50 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 V supplied to IC152 pin3 Check 3 V on IC151 pin3 YES YES NO ...

Страница 56: ...LG Logo display on monitor OK LG Logo display on monitor OK 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 IC152 pin4 Replace IC603 NAND flash Replace IC501 MT8551P or IC601 IC602 IC601 IC602 Vcc 1 5V OK Signal NF_ALE NF_CLE OK NO NO YES YES 2 SYSTEM PART Power on 2A ...

Страница 57: ...ut Check VCC 5 V from IC150 Check hot plug detect signal from TV Check IC501 MT8551P Vcc or replace IC501 MT8551P 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 ...

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Страница 60: ...sr w y_X XU_r y_X XU_r y_X_ X r knuk knuk knuk knuk knuk k_WX y W Y wh X puw Y puw Z nuk puw puw v w v w _ nuk v w XW v w k_WY y W Y wh X puw Y puw Z nuk puw puw v w v w _ nuk v w XW v w k_WY XzzZ qr_WY X WX zTZXYo uTlT TjTs X YR Y Y zok Z Y XR X zok X WR _ W zok W XW jsrR XX j zok XY jsr XZ jlj X uj X zjs X zkh X nuk X_ jjGR X owk _WX sjlW W hWX my uj _WY sjlW W hWX my uj _WZ sjlW W hWX my uj ...

Страница 61: ...3 48 X pin FFC HDMI USB RC X pin Harness 9 Pin 5 Pin 45 Pin Ethernet kjGqhjrG 15 Pin pTmp Gw slk 1 2 3 4 5 WIRING DIAGRAM ...

Страница 62: ... I2C HPD CEC USB Open Close Power EPHY_TDP EPHY_TDN EPHY_RDP EPHY_RDN ETHERNET 27MHz DQ 0 15 RA 0 13 DQM0 1 DQS0 0 1 1 BA0 1 2 CLK_P N CAS RAS CS WE CKE ODT RRESET MD Traverse KEM480AAA SONY INA INH RFO GAINSW3 MUTE1 GIO4 TWPWM FMO1 FMO2 12VA 5V 3 3V LOAD TR TL FO CO_A CO_B FG TRAYIN TRAYOUT 8VA STB CLK DATA LED CLOCK SJ73L29S PWR_CTL Motor Driver IC TPIC2050 MT8551P 1 2V 1 5V 3 3V 3 3VA USB_P USB...

Страница 63: ...3 50 MEMO ...

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Страница 67: ...X nuk X nuk X lz X sklt X_ zlu skv X zjsr YW zkpv YX nuk YY nuk YZ uj Y tvkli Y tvklh Y nuk wk Y ymT Y_ ymR Y nuk wk ZW jj wk ZX n ZY h ZZ j Z o Z m Z k Z i Z_ l Z j wk W oltv X nuk Y zh iR Z zh iT zh hR zh hT tvklh yR wpj hT jj wk svhkT jj ski zh hR j wk zlu skv ps R wpj hR lz zjsr ymR svhkR i zh iT wpj iR wpj iT ps T zh hT l yh v yT zh iR yh pu zkpv sklt tnuk ymT jvttvu ypuh q h j jj skv k m ltw...

Страница 68: ...T uj _ nuk uj XW uj pmp u pmp w ju_WZ X v s Y nuk Z pmp w pmp u knuk nuk pmp u q pmp w q knuk knuk knuk knuk knuk k_WX y W Y wh X puw Y puw Z nuk puw puw v w v w _ nuk v w XW v w k_WY y W Y wh X puw Y puw Z nuk puw puw v w v w _ nuk v w XW v w j_XX XWW mVX j_XY XWW mVX k_WY XzzZ qr_WY X WX zTZXYo uTlT TjTsn X YR Y Y zok Z Y XR X zok X WR _ W zok W XW jsrR XX j zok XY jsr XZ jlj X uj X zjs X zkh X ...

Страница 69: ...X v Y jj Z nuk UZ h UZ h nuk ju WX X UZ h Y slk Z py vwlu rl nuk z i jsr _ kh h XW XX wv ly rl XY nuk XZ nuk X zi w X zi u j W XWW mVX j W mVX x WX zyjXYWZt X l Y j Z i j WX X m y WX ZZW j WY X m uj j WZ X m uj sk WX ztZ X y WZ X W j WXTQX X m y WXTQX ZZW y WZTQX X W iwZZWG ptly o t s pGvw pvu j WX y WX y WZ s Gu U t s pGvw pvu t s pGvw pvu t s pGvw pvu 3 62 3 61 6 TIMER CIRCUIT DIAGRAM ...

Страница 70: ... 1 51 IC153 LM1108SF 3 3 1 Vin 3 3 3 31 3 3 2 Vout 5 45 5 31 5 3 IC502 SJ73L29S 1 Vin 3 3 3 3 3 3 3 Vout 3 3 3 3 3 3 IC603 NAND HY27UF082G2B TPCB 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 0 94 5 3 5 3 42 P12V_1 12 32 12 2 12 16 46 P12V_2 12 32 12 2 12 16 56 P5V_2 0 97 5 3 5 3 IC702 AZ1117BH ADJTRE1 3 Vin 12 32 12 18 12 16 2 Vout 8 65 8 66 8 67 4 Vout 8 65 8 ...

Страница 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 ...

Страница 72: ...CK GUIDE 4 3 1 PURPOSE 4 3 2 PROCEDURE 4 3 HOW TO INSERT NEW BARCODE VALUE 4 4 1 PURPOSE 4 4 2 REQUIRED TO INSERT NEW BARCODE VALUE 4 4 3 PROCEDURE 4 4 MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION 4 5 1 IC501 MT8551P 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 ...

Страница 73: ... 3 Check firmware 2 SPINDLE SLED PROBLEM Spindle sled is not moving 1 Check MD s cable s status Spindle sled 8 pin 2 Check power source of IC701 pin42 12 V pin34 5 V 3 Check firmware 3 DISC READING PROBLEM Set can not read disc well 1 Check 1 2 condition again 2 Check LD status In next page it will be explained COMPONENT REPAIR GUIDE ...

Страница 74: ...D status 2 PROCEDURE 1 Power on the set 2 Click 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 SA IOP Reset and click 4 Click 1 Laser Check 5 You can see the check result at once PASS means Laser Check Result is OK LD CHECK GUIDE ...

Страница 75: ...ng value SA by using USB in this page 2 REQUIRED TO INSERT NEW BARCODE VALUE After changing Traverse After changing Main Board Assembly After changing Main Board Flash IC 3 PROCEDURE 1 Prepare USB and Barcode Update File Copy DEFAULT_BARCODE folder into USB Please check DEFAULT_BARCODE TXT In the folder 2 Power on the set 3 Insert USB in the set and If USB is recognized barcode value downloads aut...

Страница 76: ... low The pin is spike free at power on stage Alternate function General IO R1 FEFG 3 3V LVTTL I O 5V tolerance 6 mA PDR 75K pull up 3 3 V Motor Hall sensor input The pin is spike free at power on stage N1 FEFMO Analog Output Feed motor 1 control DAC output M2 FEFMO2 Analog Output Feed motor 2 control DAC output N3 FEFMO3 Analog I O Feed motor 3 control DAC output Alternative Function Auxiliary ser...

Страница 77: ...R6 FEGIO4 Analog Output Read gain switch 4 Alternate function 1 LCD serial interface command enable 2 LCD_DRV Sqare wave output for LCD control 3 Internal monitored signal output 4 General IO N5 FEGIO5 Analog Output Read gain switch 6 Alternate function 1 SIDM 2 LCD serial interface command enable 3 Internal monitored signal output 4 General IO N7 FEGIO6 Analog Output Read gain switch 6 The pin is...

Страница 78: ...ng RF SUM Signal Negative G1 RFIP Analog Input Differential Input of AC Coupling RF SUM Signal Positive H1 RFIP2 Analog Input Differential Input of AC Coupling RF SUM Signal Positive J3 TLO Analog Output Tilt servo output T2 FETRAYIN_ 3 3V LVTTL I O 5V tolerance 6 mA 75K pull up 3 3 V Tray_is_in Input A Logical Low Indicates the Tray is IN Feed back Flag is from Tray Connector The pin is spike fre...

Страница 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 ...

Страница 80: ...l 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 TES...

Страница 81: ...ND 15 GND 16 TEST_V Monitor Signal 17 LDEN I O Port 18 SEN_LDD SIO 19 SCLK 20 SDIO 21 GND GND 22 GND 23 NC Connected to GND at servo PWB I O Port 24 MODEB 25 MODEA 26 GND_PD OEIC GND RF Signal 27 RF RF Differential Output 28 RF RF Differential Output 29 GND_PD OEIC GND 30 VCC_PD OEIC Power Supply Servo Signal 31 G Servo Signal G 32 A Servo Signal A 33 C Servo Signal C 34 H Servo Signal H 35 F Serv...

Страница 82: ... BLOCK DIAGRAM OPU Ethernet 7 1 CH 2 CH S PDIF HDMI Component CVBS DVO Motor Driver USB NAND 1GB DDR3 256 384 MB Audio DAC MT8551P HD SD Decode 810 MHz ARM11 400 MHz Audio DSP x 3 HDMI 1 4 Ethernet Monitor ...

Страница 83: ...4 12 MEMO ...

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