LG SoundPlate LAP340 Скачать руководство пользователя страница 7 | Manualshive

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3) Please insert of another side of jig cable at the
back of main set.

* Be careful of the direction of cable

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Содержание SoundPlate LAP340

Страница 1: ...1 6 7 N F A O N P 4 1ch Base Speaker SERVICE MANUAL MODEL LAP340 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com Internal Use Only MODEL LAP340 SERVICE MANUAL SERVICE MANUAL ...

Страница 2: ...1 1 CONTENTS SECTION 1 GENERAL SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST ...

Страница 3: ...1 2 SECTION 1 GENERAL CONTENTS ESD PRECAUTIONS 1 3 SOFTWARE UPDATE METHOD 1 4 SOFTWARE DOWNLOAD 1 5 1 CONNECTION OF THE JIG 1 5 2 SOFTWARE DOWNLOAD 1 8 SPECIFICATIONS 1 17 ...

Страница 4: ...harges sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement ESD devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparabl...

Страница 5: ... 2 Updating the speaker bar LAP340 341 If you copy a update file to an USB memory you can update 1 Turn on the speaker bar and move to USB function with FLD jig 2 Insert USB memory that contains the update file of the latest firmware version into the speaker bar Insert the USB memory device to the USB port on the right side of the speaker bar 3 1 If you insert an USB memory that contains the IO MI...

Страница 6: ...WNLOAD KURNC KI KI CDNG 1 0 1 Insert the jig cable in CN903 1 CONNECTION OF THE JIG 2 After inserting the jig cable to CN903 Note Be careful of the direction of cable when insert the jig cable in CN903 of display jig ...

Страница 7: ...1 6 6RXQGSODWH DFN VLGH 1 0 3 Please insert of another side of jig cable at the back of main set Be careful of the direction of cable ...

Страница 8: ...ower cord at the back of the main set 4 2 Power on the sound plate and you can see massage of the display jig If display jig does not display anything please check the connection of display jig and cable and main set again ...

Страница 9: ...ad 1 Insert the USB memory in display jig Micom file must be inside of USB memory 2 Push continuallythe button at the back side of main set and push continually the 7 button of bar remote control until USB massage is diplay in the display jig ...

Страница 10: ...1 9 3 After USB display SER will be display 4 MICO display during update It will take less then 5 minute 5 After update display jig and main set will be power off ...

Страница 11: ...te please remove USB memory 1 Power on the main set again 2 Power on the sound plate and you can see massage of the display jig If display jig does not display anything please check the connection of display jig and cable and main set again ...

Страница 12: ...B memory in display jig DSP file must be inside of USB memory 4 Push continuallythe button at the back side of main set and push continually the 7 button of bar remote control until USB massage is diplay in the display jig ...

Страница 13: ...1 12 5 After USB display SER will be display 6 DSP display during update 7 After DSP display FLAS display during update It will take less then 5 minute ...

Страница 14: ...1 13 8 After update display jig and main set will be power off ...

Страница 15: ... please remove USB memory 1 Power on the main set again 2 Power on the sound plate and you can see massage of the display jig If display jig does not display anything please check the connection of display jig and cable and main set again ...

Страница 16: ...B memory in display jig EQ file must be inside of USB memory 4 Push continuallythe button at the back side of main set and push continually the 7 button of bar remote control until USB massage is diplay in the display jig ...

Страница 17: ...USB display SER will be display 6 EQ display during update It will take less then 1 minute 7 After update display jig and main set will be power off After update please remove the display jig and cable from main set ...

Страница 18: ...erating temperature 5 C to 35 C 41 F to 95 F Operating humidity 5 to 90 INPUTS DIGITAL IN OPTICAL IN 3 3 V p p Optical jack Available Digital Input Audio Sampling Frequency 32 kHz 44 1 kHz 48 kHz 96 kHz AMPLIFIER Total output 120 W Stereo mode 20 W x 2 8 Ω at 1 kHz Surround mode 20 W x 2 8 Ω at 1 kHz Built In subwoofer 40 W 4 Ω at 100 Hz THD 0 1 Designs and specifications are subject to change wit...

Страница 19: ...1 18 MEMO ...

Страница 20: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 3 1 CABINET AND MAIN FRAME SECTION LAP340 2 3 2 PACKING ACCESSORY SECTION 2 7 ...

Страница 21: ...2 2 MEMO ...

Страница 22: ...A B C D E A D F F E C B A46 255 255 A52 A51 482 482 465 465 A42 A44 260 A49 CABLE2 CABLE4 CABLE1 KEY B T LED MAIN CABLE5 CABLE5 465 465 465 EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION LAP340 ...

Страница 23: ...2 6 2 5 MEMO MEMO ...

Страница 24: ...g 802 Box 802A Accessory box 803 Packing 300 Power cord 801 Owner s manual 806 Optical cable 829 Cable ties for arranging cables 2 808 Battery 829A Cable holder 900 Remote control 826 Filter Ferrite Core 2 PACKING ACCESSORY SECTION ...

Страница 25: ...2 8 MEMO ...

Страница 26: ... LED 3 13 3 AUDIO PART OPTICAL INPUT 3 14 4 AUDIO PART BT UART INPUT 3 14 5 SYSTEM PART DAC INTERFACE 3 15 6 SYSTEM PART DSP X TAL I O 3 15 7 AUDIO PART DSP I2S 3 16 8 AUDIO PART DAC OUTPUT 3 16 9 AUDIO PART LINE DRIVER OUTPUT 3 17 10 AUDIO PART VOLUME IC OUTPUT 3 17 11 AUDIO PART AMP IC OUTPUT 3 18 WIRING DIAGRAM 3 19 BLOCK DIAGRAM 3 21 CIRCUIT DIAGRAMS 3 23 1 MAIN SMPS CIRCUIT DIAGRAM 3 23 2 MAI...

Страница 27: ...e it Main board top view Case 1 Case 3 Case 2 wX zX wY wZ j WX XWWW mVY W hj y YW r Y j YW XW mV ZW mi YW k WX X mi WZ i YWXYTXYXm y W YY y _ U k X ztmiX y XX U r j WY XWWW mVY W hj y YX XW x WY r jZY i l j y YY Xr k WZ i _ TjYY k WY WY ZZ j YX mV W j XY YYWwmVXr k YX ysXW m k W i _ TjYY k YY ysXW m y X YYW j W YYWW mG x WX zwhW_u_WjZ Zn Xz Yk j XX YYWwmVXr o WX Xr knuk j X W mG y _ Y r X Y y XZ X...

Страница 28: ...lution Replace IC100 on main board 2 2 How to troubleshoot Countermeasure 1 Please Check 3 7 VA yellow signal 2 3 7 VA abnormal condition Ö Check IC604 or SMPS parts 3 3 7 VA normal 3 3 VA is abnormal conditions Ö Check IC100 working status Main board top view IC604 IC100 3 7VA 3 3VA ...

Страница 29: ...ck below procedure 2 Check power IC701 Pin3 IC700 Pin2 IC601 Pin3 3 Normal power output conditions Ö Check IC705 analog output Pin9 10 1 2 3 4 33 34 35 36 4 Abnormal analog output conditions Ö Try replacing IC705 5 After changing it if the audio is still issued Check line driver IC702 IC703 IC704 s block Check volume IC IC709 s block Check AMP IC IC706 IC707 IC708 block Main board top view IC707 I...

Страница 30: ... on main board 4 2 How to troubleshoot Countermeasure 1 Please check JK301 s Pin1 optical input signal 2 Abnormal optical signal input condition Ö Check JK301 working status 3 Normal optical signal input abnormal IC301 operation conditions Ö Check IC301 IC303 4 Normal IC301 operation conditions Ö Check no audio output sheet Main board top view IC301 IC303 JK301 ...

Страница 31: ...n board 5 2 How to troubleshoot Countermeasure 1 Please check CN302 s Pin5 7 BT UART AUDIO 2 Abnormal BT UART signal input output conditions Ö Try replacing CN302 or BT Module 3 Normal BT UART signal input output conditions Ö Check IC301 IC303 working status 4 Normal IC301 operation conditions Ö Check no audio output sheet Main board top view CN302 IC301 IC303 ...

Страница 32: ...ESHOOTING GUIDE No 20 VA Replace Q901 Q902 normal Check or replace Q902 Power line of main PCB is short Replace D951 D952 Replace IC901 Q901 normal Is the VCC 11 V 25 V supplied to IC901 Pin5 D951 D952 normal IC901 normal NO NO NO NO YES YES YES YES NO ...

Страница 33: ...main PCB Check IC604 working status Re soldering or replace Check IC104 working status Check MICOM working status and replace Check IC601 and replace Is 20 V supplied to IC604 Pin2 Is IC601 Pin1 is High Is 3 7 V at L609 Is there good soldering status IC709 Is 3 3 V supplied to IC104 Pin3 NO NO NO NO NO YES YES YES YES YES ...

Страница 34: ...atus Check IC302 working status Check IC303 working status Check IC700 working status Check IC603 working status Check IC602 working status Is 20 V supplied to IC603 Pin2 Is 3 3 V at IC301 Pin97 Is 3 3V at IC302 Pin1 Is 3 3 V at IC303 Pin8 Is 9 5 V at L608 Is 3 3 V at L600 NO NO NO NO NO NO YES YES YES YES YES YES ...

Страница 35: ...RT Power On It works properly Check IC104 Replace X100 Check CN800 Replace IC100 R5F100GEAFB Check Q800 LED blinking at the front NO Main Board Front Board NO NO NO IC100 3 3V_MICOM 3 3 V OK X100 20 000 MHz OK Work properly CN800 Pin1 YES YES YES YES ...

Страница 36: ...ction BT function Check JK301 or 3 3VA_MICOM Check BT module or replace Check IC303 or replace Check IC301 or replace Check IC301 or replace JK301 Pin1 OPT_IN signal OK CN302 Pin5 7 9 10 signal OK IC303 Pin1 2 signal OK IC301 Pin52 53 54 I2S signal OK IC301 Pin52 53 54 I2S signal OK NO NO NO NO NO YES YES YES YES YES A A ...

Страница 37: ...r replace Check connector status Check speaker unit or replace Check DAC OUT audio trace or replace IC702 Check IC709 or replace IC705 Pin1 2 signal OK IC706 708 Pin29 27 21 23 OK CN701 CN702 signal OK IC702 Pin3 signal OK IC709 Pin14 18 signal OK NO NO NO NO NO YES YES YES YES YES ...

Страница 38: ... X W w Z X k V W W p V W W w Z wX W Z wXYWVhupX Z_ w XV pW V vW Z w WV vvsW W ylzl X wXY V YVl jsrz Y wXYZV X Z wXZ Vpu wW wXYYV YVl jsr wXYXV X ylnj zz _ kk rk XZ Ty rVw YWto XWW X Y Z jhXWX m 1 yltvjvu lpp ylzl w y j ys ZUZ w y j ys zwp jz zwp zv zwp zp llwyvt jsr i yz slk ylk zwp jsr khj zjs knuk knuk knuk knuk knuk knuk knuk knuk jj Z Z jj ZUZ h tpjvt ZUZ h tpjvt yX U r yX Y U r yXW XWW yXWX X...

Страница 39: ... zi kw XX kk XX kZZ XX zzV zZZ XX kth XX_ kth XX z zjsr XYW kth XYX kth XYY kth _ XYZ zzV zZZ XY kth XY kth XX XY kth Z XY kk XY_ kth Y yZXX XWW knuk jZ X m yZZ yZ U r knuk yZX uj kZZ khj kkXZ hhkj kZZhhkj kZZwss jjZZ zi sZWX i YWXYTZWX jZ XW m ZUZ h tpjvt i jj jZ _ XWW m jZ W XW m jZ XW m jZ XW m i yz j z y z hy v nuk i hy pu knuk qrZWX X Y Z ZUZ h tpjvt sZWW i YWXYTZWX jZ XWW m knuk knuk jZ X m ...

Страница 40: ... j ys i yz khj yz khj jz khj zjs khj zkh vw t l vs jz htw t l zwp zv htw mh s vw kl X zi kw zi ku hy y jspw z jspw myvu lzz_ W wv ly htw khj 14 z zjsr lzz tjsr ZWW Y to knuk yZ XWWr jZX XWW m jZX XWW m jZWZ XW m jZW XW m k pjZWX lz_ Wkzj Y kZZhkhj Z zZZhkhj khj vYy khj vZs khj vZy khj v s _ khj v y khj v s _W khj v y _X khj v s _Y kZZhkhj _Z zZZhkhj _ khj v y _ khj v s _ khj v y _ khj v_s __ khj v...

Страница 41: ... zwp kv _ kk zwkpm v W vw W puw X vw X Y vw Y Z vw Z vw vw vw vw v w _ kk zy XW W zy XX X zy XY Y zy XZ Z zy YX kZZ zzV zZZ zy X yZYZ XWW knuk knuk knuk kkZZ yZ uj W yZ yZ U r yZ XWW yZ W XWW kkZZ yZ X U r yZ U r uiYWZWh v 19 zsT zsR msR msT khj ms khj ys vs jz vw t l vw t l pj WY ky ZY X Rpuy Y Tpuy Z v y nuk XX w XY v s XZ Tpus X Rpus t l zz ju _ jw kk XW nuk hnuk hnuk hnuk hnuk h jj ZUZ j m XWW...

Страница 42: ... W m j h Y W m j hZ Y W m j rZ YUY m j rX YUY m y h XWr j Z X m j Z X m j Z X m j Z_ X m y XWW XWW m hnuk j _Z XWW m hnuk j _Y XWW m 21 khj zkh khj zjs vs ms vs ys vs z vs my vs yy vs jz khj ms khj ys khj z khj my khj yy jj _ y XWW y XWW j s XW m hnuk j m XWW m j XW m y h YUYr j yW X m j s X m j s X m j s_ X m j s X m j X m j X X m j X m j W X m j Z X m pj W ikZ Wmz X v zX X pumX XX upuX YZ nuk Z ...

Страница 43: ... XWW m o j m W W X W o j m W W X j o XWW m myT yyR yyT myR myvT myvR yyvR yyvT j yX W m j r W m j sZ W m j r_ W m _ X y Z U Z X l j m W X y YZ ZUZ j j_ XW m j j m W X Y y Z U Z y X ZUZ j lW XW m wnuk wnuk s W_ zmhkXWXZkTXWWh Z X Y s W zmhkXWXZkTXWWh Z X Y ...

Страница 44: ...MAIN FR 4 4LAYER 1 2T Bluetooth KEY LED RCU CNT SMPS CNT CNT CNT FL SL UNIT FR SR UNIT SW UNIT SW UNIT FFC FFC CNT 3 20 3 19 WIRING DIAGRAM ...

Страница 45: ...L LPF AMP_PDN AMP_MUTE 27MHZ M24C16 RMN6TP TACT KEY 4EA DAC_RST DAC_CS DAC_SCL DAC_SDA Diff _FL Diff _FL Diff _SL Diff _SL EM638165TSA 6G SMPS 24V AMP TPA3118D2 AMP TPA3118D2 SL LPF SW LPF FR LPF Filter Filter Filter Volume Diff _SW Diff _SW Diff _FR Diff _FR Diff _SR Diff _SR S E_FL S E_FL S E_SL S E_SL S E_SW S E_SW S E_FR S E_FR S E_SR S E_SR AMP_FAULT VOL_CS DAC_SCL DAC_SDA RCU LED LED Yellow ...

Страница 46: ...ROM THE LG CORPORATION ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION 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 LITERATU...

Страница 47: ...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 POWER EAX65361601_15 1 6_Main_SD_5 2013 10 10 3 26 3 25 2 MAIN POWER CIRCUIT DIAGRAM ...

Страница 48: ...13 12 10 11 1 2 3 WAVEFORM NUMBER A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T MICOM EAX65361601_15 1 6_Main_SD_2 2013 10 10 3 28 3 27 3 MAIN MICOM CIRCUIT DIAGRAM ...

Страница 49: ...7 8 9 4 6 14 5 18 16 17 WAVEFORM NUMBER A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T AUDIO DSP EAX65361601_15 1 6_Main_SD_3 2013 10 10 3 30 3 29 4 MAIN AUDIO DSP CIRCUIT DIAGRAM ...

Страница 50: ...19 15 21 22 20 WAVEFORM NUMBER A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T DAC AMP EAX65361601_15 1 6_Main_SD_4 2013 10 10 3 32 3 31 5 MAIN DAC AMP CIRCUIT DIAGRAM ...

Страница 51: ...A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T KEY EAX65425901_15 1 7_Key_SD 2013 10 10 LED EAX65378501_15 1 7_LED_SD 2013 10 10 3 34 3 33 6 LED CIRCUIT DIAGRAM 7 KEY CIRCUIT DIAGRAM ...

Страница 52: ...1 IC Digital Signal Proces sors 12 23 48 58 90 114 127 1 35V VDD 5 1 35V 14 28 45 64 93 115 3 3V VDD 5 3 362V 72 82 3 3V ADAC 5 3 362V 95 3 3V PLL 5 3 362V 97 3 3V AADC 5 3 362V 104 1 35V AADC 5 1 35V 111 3 3V USB 5 3 362V 110 3 3V VDAC 5 3 363V IC302 IC SDRAM 1 3 9 14 27 43 49 3 3V VDD 0 3V 3 363V IC303 IC Serial Flash Memory 8 3 3V VDD _ 2 7V 3 6V 3 364V IC603 IC DC DC Converter 2 20V_ 3 5V 42V ...

Страница 53: ...3 38 3 37 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...

Страница 54: ...3 40 3 39 MAIN P C BOARD BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Страница 55: ...3 42 3 41 2 LED P C BOARD 3 KEY P C BOARD TOP VIEW TOP VIEW BOTTOM VIEW BOTTOM VIEW ...

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