LG NB3532A Скачать руководство пользователя страница 10

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300

A44B

A44A

250L

250R

254

A42

463

A53

A54

256

254

A47

502

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A46

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502

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465

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CABLE5

CABLE7

CABLE2

CABLE3

CABLE1

SMPS

MAIN

FRONT

B/T

WIRELESS

A43

EXPLODED VIEWS

1. RECEIVER BAR SECTION (NB3532A)

NOTES)

THE EXCLAMATION POINT WITHIN AN
EQUILATERAL TRIANGLE IS INTENDED
TO ALERT THE SERVICE PERSONNEL
TO THE PRESENCE OF IMPORTANT
SAFETY INFORMATION IN SERVICE
LITERATURE.

Содержание NB3532A

Страница 1: ...WSTYLISH SLIMSOUNDBAR SERVICE MANUAL MODEL NB3532A NB3532A S33A1 D CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com Internal Use Only MODEL NB3532A NB3532A S33A1 D 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 MICOM HIDDEN KEY MODE 1 4 UPDATE PROGRAM 1 5 SERVICE INFORMATION FOR EEPROM 1 5 SPECIFICATIONS 1 6 ...

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: ...nt Stop RMC 0 for 5s auto exit E2P CLEAR EEPROM initializing EEPROM EDIT Front Stop RMC 2 for 5s Toggling OP0 10 Edit Micom option Wireless spk remate Front Stop RMC mute Toggling REMATE Connecting Wireless spk to main set Clip Off Front Stop RMC 8 for 5s Toggling CLIP OFF To Test output etc Monitoring Changed Gain at Clip ON Front Stop RMC 8 for 5s Toggling 0 0 dB Monitoring Changed Gain at Clip ...

Страница 6: ...ICOM UP DISPLAY Ö AFTER UPDATE THE SET POWER OFF AUTOMATELY 2 DSP BOOTING Ö FUNCTION DISPLAY Ö USB FUNCTION Ö CONNECTING THE USB Ö DSP UP DISPLAY Ö AFTER UPDATE THE SET POWER OFF AUTOMATELY 3 TOUCH BOOTING Ö FUNCTION DISPLAY Ö USB FUNCTION Ö CONNECTING THE USB Ö T UP 00 T UP 90 DISPLAY Ö AFTER UPDATE THE SET POWER OFF AUTOMATELY SERVICE INFORMATION FOR EEPROM FACTORY RESET SET STOP KEY REMOCON 2 A...

Страница 7: ... DIGITAL IN OPTICAL IN 3 0 Vrms p p Optical jack x 2 PORT IN 0 5 Vrms 3 5 mm stereo jack AMPLIFIER Stereo mode 80 W 80 W 4 Ω at 1 kHz THD 10 Subwoofer 140 W 3 Ω at 60 Hz THD 10 WIRELESS SUBWOOFER Power requirements 120 V 60 Hz Power consumption 40 W Type 1 Way 1 Speaker Impedance 3 Ω Rated Input Power 140 W Max Input Power 280 W Dimensions W x H x D 196 x 390 x 297 mm 7 7 x 15 4 x 11 7 inches Net ...

Страница 8: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 3 1 RECEIVER BAR SECTION NB3530A 2 3 2 WIRELESS SUBWOOFER SECTION S33A1 D 2 5 3 PACKING ACCESSORY SECTION 2 7 ...

Страница 9: ...2 2 MEMO ...

Страница 10: ...5 251 252 253 463 502 502 502 253 CABLE5 CABLE7 CABLE2 CABLE3 CABLE1 SMPS MAIN FRONT B T WIRELESS A43 EXPLODED VIEWS 1 RECEIVER BAR SECTION NB3532A NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE ...

Страница 11: ...50 951 A54W A900 953 A900A A910 E 300W F D C B A AMP 950 A45W 2 WIRELESS SUBWOOFER SECTION S33A1 D NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE ...

Страница 12: ... 7 804 Bag 802 Box 803 Main packing 803A Packing Pad 808 Batteries 806 Optical cable 835 Wall bracket 801 Owner s manual 900 Remote control 829 Cable ties for arranging cables 3 PACKING ACCESSORY SECTION ...

Страница 13: ...2 8 MEMO ...

Страница 14: ... MAJOR CHECK POINT 3 11 WIRING DIAGRAMS 3 15 1 RECEIVER BAR WIRING DIAGRAM 3 15 2 WIRELESS SUBWOOFER WIRING DIAGRAM 3 17 BLOCK DIAGRAMS 3 19 1 RECEIVER BAR BLOCK DIAGRAMS 3 19 2 WIRELESS SUBWOOFER BLOCK DIAGRAM 3 23 CIRCUIT DIAGRAMS 3 25 1 RECEIVER BAR CIRCUIT DIAGRAMS 3 25 CIRCUIT VOLTAGE CHART 3 37 PRINTED CIRCUIT BOARD DIAGRAMS 3 41 1 RECEIVER BAR PRINTED CIRCUIT BOARD DIAGRAMS 3 41 ...

Страница 15: ... 1 1 1 Solution Replace F900 BD900 IC920 PC900 IC950 1 1 1 2 How to troubleshoot Countermeasure Case 1 No Standby LED Check F900 BD900 IC920 and around components Ö Replace these Case 2 23 5 VA abnormal Check PC900 IC950 Ö Replace these 1 1 1 3 Service hint Any picture Remark SMPS board top view BD900 F900 IC920 PC900 IC950 BD900 F900 IC920 PC900 IC950 ...

Страница 16: ...802 on MAIN board 1 2 1 2 How to troubleshoot Countermeasure 1 Please check T801 voltage 12 V Please check CA807 Vkk CA805 FL CA806 FL 2 If you cannot get 12 V IC802 has problem If 12 V is OK and VKK Fl FL is not working T801 is out of order 1 2 1 3 Service hint Any picture Remark MAIN board top view MAIN board bottom view T801 IC802 ...

Страница 17: ...sure 1 Please check Portable input and Optical Input Please check ADC output Pin9 10 13 I2S signal Please check DSP input Pin80 94 S PDIF signal 2 If you cannot find input signal replace Portable Optical Jack If you cannot find ADC output I2S signal replace IC304 If you cannot find DSP input S PDIF signal replace IC301 1 3 1 3 Service hint Any picture Remark MAIN board top view IC301 IC304 ...

Страница 18: ...nction 1 3 2 1 Solution Replace IC301 on MAIN board 1 3 2 2 How to troubleshoot Countermeasure 1 Please check IC301 Pin112 113 USB data signal If you cannot find IC301 USB data signal replace IC301 1 3 2 3 Service hint Any picture Remark MAIN board top view IC301 ...

Страница 19: ...4 1 2 How to troubleshoot Countermeasure 1 Please check IC301 Pin71 74 and 69 70 or IC701 Pin5 6 and 14 15 PWM signal output or input 2 If you cannot find PWM signal replace IC301 If you can find signal PWM replace IC701 1 4 1 3 Service hint Any picture Remark MAIN board top view MAIN board bottom view IC301 IC701 ...

Страница 20: ...1 POWER SUPPLY ON SMPS BOARD No 24 VA Replace F900 same fuse Check or replace D921 Replace BD900 YES YES YES NO NO F900 normal BD900 normal Replace TH900 D921 normal YES YES YES NO NO TH900 normal Is the Vcc 12 V 24 V supplied to IC920 Pin4 Power Line of Main PCB is short ...

Страница 21: ...MPS Replace X100 Check CN303 Replace IC301 FLD Driver WELCOME Display on FLD OK IC101 3 V_MICOM 3 3 V OK 3V_MICOM FL FL OK X101 20 000 MHz OK 3401_RX 3401_CLK 3401_STB OK IC301 Data Output to VFD OK NO NO NO NO NO NO YES YES YES YES YES Replace IC100 UPD78F1165 Check VFD YES MAIN board FRONT board ...

Страница 22: ...ES YES YES NO NO IC301 Pin112 113 USB_IN signal OK IC304 Pin1 2 PTB input signal OK Check IC301 or replace Check IC304 YES YES NO NO IC301 Pin69 70 71 74 PWM Signal OK IC304 Pin 9 10 13 I2S output signal OK Check AMP IC output stage and speaker terminal Check AMP IC output stage and speaker terminal 1 3 NO AUDIO OUTPUT ...

Страница 23: ...R TROUBLESHOOTING Check AMP IC output stage and speaker terminal Optical function Check JK301 JK302 or replace YES YES NO IC301 Pin35 94 OPT_IN signal OK Check IC301 or replace YES NO IC301 Pin69 70 71 74 PWM signal OK ...

Страница 24: ...3 11 WAVEFORMS OF MAJOR CHECK POINT 1 SYSTEM PART 1 X TAL FIG 1 1 MICOM IC100 R5F100GEAFB DSP IC301 ES8690 FIG 1 2 1 2 1 2 ...

Страница 25: ...3 12 2 SYSTEM PART 2 I2S SIGNAL FIG 2 1 DSP IC301 ES8690 4 3 3 4 ...

Страница 26: ...3 13 FIG 2 2 DSP IC301 ES8690 5 6 5 6 ...

Страница 27: ...3 14 MEMO ...

Страница 28: ...6036 0 1 3 6 QFWNG 9KTGNGUU QFWNG 5217 728 3 237 237 37 2 VQ CNG 3 3 3 2 VQ GOCNG 63 63 5 1 1 1 1 1 31 86 3 16 3 15 WIRING DIAGRAMS 1 RECEIVER BAR WIRING DIAGRAM ...

Страница 29: ...9KTGNGUU 5WD 9QQHGT 5 25 2 2 9KTGNGUU QFWNG 2 0 20 0 9 0 9 0 9 0 9 0 9 52 2 4 5 6 2 9 0 2 9KTGNGUU 2 CTPGUU 5KPING 3 18 3 17 2 WIRELESS SUBWOOFER WIRING DIAGRAM ...

Страница 30: ... 2 46 5 25 126 126 5 5 l Gpp 5 4 5 9KTGNGUU QFWNG 9KTGNGUU 6 9KTGNGUU QFWNG 4 241 0 126 0 52 29 75 6 52 5 EJ 29 2 6 5 28 8 5 9 4 4 8 4 4106 2 46 4106 7 46 PCNQI 5 4 57 911 4 2146 2 8 3 20 3 19 BLOCK DIAGRAMS 1 RECEIVER BAR BLOCK DIAGRAMS 1 1 OVERALL BLOCK DIAGRAM ...

Страница 31: ... 8 1 4 75 CEM 2 6 5 8 8A 8 8 6 1 7 9 8 75 A 8 8 8 O 9 A 8 8 8 8 5 5 52 5 5 5 4 65 8 617 5VCPFD O 2 O 8 O 8 O 8 8 8 4 8 4 8 8 3 22 3 21 RECEIVER BAR BLOCK DIAGRAMS 1 2 POWER BLOCK DIAGRAM ...

Страница 32: ... 2 6 5 6XE ZRRIHU 25 w tGpj 9KTGNGUU QFWNG 9KTGNGUU 4 9 7 5 4 5 29 5 9 57 911 4 2 5 25 28 8 8 8 8 8A29 28 8 28 8 3 24 3 23 2 WIRELESS SUBWOOFER BLOCK DIAGRAM ...

Страница 33: ...UMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITH OUT PERMISSION FROM 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 PERFORMAN...

Страница 34: ...1 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 EAX65067301_4 1 3_MAIN_SD_1 2012 12 20 WAVEFORM NUMBER 3 28 3 27 RECEIVER BAR CIRCUIT DIAGRAMS 1 2 MAIN MICOM CIRCUIT DIAGRAM ...

Страница 35: ... 5 6 3 2 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 DSP EAX65067301_4 1 3_MAIN_SD_2 2012 12 20 WAVEFORM NUMBER 3 30 3 29 RECEIVER BAR CIRCUIT DIAGRAMS 1 3 MAIN DSP CIRCUIT DIAGRAM ...

Страница 36: ...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 AMP EAX65067301_4 1 3_MAIN_SD_3 2012 12 20 3 32 3 31 RECEIVER BAR CIRCUIT DIAGRAMS 1 4 MAIN AMP CIRCUIT DIAGRAM ...

Страница 37: ...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 EAX65067301_4 1 3_MAIN_SD_4 2012 12 20 3 34 3 33 RECEIVER BAR CIRCUIT DIAGRAMS 1 5 MAIN POWER CIRCUIT DIAGRAM ...

Страница 38: ...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 FRONT EAX65030201_6 1 4_FRONT_SD 2012 12 20 3 36 3 35 RECEIVER BAR CIRCUIT DIAGRAMS 1 6 FRONT CIRCUIT DIAGRAM ...

Страница 39: ... 5 00 5 220 VCC_3V3 4 PIN 0 4 0V 3 30 3 330 IC501 IC Display Driver MC3401 3 TO 5 5V 0 TO 33V 200mW LQFP TR 44P ABOV SEMICON DUCTOR CO LTD 3V_MICOM 44 PIN 0 3 7 0 3 30 3 280 IC502 IC Capacitive Touch Sensor TOUCHCORE380 8 BIT 3V_MICOM 24 PIN 1 71 5 5V 3 30 3 280 LOCATION NO DESCRIPTION SPECIFICATION DIVISION PIN NO SPEC ENG VOLTAGE REAL VOLTAGE IC701 IC Audio Amplifier TAS5612LADDVR 0 3 13 2 10 8 ...

Страница 40: ...0OHM 2A 5 42 5 41 0 018 0 01 L619 Filter Bead UBW2012 301 300OHM 2A 3 298 3 281 0 011 0 017 L620 Filter Bead UBW2012 301 300OHM 2A 1 353 1 336 0 005 0 017 L621 Filter Bead UBW2012 301 300OHM 2A 1 353 1 353 0 005 0 L622 Filter Bead UBW2012 301 300OHM 2A 12 19 12 18 0 041 0 01 L624 Filter Bead UBW2012 301 300OHM 2A 5 02 5 02 0 017 0 L625 Filter Bead UBW2012 301 300OHM 2A 3 335 3 335 0 011 0 L626 Fil...

Страница 41: ...3 41 PRINTED CIRCUIT BOARD DIAGRAMS 1 RECEIVER BAR PRINTED CIRCUIT BOARD DIAGRAMS 1 1 SMPS P C BOARD TOP VIEW BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Страница 42: ...3 44 3 43 RECEIVER BAR PRINTED CIRCUIT BOARD DIAGRAMS 1 2 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...

Страница 43: ...3 46 3 45 RECEIVER BAR PRINTED CIRCUIT BOARD DIAGRAMS 1 3 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...

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