LG XA64 Series Скачать руководство пользователя страница 9 | Manualshive

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SECTION 2

CABINET & MAIN CHASSIS

CONTENTS

EXPLODED VIEWS

..................................................................................................................................... 2-3

1. CABINET AND MAIN FRAME SECTION ................................................................................................. 2-3
2. SPEAKER SECTION ................................................................................................................................ 2-7
3. PACKING ACCESSORY SECTION ......................................................................................................... 2-8

2-1

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Содержание XA64 Series

Страница 1: ... MANUAL MODEL XA64 XAS64F CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL XA64 XAS64F SERVICE MANUAL 9 0 0 2 NOVEMBER 974 0 5 2 3 7 N F A O N P Website http biz lgservice com Internal Use Only ...

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

Страница 3: ...VICING GUIDELINES FOR A V PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES SERVICE INFORMATION FOR EEPROM 1 5 PROGRAM UPDATE GUIDE 1 6 SPECIFICATIONS 1 7 1 2 ...

Страница 4: ...d 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 should touch a hig...

Страница 5: ...clude 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 The following techniques s...

Страница 6: ...ess POWER key once FLD write ok Move to appropriate position and make changes with remote control REPEAT PLAY BWD SKIP FWD SKIP FLD no disc status Front STOP Remote control FWD SKIP push same timing during 5s DETECT NEW EEPROM OPTION EDIT SCREEN NAME HEX OP0 xx OP1 xx OP2 xx 1 5 ...

Страница 7: ...d 2 HOW TO UPDATE SANYO PROGRAM 1 Change the file name to download as MODEL NAME _ Version HEX in upper cases ex XA64 XA64_0809262 HEX 2 Copy the file to the root folder of USB storage 3 Put the USB into the set Then the upgrade process will be started with the upgrade information 4 If the upgrade process is complete the set will be rebooted with Complete message 3 HOW TO UPDATE MCS PROGRAM 1 Chan...

Страница 8: ... AM Tuning Range 522 1 620 KHz AMPLIFIER Output Power 30 W 30 W T H D 0 5 Frequency Response 50 Hz 20 KHz Signal to noise ratio 70 dB CD Frequency response 100 Hz 18 KHz Signal to noise ratio 70 dB Dynamic range 55 dB SPEAKERS Type 2 Way 2 Speaker impedance 6 Ω Rated Input Power 30 W Max Input Power 60 W Net Dimensions W x H x D 150 x 243 x 180 mm Net Weight 2 08 kg Note Design and specifications ...

Страница 9: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 3 1 CABINET AND MAIN FRAME SECTION 2 3 2 SPEAKER SECTION 2 7 3 PACKING ACCESSORY SECTION 2 8 2 1 ...

Страница 10: ...G F H G H F C K D I E K J E B A J L 261 260 453 453 453 453 451 451 452 453 452 453 451 453 452 452 455 452 A26 258 A43 A41 257 255R 255L 259L 259R A42 266 A47 454 454 262 263 CABLE1 CABLE2 CABLE3 A45 264 268 267 300 266 254 250 252 251 252 253 256 MAIN MCU SMPS USB DISPLAY KEY ...

Страница 11: ...2 7 2 SPEAKER SECTION A60L A60R ...

Страница 12: ...2 8 3 PACKING ACCESSORY SECTION Battery 808 Remote controller 900 Instruction Ass y 801 Packing 803 Box 802 Bag 804 ...

Страница 13: ...13 2 SPINDLE DRIVE MOTOR WAVEFORM 3 13 3 CD PLAYING WAVEFORM 3 14 4 CD STOP ACTION WAVEFORM 3 15 5 CD READING WAVEFORM 3 15 6 CD PLAYING RF WAVEFORM 3 16 7 USB OPERATING WAVEFORM 3 17 8 RADIO OPERATING WAVEFORM 3 17 WIRING DIAGRAM 3 19 BLOCK DIAGRAMS 3 21 CIRCUIT DIAGRAMS 3 23 1 SMPS CIRCUIT DIAGRAM 3 23 2 MAIN CIRCUIT DIAGRAM 3 25 3 MAIN CD CIRCUIT DIAGRAM 3 27 4 MCU CIRCUIT DIAGRAM 3 29 5 FRONT ...

Страница 14: ...YES YES YES YES YES YES NO NO NO NO Is F901 nomal Is D914 nomal Is RT901 nomal Is VSTR 130V 310V supplied to IC901 pin5 Replace BD901 Replace IC903 PC903 Is D906 R907 nomal NO NO NO NO Is BD901 nomal Is IC903 PC903 nomal Is Vcc 9V 25V supplied to IC901 pin2 Power line of main PCB is short 3 2 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 15: ... YES YES NO YES Mute Replace Q704 Q705 Check U600 pin17 Check R622 Check IC603 pin69 Replace R622 NO NO NO NO Check Low of Q704 Q705 C Does High appear at Q704 Q705 B Mute 3 3 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 16: ...tion input YES YES YES YES YES NO NO Check the output U702 pin2 4 8 10 Check the DC 9 5V of U503 pin24 Check the High of U702 pin5 Check ZD703 D705 NO NO Check the input signal of U702 pin7 11 Check the DC 12V of R701 Check the power circuit 3 4 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 17: ...of U502 pin55 57 and refer to CD trobleshooting Check the output signal of U503 pin19 23 Check the output signal of U503 pin19 23 Check the output signal of U503 pin19 23 YES YES YES NO NO NO Check the input signal of U503 pin7 8 Check the input signal of U503 pin1 2 Check the input signal of U503 pin3 4 3 5 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 18: ...heck or replace R302 Check IC603 pin91 STB pin57 Data pin56 CS YES YES NO YES NO NO Check the power supply to IC301 pin9 50 51 Check IC301 pin7 FOSC Check CON301 pin7 STB pin8 Data pin9 CS NO NO Check IC301 pin1 CS pin3 STB pin2 4 Data OK 3 6 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 19: ...and replace Q600 Check or replace L600 YES YES YES YES NO NO Check both end voltage Q600 3 3V Check IC604 pin13 is 3 3V Check IC603 pin5 is H check and replace Q601 Check or replace X601 NO NO Check Q601 is H Check IC600 pin1 6 and X601 operation OK 3 7 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 20: ... MCU IC603 OK IC603 troubleshooting Refer both end voltage of IC501 IC605 3 3V 1 2V Check or replace X600 YES YES YES YES NO NO Check both end voltage of IC605 1 2V 3 3V Check IC603 pin111 112 X600 operation Check or replace R601 Check IC602 reset circuit NO NO Check IC603 pin13 47 94 120 122 124 voltage 1 2V are in When power supply to IC603 pin107 Low High OK 3 8 ELECTRICAL TROUBLESHOOTING GUIDE...

Страница 21: ...h Check or replace U503 Check the operation YES YES YES YES YES YES NO NO NO Check the power supply to U503 pin24 Check the power supply of TU101 pin3 Check the control function Check JK501 pin47 48 Vol_CLK Vol_Data JK600 pin20 21 NO NO Check the SCL SDA data of U503 pin25 26 Check TU SCL TU SDA OK OK 3 9 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 22: ...nt Check U504 BA5826 Check U502 YES YES YES YES YES NO Check open close Check connector CN702 open 0V close 1 5V Check U502 pin55 57 Check connector CN503 NO NO NO NO NO NO Check READING display If play check audio output Check reading OK OK 3 10 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 23: ...ick up or U502 U504 Defective pick up or U502 U504 YES YES YES YES YES Check CN500 pin3 4 SL SL Check CN503 pin13 16 F F Check CN503 pin10 LD Check CN500 pin1 2 SP SP Check CN503 pin14 15 T T Is reading OK NO NO NO NO NO NO NO NO NO NO Does sled motor move Does the laser move Does laser light Does the spindle motor rotate 3 11 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 24: ...U502 pin55 57 Check power supply circuit USB 5V Check CN401 pin3 4 D D Check U503 pin3 4 Check uCOM IC603 pin116 117 D D Check uCOM IC603 pin116 117 D D NO NO NO NO NO NO Check CHECKING or USB display Check reading OK If play check audio output OK 3 12 ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 25: ...1 CD SEARCHING WAVEFORM 1 U502 PIN61 EE 7 U504 PIN2 SP 4 U504 PIN27 SL 5 U504 PIN26 SL 6 U504 PIN1 SP 2 U502 PIN62 TE 3 U502 PIN60 FE 2 SPINDLE DRIVE MOTOR WAVEFORM 3 13 WAVEFORMS ...

Страница 26: ...3 CD PLAYING WAVEFORM 8 9 10 11 U502 PIN62 TE U502 PIN61 EE U502 PIN60 FE U504 PIN2 SP 12 U502 PIN14 TD 13 U502 PIN13 FD 3 14 ...

Страница 27: ...4 CD STOP ACTION WAVEFORM 15 14 16 17 U504 PIN26 SLE U504 PIN2 SP U504 PIN11 T U504 PIN18 F 5 CD READING WAVEFORM 18 19 20 21 U502 PIN41 MCK U502 PIN19 DIN U502 PIN20 R W U502 PIN21 BUSY 3 15 ...

Страница 28: ...22 23 24 25 U502 PIN39 LRCK U502 PIN40 BCK U502 PIN41 MCK U502 PIN38 DATA 6 CD PLAYING RF WAVEFORM 26 U502 PIN63 RF 3 16 ...

Страница 29: ...7 USB OPERATING WAVEFORM 27 28 29 CON4 PIN2 D CON4 PIN1 5V CON4 PIN3 D 8 RADIO OPERATING WAVEFORM 30 31 32 U701 PIN2 DA U701 PIN8 RST U701 PIN1 SCK 3 17 ...

Страница 30: ...01 9 XA640004R FRONT PCB SMPS PCB MAIN PCB MCU PCB 7 05 1 CDM33001R 16P FFC 6P WIRE 2P WIRE 4P WIRE 6P WIRE 3P WIRE 7P WIRE 10P WIRE B T B CNT 7 01 2 XA640004R Front PCB 7 01 8 XA640004R KEY PCB 4P WIRE 7 01 5 XA640004R Earphone PCB 6P WIRE 3P WIRE MD ASSY WIRING DIAGRAM ...

Страница 31: ...FL FR FL FR BD3490 VOL MUX EQ IIC SMPS 5V CD USB L R MUL L R TUNER KEY PT TU SDA TU SCL RESET RDS_CLK TUNER L R PORTABLE IN USB IR D D VFD DISPLAY PT6324 VFD DRIVER LCD_STB DO CLK 6 OHM 30W MCK BU9543KV RF SERVO DSP MD SWITCH RESET IIC R W BUSY DATA SUBQ IIS CLK IIS 8M SERIAL NOR FLASH SST25VF080B 1 16M SDRAM DUAL INVERT 74LCV2G04 11 2896MHZ F F VCC VCC 24V CD DOOR DRIVER TA7291 M M MCK CD TRAY DO...

Страница 32: ... 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 LITERATURE IS PRINTED 1 Shaded parts are critical for safety Replace only with s...

Страница 33: ...3 25 3 26 2 MAIN 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 31 32 30 ...

Страница 34: ...3 27 3 28 3 MAIN CD 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 13 26 18 24 23 15 22 25 2 5 17 16 4 6 14 11 7 8 1 9 3 10 12 19 20 21 ...

Страница 35: ...3 29 3 30 4 MCU 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 ...

Страница 36: ...3 31 3 32 5 FRONT USB HEADPHONE 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 27 28 29 ...

Страница 37: ...2 15 19 2 15 20 2 15 21 2 15 22 2 15 23 2 15 24 2 15 25 2 15 26 2 15 27 2 15 28 0 89 29 0 89 30 3 25 31 DGND 32 46 0 9 47 1 2 48 DGND 49 3 02 50 3 09 51 3 25 52 DGND 53 1 53 54 1 53 55 2 93 56 2 93 57 2 93 58 3 25 59 3 25 60 62 3 25 63 1 36 PIN NO TEST VOLT V 64 2 12 65 2 68 66 0 01 67 1 31 68 0 01 69 3 18 70 0 28 71 3 21 72 0 47 73 3 21 74 3 24 75 3 25 76 3 25 77 3 3 78 2 12 79 0 01 80 0 02 81 3 ...

Страница 38: ...3 35 3 36 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW 6 5 4 3 2 1 A B C D E F G 6 5 4 3 2 1 A B C D E F G ...

Страница 39: ...3 37 3 38 2 SMPS P C BOARD 3 MCU P C BOARD TOP VIEW BOTTOM VIEW 3 2 1 A B C 3 2 1 A B C 6 5 4 3 2 1 A B C D E F G H G ...

Страница 40: ...3 39 3 40 4 KEY P C BOARD 5 FRONT P C BOARD 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 ...

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