LG LH-SW5100 страница 9 Скачать руководство пользователя

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- 2-1 -

SECTION 2. AUDIO PART

INSERT

POWER CORD.

TURN ON

THE RED LED?

IS POWER ON?

CHECK POWER PLUG

AND POWER SUPPLY CIRCUIT.

DOES INITIAL

READ WORK?

DOES IT PLAY?

YES

CHECK POWER SUPPLY CIRCUIT.

CHECK LASER CIRCUIT.

CHECK TRACKING SERVO CIRCUIT.

TURN POWER ON.

CHECK FOCUS CIRCUIT.

CHECK DISC.

DOES IT OUTPUT

AUDIO?

YES

CHECK AUDIO CIRCUIT.

❏

ELECTRICAL TROUBLESHOOTING GUIDE

Содержание LH-SW5100

Страница 1: ...CIRCUIT DIARGAMS 2 25 SECTION 3 DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 3 1 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3 8 DVD PART SCHEMATIC DIAGRAMS 3 21 VOLTAGE SHEET IC TR 3 27 PRINTED CIRCUIT DIAGRAM 3 29 SECTION 4 EXPLODED VIEWS 4 1 SECTION 5 SPEAKER PART 5 1 SECTION 6 SPEAKER PART 6 1 ELECTRICAL TROUBLESHOOTING GUIDE 6 1 BLOCK DIAGRAM 6 7 SHEMATICDIAGRAMS 6 9 WIRING DIAGRAM 6 15 P...

Страница 2: ...ver be touched 4 Laser beams may damage the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 Cleaning the lens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is held by a delicate spring When cleaning t...

Страница 3: ... replacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the possibility of damage by static electricity 4 To prevent ...

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: ... 1 5 SPECIFICATIONS ...

Страница 6: ... 1 6 LOCATION OF CUSTOMER CONTROLS FRONT PANEL DISPLAY WINDOW ...

Страница 7: ... 1 7 REAR PANEL ...

Страница 8: ... 1 8 REMOTE CONTROL ...

Страница 9: ... AND POWER SUPPLY CIRCUIT DOES INITIAL READ WORK DOES IT PLAY YES NO YES YES OK NO YES NO NO CHECK POWER SUPPLY CIRCUIT CHECK LASER CIRCUIT CHECK TRACKING SERVO CIRCUIT TURN POWER ON CHECK FOCUS CIRCUIT CHECK DISC DOES IT OUTPUT AUDIO YES NO CHECK AUDIO CIRCUIT ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 10: ... 2 2 2 AUDIO µ COM CIRCUIT ...

Страница 11: ...IS OK YES CHECK IF THE PN101 PN102 IS OK RECONNECTIT REFER TO NOTICE 1 CHECK IF ALL BUTTENS ARE OK YES CHECK IF THE VOLUME IS OK YES FRONT B D OK YES CHECK IF THE VFD001 PINS ARE OK CHECK PATTERN AND RESOLDERING NO YES 1 When it i sneeded to reconnect FPC cable into PN101 PN102 short ZD972 and screw chassis GND near to ZD972 2 PN101 Pins PIN2 23 0V PIN3 27 5V PIN4 5 0V PIN11 34 0V PIN20 12 0V NO N...

Страница 12: ... 2 4 4 FRONT CIRCUIT 2 2 ...

Страница 13: ... 3 1 SECTION 3 DVD PART DVDTROUBLESHOOTING GUIDE 1 Power check flow ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 14: ... 3 2 2 Test debug flow ...

Страница 15: ... 3 3 ...

Страница 16: ... 3 4 ...

Страница 17: ... 3 5 ...

Страница 18: ... 3 6 ...

Страница 19: ... 3 7 ...

Страница 20: ... 3 8 DETAILS AND W VEFORMS ON SYSTEM TEST AND DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 MT1379 main clock is at 27MHz X501 2 MT1336 reset is high active ...

Страница 21: ... 3 9 3 RS232 waveform during procedure Downloading 4 Flash R W enable signal during download Downloading ...

Страница 22: ... 3 10 2 SDRAM CLOCK 1 MT1379 main clock is at 27MHz X501 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform ...

Страница 23: ... 3 11 2 Tray close waveform 3 Tray open waveform ...

Страница 24: ... 3 12 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION ...

Страница 25: ... 3 13 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 7 DISC TYPE JUDGEMENT W VEFORM ...

Страница 26: ... 3 14 ...

Страница 27: ... 3 15 8 FOCUS ON W VEFORM ...

Страница 28: ... 3 16 9 SPINDLE CONTROL W VEFORM NO DISC CONDITION ...

Страница 29: ... 3 17 10 TRACKING CONTROL RELATED SIGNAL System checking ...

Страница 30: ... 3 18 11 RF W VEFORM 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF ...

Страница 31: ... 3 19 13 MT1379 VIDEO OUTPUT W VEFORM 1 Full colorbar signal CVBS 2 Y ...

Страница 32: ... 3 20 3 C 14 AUDIO OUTPUT FORM AUDIO DAC 1 Audio related Signal ...

Страница 33: ... 6 1 SECTION 6 SPEAKER PART ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 34: ... 6 2 ...

Страница 35: ... 6 3 ...

Страница 36: ... 6 4 ...

Страница 37: ... 6 5 ...

Страница 38: ... 6 6 MEMO ...

Страница 39: ... BLOCK DIAGRAM 2 5 2 6 ...

Страница 40: ...2 7 2 8 SCHEMATIC DIAGRAMS FRONT POWER SCHEMATIC DIAGRAM ...

Страница 41: ...2 9 2 10 MICOM SCHEMATIC DIAGRAM ...

Страница 42: ...2 11 2 12 I O SCHEMATIC DIAGRAM ...

Страница 43: ...2 13 2 14 DAP SCHEMATIC DIAGRAM ...

Страница 44: ...2 15 2 16 AMP SCHEMATIC DIAGRAM ...

Страница 45: ...2 17 2 18 SMPS SCHEMATIC DIAGRAM ...

Страница 46: ...2 19 2 20 WIRING DIAGRAM ...

Страница 47: ...2 21 2 22 VOLTAGE SHEET IC TR ...

Страница 48: ...2 23 2 24 ...

Страница 49: ...2 25 2 26 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD SOLDER SIDE ...

Страница 50: ...2 27 2 28 MAIN P C BOARD COMPONENT SIDE ...

Страница 51: ...2 29 2 30 FRONT P C BOARD ...

Страница 52: ...2 31 2 32 SMPS P C BOARD ...

Страница 53: ...3 21 3 22 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM ...

Страница 54: ...3 23 3 24 SERVO SCHEMATIC DIAGRAM ...

Страница 55: ...3 25 3 26 INTERFACE SCHEMATIC DIAGRAM ...

Страница 56: ...3 27 3 28 VOLTAGE SHEET IC TR ...

Страница 57: ...3 29 3 30 PRINTED CIRCUIT DIAGRAM DVD P C BOARD SOLDER SIDE ...

Страница 58: ...3 31 3 32 DVD P C BOARD COMPONENT SIDE ...

Страница 59: ...IEWS CABINET AND MAIN FRAME SECTION 351 301 268 302 303 A46 A41 A26 275 266 267 A43 270 272 264 265 250 260 269 305 A47 TUNER 454 454 NOTE Refer to SECTION 6 REPLACEMENT PARTS LIST in order to look for the part number of each part ...

Страница 60: ...R E009A MOTOR MECH FEEDING RF300EH 1D390 MABUCHI 015C 4680R E010A MOTOR MECH FEEDING BCZ3B51 SANKYO FOR DP7 015C 4680HP2011A MOTOR MECH PC200DG 21651C JOHNSON LOADING 017 4470R 0056A GEAR LOADING 018 4974R 0023A GUIDE UP DOWN 020 3040R D001A BASE MAIN MOLD DP 7AUDIO 021 4680R C011A MOTOR MECH SPINDLE JCL9B68 SANKYO FOR COM 022 4681R 0034D MOTOR ASSEMBLY DECK MECHA FEEDING DP 7C 7A 024 4470R 0131A ...

Страница 61: ...6 7 6 8 BLOCK DIAGRAM ...

Страница 62: ...6 9 6 10 SHEMATIC DIAGRAMS SCHEMATIC DIAGRAM ACC W5100 ...

Страница 63: ...6 11 6 12 SCHEMATIC DIAGRAM FA W5100 ...

Страница 64: ...6 13 6 14 SMPS SCHEMATIC DIAGRAM FA W5100 ...

Страница 65: ...6 15 6 16 WIRING DIAGRAM ...

Страница 66: ...6 17 6 18 PRINTED CIRCUIT DIAGRAM ACC W5100 P C BOARD ...

Страница 67: ...6 19 6 20 FA W5100SL SR MAIN P C BOARD ...

Страница 68: ...6 21 6 22 FA W5100SL SR SMPS P C BOARD ...

Страница 69: ...ENTER WIRE 5M C CH A800 6401RM0089A SPEAKER ASSEMBLY 06N39EHC1319B EAW LHS 5100W NSP Non SVC Parts RUN DATA 12 FEB 04 LOCA NO PART NO DESCRIPTION SPECIFICATION REMARKS 750 3701RM0086A NET ASSEMBLY SPK LHS 5100T NET ASSY NSP 751 3790RMD001C WINDOW DECO SPK LHS 5100T MOLD ACRYL SILK NSP 752 6400WETC02A SPEAKER WOOFER 06N39EHC1319B EAW WOOFER 8OHM 753 3720RMM012A PANEL AUDIO SPK LHS W5100T MOLD FRONT...

Страница 70: ...90RMD001A O WINDOW DECO SPK LHS W5100 MOLD ACRYL SILK NSP 651 3790RMD001B O WINDOW DECO SPK FAW5100 MOLD ACRYL NSP 652 6400FETC01C O O SPEAKER WOOFER 06N39EHC1319B EAW WOOFER 8OHM 653 3720RMM010A O O PANEL AUDIO SPK FA W5100SR SL MOLD HIPS GR NSP 654 6400DBHX01C O O SPEAKER TWEETER 111D10 LG03 BALHAE TWEETER DOM 655 3110RMP037A O O CASE LHS W5100SR SL MOLD HIPS GRAY NSP 656 4810RM0004A O O BRACKET...

Страница 71: ...W NET ASSY NSP 952 6400WETN01A SPEAKER WOOFER 18P90EHC1391 EAW WOOFER 4 OHM 953 3091RMW058A CABINET ASSEMBLY SPK LHS D6530W WOOD CABINET NSP 954 6871RU9271F PWB PCB ASSEMBLY SUBSET AUDIO LHS D6230W SUB WOOFER 2 5M OR 955 3610RM0002A FOOT RUBBER FE 5620WE STANDARD 4 EA 962 353M050C SCREW DRAWING BH 3 5X16 FBK A900 6401RM0068A SPEAKER ASSEMBLY 18P90EHC2214 EAW LHS D6530W S NSP Non SVC Parts RUN DATA...

Страница 72: ... AL 683 3508RMP050A 8 DECORATION ST W5100 PRESS BASE WEIGHT SEC 684 3508RMP050B 4 DECORATION ST W5100 PRESS BASE WEIGHT 1 6 NSP Non SVC Parts LOCA NO PART NO QTY DESCRIPTION SPECIFICATION REMARKS 663 3610RM0006A 8 FOOT RUBBER FE 5000TE PHI 20 X 3T H 664 353M051H 16 SCREW DRAWING 1 D4 0 L14 FZMY2 BLK 666 353M025R 16 SCREW DRAWING 2 D3 0 L10 0 S20C D BK WASHE 680 3040RMP013A 2 BASE LHS W5100SR SL MO...

Страница 73: ... W6100 MOLD BOTTOM 557 447 059J CUSHION AUDIO FOOT CD V952 V957 562 353 645A SCREW DRAWING SPECIAL TAPPING 2X8 BK 565 6634BSTR07D ADAPTER AC DC PN003A1A 7V 400MA POWERNET 568 3890RCC062Y BOX SW 6100 SPK 1 569 3920RCE062A PACKING CASING SW6100ACCPACK 0 02 100 EPS 8 1 570 6410RKDK01A POWER CORD KJP 170 KKJ 201A KUKJE SAA 1800MM 580 6850R NAB03 CABLE USB USB TO 2 SPEAKER STRIP TYPE S NSP A40 6871RT40...

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