LG FA-3000AWE Page 22 Service Manual Download | Manualshive

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Summary of Contents for FA-3000AWE

Page 1: ...DIGITAL HOME CINEMA SYSTEM SERVICE MANUAL MODEL FA 3000AWE SERVICE MANUAL MODEL FA 3000AWE POWER VOLUME INPUT SEL ON STANDBYY ...

Page 2: ...1 CONTENTS ESD PRECAUTIONS 2 SPECIFICATIONS 3 TROUBLESHOOTING 4 IC VOLTAGE SHEET 6 BLOCK DIAGRAM 9 SCHEMATIC DIAGRAMS 10 WIRING DIAGRAM 14 PRINTED CIRCUIT DIAGRAMS 15 SPEAKER 20 REPLACEMENT PARTS LIST 21 ...

Page 3: ...ges 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 comparable c...

Page 4: ...NOP JIS FILTER Harmonic distortion audio 0 5 1kHz at 12W position 30 kHz LPF A Filter Surround Mode Front 30W 30W THD 10 Center 30W Surround 30W 30W 8Ω at 1kHz THD 10 Subwoofer 50W 4Ω at 30 Hz THD 10 Inputs AUX COAXAL OPTICAL AUDIO Satellite Speaker FE 3000TE Active Subwoofer FE 3000AWE Type 1 Way 1 Speaker 1 Way 1 Speaker Impedance 8Ω 4Ω Frequency Response 110 20 000 Hz 40 2 500Hz Sound Pressure ...

Page 5: ...ECK POWER PLUG OR PNA301 PNB302 CONNECTOR CHECK POWER CIRCUIT OF MICOM CHECK VOLTAGE OF C616 AND PIN14 OF IC700 CHECK THE CONNECTION OF SPEAKER WIRE AND POWER OF IC300 IC551 TURN POWER KEY ON IS THE RELAY ON OK IS THERE OUTPUT SOUND NO NO YES YES YES YES NO NO ...

Page 6: ... 5 AUDIO µ COM Circuit ...

Page 7: ...5V IC603 KA7805 1 14 7V 2 0 3 4 9V IC604 KIA7805 1 16 60V 2 24 8V 3 20 2V IC605 KIA7805 1 10 2V 2 0 3 5 6V IC700 LC875747B 50R4 PIN NO Volt V PIN NO Volt V PIN NO Volt V PIN NO Volt V PIN NO Volt V 1 0 24V 16 0 21V 31 2 11V 46 4 15V 61 2 26V 2 4 58V 17 0 43V 32 0 31V 47 2 16V 62 2 24V 3 2 29V 18 2 08V 33 0 27V 48 2 14V 63 2 4mv 4 4 88V 19 3 26V 34 0 25V 49 4 16V 64 2 25V 5 4 56V 20 4 2mv 35 2 3mv ...

Page 8: ...3mv 14 0 7mv 15 25 5V 15 29 3V IC201 CS4228A IC202 CS8415 PIN NO Volt V PIN NO Volt V PIN NO Volt V PIN NO Volt V 1 0 58V 16 2 11V 1 0 12V 16 1 63V 2 34 8mv 17 2 11V 2 88 8mv 17 1 64V 3 0 94V 18 3 56V 3 8mv 18 25 7mv 4 1 23V 19 2 17V 4 7 6mv 19 2 9V 5 1 61V 20 2 17V 5 7 6mv 20 25 3mv 6 1 64V 21 4 92V 6 4 93V 21 1 7V 7 5 5mv 22 4 6mv 7 7 6mv 22 24 6mv 8 3 27V 23 2 28V 8 7 6mv 23 3 28V 9 3 28V 24 2 ...

Page 9: ...NO Volt V PIN NO Volt V PIN NO Volt V PIN NO Volt V PIN NO Volt V 1 5 7mv 1 5 7mv 1 14 5mv 1 11 4mv 1 11 2mv 2 6 2mv 2 6 0mv 2 10 1mv 2 8 6mv 2 8 4mv 3 5 4mv 3 5 4mv 3 9 6mv 3 8 5mv 3 8 4mv 4 5 23V 4 5 23V 4 6 07V 4 6 07V 4 6 07V 5 5 5mv 5 5 4mv 5 9 6mv 5 8 6mv 5 8 7mv 6 5 9mv 6 5 3mv 6 10 4mv 6 9 2mv 6 9 2mv 7 5 4mv 7 4 2mv 7 15 1mv 7 12 8mv 7 12 7mv 8 5 09V 8 5 08V 8 5 92V 8 5 92V 8 5 92V 4 FA P...

Page 10: ...9 BLOCK DIAGRAM ...

Page 11: ...M NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmefer during Play mode NOTE Warning Parts that are shaded are critical With respect to risk of fire or electrical shock ...

Page 12: ...11 DSP SCHEMATIC DIAGRAM ...

Page 13: ...12 FRONT SCHEMATIC DIAGRAM ...

Page 14: ...13 AMP SCHEMATIC DIAGRAM ...

Page 15: ...14 WIRING DIAGRAM ...

Page 16: ...15 PRINTED CIRCUIT DIAGRAMS MAIN POWER FRONT MICOM P C BOARD SOLDER SIDE ...

Page 17: ...16 MAIN POWER FRONT MICOM P C BOARD COMPONENT SIDE ...

Page 18: ...17 DSP P C BOARD COMPONENT SIDE ...

Page 19: ...18 DSP P C BOARD SOLDER SIDE ...

Page 20: ...D VIEWS Active Subwoofer MODEL FE 3000AWE 852 851 865 A43 853 854 868 855 856 858 870 A47 862 864 A48 863 A46 866 861 860 NOTE Refer to REPLACEMENT PARTS LIST in order to look for the part number of each part 857 ...

Page 21: ... 20 Satellite Speaker MODEL FE 3000TE 880 888 881 882 883 885 887 889 884 886 ...

Page 22: ... 21 MEMO ...

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