3-2
ELECTRICAL TROUBLESHOOTING GUIDE
NO
Proper display port
select
Video Input Cable
connection OK
1. POWER(SMPS) CIRCUIT
Power cable
connection
Front Signal Cable
Connection OK
“HELLO” display
on VFD OK
“LG logo” display
on Monitor OK
NO
Front signal cable
connect
NO
NO
NO
NO
NO
Front Power Cable
Connection OK
NO
Front power cable
connect
Display Cable
Connection OK
NO
Display Cable
Connect
Display Port
Selection (S800) OK
HDD Image
upgrade
Audio Cable
Connection OK
NO
Audio Cable
Connect
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
“CH No. & DATE”
display on VFD OK
Audio OK
Video OK
Normal TV
Function OK
Содержание LRM-519
Страница 30: ...3 16 WAVEFORMS 1 SYSTEM PART 1 ...
Страница 31: ...3 17 2 SYSTEM PART 2 ...
Страница 32: ...3 18 3 VIDEO PART 1 ...
Страница 33: ...3 19 4 VIDEO PART 2 ...
Страница 34: ...3 20 5 VIDEO PART 3 ...
Страница 35: ...3 21 6 VIDEO PART 4 ...
Страница 36: ...3 22 AI_DATA AI_CLK AI_LRCLK 7 AUDIO PART 1 ...
Страница 37: ...3 23 AUD_LINK_BCLK AUD_LINK_SDIN AUD_LINK_SYNC AUD_LINK_RST 8 AUDIO PART 2 ...
Страница 38: ...SPDIF 3 24 AUDIO_L 9 AUDIO PART 3 ...
Страница 39: ...3 25 TXD TXD RXIN RXIN 25MHZ 10 ETHERNET PART ...
Страница 40: ...3 26 FLD_RXD FLD_CLK CLK_LPC_33MHZ 11 SUPER IO FRONT INTERFACE PART ...
Страница 43: ...3 29 3 POWER BLOCK DIAGRAM ...
Страница 45: ...3 31 5 BLOCK DIAGRAM ...
Страница 46: ......
Страница 48: ...3 34 3 35 2 POWER CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 49: ...3 36 3 37 3 CPU CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 50: ...3 38 3 39 4 GMCH CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 51: ...3 40 3 41 5 ICH4 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 52: ...3 42 3 43 6 CLOCK LPC CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 53: ...3 44 3 45 7 MEMORY IDE CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 54: ...8 LAN USB MODEM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T 3 46 3 47 ...
Страница 55: ...3 48 3 49 9 VIDEO CONVERTER AC97 CODEC CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 56: ...10 MPEG II ENCODER AV DECODER CX23418 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T 3 50 3 51 ...
Страница 57: ...3 52 3 53 11 TUNER EXTERNAL AV INPUT CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 58: ...3 54 3 55 12 AUDIO VIDEO INPUT INTERFACE CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 59: ...3 56 3 57 13 MISCELLANEDUS CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 60: ...3 58 3 59 14 EXTERNAL I F CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 61: ...3 60 3 61 PRINTED CIRCUIT DIAGRAMS 1 MAIN PRINTED CIRCUIT DIAGRAMS TOP VIEW ...
Страница 62: ...3 62 3 63 2 MAIN PRINTED CIRCUIT DIAGRAMS BOTTOM VIEW ...
Страница 64: ...3 66 3 67 5 POWER PRINTED CIRCUIT DIAGRAM ...
Страница 84: ...4 20 9 LASER TURN ON SIGNAL F LIC502 PIN 52 LDEN DVD LCN201 PIN17 VRDC LCN201PIN 34 ...
Страница 99: ...4 35 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Страница 119: ...4 55 4 56 CIRCUIT DIAGRAMS 1 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 120: ...4 57 4 58 2 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 121: ...4 59 4 60 3 µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 123: ...4 63 4 64 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 124: ...4 65 4 66 2 MAIN P C BOARD LOCATION GUIDE ...