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5-2
ELECTRICAL TROUBLESHOOTING GUIDE
Reset or Power Check.
Check it after connecting the power cable
only for NO Reset or Power ON.
•Check the power(5V,12V)short.
•Check the power cable.
•Repair the power part.
•Check the LIC505(3.3V reg.IC).
•Check the HRST signal of LIC301
•Check the LX301
•Check the oscillation LIC302, LIC303
Are the pin 4, 1 of LCN202
+12V, +5V respectively after the power
cable connecting?
Does the pin 3
of LIC303 change 0V to 3.3V
at the power supply initial
input mode?
Are the LX301 oscillating?
<Power>
•Is the pin 5 of LIC505 3.3V?
•Is the pin 4 of LIC505 1.5V?
OK
YES
YES
YES
YES
YES
NO
NO
NO
•1V(IREF):Check pin 112 of LIC301
•1.65V(REFIN):Check pin 134 of LIC301
•2.1V(REFI2):Check pin 12 of LIC201
•2.3V(REF01):Check pin 13 of LIC201
•2.3V(FPDVREF):Check pin 25 of LIC201
•3.3V(REFI):Check pin 38 of LIC201
•1.65V(REF02):Check pin 39 of LIC201
<Reference>
Содержание DVDR3320V Series
Страница 15: ......
Страница 17: ......
Страница 35: ......
Страница 43: ...3 35 3 36 A B C D E F G H I J K L M N O P Q R S T 2 TUNER CIRCUIT DIAGRAM ...
Страница 44: ...3 37 3 38 A B C D E F G H I J K L M N O P Q R S T 3 A V CIRCUIT DIAGRAM ...
Страница 45: ...3 39 3 40 A B C D E F G H I J K L M N O P Q R S T 4 Hi Fi CIRCUIT DIAGRAM ...
Страница 46: ...3 41 3 42 WAVEFORM 1 2 7 4 3 6 5 A B C D E F G H I J K L M N O P Q R S T 5 SYSTEM CIRCUIT DIAGRAM ...
Страница 47: ...3 43 3 44 A B C D E F G H I J K L M N O P Q R S T 6 SCART CIRCUIT DIAGRAM SCART Model Only ...
Страница 48: ...3 45 3 46 A B C D E F G H I J K L M N O P Q R S T 7 TIMER CIRCUIT DIAGRAM ...
Страница 53: ...3 55 3 56 IC801_TDA9605 IC802_MM1443 IC803_MM1225 IC901_MM1623FX8E ...
Страница 54: ......
Страница 55: ...3 57 3 58 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD TOP VIEW ...
Страница 56: ...3 59 LOCATION GUIDE ...
Страница 57: ...3 60 LOCATION GUIDE ...
Страница 58: ...3 61 3 62 2 VCR P C BOARD BOTTOM VIEW ...
Страница 59: ...3 63 3 64 3 SMPS P C BOARD ...
Страница 60: ...3 65 3 66 LOCATION GUIDE 4 JACK P C BOARD LOCATION GUIDE ...
Страница 61: ...3 67 3 68 5 KEY TIMER P C BOARD LOCATION GUIDE ...
Страница 77: ......
Страница 78: ...3 84 3 85 CIRCUIT DIAGRAMS 1 BGA 308P CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 79: ...3 86 3 87 A B C D E F G H I J K L M N O P Q R S T 2 DDR B TO B CONNECTOR CIRCUIT DIAGRAM ...
Страница 80: ...3 88 3 89 A B C D E F G H I J K L M N O P Q R S T 3 POWER FLASH CONNECTOR CIRCUIT DIAGRAM ...
Страница 82: ...3 92 3 93 A B C D E F G H I J K L M N O P Q R S T 5 VIDEO_IN VIDEO_OUT CIRCUIT DIAGRAM ...
Страница 83: ...A B C D E F G H I J K L M N O P Q R S T 3 94 3 95 6 DV1394 HDMI CIRCUIT DIAGRAM ...
Страница 84: ...3 96 3 97 A B C D E F G H I J K L M N O P Q R S T 7 AUDIO IN OUT CIRCUIT DIAGRAM ...
Страница 89: ...3 106 3 107 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW ...
Страница 90: ...3 108 LOCATION GUIDE ...
Страница 91: ...3 109 LOCATION GUIDE ...
Страница 92: ...3 110 3 111 2 VDR P C BOARD BOTTOM VIEW ...
Страница 93: ......
Страница 125: ......
Страница 145: ...5 20 9 LASER TURN ON SIGNAL F LIC502 PIN 52 LDEN DVD LCN201 PIN17 VRDC LCN201PIN 34 ...
Страница 156: ...5 31 30 LD Enable DVD 31 LD Enable CD CD DVD LCN201 PIN 17 LDEN LCN PIN 38 CD DVD LCN201 PIN 17 LDEN LCN102 PIN 38 ...
Страница 160: ...5 35 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Страница 180: ...5 55 5 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 181: ...5 57 5 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 182: ...5 59 5 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 185: ...5 65 5 66 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...
Страница 186: ...5 67 LOCATION GUIDE ...
Страница 187: ...5 68 LOCATION GUIDE ...
Страница 188: ...5 69 5 70 2 MAIN P C BOARD ...
Страница 189: ......