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3-69
VDR ELECTRICAL TROUBLESHOOTING GUIDE
1. Power(SMPS) CIRCUIT
No 3.8VA
Replace the F101
(Use the same Fuse)
Is the F101
Normal?
Is the TH01
Normal?
Is the BD101
Normal?
NO
NO
NO
NO
NO
NO
NO
NO
NO
Replace the BD101
Replace the TH01
Is the D104
normal?
Check or Replace
the D104
Replace the D122
Replace the IC106
Replace the D123
Replace the D124
Replace the D125
YES
YES
YES
YES
YES
YES
YES
YES
YES
Is Vcc (11V - 18V)
supplied to IC101 Pin3?
NO
Are the D122
normal?
Is there about 2.5V
at the IC106 Pin1?
Is the D123
normal?
Is the D124
Normal?
Is the D125
Normal?
Power Line of Main
PCB(VDR) is short
VDR PART
No 3.3V
Check or Replace
the D122
Is there about 3.8V
at the IC154 pin1?
Check the IC154 and
Replace
Is there about 3.3V~ 5V
at the IC154 pin4?
NO
NO
Check the ‘DVD PWR CTL
“H”’ signal from µ-com
YES
YES
Содержание DVDR3320V Series
Страница 15: ......
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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: ......