3-14
3. Y/C CIRCUIT
(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,
Is 5.0V 5.3VA applied to the
IC301 Pins24, 42, 55, 72, 81.
Does the Color signal
appear at IC301
Pin25?
Check the line of the 5.0V
5.3VA Line. (Power Circuit)
Replace the X301.
Check the Color Pass.
Does the X301
(4.43MHz) osxillate?
Replace the IC301.
Does the Color signal
appear at IC301 Pin48?
Replace the IC301.
NO
YES
Is the Color Rotary signal
applied to the IC301 Pin70?
Check the Color Rotary
Circuit. (IC501 Pin98)
NO
YES
Is Color Rotary “H” about
3.4V?
NO
Check the Color Rotary
level. (Check the R303)
YES
YES
YES
NO
NO
NO
VCR ELECTRICAL TROUBLESHOOTING GUIDE
Содержание DVDR630VR
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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 2 TUNER 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 3 A V CIRCUIT DIAGRAM ...
Страница 46: ...3 41 3 42 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 47: ...3 43 3 44 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 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 6 SCART JACK CIRCUIT DIAGRAM SCART Model Only ...
Страница 49: ...7 TIMER CIRCUIT DIAGRAM 3 47 3 48 ...
Страница 54: ...3 57 3 58 IC801_TDA9605 IC804_MM1231 IC901_MM1623FXBE IC902_MM1225 IC903_MM1225 ...
Страница 55: ...3 59 3 60 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD TOP VIEW ...
Страница 56: ...3 61 LOCATION GUIDE ...
Страница 57: ...3 62 LOCATION GUIDE ...
Страница 58: ...3 63 3 64 2 VCR P C BOARD BOTTOM VIEW ...
Страница 60: ...3 67 LOCATION GUIDE ...
Страница 61: ...3 68 4 JACK P C BOARD LOCATION GUIDE ...
Страница 62: ...3 69 3 70 5 KEY TIMER P C BOARD LOCATION GUIDE ...
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Страница 78: ...3 85 3 86 CIRCUIT DIAGRAMS 1 BGA 308P CIRCUIT DIAGRAM ...
Страница 79: ...3 87 3 88 2 DDR B TO B CONNECTOR CIRCUIT DIAGRAM ...
Страница 80: ...3 89 3 90 3 POWER FLASH CONNECTOR CIRCUIT DIAGRAM ...
Страница 81: ...3 91 3 92 4 RST CONTROL STATUS_REG ATAPI HOST_CPLD LATCH CIRCUIT DIAGRAM ...
Страница 82: ...3 93 3 94 5 VIDEO_IN VIDEO_OUT CIRCUIT DIAGRAM ...
Страница 83: ...3 95 3 96 6 DV1394 HDMI CIRCUIT DIAGRAM ...
Страница 84: ...3 97 3 98 7 AUDIO IN OUT CIRCUIT DIAGRAM ...
Страница 89: ...3 107 3 108 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW ...
Страница 90: ...3 109 LOCATION GUIDE ...
Страница 91: ...3 110 LOCATION GUIDE ...
Страница 92: ...3 111 3 112 2 VDR P C BOARD BOTTOM VIEW ...
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Страница 110: ...3 129 3 Main Clock2 for IC302 20MHz X300 IC301 PIN 13 4 SDRAM Clock ...
Страница 128: ...3 147 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Страница 145: ...3 164 2 RF Block Diagram ...
Страница 146: ...3 165 3 DSP Block Diagram ...
Страница 147: ...3 166 4 MICOM Block Diagram ...
Страница 148: ...3 167 3 168 CIRCUIT DIAGRAMS 1 RF1 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 149: ...3 169 3 170 2 RF2 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 150: ...3 171 3 172 2 DSP CIRCUIT DIAGRAM ...
Страница 151: ...3 173 3 174 3 MICOM CIRCUIT DIAGRAM IC BLOCK DIAGRAMS IC101_FSDL0365RN ...
Страница 154: ......
Страница 155: ...3 179 3 180 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...
Страница 156: ...3 181 LOCATION GUIDE ...
Страница 157: ...3 182 LOCATION GUIDE ...
Страница 158: ...3 183 3 184 2 MAIN P C BOARD ...
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Страница 199: ...6 1 REVISION LIST Version 1 0 Initial release Version 1 1 Parts list correction to conform with component repair policy ...