3-6
VCR ELECTRICAL TROUBLESHOOTING GUIDE
No 12VA
Check or Replace
the D126
Is the Vcc(13V)
supplied to C130?
Check or Replace
the Cap / Drum
Is the D132
Normal?
NO
NO
Replace the D132
YES
YES
(To Cap, Drum Motor )
No REG 12V
Check or Replace
the D126
Check the ‘PWR CTL
“H”’signal from µ-com
Check the 33V Line
Replace the Q126
Is the Vcc(13V) sup-
plied to Q126Collector?
Is the Vcc(33V) sup-
plied to Q126 Base?
Is the Q126 Nomal?
Check or Replace
the D126
NO
NO
NO
YES
YES
YES
NO VFD
Check or Replace
the R107
Is the R107
Normal?
Is the D128
Normal?
NO
Check or Replace
the D128
Check or Replace
the ZD151
NO
NO
YES
Is the ZD151
Normal?
Check or Replace
the D127
YES
YES
No 33V
Check or Replace
the D130
Is the Vcc(33V) sup-
plied to Q123 Emittor?
Is the Q123 Base
‘H’?
NO
Check the ‘PWR CTL
“H”’signal from µ-com
NO
YES
Check or Replace
the Q123
YES
Содержание DVDR630VR
Страница 9: ......
Страница 15: ......
Страница 17: ......
Страница 35: ......
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 ...
Страница 63: ......
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 ...
Страница 93: ......
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 ...
Страница 159: ......
Страница 191: ......
Страница 199: ...6 1 REVISION LIST Version 1 0 Initial release Version 1 1 Parts list correction to conform with component repair policy ...