3-114
ELECTRICAL TROUBLESHOOTING GUIDE
RL-02A LOADER PART
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 IC312(3.3V reg.IC).
•Check the HRST signal of IC201, IC301
•Check the X201,X301
•Check the oscillation IC202,IC302
•Check the IC312, IC306
Are the pin 4, 1 of CN202
+12V, +5V respectively after the power
cable connecting?
Does the pin 3
of IC202 change 0V to 3.3V
at the power supply initial
input mode?
Are the X201, X300 oscillating?
<Power>
•Is the pin 5 of IC312 3.3V?
•Is the pin 4 of IC312 1.5V?
•Is the pin 3 of IC306 2.5V?
OK
YES
YES
YES
YES
YES
NO
NO
NO
NO
•1V(IREF):Check pin 116 of IC201
•1.65V(REFIN):Check pin 142 of IC201
•1.65V(REFOUT):Check pin 136 of IC201
•2.1V(REFI2):Check pin 12 of IC106
•2.3V(REF01):Check pin 13 of IC106
•2.3V(FPDVREF):Check pin 25 of IC106
•3.3V(REFI):Check pin 38 of IC106
•1.65V(REF02):Check pin 39 of IC106
<Reference>
Summary of Contents for DVDR630VR
Page 9: ......
Page 15: ......
Page 17: ......
Page 35: ......
Page 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 ...
Page 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 ...
Page 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 ...
Page 49: ...7 TIMER CIRCUIT DIAGRAM 3 47 3 48 ...
Page 54: ...3 57 3 58 IC801_TDA9605 IC804_MM1231 IC901_MM1623FXBE IC902_MM1225 IC903_MM1225 ...
Page 55: ...3 59 3 60 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD TOP VIEW ...
Page 56: ...3 61 LOCATION GUIDE ...
Page 57: ...3 62 LOCATION GUIDE ...
Page 58: ...3 63 3 64 2 VCR P C BOARD BOTTOM VIEW ...
Page 60: ...3 67 LOCATION GUIDE ...
Page 61: ...3 68 4 JACK P C BOARD LOCATION GUIDE ...
Page 62: ...3 69 3 70 5 KEY TIMER P C BOARD LOCATION GUIDE ...
Page 63: ......
Page 78: ...3 85 3 86 CIRCUIT DIAGRAMS 1 BGA 308P CIRCUIT DIAGRAM ...
Page 79: ...3 87 3 88 2 DDR B TO B CONNECTOR CIRCUIT DIAGRAM ...
Page 80: ...3 89 3 90 3 POWER FLASH CONNECTOR CIRCUIT DIAGRAM ...
Page 81: ...3 91 3 92 4 RST CONTROL STATUS_REG ATAPI HOST_CPLD LATCH CIRCUIT DIAGRAM ...
Page 82: ...3 93 3 94 5 VIDEO_IN VIDEO_OUT CIRCUIT DIAGRAM ...
Page 83: ...3 95 3 96 6 DV1394 HDMI CIRCUIT DIAGRAM ...
Page 84: ...3 97 3 98 7 AUDIO IN OUT CIRCUIT DIAGRAM ...
Page 89: ...3 107 3 108 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW ...
Page 90: ...3 109 LOCATION GUIDE ...
Page 91: ...3 110 LOCATION GUIDE ...
Page 92: ...3 111 3 112 2 VDR P C BOARD BOTTOM VIEW ...
Page 93: ......
Page 110: ...3 129 3 Main Clock2 for IC302 20MHz X300 IC301 PIN 13 4 SDRAM Clock ...
Page 128: ...3 147 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Page 145: ...3 164 2 RF Block Diagram ...
Page 146: ...3 165 3 DSP Block Diagram ...
Page 147: ...3 166 4 MICOM Block Diagram ...
Page 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 ...
Page 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 ...
Page 150: ...3 171 3 172 2 DSP CIRCUIT DIAGRAM ...
Page 151: ...3 173 3 174 3 MICOM CIRCUIT DIAGRAM IC BLOCK DIAGRAMS IC101_FSDL0365RN ...
Page 154: ......
Page 155: ...3 179 3 180 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...
Page 156: ...3 181 LOCATION GUIDE ...
Page 157: ...3 182 LOCATION GUIDE ...
Page 158: ...3 183 3 184 2 MAIN P C BOARD ...
Page 159: ......
Page 191: ......