Magnavox MSD115, Service Manual

Page 1: ...odel MSD115 and the original model MSD125 All other information is described in the service manual of the model MSD125 TABLE OF CONTENTS Block Diagrams 1 1 1 Schematic Diagrams CBA s and Test Points 1 2 1 Wiring Diagram 1 3 1 Lead Identifications 1 4 1 Different parts from the original model MSD125 1 5 1 ...

Page 2: ...5 TRAY IN 6 GND 7 SL 8 SL VREF RESET 73 RESET IC462 1 3 3 3V IC202 OP AMP 15 16 14 13 12 11 17 18 23 6 4 5 3 1 2 25 24 27 26 81 SL AMP 143 SP ROT 3 3V 146 FD OFST 139 TD OFST RESET IC461 2 1 3 3V TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM TO VIDEO AUDIO BLOCK DIAGRAM DRIVE CBA DVD MAIN CBA UNIT 1 2 6 7 5 3 13 14 12 CN1001 REMOTE SENSOR RM2001 AV CBA 59 POWER 60 OPEN CLOSE 82 STOP 67 REMOTE 61 PLAY CN...

Page 3: ...INST ROM DATA RAM INST ROM SERIAL GENERAL I O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE CONTROL 32BIT CPU STREAM I F EXTERNAL MEMORY I F SDRAM ECC UMAC 114 115 116 117 132 131 134 133 129 130 126 124 125 123 83 DEBUG BCU INST RAM DATA RAM 177 SPDIF 170 PCM BCK 171 PCM DATA 169 PCM LRCLK 23 51 SDRAM ADDRESS 0 10 IC103 FLASH ROM FLASH ROM 29 36 38 45 DATA VIDEO AUDIO SIGNAL VIDEO SIGNAL DATA...

Page 4: ...A PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK 18 17 SPDIF AUDIO MUTE 3 3V Q1204 3 W F 6 W F 4 W F 5 AUDIO SIGNAL DATA AUDIO SIGNAL VIDEO SIGNAL TO SYSTEM CONTROL SERVO BLOCK DIAGRAM TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM DVD MAIN CBA UNIT AV CBA DIGITAL AUDIO OUT COAXIAL SYSTEM CLOCK MANAGER 2 1 I P SW I P SW CN601 8 7 VIDEO Y I P 10 9 VIDEO C VIDEO Y I P VIDEO C JK1401 S VIDEO OUT CN1601 3 4 2 1 ...

Page 5: ... COLD CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND...

Page 6: ... in the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these drawings for ordering The correct part number is shown in th...

Page 7: ...s were prepared 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications for PLAY and STOP mode on the schematics are as shown below 5 How to read converged lines 6 Test Point Information A V F This symbol means fast operating fuse Ce symbole r...

Page 8: ...6151SCD1 DVD MAIN 1 3 Ref No Position IC201 C 1 IC202 D 4 IC301 D 3 IC461 F 1 IC462 E 1 Q251 C 2 Q252 B 2 Q253 C 2 Q254 B 2 CN201 A 3 CN301 A 1 CN401 F 3 CONNECTORS ICS TRANSISTORS 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT ...

Page 9: ...1 2 4 DVD Main 2 3 Schematic Diagram E6151SCD2 ...

Page 10: ... 2 3 32 64 0 0 96 128 1 7 1 7 PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 2 3 2 3 161 3 4 3 4 193 225 3 4 3 4 130 2 3 2 3 162 0 0 194 226 131 2 3 2 3 163 1 8 1 8 195 227 132 2 4 2 3 164 0 0 196 3 4 3 4 228 133 2 4 2 4 165 1 7 1 8 197 229 0 0 134 2 4 2 4 166 1 7 1 7 198 230 135 2 3 2 3 167 3 4 3 4 199 231 3 4 3 4 136 2 3 2 3 168 0 0 200 232 1 3 1 6 137 2 3 2 3 169 1 8 1 ...

Page 11: ...1 2 6 DVD Main 3 3 Schematic Diagram E6151SCD3 DVD MAIN 3 3 Ref No Position IC103 N 3 IC501 O 4 IC502 Q 4 IC601 O 1 CN601 R 2 ICS CONNECTOR ...

Page 12: ...r supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Ce symbole reprèsente un fusible à fusion rapide CAUTION For continued protection against fire hazard replace only with the same type fuse ATTENTIO...

Page 13: ...1 2 8 AV 2 2 Schematic Diagram E6151SCAV2 AV 2 2 Ref No Position IC1201 H 1 IC1403 I 4 Q1201 J 1 Q1202 J 1 Q1204 I 1 Q1351 K 4 Q1352 H 2 CN1601 G 3 ICS TRANSISTORS CONNECTOR ...

Page 14: ...ply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Ce symbole reprèsente un fusible à fusion rapide CAUTION For continued protection against fire hazard replace only with the same type fuse ATTENTION Pour une protection continue les risqes d Incele n utiliser que des fusible de même...

Page 15: ...age for parts in hot circuit is measured using hot GND as a common terminal Ce symbole reprèsente un fusible à fusion rapide CAUTION For continued protection against fire hazard replace only with the same type fuse ATTENTION Pour une protection continue les risqes d Incele n utiliser que des fusible de même type Risk of fire replace fuse as marked This symbol means fast operating fuse A V F AV CBA...

Page 16: ...A UNIT CN1001 is soldered directly to the PCB DRIVE CBA PICK UP UNIT SP 3 SP 4 TRAY IN 5 GND 6 SL 7 SL 8 FS 3 TS 4 GND CD PD 5 GND DVD PD 6 PD MONI 7 DVD LD 8 TS 1 FS 2 GND 11 F 12 VREF 13 E 14 B 15 C 16 GND LD 9 CD LD 10 A 17 D 18 CD DVD 19 P ON 5V 20 VIDEO C 10 9 GND 9 8 VIDEO Y I P 8 7 CN601 CN1601 AUDIO R 15 14 AUDIO GND 11 10 AUDIO GND 12 11 AUDIO L 13 12 AUDIO R MUTE 14 13 CN1601 is soldered...

Page 17: ...E 1 R 2 A 3 K 1 2 3 1 2 4 3 1 A 2 K 3 E 4 C 1 GND 2 Vout 3 Vin Note A Anode K Cathode E Emitter C Collector B Base R Reference G Gate D Drain S Source KIA4558P KTA1266 Y AT P KTC3203 Y AT P KTA1267Y AT P KTC3199 GR AT P KTC3199 Y LTV 817B F KIA431 AT 2SK3498 T6L1FUNANQ C177 LD1117SC R ...

Page 18: ...Not Used C1482 Not Used C1531 Not Used C1532 Not Used C1533 Not Used C1535 CHIP CERAMIC CAP 1608 B K 0 01µF 50V CHD1JK30B103 C1536 ELECTROLYTIC CAP 22µF 6 3V M H7 CE0KMASSL220 C1537 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V CHD1JZ30F104 IC1402 Not Used IC1403 DRIVER FOR DVD MM1636XWRE QSZBA0TMM108 L1007 CHOKE COIL 22µH K LLBD00PKV021 L1008 CHOKE COIL 22µH K LLBD00PKV021 L1009 CHOKE COIL 22µH K LLBD00PKV...

Page 19: ...MSD115 E6151UD 2005 09 15 ...