Magnavox E6C70UD Service Manual Download Page 24 | Manualshive

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DVD Main 3/3 Schematic Diagram

E6C70SCD3

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Summary of Contents for E6C70UD

Page 1: ...ent from the MWD7006 E6A70UD model For MWD7006 E6C70UD model the letter E6C70UD is printed on the Rating Label on the back of the unit Refer to the Rating Label illustration at right Rating Label E6C70UD DVD PLAYER MWD7006 STANDBY ON PREV PLAY NEXT STOP OPEN CLOSE POWER IR PLAY P SCAN ...

Page 2: ...ossible hazardous consequences of each way Consequently Funai has not undertaken any such broad evaluation Accordingly a servicer who uses a service procedure or tool which is not recommended by Funai must first use all precautions thoroughly so that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected TABLE OF CONTENTS Specifications 1 1 1 ...

Page 3: ... kΩ load Audio Output 4 Room Ambient 25 C Item Conditions Unit Nominal Limit 1 Video Output 75 Ω load Vpp 1 0 0 1 2 Coaxial Digital Out 75 Ω load mVpp 500 50 3 Audio PCM 3 1 Output Level 1 kHz 0 dB Vrms 1 9 3 2 S N dB 120 3 3 Freq Response DVD fs 48 kHz 20 Hz 22 kHz dB 1 0 CD fs 44 1 kHz 20 Hz 20 kHz dB 1 0 3 4 THD N DVD 1 kHz 0 dB 0 008 CD 1 kHz 0 dB 0 008 ...

Page 4: ...hen the diode is turned on Do not look directly at the laser beam CAUTION Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Location Top of DVD mechanism Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin Drive Mechanism Assembly Laser Beam Radiation Laser Pickup Turnta...

Page 5: ... especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering F Observe that the wires ...

Page 6: ...ug prongs and externally exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across the terminals of load ...

Page 7: ...machine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while applying the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using tweez...

Page 8: ... by one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack I...

Page 9: ...rs Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may be damaged if force is applied 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more e...

Page 10: ...ed to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 MΩ on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with you...

Page 11: ...Assembly 2 CAUTION 2 Electrostatic breakdown of the laser diode in the optical system block may occur as a potential difference caused by electrostatic charge accumulated on cloth human body etc during unpacking or repair work To avoid damage of pickup follow next procedures 1 Short the three short lands of FPC cable with solder before removing the FFC cable CN201 from it If you disconnect the FFC...

Page 12: ...e Fig D1 2 Front Assembly L 3 L 4 L 1 L 1 Fig D2 L 2 L 2 Fig D3 S 2 S 2 3 Reinforce Plate 4 DVD Main CBA Unit S 3 CN201 CN301 CN401 CN601 A Fig D4 View for A Short the three short lands by soldering Either of two places FPC Cable ...

Page 13: ...o the opening as shown 3 Turn the shaft along with the opening clockwise 4 Repeat steps 2 and 3 until the tray will open 5 Pull the tray slowly manually 5 DVD Mechanism S 4 S 4 S 4 Fig D5 7 Function CBA 6 AV CBA S 5 S 6 CN2001 L 5 Fig D6 B Front View for B Turn the shaft along with the opening clockwise Rear Opening Shaft e g screwdriver ...

Page 14: ... that order Fig a appears on the screen 2 Press CLEAR button on the remote control unit Fig b appears on the screen When OK appears on the screen the factory default will be set 3 To exit this mode press STANDBY ON button MODEL Version Region EXIT POWER EEPROM CLEAR CLEAR Fig a differs depending on the models MODEL Version Region EEPROM CLEAR OK EXIT POWER EEPROM CLEAR CLEAR differs depending on t...

Page 15: ... again 8 Turn the power on by pressing the STANDBY ON button and the tray will close 9 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 10 Press CLEAR button on the remote control unit Fig h appears on the screen When OK appears on the screen the factory default will be set Then the firmware renewal mode is complete 11 To exit this mode press S...

Page 16: ...1 SP ROT 3 3V 124 FD OFST 123 TD OFST RESET IC461 2 1 3 3V TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM DRIVE CBA DVD MAIN CBA UNIT 1 2 6 7 5 3 9 8 10 122 SL ADS 1 CN401 54 FP DIN 22 28 FP DIN FP DIN 22 56 FP STB 24 2 FP STB FP STB 24 53 FP DOUT 21 27 FP DOUT FP DOUT 21 55 FP CLK 23 1 FP CLK FP CLK 23 49 REMOTE 25 REMOTE 25 CN1001 REMOTE SENSOR RM2001 KEY 1 KEY 2 KEY 3 KEY 4 K1 K2 IC2001 AV CBA FRONT P...

Page 17: ...R TIMER WATCH DOG TIMER REMOTE CONTROL 32BIT CPU STREAM I F EXTERNAL MEMORY I F SDRAM ECC UMAC 100 115 116 113 114 106 104 105 103 62 DEBUG BCU INST CACHE DATA CACHE D A 131 139 Y I P C VIDEO Y I P VIDEO C 152 SPDIF 151 AUDIO L MUTE 146 AUDIO R 144 AUDIO L SDRAM ADDRESS 0 10 IC103 FLASH ROM FLASH ROM 29 36 38 45 VIDEO SIGNAL FDQ 0 15 1 9 16 25 48 FADR 0 19 SDRAM DATA 0 15 PICK UP UNIT TO SYSTEM CO...

Page 18: ...Y I P VIDEO C JK1401 S VIDEO OUT CN1601 TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM WF1 WF2 WF3 DIGITAL AUDIO OUT COAXIAL SPDIF AUDIO L TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM AUDIO R AUDIO L MUTE IC1402 VIDEO DRIVER 13 4dB AMP 2dB AMP LPF DRIVER 14 2dB AMP DRIVER 4dB AMP 2dB AMP LPF DRIVER 11 4dB AMP 2dB AMP LPF DRIVER 6 10 4dB AMP 2dB AMP LPF DRIVER 8 3 1 15 5 6 6 VIDEO Cb Pb VIDEO Cb Pb 4 4 VIDEO C...

Page 19: ...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 as a ...

Page 20: ... 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 21: ...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 22: ...1 9 3 DVD Main 1 3 Schematic Diagram E6C70SCD1 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT ...

Page 23: ...1 9 4 DVD Main 2 3 Schematic Diagram E6C70SCD2 ...

Page 24: ...1 9 5 DVD Main 3 3 Schematic Diagram E6C70SCD3 ...

Page 25: ...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 ATTENTION Pour une protection continue les risqes d Incele n utiliser que des fusible de m...

Page 26: ...1 9 7 AV 2 3 Schematic Diagram E6C70SCAV2 ...

Page 27: ...1 9 8 AV 3 3 Function Schematic Diagram E6C70SCAV3 ...

Page 28: ...pply 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 mêm...

Page 29: ...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 ATTENTION Pour une protection continue les ...

Page 30: ...1 9 11 Function CBA Top View Function CBA Bottom View BE6A40F01015 B ...

Page 31: ...01 Pin 8 of CN1601 C1402 PLUS LEAD Pin 12 of CN1601 Pin 14 of CN1601 Pin 10 of CN1601 20µs 0 2V VIDEO Y VIDEO C 0 2V 20µs VIDEO CVBS 0 5V 20µs AUDIO L 0 5V 0 5ms 0 5ms AUDIO R 0 5V 0 5ms SPDIF 1V 0 1µs NOTE Input DVD COLOR BAR SIGNAL WITH 1KHz AUDIO SIGNAL WF1 WF6 ...

Page 32: ... SP 2 TRAY IN 6 GND 3 SL 4 SL 5 FS 3 TS 4 GND CD PD 5 GND DVD PD 6 PD MONI 7 DVD LD 8 TS 1 FS 2 GND 11 NU 12 VREF 13 NU 14 B 15 C 16 GND LD 9 CD LD 10 A 17 D 18 CD DVD 19 P ON 5V 20 DVD MECHANISM VIDEO C 10 10 GND 9 9 VIDEO Y I P 8 8 CN601 CN1601 AUDIO R 14 14 AUDIO GND 11 11 AUDIO L 12 12 AUDIO L MUTE 13 13 CN1601 is soldered directly to the PCB AUDIO GND 15 15 SPDIF 16 16 GND 7 7 VIDEO Cb Pb 6 6...

Page 33: ...L TIMING CHARTS Tray IN TL221 Sled Drive TP303 Disc Drive TP301 Focus Drive TP304 Tracking Drive TP302 0V 3 3V 0V 1 65V 0V 0V 0V 1 65V 1 65V 1 65V Tray Close Play Play Tray Open Tray Close Disc Rotation Play Disc Stop Tray Open ...

Page 34: ... Data 2 Input 5 VSS GND 6 VDD Power Supply 7 OUT KEY 1 Key Source 1 8 OUT KEY 2 Key Source 2 9 OUT KEY 3 Key Source 3 10 OUT KEY 4 Key Source 4 11 NU Not Used 12 13 14 15 16 17 18 OUT PLAY LED PLAY LED Signal Output 19 OUT P SCAN LED P SCAN LED Signal Output 20 NU Not Used 21 22 23 24 VDD Power Supply 25 VSS GND 26 IN OSC Oscillator Input 27 OUT FP DOUT Serial Data Output 28 IN FP DIN Serial Data ...

Page 35: ...ND 2 Vout 3 Vin E C B E C B Note A Anode K Cathode E Emitter C Collector B Base R Reference G Gate D Drain S Source KIA4558P P KTA1266 Y AT P KTC3203 Y AT P KTC3198 Y AT P KTA1267 Y AT P KTC3199 GR AT P KRC101M AT P PS2561A 1 W TL432A TA 2SK3498 LM1117S ADJ 16 9 8 1 MM1637XVBE 28 15 14 1 PT6313 S TP L ...

Page 36: ...arts List for parts with this mark Some Ref Numbers are not in sequence A15 A13 A13 A22 A21 AC1001 2L041 F1001 2L105 JK1202 JK1401 JK1404 2L021 Function CBA DVD Main CBA Unit AV CBA 2L021 2L021 2L011 2L011 2L011 2L031 1B1 2B1 A16 2L081 2B5 2L081 A1X A23 A29 ...

Page 37: ...1 15 2 E6A70PEX Packing A22 S1 S2 S4 Unit S2 X10 X5 X2 X4 X1 X18 ...

Page 38: ... A22 LABEL BAR CODE E5900UD A23 TELEPHONE NO LABEL H9670UD A29 LABEL EAS L0951UB 1B1 DVD MECHA E7 N79F0KVM N79F0KVM 2B5 REINFORCE PLATE E6A60UD 1VM321919 2L011 SCREW P TIGHT 3X10 BIND HEAD GBHP3100 2L021 SCREW TAP TIGHT M3X11 BIND P TIGHT GBJP3110 2L031 SCREW P TIGHT M3X8 BIND HEAD GBJP3080 2L041 SCREW B TIGHT M3X8 BIND HEAD GBHB3080 2L081 SCREW TAP TIGHT WASHER P TIGHT GCJP3080 2L105 SCREW P TIGH...

Page 39: ...JJ3CH102 C1245 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V CHD1JZ30F104 C1247 ELECTROLYTIC CAP 470µF 6 3V M CE0KMASDL471 C1249 ELECTROLYTIC CAP 47µF 16V M H7 CE1CMASSL470 C1351 CHIP CERAMIC CAP 1608 B K 0 1µF 25V CHD1EK30B104 C1352 ELECTROLYTIC CAP 47µF 6 3V M H7 CE0KMASSL470 C1359 CHIP CERAMIC CAP 1608 CH J 1000pF 50V CHD1JJ3CH102 C1398 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V CHD1JZ30F104 C1402 ELECTROLYTIC ...

Page 40: ...RCX6JATZ0474 Ref No Description Part No R1032 CARBON RES 1 6W J 3 3k Ω RCX6JATZ0332 R1034 CARBON RES 1 6W J 390k Ω RCX6JATZ0394 R1035 CARBON RES 1 4W J 1k Ω RCX4JATZ0102 R1036 CARBON RES 1 6W J 100k Ω RCX6JATZ0104 R1037 CARBON RES 1 4W J 10k Ω RCX4JATZ0103 R1038 CARBON RES 1 6W J 100k Ω RCX6JATZ0104 R1039 CARBON RES 1 6W J 470k Ω RCX6JATZ0474 R1043 METAL OXIDE FILM RES 1W J 2 7 Ω RN012R7ZU001 R104...

Page 41: ...1 FUSE CURRENT PEG20C0NG001 PEG20C0NG001 FH1001 FUSE HOLDER MSF 015 LF B110 XH01Z00LY002 FH1002 FUSE HOLDER MSF 015 LF B110 XH01Z00LY002 J2009 CARBON RES 1 4W J 10k Ω RCX4JATZ0103 JK1202 RCA JACK BLACK MSP 251V 01 NI FE LF JXRL010LY125 JK1401 S TYPE JACK MDC 050V 2 4 LF B110 JXEL040LY003 JK1404 RCA JACK MSD 246V 65 NI FE LF JXRL060LY131 RM2001 SENSOR REMOTE RECEIVER KSM 602LU2S USESJRSKK048 T1001 ...

Page 42: ...MWD7006 E6C70UD 2006 07 26 ...

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