Magnavox DP170MS8 Service Manual Download Page 34 | Manualshive

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WAVEFORMS

E8NWF

1-10-1

WF6

WF1

WF3

WF4

WF5

WF2

Pin 16 of CN1601

Pin 8 of CN1601

C1402 PLUS LEAD

Pin 12 of CN1601

Pin 14 of CN1601

Pin 10 of CN1601

20

µ

s

0.2V

VIDEO-Y

VIDEO-C

0.2V

20

µ

s

VIDEO-CVBS

0.5V

20

µ

s

AUDIO(L)

0.5V

0.5ms

AUDIO(R)

0.5V

0.5ms

SPDIF

1V

0.1

µ

s

NOTE:

Input
DVD: COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL)
(WF1~WF6)

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Summary of Contents for DP170MS8

Page 1: ...SERVICE MANUAL DVD PLAYER DP170MS8 STANDBY ON PREV NEXT PLAY STOP OPEN CLOSE ...

Page 2: ... 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 Laser Beam Safety Precautions 1 2 1 Important Safety Precauti...

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 0 005 CD 1 kHz 0 dB 0 005 ...

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: ...ical for safety Replace only with part number specified B In addition to safety other parts and assemblies are specified for conformance with regulations applying to spurious radiation These must also be replaced only with specified replacements Examples RF converters RF cables noise blocking capacitors and noise blocking filters etc C Use specified internal wiring Note especially 1 Wires covered ...

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: ...to Reference Notes About tightening screws When tightening screws tighten them with the following torque ID Loc No Part Removal Fig No Remove Unhook Unlock Release Unplug Desolder Note 1 Top Cover D1 5 S 1 2 Front Unit D2 4 L 1 2 L 2 3 L 3 CN2001 1 3 Function CBA D3 3 L 4 4 Front Assembly D3 5 Reinforce Plate D4 2 S 2 6 Rear Panel D4 4 S 3 S 4 S 5 4 7 DVD Main CBA Unit D5 S 6 CN201 CN301 CN401 CN6...

Page 12: ...hree short lands of FPC cable with solder before removing the FFC cable CN201 from it If you disconnect the FFC cable CN201 the laser diode of pickup will be destroyed Fig D5 2 Disconnect the Connectors CN301 CN401 and CN601 Remove screw S 6 and lift the DVD Main CBA Unit Fig D5 3 CAUTION 3 When reassembling confirm the FFC cable CN201 is connected completely Then remove the solder from the three ...

Page 13: ...orce Plate S 5 S 3 S 2 S 2 Fig D4 S 3 S 4 S 6 7 DVD Main CBA Unit CN401 CN301 A Fig D5 View for A Short the three short lands by soldering Either of two places FPC Cable CN601 CN201 Fig D6 8 DVD Mechanism S 7 S 7 9 AV CBA S 8 S 9 Fig D7 ...

Page 14: ...r straightly into 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 S 11 10 Plate Holder S 10 11 Main PCB Holder Fig D8 B Front View for B Turn the shaft along with the opening clockwise Rear Opening Shaft e g screwdriver ...

Page 15: ...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 th...

Page 16: ... appears on the VFD Fig f At this time no button is available 6 Remove the disc on the tray 7 Unplug the AC cord from the AC outlet Then plug it 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 F W Version Up Mode Model No VERSION Please insert a DISC for F W ...

Page 17: ...ears 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 STANDBY ON button MODEL Version Region EEPROM CLEAR OK EXIT POWER EEPROM CLEAR CLEAR differs depending on the models Fig h ...

Page 18: ...3 9 8 10 12 6 7 5 124 FD OFST 123 TD OFST DRIVE CBA DVD MAIN CBA UNIT TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM 122 SL ADS RESET IC462 1 3 3 3V RESET IC461 2 1 3 3V 1 12 7 8 9 10 11 REMOTE SENSOR RM2001 1G 7G 23 17 a KEY 1 b KEY 2 c KEY 3 d KEY 4 e K1 K2 GRID FIP SEGMENT FL2001 IC2001 FRONT PANEL CONTROL 13 14 16 3 4 f g h i KEY MATRIX CN2001 CN2101 KEY 1 5 5 KEY 2 3 3 KEY 3 4 4 KEY 4 6 6 K2 1 1 K1 ...

Page 19: ...04 105 103 79 GND DVD PD 63 GND CD PD 62 DEBUG BCU INST CACHE DATA CACHE D A 131 139 Y I P C VIDEO Y I P VIDEO C 146 AUDIO R 144 AUDIO L SDRAM ADDRESS 0 10 VIDEO SIGNAL SDRAM DATA 0 15 PICK UP UNIT TO SYSTEM CONTROL SERVO BLOCK DIAGRAM DVD MAIN CBA UNIT TO VIDEO AUDIO BLOCK DIAGRAM TO VIDEO AUDIO BLOCK DIAGRAM IC501 SDRAM SDRAM DATA 0 15 SDRAM ADDRESS 0 10 194 209 2 13 42 53 22 26 29 34 159 178 99...

Page 20: ...VER 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 Cr Pr VIDEO Cr Pr VIDEO OUT COMPOSITE VIDEO Cb Pb OUT VIDEO Y OUT VIDEO Cr Pr OUT JK1404 3 3 I P SW I P SW Y C 4 3 1 2 TMDS DATA2 CNF01 HDMI CONNECTOR TMDS DATA2 TMDS DATA1 TMDS DATA1 TMDS DATA0 TMDS DATA0 TMDS CLOCK TMDS CLOCK SDA SCL HOT PLUG DETECT ICF09 ...

Page 21: ...CHING SWITCHING IC1002 1 2V REG Q1015 SWITCHING Q1006 Q1007 SWITCHING 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 NOT...

Page 22: ... 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 23: ...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 24: ...1 9 3 DVD Main 1 4 Schematic Diagram E6E71SCD1 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT ...

Page 25: ...1 9 4 DVD Main 2 4 Schematic Diagram E6E71SCD2 ...

Page 26: ...1 9 5 DVD Main 3 4 Schematic Diagram E6E71SCD3 ...

Page 27: ...1 9 6 DVD Main 4 4 Schematic Diagram E6E71SCD4 ...

Page 28: ...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 29: ...1 9 8 AV 2 3 Schematic Diagram E6E71SCAV2 ...

Page 30: ...EPEAT TITLE GROUP VCR CHP REC SACD TRK A ALL B PSCAN DVD PM HDVCD A 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f f g c d e f g c d e f g c d e f g c d e f g h i i a b a b a b a b a b FL2001 MATRIX CHART REPEAT TITLE GROUP VCR CHP REC SACD TRK ALL B PSCAN DVD P M HD V CD A A E6E71SCAV3 ...

Page 31: ...d 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 Because a hot chassis ground is present in th...

Page 32: ...it 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 type Risk of fire replace fuse as marked This symbol means fast ope...

Page 33: ...1 9 12 Function CBA Top View Function CBA Bottom View BE6E20F01012 B ...

Page 34: ...1601 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 AUDIO R 0 5V 0 5ms SPDIF 1V 0 1µs NOTE Input DVD COLOR BAR SIGNAL WITH 1KHz AUDIO SIGNAL WF1 WF6 ...

Page 35: ...101 K2 1 1 K1 2 2 KEY 2 3 3 KEY 3 4 4 KEY 1 5 5 KEY 4 6 6 FUNCTION CBA CN2101 is soldered directly to the PCB EV 1 2V 4 EV 1 2V 5 EV 3 3V 7 EV 3 3V 8 P ON 3 3V 9 P ON 5V 10 EV 10V 11 EV 10V 12 GND 13 GND 14 GND 15 GND 16 GND 17 GND 18 GND 19 PWRCON 20 FP DOUT 21 FP DIN 22 FP CLK 23 FP STB 24 REMOTE 25 CN401 CN1001 EV 3 3V 6 5 6 8 9 10 4 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 7 CN1001 is sold...

Page 36: ...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 37: ...upply 7 OUT a KEY 1 Segment Output Key Source 1 8 OUT b KEY 2 Segment Output Key Source 2 9 OUT c KEY 3 Segment Output Key Source 3 10 OUT d KEY 4 Segment Output Key Source 4 11 OUT e Segment Output 12 f 13 g 14 h 15 VEE Pull Down Level 16 OUT i Segment Output 17 OUT 7G Grid Output 18 6G 19 5G 20 4G 21 3G 22 2G 23 1G 24 VDD Power Supply 25 VSS GND 26 IN OSC Oscillator Input 27 OUT FP DOUT Serial D...

Page 38: ... Vin E C B E C B 1 2 3 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 KTA1267 Y AT P KTC3199 GR AT P KTC3205 Y AT P KRA110M AT P KRC103M AT P PS2561A 1 W TL432A TA 2SK3498 16 9 8 1 MM1637XVBE 28 15 14 1 PT6313 S TP L UTC1117YA ...

Page 39: ... Some Ref Numbers are not in sequence A13 A15 A13 2B3 A17 A21 A22 AC1001 2L041 2L071 2L051 F1001 2L105 2L021 2L021 2L021 DVD Main CBA Unit 2L021 2L051 2B38 2L011 2L011 2L011 2L011 2L011 A16 2L031 2L032 1B1 2B1 2L081 2B5 2L081 A23 A1X AV CBA Function CBA JK1202 JK1401 JK1404 2L041 2L044 A29 ...

Page 40: ...1 15 2 E6E71PEX Packing A22 S1 S2 X1 S4 Unit S2 X10 X5 X2 X4 X9 ...

Page 41: ...9F1KVM 2B3 MAIN PCB HOLDER E5932UD 0VM204593D 2B5 REINFORCE PLATE E6A60UD 1VM321919 2B38 PLATE HOLDER E6A35UD 1VM322595 2L011 SCREW TAP TIGHT M3X5 BIND HEAD BLK NI GBHC3050 2L021 SCREW S TIGHT M3X10 BIND HEAD GBJS3100 2L031 SCREW P TIGHT M3X8 BIND HEAD GBJP3080 2L032 SCREW S TIGHT M3X6 BIND HEAD GBJS3060 2L041 SCREW B TIGHT M3X8 BIND HEAD GBHB3080 2L044 S TIGHT SCREW M3X6 BIND HEAD BLACK GBHS3060 ...

Page 42: ...C CAP CH J 220pF 50V CHD1JJ3CH221 C1207 CHIP CERAMIC CAP 1608 CH J 68pF 50V CHD1JJ3CH680 C1208 CHIP CERAMIC CAP 1608 CH J 68pF 50V CHD1JJ3CH680 C1221 ELECTROLYTIC CAP 10µF 16V M H7 CE1CMASSL100 C1222 ELECTROLYTIC CAP 10µF 16V M CE1CMASDL100 C1223 CHIP CERAMIC CAP 1608 CH J 1000pF 50V CHD1JJ3CH102 C1224 CHIP CERAMIC CAP 1608 CH J 1000pF 50V CHD1JJ3CH102 C1245 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V CHD...

Page 43: ...C103MP Q1031 FET 2SK3498 T6L1FUNANQ QF1Z02SK3498 Ref No Description Part No Q1201 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q1202 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q1204 TRANSISTOR KTA1266 Y AT P NQSYKTA1266P Q1351 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q1352 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P RESISTORS R1002 CARBON RES 1 4W J 330 Ω RCX4JATZ0331 R1004 METAL OXIDE FILM RES 1W J 100k Ω RN0...

Page 44: ...00 R2001 CARBON RES 1 6W J 10 Ω RCX6JATZ0100 R2002 CHIP RES 1 10W J 68k Ω RRXAJR5Z0683 R2012 CHIP RES 1 10W J 1k Ω RRXAJR5Z0102 R2013 CHIP RES 1 10W J 1k Ω RRXAJR5Z0102 R2014 CHIP RES 1 10W J 1k Ω RRXAJR5Z0102 R2015 CHIP RES 1 10W J 1k Ω RRXAJR5Z0102 R2016 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R2031 CHIP RES 1 10W J 6 8k Ω RRXAJR5Z0682 R2032 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R2033 CHIP RES 1 10W J...

Page 45: ...herein without the obligation to notify any person or organization of such changes with the design is a registered trademark of Funai Electric Co Ltd and may not be used in any way without the express written consent of Funai All other trademarks used herein remain the exclusive property of their respective owners Nothing contained in this manual should be construed as granting by implication or o...

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