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Mitsubishi DD-7040, Руководство по обслуживанию

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Video / Audio Block Diagram

E5732BLV

1-7-5

1-7-6

DVD MAIN CBA UNIT

IC601

(AUDIO DAC)

7

8

12
11

DIGITAL

AUDIO OUT

JK1202

JK1404

AMP

Q1351

IC1201

Q1203

Q1201

Q1202

+3.3V

(AMP)

CN601

CN1601

13

13

AUDIO-L

15

15

AUDIO-R

14

14

A-L-MUTE

16

16

A-R-MUTE

12

12

A-MUTE

1

1

I/P-SW

AUDIO-L

OUT

1
2
3

13

14

15

16

FROM/TO

SYSTEM

CONTROL

/SERVO

BLOCK

DIAGRAM

FROM

DIGITAL

SIGNAL

PROCESS

BLOCK

DIAGRAM

SERIAL

PORT

SERIAL

CONTROL

4X/8X

OVERSAMPLING

DIGITAL FILTER

/FUNCTION

CONTROLLER

ENHANCED

MULTI-LEVEL

DELTA-SIGMA

MODULATOR

DAC

LPF+AMP

L-CH

R-CH

LPF+AMP

DAC

ZERO DETECT

SYSTEM CLOCK

1

2

6

7

5

AUDIO-R

OUT

PCM-BCK

SPDIF

PCM-DATA3
PCM-LRCLK

ADAC-MD
ADAC-MC
ADAC-ML0

PCM-SCLK

AV CBA

AUDIO SIGNAL

DATA(AUDIO) SIGNAL

18

18

SPDIF

A-MUTE

I/P-SW

+3.3V

Q1204

WF6

3

WF4

WF5

CN601

7

7

VIDEO-Y

9

9

VIDEO-C

5

5

VIDEO-Cb

3

3

VIDEO-Cr

VIDEO-Y
VIDEO-C
VIDEO-Cb
VIDEO-Cr

JK1401

S-VIDEO OUT

CN1601

3

4

2

1

IC1402

(VIDEO DRIVER)

18

4dB

AMP

2dB

AMP

LPF

DRIVER

Y

C

21

2dB

AMP

DRIVER

4dB

AMP

2dB

AMP

LPF

DRIVER

15

4dB

AMP

2dB

AMP

LPF

DRIVER

9

13

4dB

AMP

2dB

AMP

LPF

MUTE

DRIVER

11

3

COMPOSITE

VIDEO OUT

VIDEO-Cb

OUT

VIDEO-Y

OUT

VIDEO-Cr

OUT

SW1401

PROGRESSIVE

/INTERLACE

JK1404

6

2

23

FROM DIGITAL

SIGNAL PROCESS

BLOCK DIAGRAM

VIDEO SIGNAL

WF1

WF2

WF3

+5V

FIBER OPTIC
TRANS MODULE

IC1204

Содержание DD-7040

Страница 1: ...S 1 6 1 BLOCK DIAGRAMS 1 7 1 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 1 8 1 WAVEFORMS 1 9 1 WIRING DIAGRAM 1 10 1 FIRMWARE RENEWAL MODE 1 11 1 SYSTEM CONTROL TIMING CHARTS 1 12 1 IC PIN FUNCTION DESCRIPTIONS 1 13 1 LEAD IDENTIFICATIO 1 14 1 EXPLODED VIEWS 1 15 1 MECHANICAL PARTS LIST 1 16 1 ELECTRICAL PARTS LIST 1 17 1 MITSUBISHI DIGITAL ELECTRONICS AMERICA INC 9351 Jeronimo Road Irvine CA 92618 1...

Страница 2: ...Manufactured under license from Dolby Laboratories Dolby and the double D symbol are trademarks of Dolby Laboratories ...

Страница 3: ... 3 Load imp 100 K ohm 4 Room ambient 5 C 40 C ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 ohm load Vpp 1 0 0 1 2 Optical Digital Out dBm 18 3 Audio PCM 3 1 Output Level 1kHz 0dB Vrms 2 0 3 2 S N dB 120 3 3 Freq Response DVD fs 48kHz 20 22kHz dB 0 5 CD fs 44 1kHz 20 20 kHz dB 0 5 3 4 THD N DVD 1 kHz 0dB 0 0025 CD 1 kHz 0dB 0 003 ...

Страница 4: ...tion shown in the figure When checking the laser diode be sure to keep your eyes at least 30cm away from the pickup lens when 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 Do not look directly at the laser beam coming from the pickup or allow it t...

Страница 5: ...te 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 solder ing F Observe that the wir...

Страница 6: ...ference only Be sure to confirm the precise values 2 Leakage Current Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF termi nals 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 ...

Страница 7: ...ve the flat pack IC with tweezers while apply ing 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 twee zers Fig S 1 6 Caution 1 Do not supply hot air to the chip parts around the flat pa...

Страница 8: ...l pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing ...

Страница 9: ...ur due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is prop erly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench 1 Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the sem...

Страница 10: ...rges part of a DVD reproduced image 15 REV Button Fast reverse playback to a desired point 16 SEARCH MODE Button Press to locate a desired point 17 REPEAT Button Repeats playback of the current disc title chapter or track 18 MODE Button Activates program playback or random playback mode when playing DVD Audio CDs or MP3 JPEG Picture CD WMA Also sets Black level Image Quality mode and Noise Reducti...

Страница 11: ...DEO CD Lights up when a Video CD is inserted Lights up when a DVD is inserted Displays a title number Lights up when playback control is activated Displays how long a current title or track has been played back When a chapter or track has switched the number of a new title chapter or track is displayed Displays a chapter or track number Displays the disc status Power on Power off Tray open and clo...

Страница 12: ... 1 7 Release three Locking Tabs L 4 Then remove the Front Assembly 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 2 1 Disconnect Connector CN301 Remove three Screws S 5 and lift the ...

Страница 13: ... Assembly Tray Panel A A L 3 L 1 L 1 B L 2 L 4 L 4 Fig D2 S 2 S 4 S 3 3 Rear Panel Fig D3 S 5 S 5 S 6 S 9 L 5 L 5 S 7 S 8 S 8 CN201 CN7102 CN301 7 DVD Main CBA Unit 8 Main CBA Holder 6 DVD Audio CBA 5 Shield Plate CN1601 CN1001 CN1602 4 DVD Mecha Fig D4 ...

Страница 14: ...ckup Unit C B Short the three short lands by soldering Short the three short lands by soldering FPC Cable Connector Slide DVD Mecha View for C View for A OR A Fig D5 9 AV CBA S 10 S 10 10 Function CBA Desolder from bottom Fig D6 ...

Страница 15: ...1 6 4 E5732DC Rotate this roulette in the direction of the arrow A View for A HOW TO MANUAL EJECT 1 Remove the Top Case 2 Rotate the roulette in the direction of the arrow as shown below ...

Страница 16: ...IVE 1 4 1 4 PLL2 X451 MULTI PLL X TAL OSC 36 864MHz OSC SPINDLE MOTOR DRIVE TRACKING ACTUATOR DRIVE EXT CLOCK 2ch L 6ch H ADAC ML1 A MUTE2 M MUTE ADAC ML2 CLK33M BE CLOCK 172 170 150 TRAY OUT TRAY IN FG IN 97 SLD 70 SPDL 71 TRACKING DRIVE 152 FOCUS DRIVE 60 66 TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM FS FS TS TS FROM TO VIDEO AUDIO BLOCK DIAGRAM TO DVD AUDIO BLOCK DIAGRAM CN7102 51 ADAC MD 50 ADAC ...

Страница 17: ...ONTROLLER TIMER WATCH DOG TIMER 32BIT CPU STREAM I F EXTERNAL MEMORY I F SDRAM ECC UMAC 124 125 122 123 128 129 126 127 131 130 135 133 132 134 78 DEBUG BCU INST CACHE D TYPE LATCH DATA CACHE D A D A D A TO VIDEO AUDIO BLOCK DIAGRAM 158 164 Y C Cr Cb VIDEO Y VIDEO C VIDEO Cr VIDEO Cb TO VIDEO AUDIO BLOCK DIAGRAM TO DVD AUDIO BLOCK DIAGRAM CN7102 CN901 181 178 179 180 SPDIF 175 PCM BCK 176 PCM DATA...

Страница 18: ... R CH LPF AMP DAC ZERO DETECT SYSTEM CLOCK 1 2 6 7 5 AUDIO R OUT PCM BCK SPDIF PCM DATA3 PCM LRCLK ADAC MD ADAC MC ADAC ML0 PCM SCLK AV CBA AUDIO SIGNAL DATA AUDIO SIGNAL 18 18 SPDIF A MUTE I P SW 3 3V Q1204 WF6 3 WF4 WF5 CN601 7 7 VIDEO Y 9 9 VIDEO C 5 5 VIDEO Cb 3 3 VIDEO Cr VIDEO Y VIDEO C VIDEO Cb VIDEO Cr JK1401 S VIDEO OUT CN1601 3 4 2 1 IC1402 VIDEO DRIVER 18 4dB AMP 2dB AMP LPF DRIVER Y C ...

Страница 19: ...ONTROL 4X 8X OVERSAMPLING DIGITAL FILTER FUNCTION CONTROLLER ENHANCED MULTI LEVEL DELTA SIGMA MODULATOR DAC LPF AMP LPF AMP DAC ZERO DETECT SYSTEM CLOCK 7 8 11 12 1 2 3 13 14 15 16 SERIAL PORT SERIAL CONTROL 4X 8X OVERSAMPLING DIGITAL FILTER FUNCTION CONTROLLER ENHANCED MULTI LEVEL DELTA SIGMA MODULATOR DAC LPF AMP LPF AMP DAC ZERO DETECT SYSTEM CLOCK 7 8 11 12 1 2 3 13 14 15 16 SERIAL PORT SERIAL...

Страница 20: ...n 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 IC1006 SHUNT REGULATOR REG AC1001 AC CORD F1001 1A 250V LINE FILTER L1001 D1001 D1002 D1004 D1005 Q1003 Q1001 2 4 7 3 4 IC1001 ERROR VOLTAGE DET T1001 11 12 13 15 14 16 17 18 SWITCHING SWITC...

Страница 21: ... 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 speci fied in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these draw ings for ordering The correct part number is shown in ...

Страница 22: ...ability 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 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Voltage indications for PLAY and STOP mode on the schematics are as shown below 6 How...

Страница 23: ...DVD Main 1 3 Schematic Diagram 1 8 3 1 8 4 E5732SCD1 ...

Страница 24: ...DVD Main 2 3 Schematic Diagram 1 8 5 1 8 6 E5732SCD2 ...

Страница 25: ... 2 0 31 63 3 4 3 4 95 3 4 0 1 127 2 0 2 0 32 64 0 8 0 8 96 3 4 3 4 128 2 0 2 0 PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 2 0 2 0 161 0 5 0 5 193 225 1 9 1 9 130 2 2 2 2 162 1 4 1 4 194 0 0 226 3 3 3 3 131 2 3 2 3 163 195 3 3 3 3 227 132 0 4 0 1 164 0 9 0 9 196 228 133 1 2 0 4 165 3 3 3 3 197 229 134 0 4 0 1 166 1 5 1 5 198 0 0 230 0 0 135 0 2 0 2 167 0 0 199 231 136 2...

Страница 26: ...DVD Main 3 3 Schematic Diagram 1 8 9 1 8 10 E5732SCD3 ...

Страница 27: ...LE N UTILISER QUE DES FUSIBLE DE MÊME TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole reprèsente un fusible à fusion rapide 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 th...

Страница 28: ...AV 2 3 Schematic Diagram 1 8 13 1 8 14 E5732SCAV2 ...

Страница 29: ...h h g g g c c c b e e e f f f VIDEO CD A B DVD CHP TRK PBC TITLE 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f g c d e f g c d e f g h c d e f g c d e f g c d e f g h i a b a b a b a b a b FL2001 MATRIX CHART PBC TITLE CD VIDEO A B DVD CHP TRK 1 8 15 1 8 16 E5732SCAV3 ...

Страница 30: ...DVD Audio Schematic Diagram 1 8 17 1 8 18 E5732SCDA ...

Страница 31: ...N UTILISER QUE DES FUSIBLE DE MÊME TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole reprèsente un fusible à fusion rapide 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 A...

Страница 32: ...USE 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 Ce symbole reprèsente un fusible à fusion rapide 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 ci...

Страница 33: ...FUNCTION CBA Top View FUNCTION CBA Bottom View 1 8 23 BE5730F01015 1 8 24 ...

Страница 34: ...DVD Audio CBA Top View 1 8 25 BE5732F02011 1 8 26 ...

Страница 35: ...DVD Audio CBA Bottom View 1 8 27 BE5732F02011 1 8 28 ...

Страница 36: ...TOP MODE WF1 WF3 WAVEFORMS WF6 SPDIF Pin 18 of CN1601 1V 0 1µsec WF1 Pin 7 of CN1601 WF3 Pin 21 of IC1402 WF4 AUDIO L Pin 13 of CN1601 1V 0 5msec WF5 AUDIO R Pin 15 of CN1601 1V 0 5msec WF2 Pin 9 of CN1601 VIDEO Y 0 2V 20µsec VIDEO C 0 2V 20µsec VIDEO CVBS 0 5V 20µsec ...

Страница 37: ...OUT EV 1 5V 3 3 K2 1 1 KEY 2 2 2 NU 3 3 GND 4 4 KEY 4 5 5 KEY 3 6 6 DRIVE CBA 19 20 VIDEO Y OUT VIDEO Cb OUT VIDEO Cr OUT SPDIF 18 18 AUDIO L 13 13 A L MUTE 14 14 AUDIO R 15 15 A R MUTE 16 16 AUDIO 5V 17 17 GND VREF P ON 5V F E C B D A PD MONI DVD LD GND LD GND DVD PD TS FS FS TS GND CD PD CD LD CD DVD FS TS DETECTOR 11 2 3 5 6 4 7 FG CBA FG SENSOR TRAY OUT M SLED MOTOR M SPINDLE MOTOR CN701 2 SDA...

Страница 38: ...let Then plug it again 7 Turn the power on by pressing the power button and the tray will close 8 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 9 Press 3 button on the remote control unit Fig h appears on the screen 10 To exit this mode press POWER button F W Version Up Mode Please insert a DISC for F W Version Up EXIT POWER Fig a Version Up...

Страница 39: ...y Open Tray IN TL221 3 3V 0V 0V 3 3V 0V 1 65V 0V 0V 0V 1 65V 1 65V 1 65V Tray OUT TL220 Sled Drive TP303 Disc Drive TP301 Focus Drive TP304 Tracking Drive TP302 Tray Close Disc Rotation Play Disc Stop Tray Open SYSTEM CONTROL TIMING CHARTS ...

Страница 40: ...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 In f 13 In g 14 Out 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 Seri...

Страница 41: ...267 Y BN1L3Z P A K C E LTV 817 B C F KIA431 AT 2SK3374 PQ070XF01SZ K A R 1 2 3 4 Note A Anode K Cathode E Emitter C Collector B Base R Reference G Gate D Drain S Source 1 Vin 2 Vo 3 GND 4 Vc 24 13 12 MM1622XJBE 1 0C 0805T 002 GP1FA513TZ 1 2 3 2SA1037AK T146Q KTA1504Y RTK 2SC2412K T146S KTC3875GR RT C B E 16 9 8 PCM1751DBQR 1 1 3 6 4 NC7SB3157P6X S D G LEAD IDENTIFICATIONS ...

Страница 42: ...03 2B3 2L101 2B12 2B17 2L104 B 2B8 A17 2L031 2L071 A15 2L031 2L031 1B1 2L021 A2 2L021 2L021 A13 2L041 A13 F1001 AC1001 A21 2L011 2L011 2L011 A16 2L011 2L011 A1X See Electrical Parts List for parts with this mark Some Ref Numbers are not in sequence AV CBA FUNCTION CBA 2L041 2L043 B A32 EXPLODED VIEWS Cabinet ...

Страница 43: ...2 Part Number Description I B DD7040 OWNER S GUIDE NA016UD REMOTE N79F1GVM MECHA PU N79MCGUP PCB MAIN DD 7040 OVM204133 FRONT ASSY OVM306091 COVER TOP OVSA14121 PCB ASSY AV FUNCTION OVSA14124 PCB AUDIO DD 7040 DD 8040 ...

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