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SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1-1
LASER BEAM SAFETY PRECAUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2-1
IMPORTANT SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3-1
STANDARD NOTES FOR SERVICING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4-1
OPERATING CONTROLS AND FUNCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5-1
CABINET DISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 IDENTIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-14-1
EXPLODED VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-15-1
MECHANICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-16-1
ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-17-1
MITSUBISHI ELECTRIC
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.

TABLE OF CONTENTS

9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2003 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
Service
Manual
DVD PLAYER
MODEL
DD-8050
2004

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Summary of Contents for Mitsubishi DD-8050

  • Page 1: Table Of Contents

    ELECTRICAL PARTS LIST ............. . .1-17-1 MITSUBISHI ELECTRIC MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC. 9351 Jeronimo Road, Irvine, CA 92618-1904 Copyright © 2003 Mitsubishi Digital Electronics America, Inc. All Rights Reserved...
  • Page 2 Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby Laboratories.
  • Page 3: Specifications

    SPECIFICATIONS ITEM CONDITIONS UNIT NOMINAL LIMIT 1. Video Output 75 ohm load ± 0.1 2. Optical Digital Out 3. Audio (PCM) 3-1. Output Level 1 kHz 0 dB Vrms 3-2. S/N 3-3. Freq. Response fs=48kHz ± 0.5dB 20~22 k fs=44.1kHz ± 0.5dB 20~20 k 3-4.
  • Page 4: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location 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.
  • Page 5: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice I. Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not evi- K.
  • Page 6 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, Chassis or Secondary Conductor and wires have been returned to their original posi- tions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety Primary Circuit Terminals standards.
  • Page 7: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder When soldering, be sure to use the Pb free solder. 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 8 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each (1) Using desoldering braid, remove the solder from all pin or the solder lands under the IC when removing pins of the flat pack-IC.
  • Page 9 2. Installation With Iron Wire: (1) Using desoldering braid, remove the solder from all (1) Using desoldering braid, remove the solder from pins of the flat pack-IC. When you use solder flux the foil of each pin of the flat pack-IC on the CBA so which is applied to all pins of the flat pack-IC, you you can install a replacement flat pack-IC more can remove it easily.
  • Page 10 Instructions for Handling Semi-conductors Electrostatic breakdown of the semi-conductors may occur 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.
  • Page 11: Operating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS FRONT PANEL ® 9. Numeric Buttons REMOTE CONTROL 10. CLEAR Button Resets a setting. 11. TITLE Button Displays the title menu. 12. Arrow Buttons Use to scroll and cycle through disc and player menus and settings. 13.
  • Page 12 REAR VIEW ANALOG AUDIO OUT VIDEO OUT CENTER 5.1 CH AUDIO OUT DIGITAL AUDIO OUT (PCM/BITSTREAM) SUBWOOFER S-VIDEO OPTICAL COAXIAL VIDEO FRONT SURROUND 3132 29. Power Cord 34. VIDEO OUT Jack 30. Left AUDIO OUT Jack 35. COMPONENT VIDEO OUT Jacks 31.
  • Page 13: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassembling, follow the steps in reverse order.
  • Page 14 (S-3B) CN201 [1] Top Case (S-3A) (S-3B) (S-1) (S-1) CN501 CN601 CN301 [4] DVD Main CN401 CBA Unit (S-1) Fig. D1 (S-2) Short the three short lands by soldering. (Either of two places.) [3] Reinforce Plate (L-1) (L-3) Connector View for A Fig.
  • Page 15 [10] 5.1ch Amp CBA CN1301 (S-7) (S-8) (S-8) (S-6) (S-10) [11] Jack [6] Function CBA Holder CN2001 [7] AV CBA [8] DVD (L-4) (L-4) Mecha [9] Main (S-9) Holder Fig. D5 Fig. D6 HOW TO EJECT MANUALLY (Method 1) 1. Remove the Top Case, Reinforce Plate and DVD Main CBA Unit. 2.
  • Page 16 HOW TO EJECT MANUALLY (Method 2) 1. Turn the unit over. 2. Insert the shaft less than a diameter of 3 mm (e.g. screw- driver) straightly into the opening as shown. View for B 3. Turn the shaft along with the opening clockwise. Rear 4.
  • Page 17: Block Diagrams

    BLOCK DIAGRAMS System Control / Servo Block Diagram 1-7-1 E5932BLS...
  • Page 18 Digital Signal Process Block Diagram 1-7-2 E5932BLD...
  • Page 19 Video Block Diagram E5932BLV 1-7-3...
  • Page 20 Audio Block Diagram 1-7-4 E5932BLA...
  • Page 21 SACD Block Diagram 1-7-5 E5932BLSA...
  • Page 22 Power Supply Block Diagram 1-7-6 E5932BLP...
  • Page 23: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replace- ment components rated for higher voltage, wattage, etc.
  • Page 24 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. 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.
  • Page 25 DVD Main 1/5 Schematic Diagram 1-8-3 1-8-4 E5932SCD1...
  • Page 26 DVD Main 2/5 Schematic Diagram 1-8-5 1-8-6 E5932SCD2...
  • Page 27 IC101 VOLTAGE CHART PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----...
  • Page 28 DVD Main 3/5 Schematic Diagram 1-8-9 1-8-10 E5932SCD3...
  • Page 29 DVD Main 4/5 Schematic Diagram 1-8-11 1-8-12 E5932SCD4...
  • Page 30 DVD Main 5/5 Schematic Diagram 1-8-13 1-8-14 E5932SCD5...
  • Page 31 AV 1/3 Schematic Diagram CAUTION CAUTION ! NOTE : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 32 AV 2/3 Schematic Diagram 1-8-17 1-8-18 E5932SCAV2...
  • Page 33 AV 3/3 & Function Schematic Diagram FL2001 MATRIX CHART SACD SACD PSCAN REPEAT REPEAT TITLE GROUP PSCAN HD VCD GROUP TITLE 1-8-19 1-8-20 E5932SCAV3...
  • Page 34 5.1ch Amp Schematic Diagram 1-8-21 1-8-22 E5932SCA...
  • Page 35 AV CBA Top View CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES NOTE : If Main Fuse (F1001) is blown, check to see that all components in the power supply D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
  • Page 36 AV CBA Bottom View CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES NOTE : If Main Fuse (F1001) is blown, check to see that all components in the power supply D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
  • Page 37 FUNCTION CBA Top View FUNCTION CBA Bottom View 1-8-27 1-8-28 BE5930F01011B...
  • Page 38 5.1CH AMP CBA Top View 5.1CH AMP CBA Bottom View 1-8-29 1-8-30 BE5932F01011...
  • Page 39: Waveforms

    WAVEFORMS Pin 8 of CN1601 Pin 16 of CN1601 VIDEO-Y VIDEO-Y 0.2V 0.2V 20µs AUDIO-R AUDIO-R 0.5ms 0.5ms Pin 10 of CN1601 Pin 19 of CN1601 VIDEO-C VIDEO-C 0.2V 0.2V 20µs SPDIF SPDIF 0.1µs C1402 PLUS LEAD NOTE: Input CD: 1kHz PLAY (WF4~WF6) DVD: POWER ON (STOP) MODE VIDEO-CVBS...
  • Page 40: Wiring Diagram

    WIRING DIAGRAM 1 SCLOCK 2 GND 3 NU 4 EV+3.3V(D) 5 SDATA 6 RESET 7 NU 8 GND 9 TRCDATA1 9 NU 10 NU 11 NU P-ON+5V 20 12 NU CD/DVD 19 13 NU D 18 A 17 C 16 B 15 VIDEO-Y(I) E 14...
  • Page 41: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. checksum in (*2) of Fig. e appears on the VFD. 2. To put the DVD player into version up mode, press (Fig. f) [9], [8], [7], [6], and [SEARCH MODE] buttons on "...
  • Page 42: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Tray Close ~ Play / Play ~ Tray Open Tray Disc Disc Tray Play Close Rotation Stop Open 3.3V Tray IN (TL221) Sled Drive 1.65V (TP303) 1.65V Disc Drive (TP301) 1.65V Focus Drive (TP304) Tracking Drive 1.65V (TP302) 1-12-1...
  • Page 43: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC2001 [ PT6313-S ] Signal In/Out Name Function Name FP-CLK Clock Input FP-STB Serial Interface Strobe Key Data 1 Input Key Data 2 Input Power Supply a / KEY-1 Segment Output / Key Source-1 Segment Output / Key b / Key-2 Source-2 Segment Output / Key...
  • Page 44: Lead Identifications

    LEAD IDENTIFICATIONS 2SD1913(R) 2SC2785(H) 2SA1015-Y(TPE2) 2SK3498 BN1L3Z(P) KTA1266(Y) KRA105M-AT KTC3205(Y) KRA110M KTA1267(Y) KTC3199(GR) G D S E C B E C B KIA4558P FAN431AZXA NJM4558D PT6313-S-TP KIA431-AT MM1636XWRE NJM4580M-TE1 SC16313 K A R PQ070XZ5MZP MM1637XVBE LTV-817B-F LTV-817C-F PS2561A-1(Q,W) 1: Vin 2: Vc 3: Vo 4: Vadj...
  • Page 45: Exploded Views

    EXPLODED VIEWS Cabinet 2L011 2L011 2L103 DVD Audio CBA 2L081 2L011 2L011 2L081 2L101 2L101 2L021 2L021 W1301 2B19 2L011 2L021 2L105 2L021 AC1001 F1001 DVD Main CBA Unit 2L031 2L032 Function CBA AV CBA 2L041 See Electrical Parts List for parts with this mark.
  • Page 46 Packing Unit 1-15-2 E5932EX...
  • Page 47 PARTS LIST Part Number Description I/B DD8050 I/B DD8050 NA900UD REMOTE WAC0162LW003 CORD-POWER OVM101377 COVER-TOP OVM204671 FRONT-ASSY 1VM320271 GIFT BOX CARTON USESJRSKK037 I/R RECEIVER N79FOHVM MECHA-P/U ASSY OVM101344 PACKING-SIDE PAD E5900UD 1VSA10541 PCB-AV-ASSY (AV & FUNCTION) 1VSA10538 PCB-DVD AUDIO N79M2HUP PCB-MAIN 1-16-1...

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