Sharp DV-L70U- User Manual

Sharp DV-L70U

Sharp DV-L70U– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – IMPORTANT SAFEGUARDS AND PRECAUTIONS; IMPORTANT SERVICE NOTES; DVM; TEST PROBE; WARNING :TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE; CAUTION
  • Page 4 – NICKEL-CADMIUM BATTERY; availability of this or other programs in your area.; NICKEL-METAL HYDRIDE BATTERY
  • Page 5 – Dolby
  • Page 7 – For details on the use of each control.
  • Page 8 – DISASSEMBLY METHOD
  • Page 9 – HSY; -2. ADJUSTMENT PROCEDURE AND METHOD OF LCD PWB SIDE; Free run adjustment
  • Page 10 – Power supply voltage check; Input; -4. ADJUSTMENT PROCEDURE AND METHOD OF MAIN PWB SIDE
  • Page 12 – Optimal point
  • Page 13 – Screen position check
  • Page 14 – When a power source is put with pushing a key.
  • Page 20 – • Block Diagram
  • Page 21 – RF SIGNAL PROCESSOR
  • Page 22 – M DRAM
  • Page 25 – FLASH
  • Page 26 – SYSCON
  • Page 28 – Data Buffer; Open drain
  • Page 34 – Unit of resistance is [
  • Page 35 – SERVO PROCCESSOR
  • Page 43 – PHASE
  • Page 49 – EEPROM
  • Page 50 – Vp
  • Page 52 – SEMICONDUCTOR LEAD IDENTIFICATION; S H A R P
  • Page 58 – SCHEMATIC DIAGRAMS
  • Page 61 – AND SHADED COMPONENTS=SAFETY RELATED PARTS
  • Page 62 – PRINTED WIRING BOARD ASSEMBLIES; Componet Side
  • Page 63 – Wiring Side
  • Page 66 – EXPLODED VIEWS; ELECTRICAL PARTS LIST; TRANSISTORS; PRINTED WIRING BOARD ASSEMBLIES; MAIN PWB UNIT
  • Page 67 – PACKAGED CIRCUITS
  • Page 69 – RESISTORS
  • Page 73 – LCD PWB UNIT
  • Page 74 – MISCELLANEOUS PARTS
  • Page 75 – CABINET PARTS
  • Page 76 – MECHANISM EXPLODED VIEW
  • Page 77 – CABINET EXPLODED VIEW
  • Page 78 – PACKING OF THE SET; Not Replacement Items
  • Page 79 – COPYRIGHT C 1999 BY SHARP CORPORATION; No part of this publication may be reproduced,
Loading the manual

1

DV-L70U

SX9Q8DV-L70U/

SERVICE MANUAL

Page

1. IMPORTANT SAFEGUARDS AND PRECAUTIONS ...................................................................... 1-1
2. FEATURES/3. SPECIFICATIONS .................................................................................................. 2-1
4. PART NAMES ................................................................................................................................. 4-1
5. DISASSEMBLY METHOD .............................................................................................................. 5-1
6. ADJUSTMENT METHOD ................................................................................................................ 6-1
7. TEST MODE ................................................................................................................................... 7-1
8. TROUBLESHOOTING .................................................................................................................... 8-1
9. IC FUNCTION LIST ......................................................................................................................... 9-1

10. SEMICONDUCTOR LEAD IDENTIFICATION .............................................................................. 10-1

11. WIRING DIAGRAM ....................................................................................................................... 11-1

12. BLOCK DIAGRAMS ...................................................................................................................... 12-1
13. SCHEMATIC DIAGRAMS ............................................................................................................. 13-1
14. PRINTED WIRING BOARD ASSEMBLIES ................................................................................... 14-1

15. REPLACEMENT PARTS LIST ...................................................................................................... 15-1

16. PACKING OF THE SET ................................................................................................................ 16-1

CONTENTS

SHARP CORPORATION

In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.

MODEL

DV-L70U

SERVICE MANUAL

PORTABLE DVD VIDEO PLAYER

MODEL DV-L70U

PORTABLE DVD VIDEO PLAYER

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Summary

Page 2 - IMPORTANT SAFEGUARDS AND PRECAUTIONS; IMPORTANT SERVICE NOTES; DVM; TEST PROBE; WARNING :TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE; CAUTION

DV-L70U 1. IMPORTANT SAFEGUARDS AND PRECAUTIONS 1-1 IMPORTANT SERVICE NOTES BEFORE RETURNING THE DVD PLAYER Before returning the DVD player to the user, perform thefollowing safety checks. 1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged betweenthe ...

Page 4 - NICKEL-CADMIUM BATTERY; availability of this or other programs in your area.; NICKEL-METAL HYDRIDE BATTERY

DV-L70U 1-3 å å å å å CAUTION BEFORE BATTERY DESTROY Ë Ë Ë Ë Ë NICKEL-CADMIUM BATTERY The following program is available in the United States. Please consult local environmental authorities concerning the availability of this or other programs in your area. The RBRC TM Seal SHARP participates in the...

Page 5 - Dolby

DV-L70U 2. FEATURES 2-1 7" LCD Screen and Stereo Speakers • A big 7" LCD screen and built-in stereo speakers provide exciting DVD viewing, even without connecting to a TV.• Dolby Virtual provides high-quality surround sound. 2-WAY Power Supply • A 2-way power supply allows operation using th...

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