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Sharp LC-22AD1E - User Manual

Sharp LC-22AD1E
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LC-22AD1E
SERVICE MANUAL
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.
CONTENTS
» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................... 2
» SPECIFICATIONS ................................................................................................................................... 4
» OPERATION MANUAL ............................................................................................................................ 5
» DIMENSIONS .......................................................................................................................................... 9
» REMOVING OF MAJOR PARTS ........................................................................................................... 10
» TROUBLE SHOOTING TABLE ............................................................................................................. 15
» ADJUSTING PROCEDURES ................................................................................................................ 22
» SOFTWARE UPGRADE PROCEDURE DIGITAL BROADCASTING RECEIVER UNIT ...................... 36
» MAJOR IC INFORMATIONS ................................................................................................................. 39
» CHASSIS LAYOUT ................................................................................................................................ 56
» BLOCK DIAGRAM ................................................................................................................................. 59
» OVERALL WIRING DIAGRAM .............................................................................................................. 62
» DESCRIPTION OF SCHEMATIC DIAGRAM ........................................................................................ 64
» SCHEMATIC DIAGRAM ........................................................................................................................ 65
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................... 94
» PARTS LIST..........................................................................................................................................114
» PACKING OF THE SET....................................................................................................................... 133
Page
SHARP CORPORATION
MODEL
LCD COLOUR TELEVISION
LC-22AD1E
S14N8LC22AD1E2E

Table of Contents

Questions and Answers

  • M
    Michael BellAug 10, 2025
    What to do if my Sharp LC-22AD1E LCD TV has no picture?
    • D
      Douglas EvansAug 11, 2025
      If your Sharp LCD TV shows no picture, you can try the following: Check the power line, the tuner and its peripheral parts, the power input/output of the tuner and its peripheral parts. Also check all the settings microprocessor’s adjust process menu. You can also try a software download via PC card.
  • K
    kchoiAug 21, 2025
    What to do if Sharp LCD TV DTV sound fails?
    • J
      John RodriguezAug 21, 2025
      If your Sharp LCD TV's DTV sound fails, check the tuner and its peripheral parts, and ensure the cable is properly inserted. If the problem persists, consider exchanging the DTV unit, as it might be a tuner part issue.
  • Y
    ywatersAug 30, 2025
    How to fix a Sharp LC-22AD1E LCD TV fluorescent lamp that won't light up?
    • R
      richard71Aug 30, 2025
      If the fluorescent lamp on your Sharp LCD TV fails to light up, check all connections of each unit, referring to the overall wiring diagram. Check all the settings in the microprocessor’s adjust process menu. If these steps don't resolve the issue, replace the fluorescent lamp with a new one.

Sharp LC-22AD1E Specifications

General IconGeneral
Screen Size22 inches
Display TypeLCD
Aspect Ratio16:9
Brightness300 cd/m²
Resolution1366 x 768 pixels
Input PortsComponent, Composite, SCART, VGA

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