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Sharp LC-13B4E - User Manual

Sharp LC-13B4E
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LC-13B4E
LC-15B4E
SERVICE MANUAL
SHARP CORPORATION
LCD COLOUR TELEVISION
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 ...............................................................................................................................................7
» REMOVING OF MAJOR PARTS ..................................................................................................................9
» ADJUSTING PROCEDURE OF EACH SECTION .....................................................................................13
» TROUBLE SHOOTING TABLE ...................................................................................................................17
» CHASSIS LAYOUT .....................................................................................................................................23
» BLOCK DIAGRAM ......................................................................................................................................24
» OVERALL WIRING DIAGRAM ...................................................................................................................26
» DESCRIPTION OF SCHEMATIC DIAGRAM .............................................................................................28
» SCHEMATIC DIAGRAM .............................................................................................................................29
» PRINTED WIRING BOARD ASSEMBLIES ................................................................................................55
» REPLACEMENT PARTS LIST....................................................................................................................65
» PACKING OF THE SET ..............................................................................................................................79
Page
LC-13B4E
LC-15B4E
MODELS
1st Edition
S53A6LC-13B4E

Questions and Answers

  • C
    Christine ReynoldsAug 2, 2025
    What to do if there is no sound from front speakers on Sharp TV?
    • J
      John HartAug 2, 2025
      If there's no sound coming from the front speakers of your Sharp TV, verify all settings within the microprocessor's adjust process menu.
  • H
    Hunter WatsonAug 9, 2025
    What to do if there is no sound from SCART on Sharp LC-13B4E TV?
    • P
      Paul MartinezAug 9, 2025
      If you're experiencing a lack of sound from the SCART connection on your Sharp TV, check all the settings within the microprocessor's adjust process menu.
  • G
    gonzaleskayleeAug 16, 2025
    How to fix Sharp LC-13B4E TV sound failure?
    • B
      Brittany PriceAug 16, 2025
      To troubleshoot a sound failure on your Sharp TV, check IC1901 and its peripheral parts. Additionally, check IC304 and its peripheral parts.
  • D
    Deborah CostaAug 25, 2025
    What to do if there is no sound from headphone on Sharp LC-13B4E TV?
    • D
      Daniel ValenzuelaAug 25, 2025
      If there's no sound coming through the headphones connected to your Sharp TV, check IC1901 and its peripheral parts. You should also check IC1905 and its peripheral parts.

Summary

Description of Schematic Diagram

Important Service Safety Precaution

Before Returning the Receiver (Fire & Shock Hazard)

Checks for fire and shock hazards before returning the unit.

Safety Notice

Highlights critical safety characteristics of electrical components.

Adjusting Procedure of Each Section

Initialization

Writing Model-by-Model Data

Procedure for reprogramming model-specific data for microprocessors.

Precautions in Replacing EEPROMs

Guidance on replacing EEPROMs and the microprocessor.

Adjustment

+B Adjustment

Procedure for adjusting the +B voltage precisely.

Counter-bias Adjustment

Adjusting "COM BIAS" for optimal contrast.

TAMP Adjustment

Adjusting "PAL TAMP" and writing to "SECAM TAMP".

White Balance Adjustment

Adjusting "RCUTOFF" and "BCUTOFF" for color balance.

Factory Setting

Factory Setting Procedure

Steps to perform factory setting after adjustments.

Lamp Error Detection

Lamp Error Detection Function

Description of automatic shutdown due to lamp circuit abnormalities.

Lamp Error Countermeasures

Steps to check and reset lamp error detection.

Trouble Shooting Table

Precautions in Handling the LCD Panels

Main Unit Back Service Precautions

Schematic Diagram

Parts List

Parts Replacement Precautions

Warnings regarding replacement parts and safety.

Cabinet and Mechanical Parts Model:LC-13 B4 E

Cabinet and Mechanical Parts Model:LC-15 B4 E

Accessories

Removing of Major Parts

Packing of the Set

Sharp LC-13B4E Specifications

General IconGeneral
BrandSharp
ModelLC-13B4E
CategoryTV
LanguageEnglish

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