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LG 32LC56 User Manual

LG 32LC56
44 pages
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R
LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LD73A
MODEL : 32LC7D 32LC7D-ZA
MODEL : 32LC55 32LC55-ZA
MODEL : 32LC56 32LC56-ZC
website:http://biz.LGservice.com
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LG 32LC56 Specifications

General IconGeneral
Audio systemmono / stereo / dual
Noise reductionYes
Response time8 ms
Display diagonal32 \
Display brightness450 cd/m²
Display resolution1366 x 768 pixels
Display technologyLCD
Native aspect ratio16:9
Contrast ratio (typical)5000:1
Power requirements100V~240V, 50Hz/60Hz
Number of AV connections1
SCART ports quantity2
Product colorBlack
Power consumption (typical)150 W
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)249 mm
Width (with stand)806.8 mm
Height (with stand)606.5 mm
Weight (without stand)13007 g

Summary

Safety and Servicing Precautions

Important Safety Notices

Essential safety notices and precautions for servicing the chassis to prevent hazards.

General Servicing Guidance

Guidance on handling the receiver during servicing, including isolation transformer use and wire management.

AC Leakage Current Checks

Procedures for checking AC leakage current (cold and hot) to ensure user safety.

General Servicing Procedures

General precautions for servicing, including component handling, cleaning, and electrical safety.

Handling Sensitive Components and Soldering

Techniques for safely handling sensitive devices and guidelines for proper soldering.

Component Replacement and Board Repair

Detailed methods for removing, replacing, and repairing various components and circuit board traces.

Specifications

General TV Specifications

Overall specifications for the TV, including input systems, market, and display details.

Panel, Module, and Optical Features

Specifications for panel, module, and optical features.

Input Signal Modes

Tables detailing supported resolutions, frequencies, and pixel clocks for RGB PC and HDMI inputs.

Adjustment Instructions

Setup, Channel Memory, and EDID

Procedures for initial setup, channel memory configuration, and EDID data management.

Calibration Procedures

Step-by-step instructions for calibrating ADC, RGB, and white balance using pattern generators.

Setting Serial Number and Model Info

Procedures for setting the serial number and model name information in the system.

Troubleshooting

Power Board Fault Diagnosis

Flowchart for diagnosing issues related to the power board output voltages.

Common Faults and Resolution Steps

Diagnostic procedures for common issues like no power, protect mode, no raster, display, and sound problems.

Diagrams and Views

Block Diagram

A schematic overview of the TV's internal components and their interconnections.

Exploded View

An illustration showing the physical assembly of the TV and its parts.

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