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SERVICE
TFT-LCD TV
LA32C550J1R/LA37C550J1R/
LA40C550J1R LA46C550J1R
Refer to the service manual in the GSPN (see the rear cover) for the more information.
LCD-TV
Chassis
: N94A
Model
: LA32C550J1R
LA37C550J1R
LA40C550J1R
LA46C550J1R
Manual
1. Precautions
2. Product specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
Contents
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Table of Contents
Related Manuals for Samsung LA46C550J1R
Summarization of Contents
Precautions
Safety Precautions
General safety, servicing, and ESD precautions to prevent damage and hazards.
General Servicing Precautions
Precautions for servicing the LCD TV, including power disconnection and tool usage.
ESD Precautions
Techniques to reduce component damage from static electricity during servicing.
Installation Precautions
Safety guidelines for carrying and installing the product to prevent hazards.
Product Specifications
Features and Specifications
Detailed features and technical specifications for LA32C550J1R, LA37C550J1R, LA40C550J1R, LA46C550J1R models.
Detail Factory Option
Factory options for main board replacement and configuration.
Specification Comparison
Comparison of specifications between C550 and B550 series models.
Frequency Tables
Channel frequency tables for analog, digital, and cable TV across various regions.
Accessories
List of accessories included with the TV, such as remote control, batteries, and stand.
Disassembly and Reassembly
Disassembly Procedures
Step-by-step instructions for disassembling the LCD TV, including stand and panel removal.
Troubleshooting
No Power Troubleshooting
Diagnostic steps and solutions for the "No Power" symptom.
No Video Troubleshooting
Troubleshooting steps for "No Video" with Analog PC, HDMI, Tuner, and CVBS signals.
No Sound Troubleshooting
Diagnostic steps and solutions for the "No Sound" symptom.
Alignments and Factory Mode
Procedures for TV alignment, adjustments, and factory mode operations.
White Balance Calibration
Procedures for white balance calibration and service adjustments.
Servicing Information
Information on USB download method for firmware upgrades.
Exploded View & Part List
LA32C550J1R Exploded View
Exploded view diagram showing the parts of the LA32C550J1R model.
LA32C550J1R Parts List
List of parts for the LA32C550J1R model with corresponding codes and specifications.
LA46C550J1R Exploded View
Exploded view diagram showing the parts of the LA46C550J1R model.
LA46C550J1R Parts List
List of parts for the LA46C550J1R model with corresponding codes and specifications.
Wiring Diagram
Wiring Diagrams
Diagrams illustrating the internal wiring connections for LA32/37C550 and LA40/46C550 models.
Connector Pin Assignments
Detailed pin assignments for various connectors on the main board, IP board, and audio/AV sections.
Wiring Picture and Functions
Visual wiring illustration and explanation of connector functions and defective symptoms.
Cable Identification
Identification and photos of various cables used in the TV models.
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