Advertisement
Quick Links
LCD TV
SERVICE MANUAL
CHASSIS : LD03B
MODEL : 47LD650/680
MODEL :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL63263111 (1003-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
47LD650N
47LD651/690
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
47LD650/680-ZC
47LD650N-ZC
47LD651/690-ZB
Printed in Korea
Advertisement
Related Manuals for LG 47LD650N
Summarization of Contents
Safety Precautions
Important Safety Notice
Key safety warnings and part identification using symbols for shock, fire, and hazard prevention.
General Guidance
Advice on using isolation transformers, replacing fuses, and managing component placement.
Leakage Current Cold Check
Procedure to check AC leakage current with the AC plug removed from the source.
Leakage Current Hot Check
Method for measuring AC voltage across a resistor for leakage current under power.
Specification
Application Range
Defines the scope of application for the specification to specific chassis models.
Test Requirements
Outlines test conditions like temperature, humidity, power voltage, and pre-operation time.
Test Methods
Details test methodologies, including performance and other specifications like safety and EMC.
Module Optical Specification
Lists optical parameters such as viewing angle, luminance, contrast ratio, and color coordinates.
Component Video Input
Specifies input signal formats and frequencies for component video inputs (Y, Pb, Pr).
RGB (PC) Input
Details input signal formats and frequencies for RGB (PC) inputs, including resolution and pixel clock.
HDMI Input
Lists input signal formats and frequencies for HDMI inputs in DTV and PC modes.
Adjustment Instruction
Application Range
Defines the scope of application for the adjustment instructions to specific chassis models.
Designation
Provides general designation and conditions for performing adjustments correctly.
ADC Adjustment
Details the procedure for Automatic Digital Conversion adjustment for black level and RGB deviation.
MAC Address Write
Explains the process for writing MAC addresses using the serial port and specific software.
LAN Port Inspection
Covers setting up and performing LAN port inspection using a PING TEST program.
V-COM Adjust
Explains the necessity and method for adjusting V-COM (Common Voltage) for liquid crystal driving.
Model Name & Serial Number Download
Describes manual download procedures for model name and serial number initialization.
CI+ Key Download Method
Details the procedure for downloading CI+ keys via RS-232C and verifying the download status.
ADC (Saturn5) Adjustment
Provides an overview, equipment, and detailed adjustment method for ADC calibration.
EDID/DDC Download
Explains the VESA regulation for EDID/DDC data download for optimal display resolution.
White Balance Adjustment
Details the objective, method, and equipment for adjusting white balance for panel W/B deviation.
Adjustment Methods
Covers auto and manual adjustment methods for white balance, including calibration and cautionary items.
EYE-Q Function Check
Describes the procedure for checking the EYE-Q function and sensor status.
Tool Option Selection
Lists tool options for different models, likely for service adjustments.
Ship-out Mode Check
Explains how to check the unit's status after final inspection before shipping.
GND and Internal Pressure Check
Details methods for performing GND and internal pressure auto-checks for safety.
Audio Specification Check
Lists measurement conditions and specifications for audio output and speaker performance.
USB S/W Download
Describes the procedure for downloading software via USB, including update messages and restart.
Need help?
Do you have a question about the 47LD650N and is the answer not in the manual?
Questions and answers