LG 47LD680 User Manual

LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LD03B
MODEL : 47LD650/680 47LD650/680-ZC
MODEL : 47LD650N 47LD650N-ZC
MODEL : 47LD651/690 47LD651/690-ZB
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
Printed in KoreaP/NO : MFL63263111 (1003-REV00)

LG 47LD680 Specifications

General

Screen Size	47 inches
Resolution	1920 x 1080
Display Type	LCD
Backlight Type	LED
HDMI Ports	4
USB Ports	2
Smart TV	Yes
Wi-Fi	Yes
Aspect Ratio	16:9
3D Capable	No
Energy Rating	A
Audio Output	20 W
Ethernet Port	Yes

Summary

SAFETY PRECAUTIONS

IMPORTANT SAFETY NOTICE

Key safety notices for electrical and mechanical parts.

General Guidance

General advice for servicing procedures and precautions.

Leakage Current Cold Check

Procedure to check AC leakage current with antenna cold.

Leakage Current Hot Check

SPECIFICATION

Component Video Input Standards

RGB PC Input Standards

HDMI Input Specifications

ADJUSTMENT INSTRUCTION

Application Range

Designation

Automatic Adjustment

Procedures for automatically adjusting TV parameters.

MAC Address Write

LAN Connectivity

LAN Port Inspection

V-COM Adjustment

Model and Serial Number Download

CI+ Key Download Method

Manual Adjustment Procedures

ADC Adjustment (Saturn5)

Detailed steps for ADC adjustment.

EDID/DDC Data Download

White Balance Adjustment

Overview and How-it-works

Explains the objective and process of white balance adjustment.

Equipment and Conditions

Equipment Connection Map

Adjustment Command Protocol

Adjustment Method

Describes auto and manual methods for white balance adjustment.

EYE-Q Function Check

Ground and Internal Pressure Check

Check Method

Checkpoints

USB Software Download

Block Diagram

Exploded View

Power Supply Circuits