LG 32LF550U-ZA User Manual

Printed in KoreaP/NO : MFL68646111 (1503-REV00)
CHASSIS : LD55T
MODEL : 32LF550U 32LF550U-ZA
32LF551C 32LF551C-ZA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
LED TV
SERVICE MANUAL
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only

LG 32LF550U-ZA Specifications

General

Screen Size	32 inches
Display Type	LED
Resolution	1366 x 768
Refresh Rate	50 Hz
HDMI Ports	2
USB Ports	1
Smart TV	No
Built-in Wi-Fi	No
Energy Rating	A+
Audio Output	10 W
Digital TV Standard	DVB-T2

Summary

SAFETY PRECAUTIONS

Leakage Current Hot Check

Procedure to check AC leakage current using specific resistor and capacitor setup.

SERVICING PRECAUTIONS

Electrostatically Sensitive (ES) Devices

ADJUSTMENT INSTRUCTION

Main PCB check process

Total Assembly line process

White Balance adjustment

HI-POT Test

Trouble shooting guided

Standard Repair Process

A. Video error

Troubleshooting steps for video-related issues like no video or picture problems.

B. Power error

Troubleshooting steps for power supply issues like no power or intermittent power.

C. Audio error

Troubleshooting steps for audio-related problems such as no sound or distorted audio.

D. Function error

Troubleshooting for remote control and external device recognition issues.

E. Noise