LG 24BL650C Service Manual

- 10 - Copyright © 2018 LG Electronics Inc. All rights reserved.
Only training and service purposes
TROUBLE SHOOTING GUIDE
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
No Power
No Screen on
Replace X100
N
Check JK400
Voltage Level (19V)
Check Power connector
OK ?
Replace Power Connector
Y
N Y
Check IC402 Output
Voltage Level (1.1V, 3.3V)
Replace IC402 &
Recheck
Y
N
Check X100 Clock
14.318MHz
Check IC401 Output
Voltage Level : C460 (5VS)
Replace IC401 &
Recheck
N
Y
Replace IC100 Flash Memory
Y
Replace Cable
N
Module Back Light On?
Check IC400
Replace LED driver IC
Y
N N
Check Panel Power 5V(JP101)
Check IC400 Output 5V
Replace IC400 &
Recheck
Y
N
Check Panel Clock
P108(#10,11,22,23)
Check IC101
Replace Main B/D
Y
N
Check FFC Cable for Damage
or Open Conductors
Check LED Driver FB
(P400)
Replace T-Con Board or
Module
Y

LG 24BL650C Specifications

General

Brand	LG
Model	24BL650C
Category	Monitor
Language	English