Trouble Shooting Guide - LG 65LX570H Service Manual
Hide thumbs
Also See for 65LX570H:
- Commercial mode setup manual (71 pages) ,
- Owner's manual (44 pages)
Advertisement
1. Power-Up Boot Fail Trouble Shooting guide
Check P401 Voltage Level
(13.2V, L403)
Y
Check IC5002
RESET and UPDATE pin
Y
Check X5000 Clock
32.768KHz
Y
Check IC5002 IIC
communication state
Y
Check IR input state of IC5002
57pin
Y
Re-download PTC Micom
2. No OSD Trouble Shooting guide
Check P401 Voltage Level
(13.2V, L403)
Check Q405 output Voltage(12V)
Y
Check LVDS Cable
Y
Check LCD Module
Control board
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
TROUBLE SHOOTING GUIDE
N
Check power connector and RL_ON
signal OK ?
N
Check switch SW501, SW502
Check X5000 application circuit or
N
Replace X5000
N
Check IIC line or replace IC5002
N
Check IR board
N
Check power connector and
RL_ON(pin1) signal OK ?
N
Check Q405 application circuit or
replace Q405
N
Replace Cable
- 17 -
Y
Replace Power board
Y
Replace Power board
LGE Internal Use Only
Advertisement
