LG CKS57F Service Bulletin

1. Model : CJ98,CJ88,CJ87
Main PCB :
EAX67173201 Only
관련 ECO NO :
EKNJ300150
Change Details : R505, R506 : 0RJ4701C678(4.7KΩ, 1005, 5%, 1/16W) → 0RJ4700C678(470Ω, 1005, 5%, 1/16W)
* It should support only the model that produced before 2019.3.27
Page 3
EAX67173201 Main PCB (The Upper Surface)
Check the chip resister value
with Multi tester
After checking R505 or R506 resister value
-If it is about 4.7KΩ, Change Main board
-If it is about 470Ω,
We don’t need to change Main board
Service Bulletin
Product : Mini / Onebody / Louder
Bulletin # :
PNZ201900013-01
Release Date : 2019.08.22

LG CKS57F Specifications

General

Brand	LG
Model	CKS57F
Category	Stereo System
Language	English