6. Model :
CK99
Main PCB :
EAX67876301
ECO NO :
EKNJ300169
Change Details : R523, R524 : 0RJ4701C678(4.7KΩ, 1005, 5%, 1/16W) → 0RJ4700C678(470Ω, 1005, 5%, 1/16W)
* It should support only the model that produced before 2019.3.29
Page 8
EAX Main PCB (The upper surface)
Check the chip resister value
with Multi tester
Service Bulletin
Product : Mini / Onebody / Louder
Bulletin # :
PNZ201900013-01
Release Date : 2019.08.22
After checking R523 or R524 resister value
-If it is about 4.7KΩ, Change Main board
-If it is about 470Ω,
We don’t need to change Main board
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