LG CJ98 Service Bulletin

[Others][Apply the modified main board to improve Disk Open / Close malfunction.
Bulletin Type : SVC Notice
Applicable for Serial Number : ALL Serial
Applicable for models MINI / Onebody
- MINI *(CJ98,CJ88,CJ87,CJ65,CJ45,CJ44,CK99,CK57,CK56,CK43)
- Onebody *(OJ98, OK99, OM4560, OK45, OK55, OK75)
Disc Tray does not work when we push Disc
Symptoms
open or Disc close button
Open or Close signal of the models that use
Cause
MCS DSP IC is affected to each set impedance
1. Repair Instruction
For repairing this issue, we need to change Main Board after checking resistor value.
1) Measurement and replacement of main board is applied to the use of long-term inventory and to all boards to be
received
from the field in the future
2) If issue is happened, Change from issue Main Board to improved Main Board after checking the resister value because it
has
no Part Number changing.
(Improved Main Board information : The Board that is produced after '19.3.27 / '19.3.29 / '19.4.8)
The Board after '19.3.27 : CJ98, CJ88, CJ87
The Board after '19.3.29 : CJ45, CJ44, CJ65, CK57, CK56, CK43, CK99
The Board after '19.4.8 : OJ98, OK99, OM4560, OK45, OK55, OK75
※ Please refer to next page for each model's service method
Service Bulletin
(Measure and replace the main board)]
 Parts Others Applicable only with symptoms
repair
Picture
Page 1
Product : Mini / Onebody / Louder
Bulletin # : PNZ201900013-01
Release Date : 2019.08.22
with every
