LG OK45 User Manual

[Others][Apply the modified main board to improve Disk Open / Close malfunction.
(Measure and replace the main board)]
Service Bulletin
Applicable for Serial Number : ALL Serial
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
Page 1
Applicable for models MINI / Onebody
- MINI *(CJ98,CJ88,CJ87,CJ65,CJ45,CJ44,CK99,CK57,CK56,CK43)
- Onebody *(OJ98, OK99, OM4560, OK45, OK55, OK75)
Bulletin Type : SVC Notice Parts Others Applicable only with symptoms with every
repair
Symptoms
Disc Tray does not work when we push Disc
open or Disc close button
Picture
Cause
Open or Close signal of the models that use
MCS DSP IC is affected to each set impedance


Product : Mini / Onebody / Louder
Bulletin # :
PNZ201900013-01
Release Date : 2019.08.22

LG OK45 Specifications

General

Brand	LG
Model	OK45
Category	Stereo System
Language	English

Summary

Repair Instruction for Disk Open/Close Malfunction

Symptoms and Cause of Malfunction

Describes the symptoms and the underlying cause of the Disk Open/Close malfunction.

Resistance Measurement Procedure

Details the method for checking resistance values using a multimeter.

Model-Specific Repair Details

Repair for MINI CJ98, CJ88, CJ87

Specific repair steps for MINI models CJ98, CJ88, and CJ87.

Repair for MINI CJ45, CJ44

Specific repair steps for MINI models CJ45 and CJ44.

Repair for MINI CJ65

Specific repair steps for MINI model CJ65.

Repair for MINI CK57, CK56

Specific repair steps for MINI models CK57 and CK56.

Repair for MINI CK43

Specific repair steps for MINI model CK43.

Repair for MINI CK99

Specific repair steps for MINI model CK99.

Repair for Onebody OJ98

Specific repair steps for Onebody model OJ98.

Repair for Onebody OK99

Specific repair steps for Onebody model OK99.

Repair for Onebody OM4560, OK45

Specific repair steps for Onebody models OM4560 and OK45.

Repair for Onebody OK55, OK75

Specific repair steps for Onebody models OK55 and OK75.

Part Information and Changes

Current and New Part Details

Lists part numbers and visual details for current and new assemblies.

Extended Warranty Information

Provides details on the extended warranty coverage for this service.