CK57 Service bulletin (26 pages)
- Brand: LG
- Model: CK57
- Format:
- Key Aspects: Model Variations and Compatibility, Product Performance Metrics, System Connectivity and Wiring Basics
- Updated: 10.09.2026
- Source File: 1720463.pdf
- Pages: 26
- Description: LG CJ98: Service bulletin with first-time setup, periodic checks, plus recycling notes. [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…