Brand:
LG
Category: Desktop Computer
Document Type: Parts/Service
Language: EN
Parts/Service for CQ600N
Uploaded: Nov. 21, 2025, 7:25 p.m.
Manual Publish Date: 2022-05-01
Warranty Information
This manual is for training and service purposes only and does not contain warranty information.
The document provides a comprehensive service manual for the LG CloudDevice, model CQ600N. It includes sections on safety precautions, general specifications, block diagrams, exploded views, troubleshooting guides, and software update procedures. The manual details how to perform AC leakage current checks, replace components, and update BIOS and operating system images. It serves as a technical reference for service personnel.
Troubleshooting and error codes
| No Power On (Cold-Boot Power Sequence) | Action | Result | Next Step |
|---|---|---|---|
| VDC_IN | Check Adapter | N/A | NO.1 |
| VPOWERRAIL | Check Voltage Level (19V)? | N | Check power connector |
| Y | Replace power connector or adapter | ||
| EC_SYS_PWROK (R321) voltage level, High (3.3V)? | N | Check cold boot power sequence | |
| Y | Check cold boot power sequence | ||
| Y | Replace part which has no output | ||
| Y | Replace SPI Flash (IC310) | ||
| Y | Replace EC IC (IC190) |