This document is the LCD TV service manual released by Hisense Electric Co., Ltd. in August 2009. It covers warnings, precautions, factory/service OSD menu and adjustment, software upgrading, troubleshooting, exploded view, and schematic circuit diagram.
This service manual provides detailed safety precautions, handling guidelines, and recommended tools for servicing the Hisense MTK8222 LCD television. It emphasizes the use of original replacement parts, proper grounding, and safe power‑off procedures before any repair work.
The document includes sections on accessing the factory OSD menu, performing software upgrades with MediaTek tools, troubleshooting various inputs (remote, audio, HDMI, VGA, YPbPr), an exploded view of the chassis, and schematic diagrams to aid technicians in diagnosis and repair.
| Chassis | MTK8222 |
|---|
The manual provides a step‑by‑step procedure in section 2 to access the Factory OSD Menu, which is required for menu adjustments and settings.
Immediately turn off the power and disconnect the TV to prevent fire or electric shock.
No, the manual states that modules or other components must never be replaced while the unit is powered.