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Hisense MTK8222 User Manual

Hisense MTK8222
75 pages
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LCD Television
Service Manual
Chassis MTK8222
Ver 1.2
Hisense Electric Co.Ltd.
December2010
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Hisense MTK8222 Specifications

General IconGeneral
Display TypeLCD
Refresh Rate60 Hz
HDMI Ports2
USB Ports2
BluetoothYes
CPUMediaTek MTK8222
CPU Core CountQuad-core
Wi-FiYes

Summary

Precautions and Notices

Safety Warnings

Discusses critical components, unauthorized modifications, ESD, and the importance of using original parts.

Handling and Service Notes

Provides notes on safe handling of LCD panels and during service operations.

Factory and Service OSD Menu

Entering the Factory OSD Menu

Explains procedures to enter the factory mode using remote controls.

Factory OSD Menu Options

Details White Balance, Factory RESET, Color Temp, Picture Mode, and Factory Option settings.

Designer Menu Options

Lists Picture Mode, Brightness, Contrast, Saturation, and Audio Set menus.

Software Upgrading Procedures

Pre-Upgrade Instructions

Outlines essential steps before upgrading software, including backups and EEPROM clearing.

Upgrade Preparation

Covers driver installation and hardware connection for software upgrades.

MtkTool Software Upgrade

Details the process of using MtkTool for firmware upgrades, including interface usage.

USB Direct Software Update

Describes the method for updating software directly via USB drive.

Circuitry and Signal Flow

Power Supply and Block Diagram

Explains power voltage distribution and provides a system block diagram.

Image and Signal Processing

Details the signal paths for RF, video, and audio processing within the TV.

Main IC Component Descriptions

Provides descriptions and pinouts for key integrated circuits used in the TV.

Troubleshooting Guide

Remote Control Troubleshooting

Flowchart for diagnosing and resolving issues with the TV's remote control.

Function Key Troubleshooting

Flowchart for diagnosing and resolving issues with the TV's physical function keys.

No Power Troubleshooting

Flowchart for diagnosing and resolving issues when the TV does not power on.

Audio Troubleshooting

Flowchart for diagnosing and resolving issues related to no audio output.

Video Input Troubleshooting

Flowchart for diagnosing issues with TV, VGA, and HDMI video inputs.

YPbPr Input Troubleshooting

Flowchart for diagnosing and resolving issues with YPbPr component video input.

Video/S-Video Input Troubleshooting

Flowchart for diagnosing and resolving issues with Video and S-Video inputs.

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