Table of Contents
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1 INTRODUCTION
The purpose of this document is to define the operation of 17MB29 chassis, capable of driving 22"
TFT LCD panel. It is aimed to provide information to engineering staff to understand the operation and specs
of the TV. The other related technical documents are given in Table1:
Title
1
17MB29 schematics
2
IR receiver and LED display board schematics
3
Keypad board schematics
4
DVD module card schematics
5
DVB-T module card schematics
2 GENERAL DESCRIPTION
The system is a low to mid end; 22" 1680 x 1050 TFT TV solution basically for EU market with
VCT4913G microcontroller / video audio processor chip on a 2-layer PCB. Since the target market is EU, the
first release of the TV will support PAL/SECAM B/G/D/K/I/L/L'. The target panel is 22" W 1680 x 1050
TFT-LCD panels. A DVD loader is used to read DVD content and a DVB-T module card is used to support
DVB-T.
Inputs
• 1xTuner (both analog and DVB-T)
• 1xDVD
• 1xScart
• 1xPC (VGA)
• 2xHDMI (optional)
• 1xBack AV (optional)
• 1xSIDE YPBPR (optional)
Outputs
• Speaker (stereo, 2x4 Ω, 2x4Watt)
• Headphone (stereo) (optional)
• Audio line out (stereo and mono) (optional)
• DVD/DVB-T coaxial SPDIF out(optional)
Table1.1: Related documents
1
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