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1. INTRODUCTION
17MB22 Main Board consists of Micronas concept , VCTP as controller. This IC is
capable of handling Audio processing, video processing, motion adaptive up
conversion(MAU), Scaling-Display processing and FPD control (DPS), unified memory
for audio video and Text, 3D comb filter, PC connectivity, OSD and text processing.
TV supports PAL, SECAM, NTSC colour standards and multiple transmission standards
as B/ G, D/K, I/I' and L/L' including German and NICAM stereo.
Sound system output is supplying 2x 8W (10%THD) for stereo 8Ω speakers
Supported peripherals are:
1 RF input VHF1, VHF3, UHF @ 75Ohm
1 FAV input
3 SCART sockets
1 SVHS input
1 Stereo Headphone input
1 YPbPr
1 PC input
2 HDMI input
1 Stereo audio input for PC
2. TUNER
As the thickness of the TV set has a limit, a horizontal mounted tuner is used in the
product, which is suitable for CCIR systems B/G, H, L/ L', I/I' and D/ K. The tuning is
available through the digitally controlled I2C bus (PLL). Below you will find info on the
Tuner in use.
2.1 General description of UV1316
The UV1316 tuner belongs to the UV 1300 family of tuners, which are designed to meet
a wide range of applications. It is a combined VHF, UHF tuner suitable for CCIR
systems B/G, H, L, L', I and I'. The low IF output impedance has been designed for
direct drive of a wide variety of SAW filters with sufficient suppression of triple transient.
2.2 Brief description
The DTT 713XX is designed for digital terrestrial reception in VHFIII and UHF, compliant
with the European digital terrestrial standard ETS 300744. In addition it covers all channels
from 44.25MHz to 863.25MHz. It is a two band concept, VHF and UHF, with VHF switched
between VHF low (VHFI) and VHF high (VHFIII). Optional an antenna loop through function,
a combiner to feed through an RF-modulator signal to the TV output, a buffered 4MHz
crystal oscillator output, a DC/DC converter to generate 32V tuning voltage can be provided.
Instead of RF modulator input, an antenna power supply input is possible.
The DTT 713XX has the possibility to activate an internal wide band RF AGC.
Tuning, band switching and internal RF AGC is controlled via I2C bus. The metal housing
is in world standard tuner size. The module complies with the requirements of radiation,
signal handling capability and immunity interference of CENELEC standards EN 55013
and EN 55020.
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