VESTEL 17MB35, Service Manual

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1. INTRODUCTION
17MB35 Main Board consists of MSTAR concept. This IC is capable of handling Audio
processing, video processing, Scaling-Display processing, 3D comb filter, OSD and text
processing, 8 bit dual LVDS transmitter.
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 2x10W (10%THD) for stereo 8 Ω speakers.
Supported peripherals are:
1 RF input VHF1, VHF3, UHF @ 75Ohm(Common)
1 Side AV (SVHS, CVBS, HP, R/L_Audio) (Common)
2 SCART sockets(Common)
1 YPbPr (Common)
1 PC input(Optional)
4 HDMI 1.3 input(2 HDMI inputs are common, 4 inputs are optional)
1 Stereo audio input for PC(Common)
1 Line out(Common)
1 Subwoofer out(Common)
1 S/PDIF output(Common)
1 Side S-Video(Optional)
1 Headphone(Common)
1 Common interface(Optional)
1 Digital USB(Opional)
1 Analog USB(Opional)
1 RS232(Optional)
1 Smart card connector(Optional)
2. TUNER
A horizontal mounted and Digital Half-Nim tuner is used in the product, which covers 3
Bands(From 48MHz to 862MHz for COFDM, from 45.25MHz to 863.25MHz for CCIR
CH). 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 TDTC-G101D:
The Tuner covers 3 Bands(from 48MHz to 862MHz for COFDM, from 45.25MHz to
863.25MHz for CCIR CH). Band selection and Tuning are performed digitally via the I2C
bus.
2.2. Features of TDTC-G101D:

Digital Half-NIM tuner for COFDM

Covers 3 Bands(From 48MHz to 862MHz for COFDM,