VESTEL MB37, Service Manual

Page: 7 / 111

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 about the tuner.
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,

From 45.25MHz to 863.25MHz for CCIR CH)

Including IF AGC with SAW Filter

Bandwidth Switching (7/8 MHz) possible

DC/DC Converter built in for Tuning Voltage

Internal(or External) RF AGC, Antenna Power Optional
2.3. Pinning: