General Description Of Samsung Dtos403Lh122X; Features Of Dtos403Lh122X - Sharp LC-40SH340K Service Manual

LC-40SH340E
LC-40SH340K

2.1.General description of Samsung DTOS403LH122X:

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 DTOS403LH122X:

x
Receiving System: This TUNER is designed to cover the air channels in VHF and UHF, compliant
with DVB-T standard. and It covers all Analog channels from 48.25MHz to 863.25MHz
x
Receiving Channel (Digital, Center frequency):
x
VHF Low CH. E2 ~ S10 ( 50.5MHz ~ 170.5MHz )
x
VHF High CH. E5 ~ S41 ( 177.5MHz ~ 466 MHz )
x
UHF CH. E21 ~ E69 ( 474 MHz ~ 858 MHz )
x
Receiving Channel (PAL, Picture carrier frequency):
x
VHF Low CH. E2 ~ S10 ( 48.25MHz ~ 168.25MHz )
x
VHF High CH. E5 ~ S41 ( 175.25MHz ~ 463.25MHz )
x
UHF CH. E21 ~ E70 ( 471.25MHz ~ 863.25MHz )
x
Intermediate Frequency:
x
Digital(center) DVB-T (36.167 MHz)
x
Digital(center) DVB-C (36.125 MHz)
x
Analog(picture) 38.9 MHz
x
Input Impedance
x
Band Change-Over System
x
Tuning System
x
Internal(or External) RF AGC function :Built in wideband AGC detector with 6 programmable take-
over points
: 75Ÿ 8QEDODQFHG
: PLL Control System
: Electronic Tuning System With PLL
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