Cxd2820D - Sharp LC-40LE530E Service Manual

DVB-T Demodulator
o Compliant with DVB-T
o All digital demodulation and timing recovery loops
o CCI and ACI rejection capability
o Impulse-Noise suppression
o Direct 36MHz, 44MHz IF sampling scheme from tuner
DVB-C Demodulator
o Compliant with DVB-C(EN300429) and ITU-T J.83 Annex A/C
o Supports symbol rates up to 7M Baud
o Single IF filter bandwidth for all symbol rates
Configurable parallel/serial MPEG2 transport stream interface
Supports I2C interface
RF_AGC
RF_AGC
IF_AGC
IF_AGC
I2CM_SCL
PWR_6V6 I2CM_SCL
I2CM_SDA
I2CM_SDA
DIF_1
DIF_1
DIF_2
DIF_2

CXD2820D

The Sony CXD2820R is a combined DVB-T2, DVB-T and DVB-C demodulator that
conforms to the ETSI EN 302-755 (second generation Terrestrial) ETSI EN 300-744
(Terrestrial) and ETSI EN 300-429 (Cable) standards.
The CXD2820R is a DVB-T2 demodulator offering class-leading performance,
optimised BOM requiring no external memory and low processor overhead. It includes a
Figure 22: MSB1222 Block Diagram
5V_SYS
3V3_SYS
DIF_1
DIF_2
I2CM_SCL
I2CM_SCL
I2CM_SDA
I2CM_SDA
RF_AGC
RF_AGC
IF_AGC
IF_AGC
02_MSB1222
Figure 23: MSB1222 Application Circuit
45
PWR_6V6
3V3_SYS
TUN_RESET
5V_SYS
TUN_RESET
TS_MCLK
TS_MCLK
TS_MSYNC
TS_MSYNC
TS_MVALD
TS_MVALD
TS_MD[7..0]
TS_MD[7..0]
I2C_SCL_S
I2C_SCL_S
I2C_SDA_S
I2C_SDA_S
LC-32LE530
LC-40LE530