LG 42LV4400, Service Manual

Page: 34 / 137

CONFIDENTIAL – DO NOT COPY
Page 7-8
File No. SG-0000034
S/PDIF interface
One SPDIF out
Digital TV (ATSC) Demodulator
Compliant with ATSC digital television standard
Support SCTE DVS-031 and ITU J.83 Annex B digital CATV standard
Accept direct IF (44 MHz or 43.75 MHz) and low IF (5.38 MHz)
NTSC interference rejection capability
Pass all Brazil fading channel ensembles
Meet all ATSC/A74 requirements
Excellent adjacent and co-channel rejection capability, only a single SAW is required
Dual digital AGC controls for IF and RF, respectively
Full-digital frequency offset recovery with wide acquisition range
EIA/CEA-909 antenna interface, both mode A and mode B are supported
Analog TV IF Demodulator
Supports NTSC/PAL/SECAM standard
Accept IF frequency at 45.75/38.25 MHz
Full digital AGC control and carrier recovery
Peripherals
Two built-in UARTs with Tx and Rx FIFO.
There basic serial interfaces; one is for the tuner, one is the master for general purpose, the
other one extra slave serial interfaces used for HDMI EDID data
Three PWMs
IR receiver
Real-time clock and watchdog controller
The MT5376 includes 1-link USB2.0/1.1 (supports external hub) for USB mass storage class
device.
Built-in uP for standby mode
Supports one serial flash
Supports six-input low-speed 6-bit ADC.
Supports boundary scan (JTAG)