Haier L37A9A Service Manual - Key Ic Description
Key IC Description
U4 T5BS4-9999: 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER
The single-chip microcomputer operate using sophisticated instructions featuring a high level of instruction
efficiency. With 1M bytes of address space, they are capable of executing instructions at high speed. In addition,
this microcomputer contains a multiplier and DMAC which combined with fast instruction processing capability.
U1 SVP-CX32: VIDEO DECODER+DE-INTERLACE+SCALE
The SVP_CX32 video processor is a highly integrated system on a chip device, targeting the converging
HDTV-ready and PC-ready and LCD TV, PDP TV, and DLP TV applications where high precision processing of
video and data are the requirements. SVP_CX32 contains dual-purposed triple 10-bit high-precision and
high-speed video ADCs for both PC and video inputs, a high performance 6th generation multi-format 3D digital
comb video decoder that supports NTSC, PAL and SECAM, an HDTV sync separator, motion adaptive
de-interlacing engine, and the video format conversion engine.
U11
SiI 9023:
8-bit Analog and HDCP Interface for Advanced Digital Displays
The SiI 9023 integrates both analog interfaces and HDCP compliant receivers for enabling advanced
digital display devices such as digital TVs, plasma displays, LCD TVs and projectors to receive and display.
Compliant with the HDCP 1.0 specification and HDMI 1.2, the SiI 9023 enables consumer electronic devices to
receive uncompressed, high quality, digital video HD content over double HDMI cable.
U43 MSP3415G: AUDIO DECODER
The MSP 34 x5G family of single-chip Multistandard Sound Processors covers the sound processing of all
analog TV-Standards worldwide,
U2 IS42S32200C1-6TL: 64M SDRAM
U23 TDA8947: The TDA8947J / N1 contains four identical audio power amplifiers.
The
TDA8947J /
N1 can be used as four single ended (SE) channels with a fixed gain of 20 dB,
two
times bridge tied load (BTL) channels with a fixed gain of 26 dB or two times single
ended
(20 dB gain) and one bridge tied load (26 dB gain) channel for a 2.1 system.
U19 74HC4051: The74HC4051;74HCT4051 is a high-speed Si-gate CMOS device and is pin
compatible
with Low-power Schottky TTL(LSTTL).The device is specified incompliance with
JEDEC
standard no. 7A.
The 74HC4051; 74HCT4051 is an 8-channel analog multiplexer/demultiplexer with three
digital select inputs (S0 to S2), an active-LOW enable input
, eight independent
inputs/outputs
(Y0 to Y7) and a common input/output (Z).