Sharp LC-32LE705E/S - Chapter 3. Major IC Informations; Major IC Informations

LC-32/40/46LE705E/S, LU705E/S, LX705E, LC-52LE705E/S
3 – 1
LC-32LE705E
Service Manual
CHAPTER 3. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS
1. DESCRIPTION OF MAJOR ICs
Ref No. Name Part Code Description
[MAIN UNIT]
IC8401 RH-iXC721WJQZQ Flash This IC is 1GB NAND flash memory.
This IC stores the software data that processes the system of TV such as the
graphic processing, the LCD controls, and backlights etc.
IC3302 RH-iXC951WJQZQ Main CPU This IC is Video Processor & MAIN CPU.
In this IC, the decode processing and the video signal processing are done.
Moreover, OSD is generated here and added to a picture signal.
IC2002 RH-iXC786WJQZQ
for service
(RH-iXC786WJNAQ)
UCOM The monitor microprocessor is intended to communicate with the main CPU and to
operate the system. It also controls power of the entire system.
IC3501/
3502
RH-iXC790WJQZQ DDR This IC is 512Mb DDR2 SDRAM.
This IC operates as a memory of IC3302 (Video Processor). ***