LC-37XD1E/RU SUPPLEMENT
3 – 1
LC-37XD1E
Service Manual
CHAPTER 3. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS
1. DESCRIPTION OF MAJOR ICs
REF NO Name Part Code Description
Dwg.
Code
IC1905 HDMI-
Receiver
VHISII9025+-1Q The SiI9025 is a second generation panel Link Cinema receiver that is compatible with
the HDMI 1.2 (High Definition Multimedia interface) specification. The SiI9025 is capa-
ble of receiving and outputting two channel digital audio at up to 192KHz - an excellent
solution for Digital TVs. The features of this IC are as follows.
1) Digital video interface supports video processors:
2) Analog RGB and YPbPr output: 10-bit DAC
3) Digital audio interface supports high-end audio systems:
M1
[POWER
SUPPLY
SECTION]
IC705 Switching
Regulator
VHIMR4020++-1 This IC is a power supply for the switching regulator on the primary side,
Overvoltage/overcurrant protection circuit, other protection circuits and control circuits
are built in this IC.
P1
[DIGITAL
SECTION]
IC4203 16Mbit-
FLASH
RH-IXC100WJZZQ This IC is a high performance CMOS super technology 16Mbit Flash Memory.
Start software (loader) for the CPU with a built-in digital processor and application soft-
ware have been written on this Flash Memory.
The digital processor reads these softwares on start-up and implements them.
D2
[DIGITAL
TUNER
SECTION]
IC201 IF-PLL
Demodulator
VHITDA9886+-1 This IC is an alignment-free multistandard (PAL, SECAM and NTSC) vision and sound
IF signal PLL demodulator for positive and negative modulation, including sound AM
and FM processing.
TUN
ER
IC202 DVB-T
RECEIVER
RH-IXB964WJZZQ This IC is an OFDM demodulation single chip which converts the IF input signal of
OFDM into the MPEG2 signal and outputs it, and is a demodulation IC for terrestrial
broadcasting including compressed video, audio, and data service.
This IC complies with DVB-T(ETS 300 744).
TUN
ER
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