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Chapter 2 Function brief introduction of main ICs of
1. Main ICs and functional modules of Akai LCD TV with LS01core
No.
Item no.
1
U15
2
U1
3
U2
4
U3
5
U4
6
U5
7
U6
8
U8
9
U9
10
U35
11
U14
12
U16、U25 AT24C02BN-10SU-1.8
14
U18、U22 AZ1117H -1.8TRE1
16
U19、U24 AZ1117H -3.3TRE1
18
U20
19
U21
20
U23
21
U26
22
U28、U29 Rclamp0514M.TBT
24
U30
25
U31
26
U33
LCD TV with LS01 core
Model
JS-6H2/121
SVP-CX32LF
IS42S32200C1-6TL
AT24C64A-10PU-2.7
T5BS4-9999
SST39VF040-70-4C-NHE
74ALVC573PW
TCM809SENB713
74HCT4052D
STV-8217/STV-8218
74LVC14AD
AZ1084S -3.3TRE1
AZ1084S -1.8TRE1
AZ78L08ZTR-E1
CS4344-CZZ
ANX9011L
PI5C3306LE
TDA8944J
Main function
High frequency head, output sound and image
video signal
Video decode, image processor, A/D and D/A
conversion
SDRAM with 2MX32bits, used for the
image signal.
EEPROM
MCU，main control IC
Flash, whole machine control program is in it
Address latch, to latch the address wires
Hardware reset IC of MCU
Audio input switch of AV terminal
Audio signal processor
VGA line and field synchronizing signal waveform
shaping
EEPROM
3.3V to 1.8V DC level conversion
5V to 3.3V DC level conversion
5V to 3.3V DC level conversion
5V to 1.8V DC level conversion
12V to 8V DC level conversion
HDMI digital audio decode, D/A conversion
ESD protection device of HDMI input terminal
HDMI digital signal decode
Bus (SDA, SCL) switch used for program update
Sound power amplifier (BTL output)
access of
6
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