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(1) Socket definition
Serial
Position
number
number
1
CON40
3
2
CON11
3
CON13
4
CON14
5
CON17
6
CON4
7
CON5
8
CON1
9
CON15
10
CON12
11
CON13
12
CON8
13
CON9
14
CON10
15
J9
16
J8
17
J5
18
J4
19
J2
20
J6
21
J3
22
CON2
(2) Main components descriptions
Serial
Position
numbe
number
r
A
U16
B
U14
C
U2
D
U3
E
U8
F
U31
Connecting object
Power panel
Power panel
Back light control line
Keyboard
Remote control
receiving board
Standby
Standby
LVDS interface of line
to screen
I²C
Power panel
Standby
Standby
Speaker
Side AV board
VGA audio signal input
SCART2 input
SCART1 input
HDMI input
HD, audio, video
signal input
S terminal input
VGA input
Standby
component
AT24C02BN-10SU-1.8 EEPROM
74LVC14AD
IS42S32200C1-6TL
AT24C64A-10PU-2.7
TCM809SENB713
PI5C3306LE
Function description
GND，GND，+12V，+12V
+12V，+12V，+12V，GND，GND，GND，+5V，
+5V，+5V，+5V，+5V
GND，GND，back light switch control，back light
brightness control
+3.3V、GND、KEY1、KEY2
+3.3V、REMOTE、GND、indicator1、indicator1
+5V_SB , +5V_SB , GND , GND , Power supply
control
L+,L-,R+,R-
Function description
VGA line and field synchronizing signal
shaping
2MX32bits SDRAM, used for video signal
access
EEPROM
MCU reset IC
I²C bus switcher for program upgrading
32
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