Electrical schematics UM2199
66/69 DocID030512 Rev 1
Figure 38. 5.7” LCD board
1
1
2
2
3
3
4
4
D D
C C
B B
A A
STMicroelectronics
Title:
Number: Rev: Sheet of
B.1(PCB.SCH)
Date:
6/7/2013MB1063 1 1
5.7 inch LCD board
Backlight driver & PFC connector for LCD panel
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
45 46
47 48
49 50
CN2
P127B-2*25MGF-079-1A
VDD
R2
R3
R4
R5
B2
B3
B4
B5
G2
G3
G4
G5
I2C_SDA
I2C_SCL
ENB
HSYNC
VSYNC
INT
CLK
BL_CTRL
INT
HSYNC
VSYNC
CLK
ENB
R2
4K7
R7
4K7
VDD
R8
[N/A]
R1
[N/A]
VDD
C3
4.7uF
C4
100nF
BLGND
BLVDD
R6
4K7
R5
4K7
R4
4K7
R3
4K7
VDD
DCLK
38
HSYNC
3
VSYNC
8
DE
9
U/D
1
B0
19
B1
18
B2
17
B3
15
B4
14
B5
13
G0
27
G1
26
G2
25
G3
23
G4
22
G5
21
R0
35
R1
34
R2
33
R3
31
R4
30
R5
29
VCC
7
VLED
4
NC
2
ADJ
12
L/R
40
VSS
10
VSS
16
VLED
5
VLED
6
VSS
11
VSS
20
VSS
24
VSS
28
VSS
32
VSS
36
VSS
37
VSS
39
CN1
089H40-000000-G2-C
BL_CTRL
BLVDD
GPIO11/MISO
3
RES
8
INT
7
VCC
1
GND
4
SDA/MOSI
2
SCL
5
GPIO10/CS
6
CN3
CSF-2481-081R
I2C_SDA
I2C_SCL
R16
4K7
R15
4K7
VDD
R14
[N/A]
R13
[N/A]
VDD
C5
100nF
Touch panel connector for LCD panel
Connector for motherboard
AM640480G5TNQW-T00H
RST
RST
C1
4.7uF
C2
100nF
TP1
TP2
TP3
GND
BLGND
VDD
R12
[N/A]
R11
[N/A]
VDD
Default I2C Address:1000000
R7
B6
B7
G6
G7
R6
R2
R3
R4
R5
R7
R6
G2
G3
G4
G5
G6
G7
B2
B3
B4
B5
B6
B7
C6
100nF
C7
100nF
R9
4K7
FTSH-125-01-F-DV-K (Samtec)
ote1: Text in italic placed on a wire doesn’ t correspond to net name. It just helps to identify
rapidly MCU IO related to this wire.
ote2: Pull up resistor R9 was added from Version A.1 to B.1
ote3: Backlight On/Off control circuit wass removed from Version A.1 to B.1
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