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1.8
LCM Trouble
1.8.1 Test Point
1.8.2 Circuit Diagram
LCM Cnnector
J901
1
GND
2
IOVCC(2.8V)
3
RESET
4
GND
5
D17
6
D16
7
D15
8
D14
9
D13
10
D12
11
D11
12
D10
13
D9
14
D8
15
D7
16
D6
17
D5
18
D4
19
D3
20
D2
21
D1
22
D0
23
RD
24
WR
25
RS
26
CS
27
FMARK
28
IOVCC(2.8V)
29
VCC(2.8V)
30
GND
31
CATHODE3
32
CATHODE2
33
CATHODE1
34
ANODE
35
GND
04 6293 035 001 829+
VDD
LCM_LRSTB
LCM_D17
LCM_D16
LCM_D15
LCM_D14
LCM_D13
LCM_D12
LCM_D11
LCM_D10
LCM_D9
LCM_D8
LCM_D7
LCM_D6
LCM_D5
LCM_D4
LCM_D3
LCM_D2
LCM_D1
LCM_D0
LCM_LRDB
LCM_LWRB
LCM_LPA0
LCM_CS
LCM_VSY NC
LCM_LED3
LCM_LED2
LCM_LED1
LCM_LED+
C901
1.00uF
U901
18V
LCM_LRSTB
8
4
8
4
LCM_D17
7
3
7
3
LCM_D16
6
2
6
2
LCM_D15
5
1
5
1
U902
18V
LCM_D14
8
4
8
4
LCM_D13
7
3
7
3
LCM_D12
6
2
6
2
LCM_D11
5
1
5
1
U903
18V
LCM_D10
8
4
8
4
LCM_D9
7
3
7
3
LCM_D8
6
2
6
2
LCM_D7
5
1
5
1
U904
18V
LCM_D6
8
4
8
4
LCM_D5
7
3
7
3
LCM_D4
6
2
6
2
LCM_D3
5
1
5
1
U905
18V
LCM_D2
8
4
8
4
LCM_D1
7
3
7
3
LCM_D0
6
2
6
2
LCM_LRDB
5
1
5
1
U906
18V
LCM_LWRB
8
4
8
4
LCM_LPA0
7
3
7
3
LCM_CS
6
2
6
2
LCM_VSY NC
5
1
5
1
-68-
LRSTB
NLD[8..17]
NLD[8..17]
NLD17
NLD16
NLD15
NLD14
NLD13
NLD12
NLD11
NLD10
NLD9
NLD8
NLD7
NLD[0..7]
NLD[0..7]
NLD6
NLD5
NLD4
NLD3
NLD2
NLD1
NLD0
LRDB
LWRB
LPA0
/LCM_MAIN_CS
GPIO35_LCD_VSY NC
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