Service manual
SAM4S ER-900/SPS-300 SERIES 11-5
N.C
N.C
D6
N.C
D4
D0
D2
R/W
VSS
20
22
18
14
16
12
8
10
6
2
4
NO
KB
D6
D0
D2
19
21
13
15
87
9
2
4
1
3
KR
KG
D7
CE2
D1
D3
VDD
D(6)
D(5)
D(3)
D(2)
D(0)
DD
10
22
LD(0:7)
MAX 240m A
M A X 2 4 0m A
KB
A
KG
A
A
IF=60 m A
/WE
D4
6
NO
5
17
11
D5
EN
D(7)
D(4)
D(1)
DD
44
33
11
VLCD
LD(6)
LD(2)
LD(0)
LD(0:7)
LCD_RGB(R)
22
20
LD(7)
14
16
LD(3)
LD(1)
10
8
LCD_D/I_OUT
2
4
AA
19 N.C
21
17 N.C
LED_A(5V)
13 D7
15 N.C
11 D5
7 D1
9 D3
5 EN
1 VDD
3
SIG NAME
LCD_RGB(KB)_IN
LCD_RGB(KR)_IN
LCD_CONTADJ_3
LCD_CONTADJ_4
BB
LCD_CE1_LEFT_OUT
D(5)
D(6)
D(2)
D(3)
D(0)
CC
LCD_CE3_RIGHT_OUT
LCD_CE2_CENTER_OUT
LCD_D/I_OUT
LCD_RW_OUT
VOUT
CE1
VSS
VCONTRAST
Devide By S/W Control
LD(6)
LD(4)
LD(0)
LCD_RW_OUT
LD(2)
LD(0:7)
File Name
SizeSize
20
22
14
16
10
DATA/INST
LCD_RGB(KB)_IN
LCD_RGB(KR)_IN
LCD_RGB(KG)_IN
20
LD(7)
LD(5)
14
LD(1)
/CS2_LCD_OUT
LD(3)
8
LCD_D/I_OUT
2
/RESET
LCD_CE1_LEFT
LCD_CE2_CENTER
LCD_RW
/OE
4
of
1.0
Rev
/CS2_LCD
LD(7)
LD(6)
LD(4)
LD(3)
LD(1)
LD(0)
LD(0:7)
44
33
22
11
LD(4)
LCD_RW_OUT
LCD_RGB(B)&BACKLIT
LCD_RGB(G)
BackLit GND
AA
LD(5)
/CS2_LCD_OUT
VDD50V
12
18
6
2
3
1
Q18
MMBT2222A
2
3
1
Q17
MMBT2222A
2
3
1
Q16
MMBT2222A
LCD DRIVE
KR
MAX 2 4 0m A
IF= 6 0 m A IF=60mA
BB
1K
R116
VDD50V
1K
R164
VDD33V
2
3
1
Q27
MMBT2222A
2
3
1
Q29
MMBT2222A
100pF
C83
D(0:15)
VLCD
100uF
CE11
16V
2
3
1
KSA1182-Y
Q22
2
3
1
KSA1182-Y
Q23
2
3
1
KSA1182-Y
Q24
2
3
1
KSA1182-Y
Q25
D(7)
D(4)
D(1)
CC
VDD50V
R145
56K
R149
56K
15K
R146
15K
R151
1uF
C89
MMBD6050
D8
VDD50V
RA2 100
VDD50V
/CS2_LCD_OUT
/RESET_OUT
LCD_CE1_LEFT_OUT
R/W
CE3(192*64)
SIG NAME
R147
10K
A3A3
Date
D(0:15)
18
12
nRESET
SIG NAME
22
18
16
10
12
VDD50V
4
6
LCD_D/I
LCD_CE3_RIGHT
MMBD6050
D7
H.T JANG
LD(5)
LD(2)
VDD33V
VDD33V
2
3
1
Q13
MMBT2222A
R114
470
2
3
1
Q11
MMBT2222A
2
3
1
Q12
MMBT2222A
MAX 2 40m A
MAX 2 4 0m A
M A X 2 4 0m A
R129
10K
R166
470
1K
R167
2 3
1
KSA1182-Y
Q15
2
3
1
Q28
MMBT2222A
R128
470
VDD50V
100nF
C88
2
3
1
Q26
MMBT2222A
MMBD6050
D11
56K
R148
15K
R150
RA1 100
MMBD6050
D10
100nF
C94
LED_K(GND)
21
19
13
15
LCD_RGB(B)&BACKLIT
7
9
DATA/INST
SIG NAME
3
LCD_CONTADJ_1
LCD_CONTADJ_2
LCD_RGB(KG)_IN
LCD(2LINE) BACKLIT=5V
LCD_CE3_RIGHT_OUT
INVT_/WE
LD(7)
LD(6)
LD(4)
LD(3)
LD(1)
LD(0)
NEWNET MAIN.SCH
Sheet
TITLE :
SPS300&ER900 MAIN B'D
/RESET_OUT
192*64 LCD PIN CONNECTION
19
LCD_CE2_CENTER_OUT
13
7
2LINE LCD PIN CONNECTION
11
17
1CN9:A
CON-BOX;22P,2MM,2R,ST
5
1K
R115
LCD BackLit Color(B) Volt. Supply (TYP 240mA)
1K
R113
LCD BackLit Color(G) Volt. Supply (TYP 240mA)
100nF
C70
1K
R111
LCD BackLit Color(R) Volt. Supply (TYP 240mA)
2
3
1
MMBT2222A
Q14
100nF
C71
100nF
C81
R134
2K
VDD50V
4.7K
R155
4.7K
R156
R165
470
4.7K
R154
4.7K
R157
1K
R168
R169
470
100pF
C79
D6
MMBD6050
LD(5)
LD(2)
/CS2_LCD
INVT_/WE
LCD(192*64 & 2LINE) BLOCK
2011.05.16
Drawn by
Shin Heung Precision Co., Ltd.
VDD50V
R122
100
4 3
U11:B
74LVX14
/CS2_LCD
100nF
C80
R133
100
100pF
C78
21
15
17
11
9
LD(0:7)
VDD50V
5
3
VDD33V
R110
470
R112
470
2 3
1
KSA1182-Y
Q19
R117
470
VDD50V
D9
MMBD6050
R162
470
1K
R163
11
CLK
7
6D
8
7D
4
3D
5
4D
2
1D
1
OC
9
8D
6
5D
3
2D
10
GND
13
7Q
12
8Q
16
4Q
15
5Q
19
1Q
18
2Q
20
VCC
14
6Q
17
3Q
74HCT574
U19
19
G
1
DIR
8
A7
7
A6
4
A3
5
A4
2
A1
6
A5
9
A8
3
A2
11
B8
10
GND
14
B5
13
B6
17
B2
16
B3
20
VCC
15
B4
12
B7
18
B1
U13
74ACT245
19
OE2
8
A6
9
A7
13
Y5
12
Y6
5
A3
6
A4
16
Y2
15
Y3
2
A0
3
A1
18
Y0
11
Y7
14
Y4
17
Y1
1
OE1
7
A5
4
A2
10
GND
20
VCC
U22
74LVC541
LCD(2LINE) CONTROL
LCD(192*64) BACKLIT COLOR(B)
LCD(192*64) BACKLIT COLOR(G)
1CN5:A
CON-BOX;22P,2MM,2R,ST
2
7
14
1
U11:A
74LVX14
LCD(192*64) CONTROLLCD(192*64) BACKLIT COLOR(R)
LCD SIGNAL LEVEL SHIFTLCD(2LINE) BACKLIT VOLT(5V)