DP480 Service Manual
75
Schematic Diagram of Key PCB
GND
1
2
LCD_DATA
3
LCD_0
DATA
LCD_1
5
LCD_
4
LCD_
LCD_
4
D
DATA
DATA
DATA
ATA2
3
6
7
LCD_5
CD_DATA7
8
DATA6
L
9
10
LCD_RD
12
11
LCD_WR
13
LCD_RS
14
LCD_RST
RXD1
15
LCD_CS
16
TXD1
18
17
VC
19
GN
SB
D
C_3V3
21
KE
20
LCD_BL
23
KE
KE
22
YPAD_BL
YPAD7
YPAD5
24
KEYPAD6
28
27
KEYPAD2
25
KEYPAD4
26
KEYPAD3
29
KEYPAD1
VCC_3V3
30
KEYPAD0
31
32
J1
DP586_KEY_CON_KEYBOAR
D
2
R
1
CS1
ST
A
/
/
6
VDD
D7
5
3
4
D
6
0
SCL/
SI/
V0
VS
7
8
S
10
VG
9
XV0
C
11
NC
N
13
NC
NC
12
A
14
15
K
16
17
18
J2
FP560_LCD_CO
N
SW1
F1
SW2
SW_KEY_FM54
0
F1
SW3
SW_KEY_FM54
0
F1
SW4
SW_KEY_FM54
0
F1
SW5
SW_KEY_FM54
0
F1
D1
WHITE
D2
WHITE
D3
WHITE
D4
WHITE
R1
100R
R2
100R
SW6
SW_KEY_FM54
0
F1
SW7
SW_KEY_FM54
0
F1
SW8
SW_KEY_FM54
0
F1
SW9
SW_KEY_FM54
0
F1
SW10
SW_KEY_FM54
0
F1
SW11
SW_KEY_FM54
0
F1
C1
104
C2
104
C3
104
C4
104
C5
100pF
100pF
C6
100pF
C7
100pF
C8
100pF
C9
100pF
C10
100pF
C11
100pF
C12
C13
104
C14
104
C15
104
C16
104
SW12
SW_KEY_FM54
0
F1
SW13
F1
SW14
SW_KEY_FM54
0
F1
SW15
SW_KEY_FM54
0
F1
SW16
SW_KEY_FM54
0
F1
D5
WHITE
D6
WHITE
D7
WHITE
D8
WHITE
R3
100R
R4
100R
R9
NC
R5
100Ω
R6
100Ω
M1
M2
Summary of Contents for DP480
Page 9: ...DP480 Service Manual 6 4 Circuit Description 4 1 Circuit Diagram of Main Board ...
Page 76: ...DP480 Service Manual 73 Top Layer Layout Drawing of Main Board ...
Page 77: ...DP480 Service Manual 74 Bottom Layer Layout Drawing of Main Board ...
Page 79: ...DP480 Service Manual 76 Top Layer Layout Drawing of Key PCB ...
Page 80: ...DP480 Service Manual 77 Bottom Layer Layout Drawing of Key PCB ...
Page 84: ...DP480 Service Manual 81 Top Layer Layout Drawing of Module Board ...