DP480 Service Manual
68
1
GND
2
JM
_R
ST
3
M
A
ND_
IN
4
BAT
_D
ET
5
A
UDI
O_
E
NC1
6
A
UDI
O_
E
NC0
7
EEPR
O
M
_W
P
8
E
NC_
3
9
E
NC_
2
10
KEYPAD
5
11
KEYPAD
3
12
M
A
ND_
C
13
EXT
_PT
T
14
KEYPAD
2
15
KEYPAD
0
16
KEYPAD
7
17
PF
_KEY0
18
KEYPAD
6
19
KEYPAD
1
20
KEYPAD
4
21
LCD_
RS
22
LCD_
RS
T
23
LCD_
DA
TA
1
24
LCD_
DA
TA
0
25
LCD_
WR
26
LCD_
DA
TA
4
27
LCD_
DA
TA
7
28
GND
29
LCD_CS
30
LCD_RD
31
LCD_DATA5
32
LCD_DATA3
33
LCD_DATA6
34
LCD_DATA2
35
4V2
36
VIO_3V_C
37
RART_RXD0
38
RART_TXD0
39
4V2
40
UART_TXD1
41
UART_RXD1
42
NC_GPIO
43
BATTERY
44
NC_SINK1
45
NC_SINK2
I2
C
_SD
A
46
3M
47
I2
C
_SC
L
48
NC_
GP
IO
49
AF
C
O
_1
50
5TC
51
3C
52
DA
CS
_S
W1
53
5RC
54
LDA
C
_P
C/
TV
55
AF
C
O
_2
56
RDA
_P
DN
57
SPI_/C
S
58
PF
_KEY2
59
SPI_C
LK
60
SPI_D
A_O
U
T
61
RDA
_S
QL
62
KEYPAD
_BL
63
JM
_C
LK
64
E
NC_
1
65
G
R
EEN
_L
ED
66
PT
T
67
PF
_KEY1
68
E
NC_
0
69
RE
D_
LE
D
70
SPK+
71
GND
72
73
SPK-
74
AFDET
75
NC_M_MICN
76
MIC1
77
DM
78
DP
79
MOD1
80
MOD2
81
NC_SINK3
82
JM_SDATA
83
NC_GPIO
84
APC_SW2
85
GPSENABLE
86
APC_SW1
87
AUDIO_ENC2
88
AUDIO_ENC3
89
LCD_BL
90
GND
IC1
HS8861
BT301
NC
R14
470Ω
C5
100nF
R167
0Ω
C346
100nF
1
VDD
2
CS
3
SCK
4
SDI
8 VOUTA
7 VSS
6 VOUTB
5 LDAC
U20
MCP4802
C12
10nF
C13
100nF
C14
470P
C17
10nF
C18
100nF
C20
10uF
L8
0Ω
1
2
3
5
4
6
7
8
9
H305
HOLE
NC
1
2
3
4
5
6
7
8
9
H306
HOLE
NC
1
2
3
5
4
6
7
8
9
H307
HOLE
NC
1
2
3
5
4
6
7
8
9
H303
HOLE
NC
1
2
3
4
5
6
7
8
9
H308
HOLE
NC
1
2
3
5
4
6
7
8
9
H304
HOLE
NC
1
2
3
5
4
6
7
8
9
H309
HOLE
NC
C39
10uF
MARK
M1
MARK
M2
MARK
M3
MARK
M4
1 GND
2 NC
3 IO
4 NC
5
NC
6
CLK
7
RST
8
VCC
U2
R68
10K
R69
NC
R70
10K
R71
0Ω
R72
0Ω
1
CS
2
SO
3
WPD
4
GND
5
SI
6
SCK
7
HOLDB
8
VCC
9
U1
NC
C6
NC
R1
10K
R52
10K
R53
10K
R57
10K
R58
10K
R59
10K
R43
0Ω
R45
0Ω
0Ω
R46
0Ω R47
R3 1K
R48 10K
C99
33nF
C100
33nF
C105
470nF
R50 1K
C125
33nF
R51
10K
R55 10K
C126
470nF
C127
470nF
R56 3.3K
R61
470nF
R62
470nF
R81 3.3K
C128
NC
C129
NC
R94
NC
E_WP
ENC_3
ENC_2
KEYPAD2
KEYPAD4
KEYPAD5
KEYPAD7
KEYPAD0
KEYPAD1
KEYPAD6
KEYPAD3
LCD_RS
LCD_RST
LCD_DATA1
LCD_DATA0
LCD_WR
LCD_DATA4
LCD_DATA7
LCD_CS
LCD_RD
LCD_DATA5
LCD_DATA3
LCD_DATA6
LCD_DATA2
RXD0
TXD0
TXD1
RXD1
SDA
SCL
AFCO_1
5TC
AFCO_2
SPI_CLK
SPI_DA_OUT
SPI_/CS
RDA_PDN
ENC_0
ENC_1
RED_LED
GREEN_LED
PTT_KEY
AF_RX
MIC_OUT
USB_DP
USB_DM
MOD1
EXT_PTT
4V2
APC
SPI_CLK
SPI_DA_OUT
DACS_SW1
3C
LDAC_PC/TV
VCCN
LDAC_PC/TV
DACS_SW1
AUDIO_ENC0
AUDIO_ENC1
3M
3C
RDA_SQL
BAT_DET
KEYPAD_BL
APC_SW2
LCD_BL
AUDIO_ENC3
CLK
RST
SDATA
3M
RST
SDATA
CLK
MAND
MAND_C
AUDIO_ENC2
PF_KEY0
INNA
INPA
PF_KEY2
PF_KEY1
GPSENABLE
3M
INPA
INNA
BEEP_OUT
AF_OUT
BEEP_C
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 ...