DM588 Service Manual
Figure 8 Schematic Diagram of LCD Board
143
C516
102
C517
102
C518
104
C519
104
C446
102
C447
102
ESD9B5
D26
ESD9B5
D27
ESD9B5
D28
D+ 1
D- 2
4 GND
ID 3
5 NC
6 VBUS
TPD4S012IC21
ESD9B5
D23
ESD9B5
D24
ESD9B5
D25
ESD9B5
D32
ESD9B5
D33
ESD9B5
D34
ESD9B5
D35
C305
102
C306
101
C326
104
C328
C
101
C329
C
101
+
C67
NC
D1
NSR1020MW2T1G
C3
102
C4
102
C5
102
C6
102
C7
102
1
GND
2
VPP
3
IO
4
CLK
5
RST
6
VCC
7
8
9
10
J3
R6
470R
R7
470R
R8
470R
R9
470R
R10
470R
C8
102
C9
102
C10
102
C11
102
C12
102
R11
470R
C13
102
C14
102
C15
102
C16
102
C17
102
C18
102
C19
102
C20
102
C21
102
C22
102
1
2
3
5
4
6
7
S13
CODEC&KEY
R12
470R
R13
470R
C23
102
C24
102
R14
470R
R15
470R
R16
470R
R17
470R
C25
102
Q1
ST2301
Q2
R18
470R
R19
100K
R20
470R
C26
102
C27
102
1
3
5
7
9
11
13
14
12
10
2
4
6
8
J1
CONNECTER-14PIN
Q17
ST2301
Q25
R154
470R
R155
100K
+
C307
10uF/16V
C308
474
R1
470R
C2
102
R2
4.7K
R3
4.7K
R4
4.7K
R5
4.7K
R21
4.7K
R22
4.7K
R23
4.7K
R24
4.7K
C1
102
C28
102
C29
102
C30
102
FB1
BLM11A601S
C31
101
C32
104
FB3
BLM11A601S
FB2
BLM11A601S
C33
102
C34
102
C35
102
21
22
23
24
25
26
27
28
29
30
40
39
38
37
36
35
34
33
32
31
11
12
13
14
15
16
17
18
19
20
10
1
2
3
4
5
6
7
8
9
51
52
41
42
43
44
45
46
47
48
49
50
J6
FPC_P0.5_50P
H1
H2
H3
H4
MARK
M1
MARK
M2
MARK
M3
MARK
M4
R25
470R
R259
NC
R26
100R
20
19
18
17
16
15
14
13
12
11
10
D0
D1
D2
D3
D4
D5
D6
D7
GND
LCD_RD
9
8
LCD_RS
LCD_WR
7
T
LCD_RS
NC
NC
LCD_CS
VCC_3V3
6
5
4
3
2
1
GND
LCD_A
LCD_K
21
22
J5
DM588_LCD_CON_1
1
2
3
4
5
6
7
8
9
10
J2
MIC
1
5
VOUT
NC
VSS
2
3
VIN
CE
4
IC24
XC6209F502PR
+
C527
22uF/50V
C528
274
C529
274
+
C530
22uF/50V
C531
274
C532
274
R258
1K
FB4
NC
+
C36
NC
LCD_D0
LCD_D1
LCD_D2
LCD_D3
LCD_D4
LCD_D5
LCD_D6
LCD_D7
LCD_RD
LCD_WR
LCD_RST
LCD_CS
KB_C0
KB_C1
KB_C2
KB_C3
KB_R0
KB_R1
KB_R2
KB_R3
USB_DP
USB_DM
MIC-
MIC+
LCD_RS
PTT
3M
CM
GREEN_LED
LCD_BL
KEYPAD_BL
RED_LED
USIM_VCC
USIM_IO
USIM_CLK
USIM_RST
USIM_DET
HOCK
SWITCH_A
SWITCH_B
ENTER
POWERKEY
USB_DM
USB_DP
PTT
MIC+
MIC-
HOCK
CM
BL_MIC
3M
USIM_RST
USIM_CLK
USIM_IO
3M
SWITCH_A
SWITCH_B
ENTER
LCD_D0
LCD_D1
LCD_D2
LCD_D3
LCD_D4
LCD_D5
LCD_D6
LCD_D7
LCD_RD
LCD_WR
LCD_RS
LCD_RST
LCD_CS
3M
LCD_BL
POWERKEY
POWER
KB_C0
KB_C1
KB_C2
KB_C3
KB_R0
KB_R1
KB_R2
KB_R3
KEYPAD_BL
RED_LED
GREEN_LED
POWER
BL_MIC
3M
POWER
USIM_VCC
POWER
POWER
Summary of Contents for DM588
Page 142: ...DM588 Service Manual Figure 4 Top Layer Layout Drawing of Main Board B Board 139 ...
Page 143: ...DM588 Service Manual Figure 5 Bottom Layer Layout Drawing of Main Board B Board 140 ...
Page 144: ...DM588 Service Manual Figure 6 Top Layer Layout Drawing of Main Board D Board 141 ...
Page 145: ...DM588 Service Manual Figure 7 Bottom Layer Layout Drawing of Main Board D Board 142 ...
Page 147: ...DM588 Service Manual Figure 9 Top Layer Layout Drawing of LCD Board 144 ...
Page 148: ...DM588 Service Manual Figure 10 Bottom Layer Layout Drawing of LCD Board 145 ...
Page 150: ...DM588 Service Manual Figure 12 Top Layer Layout Drawing of Key Board 147 ...
Page 151: ...DM588 Service Manual Figure 13 Bottom Layer Layout Drawing of Key Board 148 ...