DM588 Service Manual
Appendix 4 Schematic Diagrams and Layout Drawings
Figure 1 Schematic Diagrams of Main Board DM588-01 (136MHz-174MHz)
97
1
2
F1
3A/32V
C3
27
4
C4
22
nF
15
0p
F
C6
C7
10
2
C8
27
4
C9
22
nF
15
0p
F
C1
0
C1
1
10
2
C1
2
27
4
C1
3
22
nF
+
+
+
C1
4
10
uF
/50
V
C5
10
uF
/50
V
C1
5
10
uF
/50
V
FB1
BLM11A601S
+
C1
6
10
uF/
50
V
+
C1
7
10
uF/
50
V
C1
8
27
4
C1
9
27
4
102
C2
0
BST
1
GND
2
FB
3
4
EN
5
IN
6
SW
IC1
MP2359
10
3
C2
1
274
C2
2
L1
10uH
D1
NSR
10
20
MW2T1
G
+
C2
3
10u
F/
50V
22n
F
C2
4
102
C2
5
102
C2
6
R3
68
K 1
%
C2
7
NC
1
IN
2
GND
3
EN
FB
4
OUT
5
IC3
XC6209B552MR
+
C3
2
10
uF
/16
V
C3
3
27
4
C3
4
27
4
+
C3
5
10
uF/
16
V
C3
6
27
4
C3
7
27
4
C3
8
27
4
FB4
BLM11A601S
C4
5
27
4
C5
2
27
4
R1
10
K
R2
NC
R4
16
.2K
1
%
R6
1K
R5
1K
R8
1K
NC
1
VSS
2
4
VI
N
CE
3
5
VO
UT
IC24
XC6209F502PR
+
C5
27
10
uF
/1
6V
C5
28
274
C5
29
274
+
C5
30
10
uF
/1
6V
C5
31
274
C5
32
274
R2
58
1K
Q102
ST2301
Q22
DTC144EE
R2
61
470
R
R262
100K
+
C5
33
10
uF
/1
6V
C5
34
27
4
Q23
ST2301
Q24
DTC144EE
R2
63
470
R
R264
100K
+
C5
35
10
uF
/1
6V
C5
36
27
4
R1
45
270
K
R1
46
20
K
C41
27
4
R147
1K
Q17
ST2301
Q25
R1
54
470
R
R155
100K
+
C3
07
10
uF
/1
6V
C30
8
27
4
1
2
3
4
5
6
7
8
9
HOLE1
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE2
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE3
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE5
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE8
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE9
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE10
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE11
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE12
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE14
HOLE
Hole
+
C40
3
10
uF/
16
V
+
C4
04
10
uF/
16V
+
C4
48
10
uF/
16V
1
1
2
2
J302
LCP200
TP100
POWER+
TP101
POWER-
Q10
SSM3K15AFS
Q11
SSM3K15
AFS
2
1
D36
SMCJ20A
D37
NC
R2
11
0Ω
R21
2
1K
R2
17
10
0K
R2
18
8.
2K
R2
21
12
K
1
2
3
Q19
DTA144EE
D3
DA2S10100L
R223
10K
Q20
SSM3K15AFS
D2
DA2S10100L
D38
DA2S10100L
FB11
NC
1
ADJUST
2
ON/OFF
3
GND
4
IN
5
OUT
GND
0
U200
LM2941S
+
C1
10u
F/
16
V
+
C2
10u
F/
16V
+
C2
8
10u
F/
16V
FB1
2
BLM
11
A6
01S
+
C2
9
10
uF
/1
6V
+
C3
0
10u
F/
16
V
+
C31
10
uF
/1
6V
1K
R2
32
4.7
K
R2
33
Q21
R2
34
47
K
FB47 BLM11A601S
15
0pF
C39
3
C39
8
10
2
C46
0
22
nF
15
0pF
C46
2
C46
3
10
2
D
G
S
Q27
IRFR9024NTRPBF
BL
M11
A6
01
S
FB5
2
C69
100uF/25V
1
2
3
4
5
6
7
8
9
HOLE4
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE13
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE15
HOLE
Hole
+
C3
91
NC
D40
DA
2S
101
00
L
1
2
3
4
5
6
7
8
9
HOLE7
HOLE
Hole
1
2
3
4
5
6
7
8
9
HOLE6
HOLE
Hole
FB26
NC
FB27 BLM11A601S
FB28 BLM11A601S
BB4.2V
5SC
5RC
5TC
5R
5T
5S
POWERKEY
POWER_HOLD
3M
POWERKEY_DET
DC13.8V
BATDET
POWER
POWER_HOLD
VCC_8V
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 ...