DP480 Service Manual
71
R615
470Ω
R618
1.8K
C617
4.7uF
L600
BLM11A601S
R616
33K
R617
33K
R622
470Ω
R623
1K
C622
NC
C623
NC
1
2
3
4
5
J600
NC
R614
10K
Q606
DTC144EE
R613 5.6K
Q605
2SA1586
C616
100nF
R612
470Ω
C615
10uF
R619 NC
C624
470P
R624
0Ω
1
2
3
4
6
5
7
J601
NC
C15
100nF
C16
47nF
R27
22K
1 AOUT
2 A-IN
3 A+IN
4 GND
5
B+IN
6
B-IN
7
BOUT
8
V+
IC302
NJM2904V
C333
470P
R24
3.9K
C21
470P
C22
100nF
R25
470P
R632
3.9K
R29
560K
C23
68nF
C31
1000P
C33
100nF
R31
33K
C35
10P
R32
0Ω
R34
NC
C49
10nF
D4
1SS372
R36
100Ω
Q2
2SC4116-GR
R37
820Ω
C50
4.7uF
C51
4.7uF
R631
39K
R38
56K
R18
33K
L32
BLM11A601S
C43
100nF
D19
ESD9B5
D18
ESD9B5
C48
0Ω
C53
0Ω
1 1
2 2
3 3
4 4
6
6
5
6
J6
4pin
C92
NC
R20
0Ω
C19
NC
C93
1000P
C94
1000P
C95
1000P
C98
1000P
R82
0Ω
R83
0Ω
C130
NC
R7 0Ω
R17 NC
R87
NC
R88
0Ω
R89
NC
T1
T2
L31
0Ω
L47
NC
C132
NC
C133
NC
R4
NC
C27
NC
Q707
NC
Q704
NC
R54
NC
C44
NC
C45
NC
R13
NC
Q6
NC
C25 NC
C26 NC
R15 NC
R19
NC
R35
NC
R28
NC
R30 NC
R41
NC
R33
NC
C41
NC
R40
NC
1
OUTPUT1
2
VCC
3
OUTPUT2
4
GND
5
NF2
6
INPUT2
7
INPUT1
8
NF1
U600
TDA2822
R604
NC
C608
NC
C42
10nF
C46
100nF
C604
100nF
C609
100nF
R44
470K
C605
Fuse
R608
NC
R603
NC
C81
NC
Q7
DTC144EE
Q8
NC
Q9
NC
C614
1000P
C613
1000P
Q600
ST2301
Q10
DTC144EE
R601
10K
C603
NC
C606
10uF
C612
10nF
R607 NC
C611
10K
R609
NC
C82
NC
R84
4.7Ω
R85
4.7Ω
C85
Fuse
C86
10uF
C96
1000P
R49
0Ω
C135
NC
R86
10K
R90
0Ω
R91
NC
C52
1000P
R96
0Ω
R97
0Ω
C97
1000P
R98
NC
RXD0
TXD0
EXT_PTT
USB_DP
USB_DM
3M
MIC_OUT
5C
INNA
INPA
MIC+
MIC+
AF_OUT
BEEP_OUT
BEEP_C
3M
SB
AFCO_1
AFCO_2
MAND
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 ...