DP480 Service Manual
79
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Close to BB
ADC
ADC
2520
封装
4
VCC
1
G
ND//V
C
3
OUTPUT
2
GN
D
X2
26M
2 of 3
ANALOG
SYSTEM
NC
ADC
CLK
APC
NC
FM
BT
AUDIO
W11
MBIAS
W14
MICP
V14
MICN
V13
HEADMICP
V12
HEADMICN
W12
HEADMIC_IN
U16
HEADP_L
V16
HEADP_R
V17
EARP
W17
EARN
V19
OUTPPA
U18
OUTNPA
U13
AGNDVB
H18
AUXADC
D13
NC
D11
NC
J17
EXTRSTN
K19
PBINT
K17
PRODT
U11
NC
J1
BT_TRX
J2
FM_LANT
L1
FM_SANT
N2
NC
N1
NC
V2
NC
P1
NC
P2
NC
W2
NC
V1
NC
P5
NC
V9
XO_P
V8
XO_N
U9
REFOUT
A1
NC
A19
NC
W1
NC
W19
NC
U2100-B
HS8861
C2
10nF
C5
10nF
C8
100nF
C9
1nF
R3
1K
R7
1K
R8
1K
C3
1nF
C10
1nF
C11
100nF
C12
100nF
C1
3
100P
C4
1uF
C1
5
1nF
C1
6
10nF
[2] HE_R
C153
1uF
C154
1uF
1
VSS
2
VOUT
3
VIN
U1
LN1121P332MR
TP62
TP63
TP64
TP65
TP66
R5
100R
C34
1nF
R6
100R
C36
1nF
TP27
TP29
TP80
TP81
BT
R13
510R
R14
510R
R1
5
10K
R1
6
10K
C41
TP25
C42
1uF
C43
1uF
R1
7
10K
R1
8
10K
1
DP1
2
DP2
3
DP
4
GND
5
DN
6
DN2
7
DN1
8
OEB
9
VCC
10
SEL
U2
BL1530
C47
100nF
1
1
2
-V
3
3
4
4
5
+V
IC6
OPA348
D30
RB706F-40
C262
100nF
R326
47K
100nF
C
325
R328
1K
R329
1K
R330
100K
R332
47K
R3
3
3
4
7
K
1uF
C
439
R331
100K
100nF
C
443
C512 10nF
C543
10nF
R22
R24
R25
R26
[2]
XO_P
XO_N [2]
[2]
HEADMIC_P
AFDET
[2]
HEADMIC_N
[2] MIC_P
[2] MIC_N
[2]
MIC_P
[2]
MIC_N
[2] HEADMIC_P
[2]
HEADMIC_N
XO_P [2]
XO_N [2]
MIC1_N
MIC1_P
SPK_P
SPK_N
VBAT_3V6
USB_DM [2]
USB_DP [2]
3V0
[2] HE_L
[2] HE_L
[2] HE_R
MOD1
MOD2
[2] VOX
[2]
DP2
[2]
DN2
DP2 [2]
[2] USB_DM
[1]
U1TXD
[2] DN2
USB_DP [2]
3V0
GPIO7 [1]
U1RXD [1]
3M
M
MICINPUT-
VOX[2]
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 ...