Kenwood DDX3028 Service Manual page 44

BD
DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
1
BT UNIT (BT MODEL ONLY)
SUB-
CN231
TL322
2/5
CN341
1
F
2
TL323
+9V
C3151
1
2
IC341
MIC
AMP
C3145
0.012
C3465
0.1
3
C3469
0.1
L3473
33uH
C3575
22P
R3577
4.7K
4
2
C3484
0.1
86
87
2
88
89
1
C3491
1
0.1
2
5
IC311
1
A0
2
0V A1
3
A2
4
GND
E2PROM
6 MEMORY
1
2
+1.8V
BT3.3V
1 2
+9V
7
44
BT UNIT (1/2)
BE
R3241
8.2K
C3142
GND
1
C3143 R3243 R3152
6
470P 120K 10K
R3143 C3243 C3152
120K 470P 1
3.3V 65
VDDIO
C3468 0.01
0V 66
ADIN4
R3469 22K 0V 67
ADIN2
1.6V 68
ADIN0
3.3V 69
VDDADC
0V 70
VSSADC
0V 71
VSSPLL1
C3472
0V 72
XFILT1
1200P
1.8V 73
VDDPLL1
C3473
1.8V 74
VDDPLL
1
0.8V 75
VXFILT
0V 76
VSSPLL
TP306
3.3V 77
nRESET
R3478 4.7K
0V 78
MODE1
R3479 15K
0V 79
USBH0D-
R3480 15K
0V 80
USBH0D+
0V 81
VSS
R3482 33
0V 82
D- USBH1D-
R3483 33
0V 83
D+ USBH1D+
3.3V 84
VDDUSB
RA305 3.3V 85
VDDIO
47
0V 86
GPIOB21/BCLK/BM0
0V 87
GPIOB22/LRCK/BM1
1.8V 88
GPIOB23/MCLK
0V 89
GPIOB24/DAO/BM2
R3491 10K
3.3V 90
GPIOB25/DAI
1.8V 91
VDDI
0V 92
GPIOD15/UART1CTSn
3.3V 93
D16/SDA/AAC
3.3V 94
GPIOD17/SCL
95
UART 1TX
96
UART 1RX
C3492
0.047
3.3V
8
VDD
7
3.3V WPIN
6
SCL
5
SDA
0V
BF
3
+1.8V
6
3
R3455
1M
IC301
BLUETOOTH u-COM
+1.8V
BT3.3V
1 2
+9V
BG BH
3
BT3.3V
+1.8V
32 0V
XA12
31 0V
XA11
30 1.5V
XA10
29 1.5V
XA9
28
1.5V
XA8
27 0V
XA7
26 3.3V
VDDIO
25 0V
VSS
24 1.8V
VDDI
23 1.5V
XA6
22 1.5V
XA5
21 1.5V
XA4
20 1.5V
XA3
19 3.3V
XA2
18 0V
XA1
17 0V
XA0
16 0V
XD15
15 0V
XD14
14 0V
XD13
13 0V
XD12
12 0V
XD11
11
0V
XD10
10 0V
XD9
9 3.3V
VDDIO
8 0V
VSS
7 1.8V
VDDI
6 0V
XD8
5 0V
XD7
4 0V
XD6
3 0V
XD5
2 0V
XD4
1 0V
VSS
5
4
+1.8V
BT3.3V
6
5
6
5
6
A12
A11
A10
A9
A8
C34
A7
0.
C34
A6
0.
A5
A4
A3
A2
A1
A0
RA303 68
D15
D14
D13
D12
5
RA302 68
D11
D10
D9
C34
D8
0.
C34
RA301 68
0.
D7
D6
D5
D4
5
4
1