Kenwood DNX4280BT Service Manual page 55

A
ANT.
(X34-695x-xx)
1
W201
1
2
3
P201
2
3
L261
0.15uH
4
C264
5
P601
6
7
B
∗
R203
0
∗
C
C241
D241 1000P
L244
0.15uH
C242
7P
C245
18P
C246
39P
C247
2P
C248
12P
R241 R242
3.3K 5.6K
R244 C253
330 1000P
L248
0.18uH
R245
33 Q241
R249
330
C255
3P
R247 R250
430 150
R251
430
∗
R252
TMC
3.3V
0V
15
DOUT
1
14
NC1
LOUT
0V 2
FMI
13
0V 3
ROUT
IC261
RFGND
4 0V
LPI
12
5 GND12
GND21
0V
RST
0V
11
VA
3.3V
0.1
3.3V
TMC3.3V
X261
32.768kHz
TP61
D61
IC4
R265
3.3V
0
OUT IN
GND
0V
6 DGND
∗
D
C235 10
RDS
IC231
C236 0.01
9
FSEL FILOUT
0V 10
TM NU
11
EXTRES GND
12
5.0V
VS OSEL
C233
13
OSCIN
MPX
12P
VREF
R233
C234 100
14
OSCOUT
15
12P
RDDA
R234
T57
2.2K 16
RDCL QUAL
6 DGND
C
R201
1
∗
C626
5 TUNGND
A8.5V
Q202
∗ F/E
A201
26
24 TP201
RFGND
23 TP202
ANT
22
NC
21 TP203
AM+B
20
OSCGND
19 TP204
VT
18 TP205
COM+B
R206 100
17 TP206
IFC
R207 100
16 TP207
SDA
R208 100
15 TP208
SCL
14
DGND
13 TP209
VDD5V
12 TP210
PLLGND
R209 100
11 TP211
SMETER
10 TP212
AMIFOUT
R210 100
9 TP213
QUALITY
TP214
8
RDSOUT
7
DGND2
R211 100
6 TP215
RDSMUTE
5 TP216
STDGND
4 TP217
R TU-R
3 TP218
TU-L
L
2 TP219
IF+B
1
IFGND
25
SW5V
0V
R271
1K
R270 C402
1K
C401
22u16
L263
600
L262
600
8.4V
C403
TMC3.3V
R402
100
TMC3.3V 5
R403
L61
4.7uH
8.4V
100
ILM8V
R404
47K
23
L231
SW5V
4.7uH
5
8
3 AGND
7
6 0V
5
5.0V
C232
330P
4 2.4V
C231
3 2.5V
10
R232
2.2K
2
23
60
5
1 R231
56
2.2K
5
58 1
D
DNX4280BT/5180/5280BT/5380/5380M
/5380BT/5580BT/6040EX/6180/6480BT/6980
R205
1K
Q201
L202
4.7uH
57
59
61
L203
A8.5V
4.7uH
SW5V
ILM8V
65
67
63 1
L204
4.7uH
2
ILM8V
A8.5V-1
2
0.1
1
NC1
2
4.0V
NC2
3
VCC1
4
NC4 4.0V
10
5
IC401
BIAS
6
NC6
AUDIO SEL
0V
7
GND1
8
NC8
9
SDA
10
SCL
11
NC11
12
ADR
4.0V
0V
8
5 5 8
23
1
X34-695x-xx (1/5)
E
∗
F
PRE OUT
L R
SW
J302
R398
0
R397
0
C635 10
C636 10
C637 10
C638 10
C639 10
C640 10
∗
W
1
3
4
36
LOUT1 M
35
4.0V
NC35
34
ROUT1 M
33
NC33
32 8.4
VCC2
31
NC31
30 0V
GND2
29
NC29
28
LOUT2 S
27
4.0V
NC27
26
ROUT2 S
25 R
FCB
CTRL
2
4.8V
D40
D40
D40
R407 R408
10K 10K
R411 R412
22K 22K
C428 C429
R41
1000P 1000P
1K
C42
0.0
9 E
3
55