Kenwood DNX4280BT Service Manual page 57

K
DVD-L
DVD-R
25
3.3V
C301 1
1
CDCHL
3.3V
C302 10
3.3V 2
CDCHCOM
C303 1
3
CDCHR
3.3V
C304 1
4
AUXL
C305 10
3.3V 5
AUXCOM
C306 1
6
AUXR 3.3V
7
MUXAL
4 EVOL GND
8
MUXAR
9
MUXBL
10
MUXBR 3.3V
11
MUXCL
12
MUXCR
R301 1K
13
WININ
C307 1 3.3V
C308 0.47 14
WINTC0
4.0V
C309 0.47 15
WINTC1
C310 1
3.3V
C313 R303
16
DCERR
1 10K
AGND
10
23
DSP5V
DSP
IC701
16 15
DZF AOUT3R
R708
3.3V
100
17
PDN
14
AOUT3L
0V 18 13
VSS3 AOUT2R
R710 100
19
DA SDA
R711 100
20
12
CL SCL
AOUT2L
1.8V
11
AOUT1R
21
CLKO
5.0V
10
22
AOUT1L
DVDD
23 9
BICK 5.0V VREFH
8
VSS1
R620
5.0V
10
24 7
5 TUNGND
LRCK AVDD
1.8V
6
25
AINR
SDTO1
01
5
26
6MHz AINL
SDTO2 2.5V
27 4
SDTO3 VCOM
0V
28
3
XTI
VSS4
1.8V
R714
29
2
XTO
REF18
1.5K
30 1
0V
VSS2 TSTI
4 5 7 8 9
23
1
L
11
10
13
12
3.3V
3.3V
4.2V
IC301
E-VOL ( IC2-6 )
3.3V
3.3V
3.3V
D301 D302 D303
10
10
13
13
R707 C722
35 14
470 1
C721
R706 2200P C719
36
470 1
C718
R705 2200P C717
37
TP51
470 1
C716
14
4.7uH
R704 2200P C715
38
470 1
C714
R703 2200P C713
39
470 1
C712
R702 2200P C711
40
470 1
C710
0V 2200P
13
R701
C706 2.2
1
24 25
10
DSP-R
C705 C55
DSP-L
1 0.01
24
25
0V
7 DSP GND
24 25
3 4 5 7 8 9
23
M
11
12
11 12
+B-1
P-FL
P-FR
48
PREF
0V
47
PGND
46
LDOUT1L P-RL
45
LDOUT1R P-RR
44
LDOUT2L P-SWL
43
LDOUT2R P-SWR 12
42
GND
0V
41 8.3V
VCC
40
ACIN0L 40
39
ACIN0R 39
38
ACIN1L 38
37
ACIN1R 37
36
ACIN2L 36
35
ACIN2R 35
C318
1
34 14
ACIN3L
C317
33
ACIN3R
1
12
4 EVOL GND
14
12
DSP5V
3.3V 8.4V
D51
IC3
L51
OUT IN
GND
0V
4
4 12
24 25
10
23
4
3 7 8 9
5
1
3
4 23
∗
5
R609 C630
7
10
8
6 DGND
9
1
70 69 68 67 66 65 64
CN102
1
N
DNX4280BT/5180/5280BT/5380/5380M
/5380BT/5580BT/6040EX/6180/6480BT/6980
∗
P TP92
+B-1
11.3V
0V 0V
IC91
5.6V
C91
0V
1000P
R92 R93
D91
1K 4.7K
TP91
5.6V
4 EVOL GND
∗
Q
KAB
J571
D571
TP574 RX
D572
TP575 TX
D573
TP576 DET
TP577
TP578
R571
1K
R572
TP573
Q573
IC571
R582
10K
1
Q574
R583
2
22K
3
R584
10K
4
5
6
0V 7
6 DGND
4
12 24 25
10
21
3 7 8 9
8 VGND
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
X34-695x-xx (3/5)
O
Q93
R98 R103
2.2 22
1/2W
Q92
Q91
Q9
R100 R105
1K 1K
Q95
TP572 TP571
SW14V
TP573
1 2
G TP584
3 4 5
R TP583
6 7 8 9
L TP582
10 11 12 13
TP579
1K
3.3V 5V
14 5.0V
VCC
13 5.0V
12 5.0V
11 5.0V
10 R585
9
10K
C573
0.1
8
GND
C574
4.7
4
12 24 25
21
23
3 8 9
7 10
10
3 AGND
47 46 45 44 43 42 41 40 39 38
57