Kenwood DDX3028 Service Manual page 36

P
DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
24
22
23
0
0V 3.3V
3.2V 0V
3.2V
103
XD RESET
104
W REMO
105
NC
106
AREA2
V
107
AREA1
V
108
PWIC DC DET
109
AN TEMP CPU
110
AN TEMP AMP
111
DOOR SW
112
PM0
113
PM1
114
PMKICK
115
R ENC1
V
116
R ENC2
V
117
SI
V
118
USBNEN
3.2V
119
XD LRMUTE
120
W REMO2
121
5V SAFETY
122
TC 5V DET
123
NC
124
NC
125
NC
126
NC
127
AVSS
128
NC
27
VDD3.3V
19
26
5 6
11
12
36
MAIN UNIT (4/6)
Q
24
22
23
28
7
13
20 20
VDD3.3V
R797 R796
47K 47K
C705
R798 0.1
47K
Q791
3.3V 3.3V
IC701
SYSTEM u-COM
R7014
150K
VDD3.3V
R
24
22
23
28
7
+3.3V
13
3.1V
3.3V
0V
C723
220u10
R734
4.7K
R735
4.7K
R7024
47K
6
5
19
26
5 6
11
12
S
VP
22
23
28
+3.3V
13
22 23
VDD3.3V
29
MUTE0
3.3V
0V 3.3V
R7064 1K
64 3.3V
VOL MUTE0
R7063 1K
63 3.3V
VOUTSW2
62 3.3V
VOUTSW1 RA724 1K
61
NC
60 0V
VIDEO M SW3
59 0V
VIDEO M SW2
58 0V
VIDEO M SW1
57 3.3V
AUX IN EN
56 0V
PRE MUTE F
56
55
PRE MUTE R/SW
54 3.3V
PWIC MUTE
53 0V
SW MUTE 53
13
52 3.3V
BT EN
51 3.2V
PWIC STB
50 3.3V
AVOUT MUTE 50
49 3.3V
DIVX EN
R7048 4.7K
48 0V
BOARD TESTMODE
R748 100K
47 0V
DETACH
3.2V
R7046 2.2K
46
APP RESET
0V RA723 100
45
SYS CE
44 0V
APP CLK
43 0V
APP DATA
42 0V
SYS DATA
R741
0V
47K
41
BT READY EN
40
DEBUG SCLK
R7040 47K
0V
39
3.3V
VSS
0V
26
VDD3.3V
+3.3V
19
26
T
24
23
7
7 13 28
7
9
8
7
13
6
R758
47K
13 28
54
∗
R753 47K
∗
R752
47K
51
∗
R750 47K
∗
R749
47K
46
45
44
43
42
R743
100K
40
19
19
11
12