Kenwood DDX3028 Service Manual page 35

K
POWER AMP
IC101
C1201 C1211
100P 100P
Q1302
4.9V 4.9V
0V
24
C1309
3.3V
0.01
Q1301
0V
7
7
R7505
9.1K
12
5.1V
IC751
R7506 3.3V R7502
22K 100
0V
11
3.3V
3.3V IC762
5
0V 1
VCC
10
2
3 4 0V
GND
0V
7
5 6
10 11
12 13
19
3.3V
Q6221
0V
2 3 4 5 6 7 8 9 10 11 12 13
L
22
23
6.9V
0V
C1212 C1112
100P 100P C1303
82P
C1202 C1102
100P 100P
R1307
43
C1306
10u25
C1308
82P
25
BU
24
7
8
26
VDD3.3V
20
26
4.9V
4.9V
4.9V
IC761
5
1
VCC
3.3V
2
3 4
GND
0V
5 6
20
20
3.3V
0V 0V
Q6222
1.0V
Q6223 Q6224
14 15 16 17 18 19 20 21 22 23 24
PANEL-B-
E 4/5
CN602
M
24
C1111 C1101
100P 100P
D1304
R1309
12K
24
C1313
1
27
20
Q731
R7304
3.3V
10K
IC731
RESET
0V
19
8 7 6 5 4 3 2
CN110
N
DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
24
22
23
51 28
7
7
13
10
20
7
103
7
7
13 10
20
27
115
27
116
20
26
VDD3.3V
3.3V 26
118
119
0V
RST
5 6
27
13 10
10 11 10
12 13 13
11
12
27
19
26
5
19
6
19
26
1
5 6
11
12
MAIN UNIT (3/6)
O
2
2
28
7
+3.3V
13
20
10
R7103
100
3.3V
3.2V
R782 47K
103
XD RESET
C7104 0.01
3.3V 104
W REMO
R703 12K
105
NC
TP776
R704 24K
106
AREA2
0.4V
C7106
0.01
R701 12K
∗ TP775
R702
107
AREA1
0V
C7107
0.01
3.3V 108
PWIC DC
3.3V 109
C7108
AN TEMP
110
0.01
AN TEMP
111
C7109
DOOR SW
112
0.01 R7777
PM0
113
10K
PM1
R780
114
PMKICK
10K
R7115
115
R ENC1
R781 2.2K
0V
10K R7116
116
R ENC2
2.2K 0V
Q717
R7117
117
SI
0
0V
R7118 4.7K
118
USBNEN
R7119
TP706 119
XD LRMU
1K 120
R7121
W REMO2
1K
1.6V 121
5V SAFET
TP713
R7122
122
TC 5V DE
123
1K
0V
NC
124
NC
125
NC
126
NC
0V 127
AVSS
128
NC
TP774
VDD3.3V
35