Kenwood DDX7019 Service Manual page 23

F
401 P101 P102
1
P GND2
DC/DC
PROTECTION
CONTROL
R413
75
PWR GND
Q101
DC/DC
OUTPUT
1.7V
VOLTAGE
SW
IC400
VIDEO
ISO AMP
5.0V
V
C465
10
L401
120
A8V
1
V5V
2
39
BU3.3V
TP3.3V
47
TC3.3V
BL14V
SW3.3V
LED 9V
TP14
LED9V
46
R69
6
33K
2
USB1_5V
TP13
48
DGND
C502
0.1
522 C523 C524 C503
TP545
0.01 0.01 0.01 0.1
506 C505 C504
TP543
0.1 0.1 0.1
59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44
G
C183 1000P
R133 560
Q103
R103 R132
560 560
C101
0.047 R102 C184
IC101
560 1000P
Q101
5.5V
1
RUN/SS1
R106 R105
2
0 6.2K R104
SENSE1+
2.7V
33K
C104 220P
3
C105
SENSE1-
0.9V 4
1000P
VOSENSE1
R108 C106 1.2V
5
PLLFLTR
10K 0.01
0-3.3V 6
PLLIN
C108 100P R111 0
C107
0V 7
FCB 0.6V
R112 C109
100P 8
ITH1
33K 0.022
0V 9
SGND
C110 47P R114 0
10
OUT3.3V
R115 C111
68K 0.01 1.0V 11
ITH2
0.9V 12
R118 R117
VOSENSE2
680 5.6K R116 5.1V 13
SENSE2-
33K
C114 220P
5.1V 14
C115 0.047
SENSE2+
Q106
DC/DC
Q106,108
DC/DC
PROTECTION
CONTROL
R170 0
R171 0
Q108
IC102
C142 0.047 5.5V 1
RUN/SS1
R145 R144
3.3V 2
560 10K R143
SENSE1+
33K
C145 220P
3.3V 3
C146 SENSE1-
0.9V 4
1000P
VOSENSE1
R146 C147
1.2V 5
PLLFLTR
10K 0.01
0-3.3V 6
PLLIN
C149 47P R149 0
0V
C148 7
FCB
R150 C150 1.0V 8
100P
ITH1
68K 0.015
0V 9
SGND
C151 47P R152 0
10
OUT3.3V
R153 C152
68K 0.022
0.5V 11
ITH2
0.9V 12
R156 R155 VOSENSE2
680 5.6K R154
5.1V 13
SENSE2-
33K
C155 220P
5.1V 14
C156 0.1
SENSE2+ RUN/SS2
Q111
DC/DC
DC/DC
PROTECTION
CONTROL
R163
0
2
6 2
43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
D
H
DDX7019/7029/7029Y/7039/8019/8029/8029Y/8039
DNX7100/710EX/7200
3.3V
28
R130
PGOOD
22
27 0-19.0V
TG1
26 0-BU
SW1
25 5.0-19.0V L103
BOOST1
10uH
R120
24 SW+B
VIN
R131 10
23 0-5.0V
BG1
0
22
5.0V
EXTVCC
21 5.0V
INTVCC
0V
20
PGND
R122
0-5.0V 0
19
BG2
18 5.0-19.0V
BOOST2
17 0-BU
L101
SW2
10uH
16 0-19.0V
TG2
15
RUN/SS2
5.3V
3.3V
TP20
28
PGOOD
R168
22
27 0-19.0V
TG1
26 0-BU
SW1
25 5.0-19.0V
L107
BOOST1
10uH
R158
24 SW+B
VIN
R169 10
23 0-5.0V
BG1
22
0
5.0V
EXTVCC
21 5.0V
INTVCC
0V
20
PGND
R160
19 0-5.0V
BG2
18 5.0-19.0V
0
BOOST2
17 0-BU
SW2
16 0-19.0V
TG2 L105
10uH
15
5.3V
USB2_5V
C532
0.01
C531
0.1
X88-
4/5
CN328
I
1
R136
0.047
L104
Q104
10uH
R137
0.047
MECHA
MECHA8V
8V
TP15
C134 10
C133 0.01 C141 0.01
C191 0.1 C193 0.1
C166 C140
47u25 120u10
+ +
C192
0.1
C123 0.01 C194 0.1
C124 10 C131 0.01
V5V
TP16
C167 C130
47u25 220u6.3
+ +
V5V
L102
R127 R129
10uH
0.022 0
Q105
R180
0
R175 R176
Q109
L108
0.033 0
10uH
SW3.3V
SW3.3V
TP17
C175 10
C174 0.01 C182 0.01
C197 0.1 C199 0.1
C176 C181
47u25 330u4
+
+
PWR GND
C198
0.1
C164 0.01 C200 0.1
C165 10 C172 0.01
D5V
TP18
C177 C171
47u25 220u6.3
+
+
P5V
R165
0.022
L106
R166 R167
10uH
0.022 0
Q110
R179
0
3
C525
0.01
C501
0.1
9 8 7 6 5 4 3
X15-101x-xx/112x-xx (2/6)
J
CN301
68
R138
0
V GND
SW3.3V
A8V
L402
SW3.3V
120
8
V5V
38
R420
37
D5V
10K
12
6
4
SW3.3V
CP401
2.2K
R437 C415
1K 1
R432
100
GR
5 GG
GB
R434
100
P5V
4 5
2 3 6
TP549
C526
0.01
C507
TP548
0.1
49
2 1
50 48
CN502
23