Kenwood KVT-719DVD Service Manual page 65

F
(X14-983x-xx)
01
1
DC/DC
C183 1000P
PROTECTION
CONTROL
Q103
R133 560
R103
560 R132 560
C101
0.047 R102 C184
560 1000P
Q101
DC/DC
Q101
OUTPUT
VOLTAGE
R106 R105
SW
0 6.2K R104
33K
C104 220P
C105
0.9V
1000P
R108 C106 1.2V
10K 0.01
0-3.3V
C108 100P R111 0
C107 0V
R112 C109 100P
33K 0.022
0V
C110 47P R114 0
10
R115 C111
68K 0.01
1.0V
0.9V 12
R118 R117
680 5.6K R116 5.1V 13
33K
C114 220P
5.1V 14
C115 0.047
Q106
2
Q106,108
DC/DC
PROTECTION
CONTROL
PGND
39
Q108
C142 0.047
R145 R144
560 10K R143
33K
C145 220P
C146
0.9V
1000P
R146 C147
1.2V
10K 0.01
0-3.3V
47
C149 47P R149 0
C148 0V
R150 C150
100P
68K 0.015
0V
C151 47P R152 0
10
R153 C152
68K 0.022 0.5V
0.9V 12
R156 R155
680 5.6K R154
5.1V 13
33K
C155 220P
5.1V 14
C156 0.1
Q111
46
DC/DC
PROTECTION
2
CONTROL
AGND
2
6
DGND
C502
0.1
C503
0.1
TP543
49 48 47 46 45 44 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
G
IC101
3.3V
5.5V
1 28
R130
PGOOD
RUN/SS1
2 27 0-19.0V 22
SENSE1+ TG1
26 0-BU
2.7V
SW1
3
SENSE1-
25 5.0-19.0V
4
BOOST1
VOSENSE1
24 SW+B
VIN
5
R131
PLLFLTR 23 0-5.0V
BG1
6
22
PLLIN 0
5.0V
EXTVCC
7
FCB 21 5.0V
0.6V
INTVCC
8
ITH1
0V
9
SGND
20
PGND
OUT3.3V
19 0-5.0V R122
BG2
11
0
18 5.0-19.0V
ITH2
BOOST2
VOSENSE2
17 0-BU
SENSE2- SW2
R121
16 0-19.0V
TG2
22
15
SENSE2+ RUN/SS2
5.3V
DC/DC
R170 0
R171 0
IC102
3.3V
5.5V
TP20
1 28
RUN/SS1 PGOOD
R168
22
2 27 0-19.0V
SENSE1+ TG1
26 0-BU
3.3V
SW1
3
SENSE1-
25 5.0-19.0V
4
BOOST1
VOSENSE1
24 SW+B
VIN
5
PLLFLTR 23 0-5.0V R169
BG1
6
22
PLLIN 0
5.0V
EXTVCC
7
21 5.0V
FCB 1.0V
INTVCC
8
ITH1
0V
9
SGND
20
PGND
OUT3.3V
R160
19 0-5.0V
BG2
11
0
18 5.0-19.0V
ITH2
BOOST2
VOSENSE2
17 0-BU
SENSE2- SW2
R159
16 0-19.0V
TG2
22
15
SENSE2+ RUN/SS2
5.3V
DC/DC
2 2
DGND
DGND
∗
C549
0.01
∗
C548
0.1
X88-202
2/5
D
CN327 or CN328
H
1
R136
0.047
L104
Q104
10uH
R137
0.047
MECHA8V
TP15
5/7.5V
L103
10uH
R120 C134 10
10
C133 0.01 C141 0.01
C191 0.1 C193 0.1
C214 C140
47u25 120u10
+ +
PGND
C192 0.1
C123 0.01 C194 0.1
C124 10 C131 0.01
V5V
TP16
L101
C215 C130
10uH
47u25 220u6.3
+
+
5V
L102
R127
10uH
0.022
Q105
PGND
R175
Q109
L108
0.033
10uH
SW3.3V
TP17
3.3V
L107
10uH
R158 C175 10
10
C174 0.01 C182 0.01
C197 0.1 C199 0.1
C216 C181
47u25 330u4
+
+
C198 0.1
PGND
C164 0.01 C200 0.1
C165 10 C172 0.01
D5V
TP18
L105
C217 C171
10uH
47u25 220u6.3
+ +
R165
0.022
L106
R166
10uH
0.022
Q110
5V
7 5
C529
0.01
V GND
C501
0.1
9 8 7 6
I
KVT-719DVD/729DVD
/729DVDY/739DVD
VCC
IC502
R138
0
0V
SW5V
L402
SW3.3V
120
R129
0-3.3V
0
38
SW5V
0-3.3V
37
R420
10K 0/4.5V
12
6
R176
4
0
0/3.6V
SW3.3V
0/3.6V
0/4.5V
CP401
2.2K
R437 C417
1K 1 1.3V
R432
100
0/3.7V
0.6V
15
0.6V
14
0.6V
13
R434 0/3.7V
100
1.3V
R188
0
P5V
R167
0
4
2 3 5 6 7
2
3
V GND
TP549
C517
10
C507
TP548
0.1
5 4 3 2 1 1 2 3 4 5
CN502
X14-983x-xx (2/5)
J
1
IC501,502
VCC
MOTOR
DRIVER
MGND
IC501
0V
5
3
1
8
DGND
A8V
C408 0.1
CP403
IC402
10K
0V
3.3V
1 16
VSS VDD
2 15 0/7.9V
DATA Q11
3 14 0/7.9V
CLOCK Q10
4 13 0/7.7V
Q0 Q9
0V 5 12 0/7.9V
Q1 Q8
6 11 0V
Q2 Q7
7 10 0/4.2V
Q3 Q6
8 9 0/4.2V
Q4 Q5
SERIAL
PARALLEL
DVD or SEL1
IC404
1 16 1.3V
IN1B IN1A
15 0V
GND1
2
SW1
14 1.3V
IN2B
3
OUT1
13 5.0V
VCC
0V 4
GND2 0/3.7V
5 12
OUT2 SW2
6 11 1.3V
OUT3 IN2A
7 10 0V
SW3 GND3
C419
8 9
IN3A IN3B
1
R433
1.3V
100
VGND
C508
0.1
6 7 8 9 10 11 12 13 14
65