Kenwood KVT-512DVD Service Manual page 29

A
(X15-110x-xx) (A/2)
1
J1
12 13
11 10
2
R3
1K
C2 0.01
D1
Q2
Q1
R1
R4
10K
47K
C1
1
SW3.3V
R101
560
R100
3
560
Q51
C36 0.047
Q52
R88 R90 R98
0 6.2K 33K
C37
220P C48
R94 C44 1000P
10K 0.01
4
C38 R102
100P 0
R91 C45
33K 0.022
C39 R103
47P 0
R92 C46
68K 0.01
R89 R93
680 5.6K R99
33K
C40
220P C41
0.047
Q53
5
Q56
C92 0.1
R124 R126 R133
680 5.6K 33K
C93
220P C103
R130 C99 1000P
10K 0.01
6
C94 R136
47P 0
R127 C100
68K 0.022
C95 R137
47P 0
R128 C101
68K 0.015
R125 R129
560 10K R134
33K
C96
220P C97
0.047
Q57
7
49
B
to DC CORD
14 15 16 17 18 19 20 21 22
9 8 7 6 5 4 3 2 1
10
D7
P-CON
R10 4.7K
R9
Q4
1K D6
R12 1K
C5 0.01 1/2W
C9
D4
3.3
Q3
Q5
C10
1
C4
Q7
Q6
1
C12
R7
D5
0.1
100K
50
R106 560
C52 2200P C51 2200P
R105 560
DC/DC CONVERTER
IC3
3.3V
28
5.5V
R108
PGOOD
1
27 22
RUN/SS1
2.7V
TG1
C49
2
26
SENSE1+
SW1
1000P
3
SENSE1-
25
0.9V 4
BOOST1
VOSENSE1
1.2V 5
R109
PLLFLTR
0
24
VIN
6
PLLIN 23
BG1
0V 7
5.0V
FCB
22
EXTVCC
21
INTVCC
0V
0.6V 8
ITH1
20
0V 9
PGND
SGND
R110
19
BG2
10
0
OUT3.3V 18
1.0V 11 BOOST2
ITH2
0.9V 12
VOSENSE2 17
SW2
5.1V 13 16
SENSE2- TG2
C50
14 15
SENSE2+ RUN/SS2 5.3V
1000P
5.1V
R107
0
R104
0
DC/DC CONVERTER
IC4
3.3V
28
5.5V
R141
PGOOD
1
27 22
RUN/SS1
5.1V
TG1
C104
2
26
SENSE1+
SW1
1000P
3
SENSE1-
25
0.9V
4
BOOST1
VOSENSE1
1.2V 5
R142
PLLFLTR
0
24
VIN
6
PLLIN 23
BG1
0V 7
5.0V
FCB
22
EXTVCC
21
INTVCC
0V
0.6V 8
ITH1
20
0V 9
PGND
SGND
R143
19
BG2
10
0
OUT3.3V 18
0.8V 11 BOOST2
ITH2
0.9V 12
VOSENSE2 17
SW2
3.3V 13 16
SENSE2- TG2
C105
14 15
SENSE2+ RUN/SS2 5.5V
1000P
3.3V
R140
0
R139
0
C
P1 P2 P4 P5
TP24
C203
1000P
VGND
10
BU
R28
6.2K
D9
R29
R15
6.2K
4.7K
Q8
R19 1K
D12
1/2W
R17 R20 1K C14
10K 1/2W 0.47
ANT-
CON
Q9
R18
R30
10K 9.1K
∗
A
TP27
Q11
Q54
L6
C175 10
10uH
C80 0.01
R114
10
C81 0.1
68u25
68u25
C84 0.1
C85 0.01
L7
10uH
C178 10
R111
22
Q58
L10
C180 10
10uH
C133 0.01
R147
10
C134 0.1
68u25
C136 68u25
C137 0.1
C138 0.01
L11
10uH
C139 2.2
C181 2.2
R144
22
49
D
KVT-50DVDRY/512/522DVD
/522DVDY/532DVD/532DVDM
FAN
CN2 CN3
1 2 1 2 3 4 5 6 7 8
TP36
C150 0.1
C151 0.01
C152 0.1
C153 0.01
C154 0.1
C155 0.01
C156 0.1
C157 0.01
10
51
10
BU
SW5V
50
SW3.3V
R117
0.047
MECHA7.5V
L4 10uH
TP38
R118 R121
MCHA7.5V
0.047 0
C77
120u10
+
C87 0.01
C82
C89 0.1
+
C83
C90 0.1
+
C88 0.01
C78
220u6.3
+
L2
Q55
180
5V
R123
L5 10uH
TP39
0
R119
0.033 R281
0
SW14V
L8 10uH
TP40
R150 R154
0.022 0
R155
5V
0
C130
220u6.3
+
C140 0.01
C135
C142 0.1
+
C143 0.1
PGND
+
C141 0.01
C131
220u6.3
+
L3
Q59
180
3.3V
R157
L9 10uH
TP41
0
R153
0.022 R156
0
SW14V
X15-110x-xx (1/11)
E
9 10 11 12 13 14 15 16 17 18 19 2
BL
D
D
D
D
D
44
50
V5V
D5V
SW5V
USB5V
P5V
V3.3V
SW3.3V
D3.3V
49
29