Kenwood KVT-915DVD Service Manual page 59

CR
QQ
3 7 63 1515 0
1
J500
VIDEO
2
3
VIDEO
(X25- ) (B/2)
TUNER FM/AM
*A200
26
CN21
24
IF1GND
23
IF1+B
22
S-METER
TE
21
L 13942296513
SD
20
AOUT
19
4
IF2+B
18
IF2GND
17
VDD
16
DIGGND
15
SCL
14
SDA
13
IFCOUT
CN20
12
PLL+B
11
VT
10
OSCGND5
9
OSCGND4
8
OSCGND3
7
OSCGND2
6
AM+B
5
FM+B
4
OSCGND1
5
3
AMIN
2
FMIN
1
RFGND
25
J200
ANTENNA
X25-956x-xx
MODEL
NAME
VDX-09M
KVT-915DVD
KVT-915DVD
6
KVT-925DVD
KVT-925DVD
KVT-935DVD
KVT-935DVD
KVT-945DVD
KVT-965DVD
www
.
7
CS
ELECTRIC UNIT (X25-956x-xx) (A/2)
IC50
4.6V
1
R501 C544
AOUT
100 47u10
4.6V 2
VM1
+
R500 C501
4.5V
1K 4.7u50
3
AIN
+
4
GND
0V
ISO AMP
R502 C503
1K 4.7u50
L +
D504
D500 D502
R
IC51
4.6V
L
1
R503 C543
AOUT
100 47u50
4.6V 2
VM1
R
+
R505 C500
1K 4.7u50 4.5V 3
AIN
+
4
GND
0V
R504 C502 ISO AMP
1K 4.7u50
+
D503 D505
D501
C505
0.01
R206
Q201
R204
CN22
1K
4.7K
12 1
L205
11 2
4.7uH
C217
10 3
0.01
9 4
8 5
7 6
L206
6 7
4.7uH
5 8
C201 C215
4 9
0.01 0.01
3 10 5
2 11 3
1 12 86
L204
CN23
4.7uH
12 1
C216
11 2
0.01
10 3
R211
9 4
22K
8 5
L207
7 6
4.7uH
6 7
Q203
5 8
4 9
3 10
L203
2 11
1 12
D201
R75,
UNIT
ABB. A B C D E F
No. 156
J 0-00 NO NO YES YES YES NO NO
K 0-11 YES NO YES NO NO NO NO
R 3-21 YES NO YES NO NO NO NO
E
2-71 YES YES NO NO NO YES YES
W
M 0-21 YES YES YES NO NO YES NO
H 4-11 NO YES YES YES NO NO NO
X
3-01 NO YES YES YES NO YES NO
C
x ao
y
i
CT
8
CN1
A1 (FAN)
2
1
15
16
8 8.3V
VCC
7 4.6V
BOUT 18
4.6V
C541
22u16
6
VM2
+
5
BIN
4.5V
23
SYNC.
8 8.3V
VCC
SEP
7 4.6V
BOUT 25
4.6V
IC2
C542
6 22u16
VM2
+
5
BIN
4.5V
0V
22
Q13
C18
1
Q Q
3 6 7 1 3
C225
C223
150P
0.1
C222
0.1
4.1V
4.8V
Q204
22K
25
22K
R218 3.5V
Q206
1K
Q207
22K
22K
R162 R163 R164 R165 R166 R167
NO YES NO YES NO YES
NO YES NO YES YES NO
YES NO YES NO YES NO
NO YES YES NO NO YES
YES NO NO YES NO YES
YES NO NO YES YES NO
YES NO YES NO NO YES
u163
.
CU
KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
2 9 9 4 2 8
J1
9 10 11 12
8 7 6 5
Q6
C9
Q7
1
C8 R7
Q5
0.01 2.2K
D4
R8
100K
47K
Q1
FUN 47K
CONT.
C5
220u16
+
R5
D2
22K
C1 0.047
C2
10u16
Q2
+
C6
100u10
+
R2
2 2K
5.0V
5.0V SW 5V
R34
10K
1 5 0 5 8 2 9 9 4
IC22
C224
0.01 ELECTRIC
VOLUME
5.0V
4.1V
4.1V
4.1V C45
0.01
Q8
C10
8.2V
L209
10uH
RDS DECODER
2.6V
IC21
1 16
QUAL RDCL
2 15
C209
RDDA T57
10u16
2.5V 3 14 2.6V
+ VREF OSCOUT
2.5V 4 13 2.0V
MPX OSCIN
5.2V 5 12 5.2V
OSEL VCC
0V 6 11
GND EXTRES 0V
7 10
ARI TM
8 m 9
FILOUT FSEL
co
X25-956x-xx (1/6)
CV
9 9
CE
POWER
J2
13 14 15 16
4 3 2 1
BU14V
D3
D
Q4
BU 5V
Q3
D6
R23 4.7K
∗
C
Q18
R25
Q12
560
1W
R27
22K
D5
2 8 9 9
R24 4.7K
R16
1K
1/2W Q17
C16
3.3u50
Q16
+
C14 1
Q15
BU14V
D7
C11
0.1
Q14
10K
1
47K
∗
A
C231 0.0
R221
Q210
10K C232 0.0
R223
10K
C220
D202
10P
C234 R22
0.01 5.6
R225 C23
15K 0.0
C219
IC23 NOISE AM
10P
R226
82K 4
V- BIN
3
C242
0V
AIN+ BIN
0.01
2
AIN- BOU
1
AOUT V
R230 R231
10K 10K
59