Kenwood DDX5024 Service Manual page 37

AT
C to TV TUNER
400
20 18 16 14 12 10
24
19 17 15 13 11
23
R406
10
R407
4.7
R408
D406
10
D407
D408
D409
D410
D411
D412
D413
ESDGND
11
6
5.0V
TP1 F1 TP2 TP6
Q12
1.6A
Q8 2
3
C41
1
Q15
SW14V
Q7 Q25
A8V
IC1
TP9
IN OUT
1.3V
13.8V GND
0V
3 C336
3
D307
0.47
4 C335
47u6.3
2
+
D302
8 C334
0.47
1
D303
R823 8
AGND 10
GND2
CN800
60 59 58 57 56
P801
AU
8 6 4 2
22
9 7 5 3 1
21
TP417
TP416
D417
R417
100
R158
47K
5V 5V
0V 0V
IC402
8
VCC
1
7
2
6
3
5
4
GND
0V 5.0V
5
TP82
3.3V
IC2
1 5
VDD VOUT
GND 0V
4
CE NC
BU3.3V
TP81
12
Q22
4
SW14V
Q21
3
5V
5.0V
0V
∗
IC105
3.3V
5V
3.3V
0V 0V
8
7
14
55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
AV
∗
D
J401
13 12 11 10
9 8 7 6
5 4 3
2 1
14 15
C419
D419
0.47
C418
D420
0.47
D421
D425
12
11
6
12
64
∗
W301
62
8.0V
∗
W300
61
63
AUDIO SEL
(MAIN BT)
BU5VA
12
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
X15-
1/3
A/2-
B
CN301
AW
DDX5024/5034/5034BT/5034M/5054/514/54R
DNX5140/5240/5240BT/6000EX/6140
+B
F2
Q406
5A
Q500
Q403
TP427
IC401
R445
C420 10
6 5
IN2+ OUT2
0.47
4
D422
VCC
R451
10
7
IN2-
3
D424
VREF
8
R452 NC
10 9
IN1-
2
D426
4.5V GND
R453
10
10 1
IN1+ OUT1
D423
ISO AMP
11
∗ ∗
Q302 Q304 Q301 Q305
R329 10K
R326 10K
∗ ∗
W308 W310
∗ ∗
W306 W304
8.0V
8V
4V 4V
0V
0V
AUDIO
SEL MAIN
∗
W311
∗ ∗
W307 W305
3
4
8
7
9
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
X34-575x-xx (2/5)
AX
Q502
TUN8V
TUNER +B
Q503
Q501
R500
1.5K C500
1
12
8.0V
A8V
C425
4.5V 22u16
+
0V
AGND
R454
SW14V
1K
1
5
10
Q303
13
6
AGND
12
17
15
11
14
9
8V
0V
0V
AUDIO
SEL SUB
4
2
19
3
4
BU5VA
9
7
14
8
A8V
5 4 3 2 1
CN801
37