Kenwood DDX7015 Service Manual page 54

AY
DDX7015/7025/7035
DDX7045/7065
X14-
1/4
CN904
N450
2 4 6 8 10
1 3 5 7 9
R455
75
52
RESET SW
51
Q460
22K
22K
R471
10K
Q300
0V
12
NOISE
LEVEL
DET. SW
0V
13
135 MPIN
R300
2
4.7K
3.9V
C313
14
R306
MPOUT
2.2K 0.1
15
QUAL
1.5V
∗
A
Q300
3.7V 16
14 AFS
2.7V 17
Q301 MUTE
18
22K
11 SDA
17 5.2V
19
10 SCL
22K
20
NFR FREER
21
S-MUTE
NFL FREEL
SW
22
OUTLR
61
8 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
54
X34-316x-xx A,C/3 (2/5)
AZ
C
12 14 16 18 20 22 24
11 13 15 17 19 21 23
R177
22K R178
1K
RESET INV.
IC452
1
5.2V 5
NC
VCC
2 0V
A
5.2V
3
4
GND
Y
0V
(BOTTOM VIEW)
D462
40
CDL
CDR
MDR
4.3V MDL
IC301
ELECTRICAL VOL.
CREF
SELECTOR FM MPX
SUBL
SUBR
ACOUTR
ACOUTL
4.3V ACIN0L
8.2V
ACIN0R
0V
C322
0.01
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15
X34-(B/3)
F
3/4
CN8
BA
to DC CORD
J450
26 8 6 4 2
25 7 5 3 1
IC450,451
D457
∗
10
E
IC453
C466
0.01
Q551-544
VOLTAGE SHIFT
(5V
1
C330 1
44
44
C331 1
43
43
7
C332 2.2
42
42
C333 2.2
41
41 41
C334
40 2.2u50
+
C335 1
39
39
C336 1
38
38
37
37
36
36
35
34
14 13 12 11 10 9 8 7 6 5 4 3 2 1
(X34-316x-xx) (A/3) (C/3)
UNIT
MODEL NAME A B E C D
No.
K 0-10 YES YES NO YES
DDX7015 W02-3463-05
DDX7035 M 0-21 YES YES YES YES W02-3464-05
DDX7045 X 0-71 NO YES NO NO W02-3463-05
DDX7025 E 2-71 YES NO YES YES W02-3464-05
DDX7045 R 3-21 YES YES NO YES W02-3463-05
DDX7065 C 3-01 NO YES NO NO W02-3463-05
BB
R460 C459
75 220u6.3
B
+
1.9V
75 DRIVER
& 6dB AMP
C463
0.01
R466 C461
75 330u6.3
1.9V
+
R456 C454
75 220u6.3
R
+
1.9V
C458
0.01
C453
10u16
+
R457 C456
75 220u6.3
1.9V
G
+
Q551 Q552
8V)
IC550
4.7V
16 8.3V
4.7V
1
VDD
Y0
4.7V
2 15
Y2 X2
4.7V 4.7V
3 14
YCOM X1
4 13 4.7V
Y3 XCOM
4.7V 5 12 4.7V
Y1 X0
0V 6 11
INH X3
7 10 0V
VEE A
8 9 8.3V
VSS B
4ch MPX
50 49 48 47 46 45 44 43 42 41 40 39 38
CN9
A1 L205 R155 R156 R159 R160 R163 R164
YES NO YES NO YES YES NO
YES NO YES YES NO YES NO
NO YES NO NO YES YES NO
YES NO YES YES NO NO YES
YES YES NO YES NO YES NO
NO YES NO NO YES NO YES
BC
C460
2.1V
0.1
IC451
P1 P2
C
C462
0.1
2.1V
C455
2.1V
R
0.1
IC450
C457
0.1
2.1V
G
Q553 Q554
1
7
8.3V
IC554
4.7V
4.
1 16
Y0 VDD
2 15
Y2 X2
4.7V 4.7V
3 14
YCOM X1
4 13 4.7V
Y3 XCOM
4.7V 5 12
Y1 X0
0V 6 11
INH X3
7 10 0V
VEE A
8 9 8.3V
VSS B
4ch MPX
37 36 35 34 33 32 31 30 29 28 27 26
W33 W450
NO NO
NO NO
G
NO NO
YES YES
NO NO
NO NO