Kenwood KDC-3028 Service Manual page 21

F
QQ
3 7 63 1515 0
52
CF53
0MHz
10.700MHz
4.3V
AM : 4.1V
FM : 5.2V
AM : 0V
AM : 4.2V
FM : 4.0V
FM : 0.2V
AM : 3.1V
FM : 0V
IC10
E-VOL & TUNER
TE
L 13942296513
5V
0V
C603
3P
X501
10.250MHz
www
TP166
15 13 11
14 12
5
.
G
L602
D203
L509
IC6
MUTE
LOGIC
CF54
450.000kHz
AM : 8.0V
FM : 8.1V
C512
10u16
60 5.0V
VREF1
AM : 3.75V
+
59
FM : 0V AMIFIN
58 0V
GNDDEM
R562 10M
C588 0.47
57 3.0V
FMREFDEMC
C586 1
56
AMIFREE
AM : 3.8V
TP504
55
FM : 0V
MPXOUT
C564 0.47
54
MPXIN
53 8.1V
APVCC
R1 100
52
3.0V IN2L
R2 100
51
IN2R
50 3.8V C561 0.1
FSW
49
AFS
48 0.6V
QUALITYOUT
47 3.3V
SMUTE
46 5.0V
FSU
R590 10K
45 3.4V
DCOUT
44 0.2V
SSTOP
TP430
R589
47K
43 5.0V
WININ
R592
TP431
22K
42 0V
APGND
41 4.0V
3.0V 4.0V
OUTRR
TP510
RL
FL
FR
R
G
L
+8V-A
62
FL+B SW
Q153
R196
4.7K
R195
1.5K
Q152
x ao
9 7 5
y
10 8 6 4
i
X16-
A 2/2
J1
H
8
7
C201
5V
0.01
0V
4.5V
0V
5V
0V
3
C568
R561 270P
∗
4.7K
W367
C562
10u10
+
L
R
19
80
1
C556
21
0.01
Q Q
3 6 7 1 3
R435
10K
R436
10K
TP433
TP434
C600
100u10
+
L601
R183
1K
R194
TP165
470K
Q151
PANEL EJECT
5V SW ILLUMI
u163
3 1
2
.
I
KDC-3028/328
2 9 9 4 2 8
3,43
∗
R431
22K
5V
0V
21
TUN SD
22
22 LX RST
23
23 LX CON
24
24 LX REQ M
TP410
D403
R438 1K
25
AUD SDA
TP409
R437 1K
26
AUD SCL
27
27 PWIC STBY
R454
28
VOL MUTE
29
4.7K
29 PWIC MUTE
30
RDS AFSM
TP414
31
RESET2
32
32 RDS DATA
0V 33
VSS1
34
34 RDS QUAL
TP317
35
ACC DET
36
BU DET
37
37 PON
1 5 0 5 8 2 9 9 4
38
38 PS2 2
39
39 PS2 1
40
40 PS1 1
5V
0V
5.0V
5.0V
IC11
Q156
EJECT
m
SW
24 22
23
CN2
co
X34-3390-1x (2/4)
J
9 9
5V
0V
5V
5V 0.5V or
0V
0V 5.0V
5V
5V
0V
0V
5V
0V
5V
0V
5V
0V
∗
IC1
4.9V
SYSTEM u-C
0V
5V
0V
5V
5V
0V
0V
5V
5V
0V
0V
5V
0V
5V
0V
2 8 9 9
0V or 5V
E2PROM
20 18 16 14 12
21 19 17 15 13 1
to CD PLAYER UNIT (X
21