Kenwood KDC-MP202 Service Manual page 21

F
AUDIO+B
CF54
450.000kHz
Q503
AFS
CONTROL
R972
L509
0
∗
C582
∗
0.01
Q503
2.6V
FM
0V
∗
C581
0.1
5V
FM
4.4V
0V
60
MPTHTC
5V TUNER
59
0V CHANGE RDSMUTE
58
AUDIOMUTE
57
QUALITY
TP513 SMETER
56
4V
SMETER
FM
AM
0V TP511 SD
55
SD
5V
R548 470
54
FM 0V
SCL
AM
53 R547 470
5V SDA
0V
R546 100K
3V
C566
AM
1.9V
0.47u50
52
PW-ON
0V FMMUTETC
+
51
TUNEROUT
R561
∗
3.9V
2.7K C567
C565
50
TUNERIN
0.47
49
IN1L Lch
D509
3.0V
C563
47u16
48
IN1COM
+
47
IN1R Rch
46
D508
IN2R
45
IN2COM
44
IN2L
43
ACLOUT
42
ACLIN
4.8V 3.0V
41
ACROUT
3.4V
3.9V
1
L515
4.7uH
AUDIO+B
4
SW5V
9
∗
C
9
PANEL
5V SW TP375
BU+5V
D301
R319
Q401
240
FL+B
LED+B
L401
4.7uH
G
1 1
2
RST
TP432
1
5.0V
IC8
R955
0
0V
2
6
R549
47K 6
5
R201 10K
57
C201
18P X2
32.768kHz
82
C202 R202
59 22P 10K
X1
SCL
3
SDA
AUDIO
TP510 10.000MHz
51
R227 47K
R228 47K
4
18
20
21
23
8
1
6
5
5
3
6
5
8
DSI
ILLUMI
SW
Q301
H
BU+5V
+5V
65
Q105
D110
Q104,105
MUTE
D112
CONTROL
0V
Q104
5.0V
5.0V
RESET IC
1
1 PS2 2
2
2 PS2 1
3 0 or 5.0V
3 PS1 1
4
4 PS1 2
5
5 PS1 3
5V
6
REMO
0V
7
NC
0V 8
BYTE
TP412
0V 9
CNVSS
10
XCIN
11
XCOUT
5V
12
RESET
0V
13
XOUT
0V 14
VSS
15
XIN
5.0V
16
VCC1
5.0V
17
NMI
5V
0V
18
CN DET
19 5V
NC
0V
5V
20
0V
KEY REQ
21
PON FL
5V
22
0V
DSI
5V
23
PON PANEL
0V
24
NC
25
5V
NC
5V
26
0V
0V NC
27
NC
28
PWIC BEEP
29
29 CD SCL
30
30 CD SDA
7
5V
0V
3
SW5V
AUDIO+B
E2PROM
IC11 0V
5.0V
1 8
A0 VCC
5.0V
7
2
WP
A1
3 6
5V
A2 SCL
0V
0V
TP410
4 5 AUD-SCL
GND SDA
TP409
AUD-SDA
I
KDC-MP202/MP333
KDC-MP333RC/MP433
10
0 - 5.0V
0 or 1.6 or 5.0V
5V
0 - 5.0V
0V
5V
0V
5V
0V
∗
5V
IC1
0V
SYSTEM u-COM
PWIC MUTE
5V
0V
5V
0V
TUN FANC OUT
5V
0V
5V 5V
0V 0V
5V
0V
ROTARY CCW
5V
0V
7
7
9
8
7
3
SCL
SDA
24 22 20
CN2 23 21 19
X34-409x-xx (2/4)
J
1
BU+5V
2
+5V
5
TP502
NOISE
∗
R210
80
TYPE 3 ∗
R211 22K
0 or 5.0V
∗
79 22K R208
TYPE 2 ∗
R209 22K
0 or 5.0V
∗
22K R206
78
TYPE 1 ∗
R207 22K
0V 22K R205 22K
77
TUN TYPE2
0V R204 22K
76
TUN TYPE1
75
RDS CLK 75
74
NC
73
NC
72
NC
71
NC
70
NC
69
NC
68
68
67
PWIC STBY 67
66
PWIC SVR
65
R220
VOL MUTE 65
22K
64 0V
VSS
63
NC
5.0V
62
VCC2
61
PON FM 61
FANC-OUT
TP414
60
R219
4.7K
59
TUN SD 59
ADJ
R217
TP404
0V 2.2K R218
58
TUN ADJ
∗
47K
R216
57
RDS AFS L
56 470
NC
55
TP501
NC
RDS-MUTE
54
NC
53
NC
52
51
5V
NC
0V
5
6
7
8
R310
100K
18 16 14 12 1
17 15 13 11
to MECHANISM ASS'Y
21