Kenwood KDC-135 Service Manual page 25

F
BU
TP315
4
CORRECTION (NOT USED)
IC10
0V 1 8 5.0V
A0 VCC SW5V
0V 0V
2 7
A1 WP
0V 3 6 TP410
A2 SCL SCL
0V 4 5 TP409
GND SDA SDA 6
5V
0V
E2PROM
O+B-1
Q402
QUICK CHARGE
VOLTAGE SW
16
DD ∗
15
K
ZB
14
R407
ZA
10K
13
1A
Q402
12
0A
∗
R404
11
J
SA
10 Q401
1K
SB
R972
9
SC
0
W
IC9 CONTROL SW
7
D301
11 9 7 5 3 1
10 8 6 4 2
X16-
A
2/2
J1
G
5
C808
1u50 R807
+
4.3K
4
1
TP316
5
10
10
1
R598
22K
4
R599
1K
5
4
1
10
18
C401
47u16
+
6
24
26
6
67
R406
22K
10
69 6
8
6
7
8 8
BU5V
Q301
BU5V
PANEL 5V SW
24
CN2
PANEL CN CD CN
H
BU
∗
IC8
R229
TP432
100K
1 4
OUT VSS
5.0V
5.0V
2 3
VDD NC
5.0V
RESET IC
∗ 5V
R201
0V
47K
1
1 LX DATA M
2
2 LX CLK
∗
3 5V
R202
NC
0V
4
5V
100K
NC
0V 5
NC
5V
6
REMO 0V
7
NC
8
BYTE 0V
R203
TP412 9
CNVSS
C202 10K 10
XCIN
18P X2
32.768kHz
C203 R204
11
XCOUT
22P 10K 5V
12
RESET 0V
13
XOUT
X1
10.000MHz
14
VSS
15
0V
XIN
5.0V 16
VCC1
R206 47K 17
NMI
5.0V
R207 47K
5V
18
PANEL DET 0V
19
NC
TP413
20
R208
NC
47K 0V
21
ROMCOR DET
22
NC
23
5V
NC
0V 24
PON FL
25
5V
NC
0V 26
PON PANEL
27
5V
NC
0V 28
PWIC BEEP
R209
470
29
5V
SCL AUD SCL
0V
R210
30
SDA AUD SDA
470
R335
47K
8
10
SW5V
22 20 18 16
23 21 19 17 15
to X32- CN2
I
KDC-135/135CR/136
5
4
1
BU5V-1
10
5V
0 or 1.6 or 2.5 or
0V
3.4 or 5.0V
5V
1.6V
0V
5V
0V
∗
IC1
SYSTEM u-COM
5V
5V
0V
0V
5V
5V 5V
0V
0V 0V
5V
5V 5V
0V
0V 0V
5V 5V
0V 0V
5V
0V
0V
8
9
7
BU5V
9
SW5V
14 12 10 8 6 4
13 11 9 7 5
X34-469x-xx (2/3)
J
4
1
BU5V-2
7
TP502
5V
80
0V BU DET
79
ACC DET
5V
78
0V PWIC MUTE
5V
77
0V PWIC STBY
5V
76
0V PWIC SVR
5V
75
0V LX REQ S
5V
0V
5V
74
0V RDS CLK
73
LX REQ M
72
LX MUTE
71
5V
LX CON
0V
70
LX RST
69
ANALOG CON
5V
68
0V MUTE
67
PON EXT GND
5V
66
0V TUN IFC OUT
65
RDS AFS M
64 0
VSS
63
NC
62 5
VCC2
5V
61
RDS QUAL
0V
60
RDS DATA
5V
59
0V DSI
58
NC
5V
57
0V ROTARY CW
56
ROTARY CCW
5V
55
0V CD DISC12 SW
5V
54
0V
CD MUTE
53
5V NC
52
0V
NC
51
5V
NC
0V
10
10
R1
10
∗
1/2
H
ILL &
VFD
Q8
VFD+B
AVR
2
Q9
3 1
CONTROL
SW for
VFD+B
25