Kenwood KDC-X679 Service Manual page 23

K
89
C208
1000P
C209
T
0.01
5.0V 0V
5V
0V
5V 0V
0V
5V
5V 0-5.0V
0V
0V
5V
0V
5V
0V
5V
0V
0V or 3.5V
V or
.5V or
5V 5V
.0V
0V 0V
5V
0V 5V
0V
L
80
87
5V
5V
0V
0V
5V
0V
5V
0V
IC1
SYSTEM
u-COM
5V
5V
5V
0V
0V
0V
0V
0V
CP204
10K
S1
CP203
1K
S2
35
M
TP601
5V
0V
R136 100K
75
5V
BU DET 75
0V
R273 2.2K
74
ILLUMI DET 74
73
ANT CONT 73
5V
72 R272 2.2K
0V
P CON 72
5V
R274 2.2K
71
0V EXT CONT 71
70
OPEL CE 70
5V
69
0V
OPEL CLK 69
68
OPEL DATA 68
67
5V NC
CP207
66
0V
100
NC
R265 47K
65 0V
TYPE2
R262 47K
64 5.0V
TYPE1
R261 47K
63
TYPE0
62
VSS
0V
R259 47K
61
COR DET
TP140
5V
5.0V
60
0V VCC
59
PON
5V
R258 47K
0V
58
PON CD 58
5V
57
0V PON ILL 57
R257 47K
56
TUN TYPE0
0V
R254 47K
55
TUN TYPE1
54 R253 2.2K
CD MOSW 54
5V
R252 100
53
0V
CD LOEJ 53
R251 2.2K
52
CD LOE LIM SW 52
R250 2.2K
51
CD DISK8 SW 51
5V 5V
5V
0V 0V
0V
5V
0V
N
KDC-X679
J1
9
8
L201
4.7uH
Q35
EX AMP
CONTROL
BUFFER
Q31 47K
2.2K
5V
IC10
0V
1
VCC
75
2
82
5V
0V 3
0V 4
GND
81
MUTING
LOGIC IC
P-CON
PROTECTION
Q29
10K
10K
Q30
10K
P-CON SW
47K
SW
REGULATOR
A1
IC20
C23
100u16
+
TP64
X34-3000-10 (3/4)
O
10 11 12
7 6 5
BU
Q3
DET
R132
100
R133
10K
SW
Q5
5
R125 R124 C11
47K 22K 0.02
C115
Q3
0.01
D109
74
SMALL LAM
C
5.0V
8
1
5V
0V
7
6
5V
5 0V
Q27
Q28
R121 22K
57
Q
R11
1K
4
2
0
SW
for
23