Kenwood KDC-138 Service Manual page 30
Old x34-56 series
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Also See for KDC-138:
- Instruction manual (56 pages) ,
- Training manual (52 pages) ,
- Instruction manual (56 pages)
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K
X34-56xx-xx
BU
5
1
BU5V
10
R229
100K
5.0V
SET IC
TA M
K
5V
0V
5V
1.6V
0V
4.8V
3.3V
0V
0V
0V
S
T
5V
0V
IC1
SYSTEM u-COM
5V
T
0V
5V
0V
5V
5V
0V
0V
OR DET
5V
0V
5V
L
0V
5V
ANEL
0V
0V
5V
CL
0V
DA
R335
47K
8
9
7
9
BU5V
SW5V
R314
100K
18
16
14
12
10
19
17
15
13
11
to X32- CN2
30
X34-56xx-xx (3/4)
L
TP502
3.5V
0V
5V
BU DET
0V
0 or 1.6 or 2.5 or
ACC DET
3.4 or 5.0V
5V
0V
PWIC MUTE
5V
PWIC STBY
0V
5V
0V
PWIC SVR
5V
0V
LX REQ S
5V
0V
RDS CLK
LX REQ M
5V
0V
5V
LX MUTE
0V
LX CON
LX RST
5V
0V
MUTE
5V
0V
TUN IFC OUT
VSS
5V
0V
VCC2
RDS QUAL
5V
5V
0V
RDS DATA
0V
5V
0V
5V
0V
ROTARY CW
5V
5V
ROTARY CCW
0V
0V
5V
0V
CD DISC12 SW
5V
5V
CD MUTE
0V
0V
5V
0V
5V
0V
10
10
8
6
4
2
9
7
5
3
1
M
BU
5
1
BU5V
1
80
79
78
78
77
77
76
76
75
75
R220 100K
74
74
73
73
R219 100K
72
72
71
71
70
70
69
NC
68
68
67
NC
66
66
65
NC
64
0V
63
NC
7
62
5.0V
61
TP404
61
60
60
59
NC
58
NC
57
57
56
56
55
55
54
8
54
53
NC
52
NC
9
51
NC
7
9
8
7
SERVO+B
AUDIO+B
AM+B
BU5V
BU5V
SW5V
R15
R14
R13
R12
R11
10
10
10
10
10
1/2W
1/2W
1/2W
1/2W
1/2W
H
R961
W5
0
ILL &
VFD+B
BU
Q8
Q8
Q10
VFD+B
Q9
AVR
R16
Q9
680
CONTROL
SW for
VFD+B
10
N
DC CN
J1
9
10
11
12
13
14
15
8
7
6
5
4
3
2
5
BU
P ANT
D104
R953
0
E
P CON
D102
L
LINE MUTE
F
R103
10K
SW5V
SERVO+B AVR
14V SW
Q2
Q12
Q3
Q11
Q3
CONTROL
SW for
SERVO+B
SURGE DET
Q103
R114
R112
D107
10K
20K
BU DET
D108
Q102
ACC DET
Q101
D106
R107
33K
BU
POWER SUPPLY IC
TP920
0V
14.4V
TP921
0V
2
14.4V
TP922
0V
3
TP27
4
TP25
5
8.1V
TP924
0V
14.4V
6
C5
TP30
220u16
13.7V
7
+
5.0V
8
5V
0V
TP420
9
10.3V
4.9V
2.5V
TP26
0V
10
11
TP28
10.2V
12
Q14
D5
TP31
Q13
VFD+B
SW
Q7
Q13,14
CONTROL SW for IC4
10
X34-56xx-xx (1/1)
O
ELECTRIC U
F1 10A
TP16
(F52-0023-05)
16
FUSE
E
1
R
K
K
D1
K
K
K
2008
MODEL
K
K
C1
K
CHANGED
3300u16
NEW
K
+
X34-
K
C16 0.01
K
K
K
K
K
K
E
K
K
2008
K
MODEL
K
K
K
C
VISTEON
C
C
KHODRO
K
E
R
K
K
K
K
K
2008
MODEL
K
K
K
CHANGED
NEW
K
X34-
K
K
K
K
K
K
K
E
K
K
2008
K
MODEL
K
K
K
C
VISTEON
C
C
KHODRO
K
E
R
K
K
K
K
2008
K
MODEL
K
K
K
CHANGED
NEW
K
X34-
IC4
K
K
1
K
GND
K
K
P-CON
K
K
E
P-ANT
K
AUDIO
K
2008
AM
K
MODEL
K
K
VCC1
K
C
VISTEON
C
VCC2
C
VDD
KHODRO
K
SW5V
SEL1
SEL2
ILM
4.9V
2.5V
0V
C990
0.022
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