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Kenwood KDC-9026R Service Manual page 24

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A
KDC-9026R/PSW9527
KDC-W9027/X979
QQ
3 7 63 1515 0
1
(X34-305x-xx)
UNIT
A
B
C
D
MODEL NAME
No.
KDC-X979
0-10
YES
YES
NO
YES
KDC-9026R
0-21
NO
NO
NO
YES
KDC-PSW9527
2-71
NO
YES
YES
YES
KDC-W9027
2-72
NO
YES
YES
NO
ELECTRIC UNIT (X34-305x-xx)
2
C3
220u16
+
R1
D3
22K
C4
B.U.5V
0.01
AVR
Q1
C5
10u16
+
Q2
C6
100u6.3
+
Q3,601
R3
R4
SW5V
Q3
22K
2.2K
Q601
3
22K
Q4
22K
22K
Q5
22K
Q4,5
SW14V
Q6-8
R5
AUDIO
220
8V AVR
Q6
Q7
Q8
22K
TE
22K
L 13942296513
13.7V
IC3
3
4
2
0V
GND
REGULATOR
IC for A8V
1
1.29V
R7
R8
4.3K
24K
C8
220u10
+
D4
R9 1.5K
C701
Q602
0.47
Q9
C9
100u10
+
SERVO +B AVR
D10
5
R28 4.7K
P-ANT SW
A
R29
Q24
1K
Q23
1/2W
R49
1K
R30
1/2W
22K
D12
R31 4.7K
D15
C47 1
6
13.4V
0V
www
IC19
14.0V
7
24
X34-3050-11/21, X34-3052-71/72 (1/5)
B
C244,
R124-
A1
R106 R107
R108
R109
W3
284
126
X86-3730-11
YES
NO
NO
YES
YES
YES
NO
X86-3732-70
YES
YES
NO
NO
YES
NO
YES
X86-3732-70
YES
NO
YES
YES
NO
YES
YES
X86-3732-70
NO
YES
YES
NO
NO
YES
YES
AUDIO 10.5V AVR
Q16 Q15
R17
1K
R18
75
10.5V
IC7
-9V AVR
(DC/DC IC)
10V
0V
for 4.5V
PRE-OUT
10.5V
C34
R19
D9
2.2
2.7K
C35
C36
2.2
22u16
+
R21
Q18
7.5K
Q17
Q17-19
Q19
PRE-AMP
C37
-9V AVR
0.022
R22
R23 56K
270K
Q21
R25
Q22
10K
Q20
Q20-22
C38
PRE-AMP
0.01
+9V AVR
R26
91K
R27 91K
C40 2.2
C39 2.2
P-CON IC
IC18
14.0V
5
4
21
ENABLE
VS
6
0V
4.1V
GND3
0V
7
0V
3
0V
GND4
GND2
8
2
22
DIAGOUT
0V
GND1
1
5V
14.0V
OUT
0V
30
L2
82uH
5.2V
IC19
Q12
SWICHING
REGULATOR
IC for CD4.7V
x
ao
.
i
1.2V
C
W4,5
NO
NO
NO
YES
EX AMP
CONTROL
BUFFER
Q25
R33
R34
Q Q
47K
22K
3
6 7
C41
0.01
D17
76
SMALL
LAMP
C42
DET SW
0.022
Q26
29
R35
100K
C43 1
44
C48 0.01
IC9
5V
14
1
0V
VDD
13
5V
0V
2
12
3
11
4
10
5V
0V
5
9
6
8
0V
7
VSS
LOGIC IC for MUTING
46
R13
Q13
2.2
L3
1W
22uH
Q14
Q11-14
ILL &
DC/DC
DC/DC
CONVERTER
+B AVR
R14
A2
750
u163
y
Q11
22K
22K
D
2 9
9 4
8
2
A
1
2
B
1
D20
D21
Q31
22K
2
Q30
22K
22K
1
MUTE
22K
DRIVER
R50
R53
68K
39K
R51
13
100K
D23
Q32
14
R52
1 3
1 5
0 5
8
100
2 9
Q33
R42
3.3K
1/2W
C46
C45
15
1000P
0.01
R38
R44
8.2K
18K
ACC
Q27
Q29
R41
DET
22K
BU DET
R105
22K
5.0V
R16
4.7K
5V
Q10
0V
5V
0V
0V
m
co
C22
0.01
C23
33u63
.
+
E
2 8
9 9
4
6
8
ACC
3
5
7
P.CON
4
6
8
3
5
7
C111
0.01
C101
47u6.3
+
9 4
2 8
9 9
C1
20
C
X
2
28
R104
22K
R106 1
R107
10K
R110
100K
5.0V
44
RES

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