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Kenwood C929 Service Manual page 10

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A
B
Q Q
3 7 6 3 1 5 1 5 0
1
SUB-CIRCUIT UNIT (X16-1030-00)
SYS-ON
BU14V
GND
J1
BUS+
4
3
2
1
CH-RST
CH-MUTE
8
7
6
5
A-GND
12
11
10
9
BUS-
2
13
(PON-REQ)
R ch
L ch
R1
390
Q1
D-OUT
(TRANSISTOR
J2
VCC SW)
Q2
R3
1.1K
C2
D-OUT
15P
(TRANSMITTER
DRIVER)
3
J1
Q1
:
DTA143EK
(E56-0825-05)
Q2
:
2SC3437
1
BUS+
2
GND
3
BU+14
4
SYS-ON
5
CH-MUTE
6
A-GND
7
CH-RST
8
R ch
9
(GND)
10
T E
BUS-
L
1 3 9 4 2 2 9 6 5 1 3
11
(BU+14)
12
L ch
(PON-REQ)
13
4
5
6
w w w
7
C
D
CD PLAYER UNIT (X32-4970-00)
LPS
AVREF0
LPS
GND
CN1
CN2
BU+14V
1
1
BU+14V
2
2
CH-RST
3
3
3
R-ch
R167
4
4
100
A-GND
5
5
R168
L-ch
6
6
100
SYS-ON
R100
7
7
7
1K
GND
8
8
K1
GND
9
9
CH-MUTE
10
10
44
D17
D-5V
11
11
L14
BUS-
12
12
NC
13
13
DG-CON
14
14
75
L15
BUS+
15
15
K2
L16
D-OUT
16
16
36
4.7K
Q23
Q24
4.7K
Q24
DRIVER
Q20
B.U. VOLTAGE DOWN
DETECTION SW
D12
R77
18K
Q20
D7
22K
22K
D15
IC14
R130
9
8
BUS-
GND
22
R131
10
7
BUS+
XO
22
C86
6
0.1
11
XI
AVDD
12
SEL
5
13
C/D
95
CS
4
14
IRQ
96
RST
3
15
DOUT
TEST
2
16
DIN
VDD
1
SCK
x
a o
.
i
E
F
R37 3.6K
39
IC3
C37
R39
38
ACTIVE
330P
3.6K
C39
FILTER
330P
C47
R53
C43
10u16
680
C41
68P
+
68P
Q6,7
AUDIO
IC3
MUTE
IC2
D21
Q6
4.7K
7.0V
D22
C42
C44
Q7
68P
68P
4.7K
C40
C46
10u16
R54
330P
+
680
C38
R38
330P
3.6K
43
R40
42
C20
3.6K
0.1
Q24
Q21
RELAY
B.U. +5V
SW
AVR
Q21
D9
D5V
M5V
D10
Q22
Q22
Q
Q
Q21
3
7
DRIVER
Q15
SW +8
AVR 8V
AVR
IE-BUS
SW
Q15
DRIVER
DRIVER
R79
Q17
Q16
3.3K
X3
8/7V
6.29MHz
Q19
22K
Q18
22K
Q11
22K
DRIVER
22K
43
Q19
40
AVR 7V/8V
41
SW
42
u 1 6 3
y
G
H
2
4
8
9
9
Q4
Q1
DRIVER
Q4
C16
33
47u6.3
VOLTAGE
22K
FOLLOWER
34
+
DACTEST0
35
R55
22K
DACTEST1
36
1.2K
LZ
L5
37
GNDAL
AVR
38
38
LO+
5.0V
IC4
39
39
LO-
L3
40
IC10
IN
OUT
VDAL
L4
GND
41
DRIVER
VDAR
42
42
RO-
43
43
RO+
L6
44
GNDAR
45
RZ
46
RESETN
47
DACTEST2
Q2
48
AGND
DRIVER
Q5
X1
C26
C29
16.93MHz
0.1
12P
6
3
1
5
1
5
0
8
9
C1
0.1
Q12
CLOCK
ON/OFF
R142 100K
CP14
R137
5.0V
22
77
OE
100K
100
0V
23
67
A11
0V
24
65
A9
0V
25
64
A8
R136
100
0V
26
74
CE2
R141 100K
R138
100
0V
27
78
WE
R143 100K
5.0V
28
VCC
C73 0.1
1
R135
NC
100
5.0V
2
68
A12
R140 100K
3
55
A7
4
54
A6
5
53
A5
6
52
A4
0V
7
51
A3
m
c o
.
I
J
2
8
9
9
3
C45
1
16
8FS
15
SDAC
14
SGATE
13
SCK
27
12
SDATA
11
P/S
10
NNODR
9
DRON
8
NFRNT
7
NRAMRS
6
LRCKI
34
5
DATAI
30
4
BCKI
32
3
MCKTH
2
1
2
4
9
8
2
9
9
TEXT DATA
IC11
MEMORY
21
5.0V
A10
66
CE1
20
0V
CE1
CP5
100
19
0V
I/O7
63
18
0V
I/O6
62
17
0V
I/O5
61
16
0V
I/O4
60
CP8
100K
15
0V
I/O3
CP6
14
0V
100
VSS
59
13
0V
I/O2
58
12
0V
I/O1
57
11
0V
I/O0
56
2.5V
10
CP7
A0
48
100K
9
A1
49
8
A2
50

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