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Kenwood CS-434HU Service Manual page 6

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A
B
(X25-9460-10) (A/3)
1
(X25- )
(B/3)
J1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN1
CN2
R502
ILL CONT
14
14
14
R501
ILL
13
13
13
2
Lch+
12
12
Lch-
11
11
11
Rch-
10
10
10
Rch+
9
9
9
BUS-
8
8
8
BUS+
7
7
7
L501
SYS ACC
6
6
6
F501
BU 14V
5
5
BU 14V
4
4
GND
3
3
GND
2
2
GND
1
1
3
14
13
12 11
10 9 8
7
6
5 4 3
2 1
J2
PIN LAYOUT (J1,J2)
13
11
7
5
3
1
14
12
10
9
8
6
4
2
IC1
:
703034AYGF-M01
IC2
:
S-80841ANNP
IC3
:
SI-8033JF-1103
IC21
:
NJM2060D
IC22
:
BU4066BC
4
IC30
:
HA12187FP
D101,201,203
:
MA4068(N)-M
D103
:
1SR139-400
D104
:
HZS7A1L
D111
:
HZS9A1L
D112
:
AK04
D113
:
MA4130-L
D141
:
HZS9B1L
D151,204
:
1SS133
D152,153
:
MA4062-L
D202
: DAP202U
D205-208
:
DA204U
D300
:
B30-1661-05
D501
:
AM01Z
Q2
:
DTB123YK
Q4
:
DTC114YUA
Q6
:
DTC114EUA
5
Q101,103,109112,113,142
:
2SC3052
Q102
:
2SA2057
Q104
:
2SD2375
Q105,115
:
UMC2N
Q106
:
DTC124EUA
Q107,110,111,141
:
2SB1443
Q108
:
2SC4081(S)
Q114
:
DTA144EUA
Q143
:
DTA114EUA
Q151,203
:
2SA1530A
Q201,202
:
DTC343TK
Q501
:
DTC144EUA
6
CAUTION : For continued safety, replace safety
critical components only with manufacturer's
recommended parts (refer to parts list).
Indicates safety critical components. To re-
!
duce the risk of electric shock, leakage-current
or resistance measurements shall be carried
out (exposed parts are acceptably insulated
from the supply circuit) before the appliance is
returned to the customer.
• DC voltages are as measured with a high
7
impedance voltmeter. Values may vary
slightly due to variations between individual
instruments or/and units.
C
D
C211
R223
10u16
220
+
Lch+
C210
R220
10u16
220
Q501
L-
+
R219
D207
D208
SW
22K
47K
Lch-
1
47K
C209
R218
10u16
220
2
R503
R+
22K
22K
+
3
Rch+
C501
470
0.022
C208
R215
10u16
220
4
R-
+
5
D205
D206
8V
L-
Rch-
0V
6
R-
0V
7
R+
8
7
6
IC21
7
6
5
8.0V
4
VCC
3
2
C207
1
0.1
C206
Rch
0.1
MUTE
Q141
PON(A) AVR
Q142
Q143
R144
1.5K
13.2V
0V
R105
22
Q106
1/2W
BU5V
R106
Q102
D103
22
1/2W
Q103
R107
15K
SERVO +B
Q104
R111
Q105
1K
2
4
6
8
CN3
1
3
5
7
E
F
0V
IC22
14
8.0V
VCC
81
13
8V
82
12
0V
83
11
84
85
10
86
87
9
88
89
8
VSS
R27 47K
R25 1K
0V
90
ILL DET
R32 47K
5.0V
91
DISC EJ
R31 2.2K
R23 1K
5.0V
92
SYS ACC
R18 100K
(BOTTOM
R24
VIEW)
R22 47K
1K
0V
93
BU DET
8
94
95
96
9
5.0V
97
10
DI
SDA
0V
98
11
0V
DO
5.0V
VSS
99
R206
CLK
SCK
12
4.7K
5.0V
100
MUTE
13
Q101
BU DET
R103
14
18K
Lch
C101
0.1
R202
R203
22K
22K
Q201
Q202
D201
D203
D202
D204
SYS ACC
Q203
R207
R152
Q151
D151
6.8K
18K
6
CD4.7V
IC3
Q4
2
4.9V
10K
1
SWOUT
VIN
L100
47K
R119
3
1.2K
GND
4
3.3V
VOS
Q114
5
R110
R109
ON/OFF
120
150
2.38V
1
10
12
14
16
18
20
22
24
9
11
13
15
17
19
21
23
to CD MECHA
X92-4590-03
(DXM-6513W)
G
H
Q6
10K
0V
10K
0V
0V
IC1
12.58kHz
SYSTEM
2.2V
u-COM
12.58kHz
3V
31ms
5V
5.0V
31ms
5V
0V
C8
0.01
BUS INTERFACE
IC30
R156
2.5V
100
5
4
0V
8
BUS-
GND
3
DIN
R155
2.5V
6
2
7
BUS+
DOUT
26
100
1
5.0V
7
DIN
27
VCC
8
5V
STBY
0V
5V
0V
33
R113
1
1/2W
ILL +B
Q107
Q115
R120
Q109
2K
30
13
D113
Q111
Q110
Q108
14
Q113
Q112
6
5
4
3
2
1
CN4
CN5
6
5
4
3
2
1
(X25- )
(C/3)
I
J
DTA144EUA
DTB123YK
DTC114YUA
DTC343TK
UN5111
UN5211
UN5213
UN5214
50
49
48
47
PON(D) SW
46
Q2
45
2SB1443
2.2K
44
43
10K
PUN(D)
42
41
5.0V
VDD
40
0V
VSS
X1 12.58MHz
39
X1
38
2SC4081
X2
C2
1u50
37
3.0V
REGC
+
36
XT2
R14 1K
35
0V
XT1
C1
RESET
0.1
34
RESET
R35
33
2.2K
DTA114EUA
SYS ON
32
DTC114EUA
31
DTC124EUA
DTC144EUA
W1
5V
0V
IC2
UMC2N
0V
RESET
BU4066BC
DAP202U
DA204U
MA142WA
UN5212
HA12187FP
CS-434HU/HC

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