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A
B
AUDIO UNIT (X09-5250-10) (A/3)
(X09-) (B/3)
Q Q
RCA INPUT
3 7 6 3 1 5 1 5 0
J1
1
E1
CN1
R1
C3
820
10u16
Lch 1
1
1
+
2
2
3
3
Rch 2
4
4
WH1
2
R2
C4
(X09-) (C/3)
820
10u16
SPEAKER LEVEL INPUT
+
J2
E2
CN2
L
1
1
1
L
2
2
2
R
3
3
3
3
R
4
4
4
WH2
R73
470 2W
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
+
C31
47u25
D5
0.1V
0V
23.4V
IC3
R61
(1/2)
4.7K
0V
5
8
7
6
Q1
R63
3.3K
0V
C27 12P
0V
R67 47K
-6.2V
C29 8P
5
+
+
0V
C30 8P
-6.2V
R68 47K
R64
6
3.3K
C28 12P
Q2
0V
0V
2
R62
1
4.7K
0V
3
w w w
0.1V
4
IC3
(2/2)
D6
-23.4V
C32
47u25
29.6V
+
7
R74
470 2W
C
D
ISOLATION AMP.
IC1(1/4)
IC1(3/4)
0V
17.1V
0V
3
R9
R15
R39
1
2.2K
150
2.2K
5
4
0V
2
7
6
INPUT
0V
R5 3.9K
SENSITIVITY
R41
R11
R17
2.2K
R45 36K
2.2K
150
0V
R150
S1
1K
ST/L
MONO
C60
1000P
VR1
5K(A)
0V
R12
R18
R42
2.2K
150
2.2K
R46 36K
R6 3.9K
0V
9
R10
R16
R40
0V
13
8
2.2K
150
2.2K
14
10
0V
12
11
-17.1V
0V
0V
IC1(2/4)
IC1(4/4)
C9 2.2u50
R19 22K
+
C11 2.2u50
R21 22K
+
C12 2.2u50
R22 22K
+
C10 2.2u50
R20 22K
+
30.2V
29.6V
30.8V
1.2V
R85
Q3
30.8V
100
Q9
Q7
1.2V
Q13
3.6V
0.8V
0.6V
0V
Q17
IDLE
R95
ADJ.
10K
0.1V
C41
0V
4.7u50
0V
+
+
0V
CN3
-1.2V
-29.6V
1
Q11
R87
Q5
2
100
Q15
-0.6V
-1.2V
IDLE
-30.8V
ADJ.
-30.2V
-30.8V
-30.2V
R88
Q6
Q12
100
Q16
-1.2V
-1.2V
-29.6V
0V
-0.6V
C42
+
4.7u50
+
0V
0.1V
IDLE
R96
10K
ADJ.
x
a o
0V
0.8V
0.6V
Q18
0V
Q10
R86
Q14
Q8
3.6V
100
.
i
1.2V
1.2V
30.8V
Q4
1.2V
30.2V
E
F
0V
LPF
L.P.F.
OFF/ON
0V
R49 4.7K
17.1V
17.2V
-0.2V
0V
R50 4.7K
5
8
R54
R55
R56
7
R53
27K
27K
1K
0V
6
27K
S2
Q20
C17
IC2(1/2)
22u16
-0.8V
+
R52 4.7K
0V
3
0V
2
Q
Q
3
7
D33
R130
6.8K
Q26
+
10.0V
R123
-6.2V
1.5K
R124
10.0V
680K
C56
R116
1u50
10K
+
C57
1000P
9.9V
R129
+
16K
0.2V
C58
Q24
1u50
+
0V
D27
DC/DC
AC 31.2V
14.4V
D25
CONVERTER
5.0V
30.8V
R107
AC 31.2V
56
L2
14.4V
+
Q21
AC 31.2V
u 1 6 3
0V
y
C54
0V
2200u16
AC 31.2V
+
+
14.4V
5.0V
R108
56
AC 31.2V
D28
14.4V
Q22
D26
AC 31.2V
-30.8V
G
H
IC1
: UPC4574C
2
4
8
9
9
IC2
: NJM4565D
IC3
: M5219P
IC4
: UPC494C
C19
22u16
Q1,2,5,6,17,18,20,23,24
+
2SC945(A)(Q,P)
Q3,4,25,26
: 2SA733(A)(Q,P)
Q7,8
: 2SC945(A)(Q)
Q9,10
: 2SC1627A
Q11,12
: 2SA817A
Q13,14
: 2SC5099LB
5(P)
Q15,16
: 2SA1907LB
5(P)
Q21,22
:
IRFIZ44N
D1-4,11-24,27,28,31-33
: 1SS133
0V
IC2(2/2)
D5,6
: RD22JS(B)
C20
D7-10
: RD8.2JS(B)
22u16
1
A
D25
: FMU22S
+
D26
: FMU22R
A
4
R60
D29
: B30-1460-05
10K
D30
: 1N5406-M
D34
: RD7.5JS(B)
-17.1V
D35
: RD10JS(B)
SIGNAL LINE
GND LINE
B LINE
B LINE
6
3
1
5
1
5
0
8
9
1
Lch+
C43
0.047
R101
10 1/2W
2
Lch-
C44
SP.OUT
0.047
R102
10 1/2W
3
Rch-
4
Rch+
IC4
OSCILLATOR
ERROR
2.5V
1
16
0V
AMP
3.7V
2
15
5.1V
0.1V
3
14
5.1V
0.7V
4
13
5.1V
12
14.2V
1.7V
5
3.8V
6
11
14.2V
0V
7
10
5.0V
9
5.0V
14.2V
8
L1
Q25
14.4V
F1(15A)
(FO5-1537-05)
m
14.2V
13.6V
J3
c o
1
BATT
(14.4V)
0V
R111
2
GND
Q23
D34
3.3K
.
3
P CON
(14.4V)
0V
0.7V
I
J
2
8
9
9
2SA733 (A)
2SA817A
2SC1627A
B
2SC945 (A)
C
E
NJM4565D
UPC4574C
M5219P
UPC494C
2
4
9
8
2
9
9
CAUTION : For continued safety, replace safety critical
components only with manufacturer's recommended
parts (refer to parts list).
Indicates safety critical components. To reduce the
!
risk of electric shock, leakage-current or resistance mea-
surements shall be carried out (exposed parts are ac-
ceptably insulated from the supply circuit) before the
appliance is returned to the customer.
• DC voltages are as measured with a high impedance
voltmeter. Values may vary slightly due to variations
between individual instruments or/and units.
KAC-529S
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