Kenwood A4030-S, Service Manual

Page: 10 / 22

3.9K
R37
R36
100 R35
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
DET
S-LEVEL
SD
STEREO
R
GND
L
+15V
-15V
T. MUTE
PLL DT
PLL CLK
PLL CE
PLL DO
CH.SPACE
L6
W82
8200P
C70
L7
C71
8200P
W83
820
8.2K R75
1K
1.8K
R76
R78
R77
47K
R74
C83
100P
6
3
5
4
R72
R73
100P
C77
100
R29
R79 3.3K
UNIT No.
0-11
CANADA
DESTINATION
COUNTRY
U.S.A.
ABB.
K
P
R15,32
82
YES 6.2K
A C F B
NO
R27,
28
R14
100 4.7K
R23
22K
R25
33
R8,
11
15K
R72,
73 77,79,80
NO
C8,70,71,
89,90
YES
C35,82,74,
470P
C25
0.022
C26
C30,
0.033
31
YES
COUNTRY ABB.
CANADA
U.S.A. K
P
DESTINATION
LA1837
IC1
YES
CN2
F10-1129
E1 A1
W02-2622
CF1,2
L72-0596
CF3
NO
W56
NO YES
83
W82,
S1
NO
0-23 GENERAL MARKET M
UNIT No.
DESTINATION
COUNTRY ABB.
R27,
C B A
36,82
R15,
F
R14
28
R23 R25
73
R72, C8,35,
31
C26 C25
C30, C70,71,
YES
33
YES
0.022
GENERAL MARKET
COUNTRY ABB.
M
DESTINATION
L72-0531 (MA5)
CF1,2 A1
W02-2622
L4,5
6,7
IC1 CF3 W56 CN2
YES
83
W82,
E1 S1
F10-1129
(MS2)
L4,5
NO
L6,7
NO
R8
89,90
L72-0536 (MS3) NO F10-1128
W02-2584
2-72
UNIT No.
DESTINATION
EUROPE
EUROPE
COUNTRY
COUNTRY
DESTINATION
E1
ABB.
E1
ABB.
100
R14
L72-0536 (MS3)
A1 CF1,2
A
YES
F C
NO
CF3
LA1837
IC1
R8
10 NO
B
22
R11
R27, R15,
NO
15K
R23
83
W82,
YES
CN2
YES
L4,5,
6,7
W56
NO
NO
R29
YES
82
R36
YES
F10-1128 NO
S1 E1
4.3K 27K
R25
W60
R32
28
C8,35,74,77 C30, R72,
89,90
3.9K
73
NO
C26
0.018
C25
180P 0.022
31
C70,71,
YES
79,80,82
AUSTRALIA
EUROPE
X
E3
0-72
2-72
NO
YES 10
270
100 YES
NO 3.3K
15K
NO
27K
18K
4.3K
7.5K
R32 R29
NO
YES
W60
8.2K
3.9K
C77
YES
YES
NO
NO
470P
180P 0.018
0.022
C74
31 79,80,82
NO
YES
NO
AUSTRALIA
EUROPE
X
E3 W02-2584
YES LA1838
LA1837
NO
YES YES
NO
NO
YES
NO
YES
NO
W02-2584
2-72
UNIT No.
COUNTRY ABB.
EUROPE
EUROPE
COUNTRY
DESTINATION
E2
ABB.
E2
DESTINATION
28 82
100
L72-0536 (MS3)
A1 CF1,2
YES
CF3 IC1
NO LA1837
10 NO 22
NO
83
4.3K
W82,
CN2
6,7
W56
YES YES NO
15K YES
L4,5,
27K
S1 E1
F10-1128 NO
W60 NO YES
R14
A F C
R8
B
R11
R27,
R23
R15,
R25 R32 R29 R36
89,90 31 73
180P 3.9K NO 0.018 0.022
C25
C8,35,74,77 R72,
C26
C30,
R29,
36
R11
33
22
C70,71,
79,80,82
YES
1K
+15V
+15V
+15V
+15V
+15V
15V
+15V
DETECT
BUFFER
Q7
C
MUTING
CN1
D9
Q10
Q11
Q12
DRIVE
MUTING
S1
CH.SPACE
DE-EMPHASIS
FM :100kHz 75uS
AM :10kHz
AM :9kHz
FM :50kHz 50uS
AR-404 (X05-4980-11)
KRF-A4030S (X05-4980-23)
-CN7
X09-A/8
2/3
KRF-A4030 (X05-4982-72)
KRF-A4030E (X05-4982-72)
(X05-498X-XX)
A
KRF-A4030(E) (1/3)
KRF-A4020S(M,X,E) (1/3)
AR-404(K,P) (1/3)
KRF-A4030E(E2) (1/3)
3.6V
14.4V
-2.2V
0V
0V
0V
3.4V
3.5V
2.8V
0V
OFF: -2.2V
ON: 0.7V
MUTE
OFF: 4.6V
ON: 2.0V
MUTE
-14.9V
K M O L N
AR-404/KRF-A4030/A4030E/A4030-S
Y05-4040-10
CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list).
indicates safety critical
components. For continued protection against risk of fire, replace only with same
type and rating fuse(s). To reduce 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.
MODE CARRIER
MODULATION
ANT INPUT
FREQUENCY DEVIATION
FM 98MHz 1kHz STEREO 67.5kHz 7.5kHz(Pilot) 60dB
AM 1000(999)kHz 400Hz MONO 30% MOD 60dB
The DC voltage is an actual reading measured with a high impedance type
voltmeter as the AM/FM signal generator is specified to the conditions as shown in
the list below. The measurement value may vary depending on the measuring
instruments used or on the product. The value shown in ( ) is actual reading
measured in the AM mode.
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