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Parts List - Kenwood AR-404 Service Manual

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K
www.freeservicemanuals.info
(X05-498X-XX)
C
3.6V
14.4V
Q7
DETECT
BUFFER
W82
L6
C70
8200P
W83
L7
C71
8200P
3.5V
3.4V
Q12
MUTING
DRIVE
2.8V
+15V
C77
100P
100
S1
FM :100kHz 75uS
AM :10kHz
FM :50kHz 50uS
AM :9kHz
CH.SPACE
DE-EMPHASIS
L
AR-404 (X05-4980-11)
DESTINATION
UNIT No.
COUNTRY
ABB.
U.S.A.
K
0-11
CANADA
P
DESTINATION
A1
COUNTRY
ABB.
U.S.A.
K
W02-2622
CANADA
P
KRF-A4030S (X05-4980-23)
DESTINATION
UNIT No.
COUNTRY
ABB.
GENERAL MARKET
M
0-23
AUSTRALIA
X
0-72
EUROPE
E3
2-72
DESTINATION
A1
COUNTRY
ABB.
GENERAL MARKET
M
W02-2622
AUSTRALIA
X
EUROPE
E3
W02-2584
KRF-A4030 (X05-4982-72)
DESTINATION
UNIT No.
A
COUNTRY
ABB.
EUROPE
E1
2-72
DESTINATION
A1
COUNTRY
ABB.
EUROPE
E1
W02-2584
KRF-A4030E (X05-4982-72)
DESTINATION
UNIT No.
A
COUNTRY
ABB.
EUROPE
E2
2-72
DESTINATION
A1
COUNTRY
ABB.
EUROPE
E2
W02-2584
CN1
15
DET
14
S-LEVEL
13
SD
R79 3.3K
12
STEREO
MUTING
0V
11
R
Q10
-2.2V
C83
10
GND
100P
0V
0V
9
L
Q11
8
+15V
R74
+15V
47K
15V
7
-15V
MUTE
-14.9V
ON: 0.7V
0V
OFF: -2.2V
R76
1.8K
MUTE
ON: 2.0V
R77
1K
OFF: 4.6V
6
T. MUTE
4
5
PLL DT
5
4
PLL CLK
3
3
PLL CE
R29
6
2
PLL DO
1
CH.SPACE
AR-404(K,P) (1/3)
KRF-A4020S(M,X,E) (1/3)
KRF-A4030(E) (1/3)
KRF-A4030E(E2) (1/3)
Y05-4040-10
Digitized in Heiloo Netherlands
M
R8,
R15,32
R27,
R29,
R14
R23
R25
A
B
C
F
11
82
28
36
NO
33
100
YES
4.7K
22K
6.2K
NO
W82,
CF1,2
CF3
IC1
L4,5
L6,7
CN2
W56
83
L72-0596
NO
LA1837
YES
NO
YES
NO
YES
(MS2)
R15,
R27,
R8
R11
R14
R23 R25
A
C
F
B
36,82
28
YES
NO
33
33
270
NO
3.3K
18K
7.5K
NO
YES
10
22
100 YES
15K
27K
4.3K
L4,5
W82,
CF1,2
CF3
IC1
CN2
W56
6,7
83
YES
L72-0531 (MA5)
YES LA1838
NO
NO
YES
NO
L72-0536 (MS3)
NO
LA1837
YES YES
NO
R15,
R27,
R8
R11
R14
R23
R25
C
F
B
82
28
YES
NO
10
22
100
YES
15K
27K
4.3K
L4,5,
W82,
CF1,2
CF3
IC1
CN2
W56
6,7
L72-0536 (MS3)
NO
LA1837
YES
YES
NO
NO
R15,
R27,
R8
R11
R14
R23
R25
C
F
B
82
28
YES
NO
10
22
100
YES
15K
27K
4.3K
L4,5,
W82,
CF1,2
CF3
IC1
CN2
W56
6,7
L72-0536 (MS3)
NO
LA1837
YES
YES
NO
NO
CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list).
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.
X09-A/8
-CN7
2/3
A
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 (
measured in the AM mode.
MODE
CARRIER
FREQUENCY
FM
98MHz
AM
1000(999)kHz
AR-404/KRF-A4030/A4030E/A4030-S
N
R72,
C8,70,71,
C30,
C35,82,74,
C25
C26
73
77,79,80
31
89,90
15K
NO
470P
0.022
0.033
YES
S1
E1
NO
F10-1129
R72, C8,35,
C30,
C70,71,
R29
R32
C25
C26
73
89,90
31
31
79,80,82
YES
YES
8.2K
YES
470P
0.022
0.022
NO
W60
3.9K
NO
180P 0.018
YES
S1
E1
YES
F10-1129
NO
F10-1128
R72,
C8,35,74,77
C30,
R29
R32
R36
C25
C26
73
89,90
NO
W60
YES
3.9K
NO
180P
0.018
0.022
S1
E1
83
NO
F10-1128
R72,
C8,35,74,77
C30,
R29
R32
R36
C25
C26
73
89,90
NO
W60
YES
3.9K
NO
180P
0.018 0.022
S1
E1
83
NO
F10-1128
indicates safety critical
MODULATION
DEVIATION
1kHz
STEREO 67.5kHz 7.5kHz(Pilot)
400Hz
MONO 30% MOD
O
12/11/2017
C74
C77
YES
NO
NO
NO
C70,71,
31
79,80,82
YES
C70,71,
31
79,80,82
YES
) is actual reading
ANT INPUT
60dB
60dB

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