Parts List - Kenwood AR-404 Service Manual

K
(X05-498X-XX)
QQ
3 7 63 1515 0
C
3.6V
14.4V
Q7
DETECT
BUFFER
TE
L 13942296513
W82
L6
MUTING
C70
8200P
0V
Q10
W83
L7
0V
C71
8200P
3.5V
3.4V
Q12
MUTING
DRIVE 2.8V
+15V
C77 R29
100P 100
S1
FM :100kHz 75uS
www
AM :10kHz
FM :50kHz 50uS
AM :9kHz
CH.SPACE
DE-EMPHASIS
.
L
AR-404 (X05-4980-11)
DESTINATION
UNIT No.
A B
COUNTRY ABB.
U.S.A. K
0-11
CANADA P
DESTINATION
A1 CF1,2
COUNTRY ABB.
U.S.A. K
L72-0596
W02-2622
(MS2)
CANADA P
KRF-A4030S (X05-4980-23)
DESTINATION
UNIT No.
A C
COUNTRY ABB.
GENERAL MARKET M 0-23
NO
AUSTRALIA X 0-72
EUROPE E3 2-72 YES
DESTINATION
A1
COUNTRY ABB.
GENERAL MARKET M
W02-2622 L72-0531 (MA5)
AUSTRALIA X
L72-0536 (MS3)
EUROPE E3 W02-2584
KRF-A4030 (X05-4982-72)
DESTINATION
UNIT No.
A C
COUNTRY ABB.
EUROPE E1 2-72 YES
DESTINATION
A1
COUNTRY ABB.
EUROPE E1 W02-2584 L72-0536 (MS3)
KRF-A4030E (X05-4982-72)
DESTINATION
UNIT No.
A C
COUNTRY ABB.
EUROPE E2 2-72 YES
DESTINATION
A1
COUNTRY ABB.
EUROPE E2 W02-2584 L72-0536 (MS3)
CN1
15 DET
14 S-LEVEL
13 SD
R79 3.3K
12 STEREO
11 R
-2.2V
C83
10 GND
100P
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
6 2 PLL DO
1 CH.SPACE
x ao
AR-404(K,P) (1/3)
y
KRF-A4020S(M,X,E) (1/3)
KRF-A4030(E) (1/3)
i
KRF-A4030E(E2) (1/3)
Y05-4040-10
M
R8, R15,32 R27, R29, R72,
R14 R23 R25 8
C F
11 82 28 36 73
NO 33 100 YES 4.7K 22K 6.2K NO 15K
W82,
CF3 IC1 L4,5 L6,7 CN2 W56 S1
83
NO LA1837 YES NO YES NO YES NO
R15, R27,
R8 R11 R14 R23 R25 R29
F B
36,82 28
YES YES
33 33 270 NO 3.3K 18K 7.5K
NO NO
10 22 100 YES 15K 27K 4.3K
L4,5 W82,
CF1,2 CF3 IC1 CN2 W56
6,7 83
YES YES
YES LA1838 NO NO YES
NO
NO LA1837 YES YES NO
R15, R27,
R8 R11 R14 R23 R25 R29
F B
82 28
NO 10 22 100 YES 15K 27K 4.3K NO
L4,5, W82,
CF1,2 CF3 IC1 CN2 W56
6,7 83
NO LA1837 YES YES NO NO
R15, R27,
R8 R11 R14 R23 R25 R29
F B
82 28
NO 10 22 100 YES 15K 27K 4.3K NO
L4,5, W82,
CF1,2 CF3 IC1 CN2 W56
6,7 83
NO LA1837 YES YES NO NO
Q Q
3 6 7 1 3
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 1kHz
AM 1000(999)kHz 400Hz
u163
.
AR-404/KRF-A4030/A4030E/A4030-S
N
C8,70,71, C30, C35,82,74,
2 9 9 4 2 8
C25 C26
77,79,80 31 89,90
NO 470P 0.022 0.033 YES
E1
F10-1129
R72, C8,35, C30, C70,71,
R32 C25 C26
73 89,90 31 31 79,80,82
YES 8.2K YES 470P 0.022 NO
0.022
W60 3.9K NO 180P 0.018 YES
S1 E1
F10-1129
NO
F10-1128
R72, C8,35,74,77 C30,
R32 R36 C25 C26
73 89,90 31
W60 YES 3.9K NO 180P 0.018 0.022
S1 E1
NO F10-1128
R72, C8,35,74,77 C30,
R32 R36 C25 C26
73 31
89,90
W60 YES 3.9K NO 180P 0.018 0.022
S1 E1
NO F10-1128
1 5 0 5 8 2 9 9 4
indicates safety critical
) is actual reading
MODULATION
DEVIATION
STEREO 67.5kHz 7.5kHz(Pilot)
MONO 30% MOD
m
co
O
9 9
C74 C77
YES
NO
NO
C70,71,
79,80,82
YES
C70,71,
79,80,82
YES
2 8 9 9
ANT INPUT
60dB
60dB