Parts List - Kenwood AR-404 Service Manual

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