Parts List - Kenwood AR-404 Service Manual

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