Kenwood AR-404 Service Manual page 13

AJ AK
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DISPLAY UNIT (X09-641X-XX) (B/9)
ED51
10G 9G 8G
1
P2 P3
P1 P4 P15 P15
SP. A B MUTE
TA NEWS
P5
P6 P7
R D S EON FM
P8
TI.VOL AM
P11
P9
S.DIRECT MW
P12
P10
TAPE2/MONI LW
P13
2
-25.3V
+B +B
81
CURRENT
BUFFER
4.9V
Q501
-28.0V R516
2
80
-28.0V 1K
79
78
3
76
75
74
D522
78
D510
76
D503 D505
1.9V
Q502
1.8V
65
2.3V
MEMORY BALANCE
D513
S515 S514
4
74
AUTO SOUND MONITOR
D512
S510 S502 S506 R505 10K
75
R506 10K
R507 10K
BAND S.DIRECT
R508 4.7K
D520
S504 S503
81 R510 4.7K
RDS DISP DIMMER
or or
P.CALL UP PTY SP.B
D521
S513 S505 S501
80
TA/NEWS
5 or
P.CALL
DOWN SP.A
D519
S511 S512
79
30V 30V
6
1
CN9
X09-A/8
-CN8
2/3
B
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
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
7
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.
AL AM
7G 6G 5G 4G 3G 2G
P15 P15 P15
TP PTY MEMO P15
col
P16
Dp
-25.3V
+B
+B
-17.5V
-17.5V 80
P5/KS1
-30.5V 79
P4/KS2
-30.5V 78
P3/KS3
-27.0V 77
P2/KS4
-14.1V 76
P1/KS5
-24.1V 75
KS6
-18.9V 74 RDS DATA
KS7
73
S.W MUTE
72
0V (VOL) ENC1 CW1
LIMITER
71
70
(VOL) ENC1
69
68
67
STANDBY: 3.9V
66
R585
330
65
IC51
STANDBY
C542 330P
u-COM
PROTECTION
4.6V 64
64 POWER
(BOTTOM VIEW)
63
62 SP.A: 4.6V
61
61 RELAY B
60
60 RELAY A
59
SP.B: 4.6V
58
(SEL) ENC2 CW2
57
0V 56
VOL STB
(MLT) ENC3 CW3
0V 55
VOL CLK
4.6V 54
VOL DT
2.7V 53
10dB ATT
52
51
A MUTE
ON: 2.0V
OFF: 4.6V
50
R169
49
C540 1M
10u16
48
+
47
46
C545
100P
X501
C502
8MHz
0.01
+B
30V 30V
W123
-31.0V
5.5V
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
AN AO
AR-404 (X09-6410-10)
DESTINATION
R503, R504, C503,508,
UNIT No. D
509,583 534,542,549
COUNTRY ABB. 556
U.S.A. K
0-10 NO YES NO NO
CANADA P
KRF-A4030E (X09-6412-71)
1G
DESTINATION R503,504, C503,508,
UNIT No. D
R509
COUNTRY ABB. 556,583 534,542,549
P11
EUROPE E2 2-71 YES NO YES YES
STEREO
TUNED KRF-A4030 (X09-6412-71)
P12
DESTINATION R503,504, C503,508,
UNIT No.
D R509
AUTO 556,583 534,542,549
P13 COUNTRY ABB.
EUROPE E1 2-71 YES NO YES YES
MHz
P14
KRF-A4020-S (X09-641X-XX)
kHz
P15
DESTINATION R503, R504, C503
UNIT No. D R509
549
COUNTRY ABB. 556 583
GENERAL MARKET M 0-21 YES
NO YES NO NO
AUSTRALIA X 0-71
NO
EUROPE E3 2-71 YES NO YES YES
35
+B
+B
R553
10K
R554
1 -28.0V
10K
G9
2
R555
G10
10K
3
NC +B +B
4 4.6V
RDS CLK 4
5 4.6V
5
6
NC +B +B
7 0V
8 4.8V
REM IN
9 0V
CCW1
10
NC C529
11
NC
R542 470
12 0V
KR0
13 1.0V R543 470
KR1
14 R544 470
0V
KR2
15 0V
16
0V
S DATA 16
17 0V
S BUSY 17
18 4.8V
E2 DATA
19
E2 CLK
20 4.8V
20
21 4.8V
CCW2 21
22 4.8V
22
23 4.8V
CCW3 23
24 R527 10K
8/16
25 R518 10K
0V
26 4.8V R517 10K
R547 100K
27 R523 10K
4.5V
D511
R549 330
D524
28 17
AV REF
R550 100K
29
16
S LEVEL
R519 10K D517 R551
30
330
R520 10K
+B +B
R522 10K
C539 C538 D528
+B
100P
100P
RESET IC
+
5.1V
5.1V
IC53
+B +B
C517
1u50
IN OUT
26
C503
+
GND
1000P
+B +B
D526
D530
+5.6V +B +B
+5.6V +5.6V
AR-404(K,P) (3/3)
KRF-A4030(M,X,E) (3/3)
KRF-A4030E(E2) (3/3)
KRF-A4030E-S(E) (3/3)
indicates
Digitized in Heiloo Netherlands
AP AQ
W110,111 D503-505,
C521 C529 C541 S505 S511 S513 Q502 IC51
507,510,525
114,115
P.CALL P.CALL
100P 150P YES YES DIMMER NO NO CXP82832-162Q
W110,111 D503, D505,
Q502
C521 C529 C541 S505 S511 S513 IC51
114,115 504,507 510,525
TA/ (RDS)
220P 47P NO NO PTY NO YES NO CXP82840-163Q
NEWS DISPLAY
D503, D505,
W110,111
C521 C529 C541 S505 S511 S513 Q502 IC51
504,507 510,525
114,115
TA/ (RDS)
CXP82840-163Q
220P 47P NO NO PTY NO YES NO
NEWS DISPLAY
W110,111 D505,
C508 C521 C529 C534 C541 S505 S511 S513 D503 D504 D507 D510
C542
114,115 525
YES 100P YES P.CALL P.CALL YES NO
100P YES DIMMER NO
NO YES
YES NO NO YES
NO 47P TA/ (RDS) NO
220P YES NO PTY NO YES
NEWS DISPLAY
(X09- ) (I/9)
WH53 CN21 S516
7 3 3
9 2 2
1 1
(P6)
VOL
+B
(X09- ) (C/9)
E502 S508
WH52
(P10)
1 1
79
2 2
3 3
POWER
D527
4 4
I/
65
ON/STANDBY
E501
STANDBY
A501
R541
100 4.8V 1
ROUT
2
GND
4.9V 3
VCC
R563 R561
220 220
7 20 22
REMOTE
R559
R558 220
220
21 23
9
S517
SEL
+5.6V
4
IC54
RDS
D
DEMODULATOR
RDCL
R569 47K 1
E2PROM
QUAL
T57
R564 220 2
IC52
RDDA
C516 2.2u50 OSCO
2.4V 3
5 4
VREF
SDA VSS
+
L501
6 3 C510
1uH
SCL A2 330P 4
C506 MUX
7 2
OSCI
CPE A1 5
1000P 1 +B VDDA
A0 VDD0
8 6
+B VCC VSSA
VSSD
2.4V 7
CIN TEST
+ C515
4.9V 8
SCOUT MODE
L502
560P
2.4V
10uH
+B
D523
D509
IC51
IC52
IC53
+B
IC54
Q501,503
C534
0.047F
Q502
5.5
+
4.6V
C541
470u10
Q503
D503-505,508-513,515-525,
+ R574
528-530
+
1K
RESET
D526
D527
(X09- ) (G/9)
R107 WH51 CN10
390 2W HP. L
1 1 1
R108
HP. R
2 2 2
390 2W
+B
GND
+5.6V 3 3 3
1
35
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring instruments used or on the product.
AR-404/KRF-A4030/A4030E/A4030-S
Y05-4040-10
AR AS
12/11/2017
DIGITAL LINE
SIGNAL LINE
GND LINE
B LINE
+B
B B LINE
Q502 IC51
YES
CXP82832-162Q
NO
CXP82840-163Q
(P1)
(P3)
a
(P2) (P4)
(P5)
f h j b
k
g
m
(P8) (P7)
e p n c (P9)
r
(P11) (P13)
d
(P12)
(P14)
(9G-2G)
MULTI
R562
220
R560
220
S518
16 2.4V R578 220
15
R580 C527
14 2.4V 2.2K 47P
X502
4.332MHz
C528
18P
13 2.4V
12 C524
+B
0.01
11
10
9
:
: BR24CO2
: S-806D-Z
: SAA6579/R
: 2SC1740S(Q,R) or
2SC3311A(Q,R)
: 2SA933AS(Q,R) or
2SA1309A(Q,R)
: HSS104A or
1SS133
: MTZJ5.1(B) or
HZS5.1N(B2)
: B30-2513-05
HEADPHONE
J7
P3
E1