Kenwood AR-404 Service Manual page 12

U V W
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R139
1K
8
R181
9
1K
+5.6V
30V
15V
C37
+
C38
+
15V
+15V +15V
14.7V
C134
1000P
R182
D4
1.2K
1/4W
-14.9V
Q46 -8.2V
C120
-7V 10u35
AVR
C29 Q46
0.01
C39
100P
0V
41
+15V
42
C131
43 0V 4700P
TONE
PASS 44
BVOL
SELECT
1 0 45
T 150K
N 46
S
47 0V C129 0.82
12K
48 0V
150K
49 0V C127 5600P
50
51
52
53
12K 54 0V C33 3.3u50
55
56
15V
57
SURROUND
58
BLOCK
59
R39 12K 5.6V AVR
60 0V
61 R168
Q38
INPUT 1 1/4W
62 R83 220K
63 0V R37 13K
5.5V R170
100
64 R49 6.8K
R73 39K 6.1V
+
0V +
7V
+15V
15V
X Y Z
56.5V
1.3V 47 1/4W
Q15
57.0V
+
Lch A CLASS
+ R153
10K
Q9
+B R61 R159
0.6V
47K
C125 12.8V
C53 Q25,26
2P
100P
FINAL
+ COMPENSATING
R43 R175 C43 R55
Q7
2.7K C27 1K 2.2u50 100 Q11
-56.0V
+ +
-1.3V
-55.6V Q13 R53
A MUTE 0V
ON: 2.1V
OFF: -2.8V
C59 47P
R45 R47
1K 2.2K
Q3 Q5
10dB ATT A MUTE
C56
100P
Q4 Q6
R46 R48
1K 2.2K
C60 47P
-1.3V
Q14 R54
-55.6V -56.0V
Q12
R44 R176 C44 R56 C54
+
2.7K C28 1K 2.2u50 100 2P
+ + C126 12.8V
Q8
0V
R62 R160
100P
Q34 47K
R154
+15V +B
Q10
10K
14.7V
13.9V 0.6V
14.5V
Rch A CLASS
+
POWER ON: 14.5V 57.0V
R165
100 Q35 R173
56.5V
22K Q16 47 1/4W
1.3V
C87 10u100
STANDBY: 0.6V
+
C88 47u100
+ + +
+
-31.0V R117
30V B B B B
4.7 1/4W
-58.3V +B
Q36
-30V AVR
+B +B
R115
-31.6V 1K
-58.3V
58.3V
R164 R163
51K 51K
D22
C97 C96
+ +
+ +
C111
0.22
14.7V
Q39
D26
+B +B
+15V D25
15.2V AVR
+
D24
R122
Q40
10K C99
+
D27 0.01
Q41 15.72V
+
W200
14.0V
4
R123
D18 D23 W199
220 R124 5
1K
+
-0.6V
R127
Q44
2.2K
F2
+
Q47
CN13 CN14
+
-15.4V
F1
-15V +
-14.9V
AVR
Q42
CN15 CN16
POWER
B B K1 ON: 0.7V
-22.4V
R109
D514 100 D14
D17
+B +B +B
10.8V J8
Q37
T1
POWER
W W RELAY
+ + AC IN
D19 SW CN1
COLD
2
W4 HOT
1
R114
3.3M
1/2W P1
AA AB AC
+B
Q19
3
R75 58.3V
1 IDLE CN11
CONT. Lch
4
2
2
Q27,28
IDLING
1
OVER
(Lch)
5
Lch B CLASS CURRENT 58.0V
DETECTOR R101 R150
D31
470
0V
1K Q25 R85 R93
Q27
910 3.9K
1/4W
-1.6V
Q21 1
4
2
R81
L1
47 1/4W 5
SP.A or
A+B R103
R99
:0.7V 4.7K
10 1/4W K2
0.9V
3
R104
W169 A SP
Q1 47K
SW
W65
Q29
LIMITER SW -58.3V
SP.B or
(SP, A+B)
A+B R105
4.7K
K3 :0.7V
Q2 W170
R106
B SP
47K
0.9V Q22 3 R100 SW
10 1/4W
R82 Q30
L2
47 1/4W 5
2
4
1
-1.6V
R86 R94
Q26
910 3.9K
1/4W
1K 0V Q28
CN12
Q20 Rch
5 Rch B CLASS
IDLING
(Rch) 2
IDLE
2
1 CONT.
4
C100 R131
R76
4.7u35 10K
1
58.0V
Q33
3 R130
47K
SP.DC
DETECTOR
58.3V 0V +
Q32
58.3V
R129
B Q31
12K
58.0V
+B +B
+B +B
E2
15
14
13
12
11
WH4
10
9
8
(X09- ) (H/9) A
7
6 (X09- ) (D/9)
5
S3
E3
4 6
15
3 5 CN6
14
WHT
2 4
5
13
BLU
1
4
S2 12
YEL
3 3
11
WH2
10
6
9
5
BRN
2 8
4
RED
2 1 7
1 6
3
F5
5
CN20 CN19
4
2
F4
3
1
CN5 CN4
2
1
(X09- ) (E/9)
CN2
B
WH1
2 2
WH3
1 1
2
1
(X09- ) (F/9)
C
(K,P) : AC120V 60Hz
S1
(M) : AC110-120V/
DIGITAL LINE
220-240V~
2 SIGNAL LINE
50/60Hz
1 GND LINE
(X) : AC240V~ 50Hz
: AC230V~ 50Hz +B B LINE
(E) POWER SW
B LINE
B
Digitized in Heiloo Netherlands
AD AE AF
X09-B/8
-CN9
AR-404 (X09-6410-10)
DESTINATION R41, R53, R65,66, R71, R99, R114, R151, C1,2,17-26,31,32,
3/3 UNIT No.
COUNTRY ABB. 42 54 205,206 72 100 209 152 71-74,67,68,135,136
U.S.A. K
0-10 100K 200 8.2K 220 NO YES 20K NO
CANADA P
B
DESTINATION
D33,34 D35,36 D39,40 Q1,2 Q11-14 Q15,16
COUNTRY ABB.
U.S.A. K MTZJ13(B) or MTZJ18(B) or
YES YES 2SC2631(R,S) 2SA1123(R,S)
HZS13N(B2) HZS18N(B2)
CANADA P
J4
R149
1K 100 KRF-A4030S (X09-641X-XX)
SUB DESTINATION R41, R53, R65,66, R71, R99, R151, C1,2,17-26,31,32,
UNIT No. R114 R209
42 54 205,206 72 100 152 71-74,135,136
WOOFER COUNTRY ABB.
GENENAL MARKET M 0-21 NO
100K 200 8.2K 220 NO 20K
AUSTRALIA X 0-71 NO
YES
EUROPE E 2-71 22K 270 6.8K 150 YES 15K
DESTINATION
J5 D33,34 D35,36 D39,40 Q1,2 Q11-14 Q15,16
COUNTRY ABB.
GENENAL MARKET M MTZJ13(B) or MTZJ18(B) or
2SC2631(R,S) 2SA1123(R,S)
YES YES
AUSTRALIA X HZS13N(B2) HZS18N(B2)
C71 1 L
4700P MTZJ15(B) or MTZJ20(B) or
EUROPE E3 NO NO 2SC1845(F,E) 2SA992(F,E)
HZS15N(B2) HZS20N(B2)
23
FRONT
C72 SPEAKERS A
4700P KRF-A4030 (X09-6412-71)
DESTINATION R41, R53, R65,66, R71, R99,100, R151, C1,2,17-26,31,32,67,68,
3 R UNIT No. R114
COUNTRY ABB. 42 54 205,206 72 209 152 71-74,135,136
EUROPE E 2-71 22K 270 6.8K 150 YES NO 15K YES
DESTINATION
D33,34 D35,36 D39,40 Q1,2 Q11-14 Q15,16
C73 COUNTRY ABB.
2 L
4700P
MTZJ15(B) or MTZJ20(B) or
EUROPE E1 NO NO 2SC1845(F,E) 2SA992(F,E) F05-2525-05
22 HZS15N(B2) HZS20N(B2)
FRONT
SPEAKERS B
C74
4700P KRF-A4030E (X09-6412-71)
DESTINATION R41, R53, R65,66, R71, R99,100, R151, C1,2,17-26,31,32,67,68,
4 R UNIT No. R114
42 54 205,206 72 209 152 71-74,135,136
COUNTRY ABB.
EUROPE E 2-71 22K 270 6.8K 150 YES NO 15K YES
17
DESTINATION
D33,34 D35,36 D39,40 Q1,2 Q11-14 Q15,16
COUNTRY ABB.
MTZJ15(B) or MTZJ20(B) or
SYSTEM EUROPE E2 NO NO 2SC1845(F,E) 2SA992(F,E)
HZS15N(B2) HZS20N(B2)
CONTROL
S.DATA
16 CAUTION: For continued safety, replace safety critical components only with
S.BUSY
15 manufacturer's recommended parts (refer to parts list).
components. For continued protection against risk of fire, replace only with same type and
J6 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
P2 circuit) before the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type voltmeter with no
signal input. The measurement value may vary depending on the measuring instruments
used or on the product.
2SA1123 2SC3940A DTC124ESA
2SA992 2SC1740S
IC1 : NJM4580L-D
IC2 : M62492FP
2SC1845
IC3 : TC9164AN
IC4 : NJM4565L-D 2SC2631
Q1,2 : DTC124ESA or
UN4212
Q3-6,29,30,34,35,37,40,
41,45 : 2SC1740S(Q,R) or
2SC3311A(Q,R)
Q7-10,25,26,31 : 2SA992(F,E)
Q11-14 :
Q15,16 :
Q19,20 : TRAITR3N
Q21,22 : TRAITR3P
2SC4081 TRAIT3N SAA6579/R
Q27,28 : 2SC2631(R,S)
Q32,33 : 2SC1845(F,E) 2SD1757K TRAIT3P
Q36,42 : 2SB1640
Q38 : 2SC3940A
Q39 : 2SD2525
Q44,46,47 : 2SA933AS(Q,R) or
2SA1309A(Q,R)
D1 : MTZJ5.1(B) or
HZS5.1N(B2)
D2 : MTZJ4.7(B) or
HZ4.7N(B2)
D3,5,6,9-12,15-17,31,32,37,
38,41,42,514 : 1SS133 or
HSS104A
DA204U LC72131 M62492FP
D4,28 : MTZJ8.2(B) or
HZS8.2N(B2)
D7,8 : 1SS244
D13 : MTZJ6.2(B) or
HZS6.2N(B2)
D14 : MTZJ2.7(B) or
HZS2.7N(B2)
D18,23 : MTZJ5.6(B) or
HZS5.6N(B2)
D19 : S1ZB20(4101)
D20,21 : MTZJ16(B) or
: HZS16N(B2)
D22 : D4SBL20UF03
D24-27 : S5688B or
1SR139-400
AR-404(K,P) (2/3)
D33,34 :
KRF-A4030S(M,X,E) (2/3)
D35,36 :
D39,40 : MTZJ15(B) or KRF-A4030(E) (2/3)
Y05-4040-10
HZS15N(B2)
KRF-A4030E(E2) (2/3)
AG AH AI
C27, C37, C65, C96, C125, W1,2,64,155, W3,4,6,65,88, CN13,14,
C30 L1,2 P1
28 38 66 97 126 156,165,166 167-170 17,18
2.2u50 100P 4.7u35 0.1 4700u75 YES NO YES NO NO YES
F1 F2,3 F4,5 T1 J8 A C B
F05-0076-05 NO F05-0066-05 L07-2874-05 E03-0148-05 NO YES
C27, C37, C65, C67, C96, C125, W3,4, W6,65,88, W64,155,
C30 W1 W2,156 CN13,14 CN17,18 L1,2 P1
28 38 66 68 97 126 167,168 169,170 165,166
NO YES YES
NO 2.2u50 100P 4.7u35 4700u75 YES YES NO NO NO
0.22 YES NO NO
YES NO NO
YES 4.7u35 0.01 22u16 4700u63 NO NO YES YES YES
F1 F2 F3 F4,5 T1 J8
A B C
YES L07-2876-05 E03-0149-05 YES NO
NO
E03-0325-09
F05-2525-05 F05-6313-05 YES
L07-2875-05 NO YES
E03-0149-05
NO YES
C27, C37, C65, C96, C125, W1,64,155, W2,3,4,6,65,88,
C30 CN13,14 CN17,18 L1,2 P1
28 38 66 97 126 165,166 156,167,168,170,169
4.7u35 0.01 22u16 0.22 4700u63 NO YES NO NO YES YES NO
F1 F2 F3 F4,5 T1 J8
A B C
NO YES F05-6313-05 L07-2875-05 E03-0149-05 NO NO YES
C27, C37, C65, C96, C125, W1,64,155, W2,3,4,6,65,88,
C30 CN13,14 CN17,18 L1,2 P1
28 38 66 97 126 165,166 156,167,168,170,169
4.7u35 0.01 22u16 0.22 4700u63 NO YES NO NO YES YES NO
F1 F2 F3 F4,5 T1 J8 A B C
F05-2525-05 NO YES F05-6313-05 L07-2875-05 E03-0149-05NO NO YES
indicates safety critical
2SA1576A UN4212
2SB1218A 2SA1309A
2SD1819A 2SC3311A
BR24C02
NJM4580L-D
NJM4565L-D
AR-404/KRF-A4030/A4030E/A4030-S
12/11/2017