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Krf-V7030D-S - Kenwood KRF-V7030D-S Service Manual

Audio video surround receiver
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K
L
(X07-31XX-XX) (B/3)
VR-407 (X07-3130-10)
Q Q
DESTINATION
3.5V (3.0V)
UNIT No.
A
B
C
3 7 6 3 1 5 1 5 0
COUNTRY
ABB.
U.S.A.
K
0-10
NO
CANADA
P
VR-407-S (X07-3130-10)
C
DESTINATION
UNIT No.
A
B
C
COUNTRY
ABB.
U.S.A.
K1
0-10
NO
3.6V
VR-409 (X07-3120-11)
14.4V
DESTINATION
Q207
UNIT No.
A
B
C
COUNTRY
ABB.
BUFFER
U.S.A.
K
0-11
NO
CANADA
P
KRF-V7030D-S (X07-313X-XX)
DESTINATION
UNIT No.
A
C
COUNTRY
ABB.
GENENAL MARKET
M
0-21
MALAYSIA
I
NO
AUSTRALIA
X
0-71
KRF-V8030D (X07-312X-XX)
DESTINATION
UNIT No.
A
C
F
COUNTRY
ABB.
2-91
NO
PX
Y
EUROPE
E
2-71
YES
KRF-V7030D (X07-313X-XX)
DESTINATION
UNIT No.
A
C
F
COUNTRY
ABB.
EUROPE
E1
2-71
YES
U.K.
T
0-51
PX
Y
2-91
NO
KRF-V8030D-S (X07-312X-XX)
DESTINATION
UNIT No.
A
C
COUNTRY
ABB.
GENENAL MARKET
M
0-21
MALAYSIA
I
NO
AUSTRALIA
X
0-71
DIGITAL LINE
SIGNAL LINE
GND LINE
B LINE
+B
B LINE
B
T E
L
1 3 9 4 2 2 9 6 5 1 3
CN5
15
DET
14
S-LEVEL
13
SD
R79 1K
W682
12
STEREO
L6
MUTING
C70
6800P
11
R
ON: 0.7V
Q210
OFF: -1.8V
C83
W683
10
GND
100P
L7
9
L
Q211
R74
+12V
8
+12V
47K
C71
12V
7
-12V
6800P
-11.8V
R76
Q212
1.8K
MUTING
ON: 0.2V
CONT.
OFF: 4.8V
R77
1K
6
T. MUTE
+12V
4
5
PLL DT
5
4
PLL CLK
w w w
3
3
PLL CE
C77
R29
6
2
PLL DO
100P
100
1
CH.SPACE
S1
FM :100kHz 75uS
AM :10kHz
.
FM :50kHz 50uS
AM :9kHz
CH.SPACE
DE-EMPHASIS
VR-407/407-S/409 (1/4)
KRF-7030D/7030D-S (1/4)
KRF-D8030D/8030D-S (1/4)
M
N
R8,
R27,
R72,
C8,9,13,70
F
G
E
R14
R15 R23
R25
R29
R32
C4
C25
C26
11
28
73
71,77,79,80
YES
33
100
4.7K 9.1K
16K
6.8K
NO
YES
15K
330P
NO
470P 0.022
0.033
R8,
R27,
R72,
C8,9,13,70
F
G
E
R14
R15
R23
R25
R29
R32
C4
C25
C26
11
28
73
71,77,79,80
YES
33
100 4.7K
9.1K
16K 6.8K
NO
YES
15K 330P
NO
470P
0.022
0.033
R8,
R27,
R72,
C8,9,13,70
F
G
E
R14
R15
R23
R25
R29
R32
C4
C25
C26
11
28
73
71,77,79,80
YES
33
100 4.7K
9.1K
16K 6.8K
NO
YES
15K 330P
NO
470P
0.022
0.033
R8,
R27,
R72,
C4,70,71
C8,9,35,
C13,
E
F
G
B
R14 R15
R23
R25
R29
R32
C25
11
28
73
79,80,82
89,90
74
YES
YES
33
270
NO
3.3K
18K
7.5K
YES
8.2K
NO
YES
NO
470P
NO
NO
R27,
R29,
R72,
C8,9,35,
C13,
G
B
E
R8
R11
R14
R15
R23
R25
C4
C25
C26
28
32
73
77,89,90
74
YES
33
33
270
NO 3.3K
18K
7.5K
YES
8.2K
NO
YES
470P
0.022
NO
NO
NO
10
22
100
33K
15K
27K
4.3K
NO
3.9K
YES
NO
180P
0.018
R27,
R29,
R72,
C4,70,71
C8,9,35,
C13,
G
B
E
R8 R11
R14
R15
R23
R25
C25
79,80,82
77,89,90
28
32
73
74
NO
10
22
100
33K
15K
27K
4.3K
NO
3.9K
YES
NO
180P
NO
NO
YES
33
33
270
NO 3.3K 18K 7.5K YES
8.2K
NO
YES
470P
R8,
R27,
R72,
C4,70,71
C8,9,35,
C13,
F
E
G
B
R14
R15
R23
R25
R29
R32
C25
11
28
73
79,80,82
89,90
74
YES
YES
33
270 NO 3.3K
18K
7.5K
YES
8.2K
NO
YES
NO
470P 0.022
NO
NO
IC201
:
IC202
: LC72131
Q201,203,204,206,207
: 2SD1819A(Q,R) or
2SB1132
2SC4081(R,S)
Q202,212,214
2SB1308
: 2SB1218A(Q,R) or
2SA1576A(R,S)
Q210,211
: 2SD1757K
D201
: DA204U or
1SS302 or
MA143A
D203
: MTZJ8.2(B) or
HZS8.2N(B2)
D204
: MTZJ5.1(B) or
HZS5.1N(B2)
D213
: MA111
D209
: MTZJ3.3(B) or
HZS3.3N(B2)
MA142WA
MA142WK
UN5212
X07-A/3
-CN6
2/4
A
x
a o
y
i
O
P
C30,
C35,74,
W656, W682,
CF1,2
CF3
IC201
L6,7
CN4
S1
E1
31
82,89,90
660
683
8
YES
L72-0596 (MS2)
NO
LA1837
NO
YES
NO
YES
NO
F10-1129
C30,
C35,74,
W656,
W682,
CF1,2
L6,7
CF3
IC201
CN4
S1
E1
31
82,89,90
660
683
YES
L72-0596 (MS2)
NO
LA1837
NO
YES
NO
YES
NO
F10-1129
C30,
C35,74,
W656,
W682,
CF1,2
L6,7
CF3
IC201
CN4
S1
E1
31
82,89,90
660
683
YES
L72-0596 (MS2)
NO
LA1837
NO
YES
NO
YES
NO
F10-1129
C30,
W682,
C26
C77
CF1,2
CF3
IC201 L6,7
CN4
E656
W660
S1
E1
31
683
YES
YES
YES
0.022
0.022
L72-0531 (MA5)
YES
LA1838
NO
NO
NO
YES
F10-1129
NO
NO
NO
C30,
C70,71
W656,682,
CF1,2
CF3
IC201
L6,7
CN4
W660
S1
E1
31
79,80,82
683
NO
L72-0531 (MA5)
YES
LA1838
NO
NO
YES
NO
YES
F10-1129
0.022
YES
L72-0536 (MS3)
NO
LA1837
YES YES
NO
YES
NO
F10-1167
C30,
W656,682,
CF1,2
L6,7
C26
CF3
IC201
CN4
W660
S1
E1
31
683
0.018
L72-0536 (MS3)
NO
LA1837
YES YES
NO
YES
NO
F10-1167
0.022
0.022
L72-0531 (MA5)
YES LA1838 NO
NO
YES
NO
YES F10-1129
C30,
W682,
C26
C77
CF1,2
CF3
IC201
L6,7 CN4
W656
W660
S1
E1
31
683
YES
YES
YES
0.022
L72-0531 (MA5)
YES
LA1838
NO
NO
NO
YES
F10-1129
NO
NO
NO
2SD1963
2SD1664
2SC4081
2SD1757K
Q
Q
3
7
6
3
1SS301
TC74HCT7007AF
XC62FP5102P
u 1 6 3
.
Q
R
2
CAUTION: For continued safety, replace safety critical components only with manu-
4
9
9
facturer's recommended parts (refer to parts list).
nents. 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.
The DC voltage is an actual reading measured with a high impedance type volt-
meter 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 instru-
ments used or on the product. The value shown in ( ) is actual reading measured in
the AM mode.
MODE
CARRIER
FREQUENCY
FM
98MHz
AM
1000(999)kHz
2SC1845
2SC2785
2SC2878
DTA124EUA
NJM4565M
DTC123JUA
NJM4565MD
DTC124EUA
NJM4580ED
1
5
1
5
0
8
9
2
NJM2279M
2SD2351
LC72131
S-80840ANY
TC7WU04FU
BA05T
5
8
4
1
m
c o
KRF-V7030D/V8030D/VR-407/409
Y05-4010-10
S
T
2
8
9
9
indicates safety critical compo-
MODULATION
ANT INPUT
DEVIATION
1kHz
STEREO 67.5kHz 7.5kHz(Pilot)
60dB
400Hz
MONO 30% MOD
60dB
2SC1740S
UN5219
2SD1819A
2SA1576A
2SB1218A
DAN202U
DAP202U
DA204U
4
9
8
2
9
9
NJU7311AM
LA1837
NJU7313AM
LA1838
M62446FP
TA48M033F

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