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Kenwood VRS-7100 Service Manual page 13

Audio-video surround receiver
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AE
AF
Q Q
3 7 6 3 1 5 1 5 0
1
WH303
X08-
CN5
GND
O - 4
1/5
J1
L
AUX
IN
R
L
2
PLAY
IN
R
VIDEO 1
J2
L
REC
OUT
R
L
PLAY
VIDEO 2
IN
3
R
L
DVD
IN
R
CN3
X14-E/7-
GAME Lch
CN305
T E
AUDIO GND
L
1 3 9 4 2 2 9 6 5 1 3
5/5
GAME Rch
J3
BE-4
L
4
SURROUND
BACK
PRE
R
OUT
SUB
WOOFER
5
CN1
F.AUX Rch
F.AUX GND
X14-E/7-
F.AUX Lch
CN306
HP Rch
5/5
HP GND
HP Lch
6
BE-5
w w w
.
7
AG
AH
(X25-6630-10) (B/2)
IC2
FUNCTION
32
SWITCH
DGND
R78 100
31
CL
30
R79 100
DA
1
29
INA1
2
VEE
7V
2
INA2
1
3
INB1
28
4
BIAS
INB2
5
R15
INC1
6
27
1K
INC2
VCC
+7V
7
26
IND1
RECA1
8
25
IND2
RECA2
R14
9
24
1K
INE1
RECB1
10
23
INE2
RECB2
11
22
INF1
RECC1
12
21
R19
INF2
RECC2
13
20
13
ING1
OUT1
1K
14
19
14
ING2
OUT2
15
18
INH1
INI1
R18
16
17
1K
INH2
INI2
R17
1K
R16
1K
IC5
C55
10u50
1
IN1
+
R21
2
1K
AGND1
C80
10u50
3
R20
IN2
+
1K
4
AGND2
R99
R125
5
VEE
220
10
1/4W
R23
6
1K
AGND3
R100
220
R126
R22
1/4W
10
7
VCC
1K
R7
100
+11.8V
3
13
12.4V
2
R8
BUFFER
1
14
100
+11.8V
IC3
R37
R147
R51
C33
8
3
4.7u50
47
470
470
2.2u50
(1/2)
1
+
Q3
2
Q9
R57
470
R73 47K
C45 3900P
R56
Q10
470
Q4
C43 10P
R38
R148
C34
47
470
R50
2.2u50
R75 47K
+
470
6
7
R39
R52
C35
5
4.7u50
47
1K
22u50
IC3
4
+
(2/2)
R58
12.4V
1K
Q5
IC4
BUFFER
C58
(1/2)
8
3
4.7u50
1
2
D9
R76
4
47K
R24
R49
C44
Q2
560
1K
10P
1/4W
R110
R43
1K
10K
R2
1
100
3
2
R1
3
R45
100
4
+B
IC1
C41
1
R83
C53
R47
5
(1/2)
8
3
10u50
1K
1u50
22
6
2W
1
+
+
2
R87
Q6
1K
R55 47K
Q1
C31 10P
HEADPHONE AMP
R88
C32 10P
1K
x
a o
Q7
R54 47K
y
R48
22
6
2W
7
C40
R82
C54
i
5
10u50
1K
1u50
IC1
+
+
4
(2/2)
R46
1
B
12.4V
+14.7V
AI
AJ
IC1,7
:
NJM4580ED
8
IC2
:
BD3841FS
IC3,4
:
NJM4565M
IC5
:
BD3812F
IC6
:
NJU7311AM
IC8
:
KIA7812API
12
IC9
:
KIA7912PI
11
Q1
:
KTC3199(Y,GR) or
2SC1740S(Q,R) or
2SC2785(F,E)
Q2,8
:
2SA992(F,E)
Q3-7,9,10
:
2SC4213(B)
D1
:
1SS133
D2
:
MTZJ4.7(B)
D3
:
MTZJ3.9(B)
D4,5
:
UDZS6.8B
D9
:
1SR139-400 or
S5688B
RECORDING LINE
DIGITAL LINE
SIGNAL LINE
GND LINE
+B
B LINE
B
B LINE
IC7
(1/2)
R97
C67
VOLUME IC
4.7K
22u50
3
8
+
C65
2
14
2.2u50
OUT1
+
C64
13
2.2u50
OUT2
+
6
R96
C68
4.7K
22u50
12
5
SEL
4
+
11
DGND
10
R116
MUTE
100
9
7
DA
R114
8
100
CL
6
FUNCTION SWITCH
+7V
+11.8V
IC6
C60
Q
Q
470P
3
7
6
3
R65
R113
1
+11.8V
VEE
C57
10
R98
10
R111 5.6K
2
L1
100
SW
R117 2.7K
3
+
L2
4
LCOM1
5
L3
R69
C75
100
4.7u50
6
L4
+
7
LCOM2
R123
100K
8
L5
R61
100
9
L6
C56
R101
10
LCOM3
100
L
R137
11
+
L7
100K
R66
12
LCOM4
13
10
NC13
14
R103
ST
100
15
R
VSS
+
6
7
5
IC4
(2/2)
+11.8V
+11.8V
R104
Q8
1K
R80
10K
u 1 6 3
+11.8V
.
12.4V
+14.7V
21
AK
AL
2
4
9
A1
9
8
R9
1
47
OUT
2
GND
OPT 1
R11
3
4.7
VCC
+5V
1
2
3
A2
R12
4
1
47
OUT
5
2
GND
6
OPT 2
7
DIGITAL
R10
8
IN
3
4.7
VCC
9
J4
L1
C5
600
4700P
COAX 1
L2
C6
600
4700P
COAX 2
1
2
R132
3
10
+11.8V
+11.8V
4
R135
C95
5
1
22
4.7u50
12.4V
6
+
7
8
9
10
R134
C94
22
4.7u50
7
11
+
12
IC7
(2/2)
L
13
R133
12.4V
14
10
R
15
16
SW
17
1
+14.7V
2
12.4V
3
3
R115
4
4
10
1
30
5
1
5
0
8
9
2
4
VDD
5
5
R112
C66
6
6
29
5.6K
R1
470P
7
7
28
R118
R2
8
8
2.7K
27
9
9
RCOM1
26
10
10
R3
26
11
11
C74
R74
25
4.7u50
100
12
12
R4
R678 100
+
24
13
13
RCOM2
24
23
R677 100
R5
23
14
14
R92 100K
R676 100
15
15
R70
22
R675 100
R6
16
16
100
R674 100
21
17
17
RCOM3
20
R673 100
R7
18
18
19
R672 100
RCOM4
19
19
18
R120
NC18
R671 100
17
100
20
20
DATA
10
R670 100
16
R121
21
21
CK
9
100
R122
8
100
20
1 STEREO
19
2 SD
18
3 T MUTE
R668
4
100
5
R669
6
100
21
7
R131
L3
4.7
+11.8V
8
600
9
17
10
L4
11
600
16
12 PLL DO
15
13
+14.7V
14
14
m
+12V AVR
13
15
R129
IC8
2.2
1/4W
c o
+11.8V
OUT
IN
+14.7V
4
GND
3
R130
10
GND
1/4W
12.4V
OUT
IN
15V
2
1
+14.7V
-12V AVR
IC9
VRS-7100 (3/5)
AM
AN
VRS-7100
2
9
9
CN5
+5V
GND
DIN OPT1
X08-
CN1
GND
DIN OPT2
1/5
D-GND
DIN COAX1
A - 2
D-GND
DIN COAX2
CN6
Lch
GND
Rch
+12V
Lch
-12V
Rch
X08-
CN11
GND
Lch
1/5
GND
Rch
M - 1
GND
BS/Lbsch
GND
Rbsch
GND
SWch
CN7
NC
+14V
PRE MUTE
HP MUTE
9
8
2
9
9
HP RELAY
VR SCL
VR SDA
CAUTION: For continued safety,
SEL STB
replace safety critical components
SEL CLK
SEL DATA
only with manufacturer's recom-
3841 SDA
mended parts (refer to parts
X08-
3841 SCL
CN71
list).
indicates safety critical
PLL CE
1/5
components. For continued pro-
PLL DIN
tection against risk of fire, replace
PLL CLK
W - 5
only with same type and rating
PLL DO
fuse(s). To reduce the risk of elec-
S LEVEL
tric shock, leakage-current or
T MUTE
resistance measurements shall be
SD
carried out (exposed parts are
STEREO
acceptably insulated from the sup-
FMDET
ply circuit) before the appliance is
returned to the customer.
CN603
The DC voltage is an actual read-
Rch
ing measured with a high imped-
ance type voltmeter with no signal
input. The measurement value
Lch
FMDET
may vary depending on the mea-
suring instruments used or on the
+12V
product.
S LEVEL
PLL CLK
PLL DIN
PLL CE
WH301
+14V
X14-A/7-
CN3
GND
5/5
AY-2
-14V
GND
X25-6630-10
22

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