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Kenwood VRS-7100 Service Manual page 10

Audio-video surround receiver
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K
L
VRS-7100
Q Q
(X08-3280-10)
3 7 6 3 1 5 1 5 0
31
C105 2700P
32
C101
R103
R105
R111
4.7
1.8K
1.8K
3
8
+12V
100
FL
1
2
C109
FL
IC10
-12V
(1/2)
100P
FR
IC10
(2/2)
R112
6
C102
R104 R106
7
100
4.7
1.8K
1.8K
5
FR
4
C106
2700P
IC10,12,14,16
L.P.F.
C125
1800P
C121
R123
R125
4.7
1.5K
2.2K
8
R131
3
SL
1
100
2
IC12
C129
SL
(1/2)
100P
IC12
SR
(2/2)
R132
6
C122
R124 R126
7
100
4.7
1.5K
2.2K
5
SR
4
C126
1800P
C149
C145
2700P
100P
C141
R143
R145
4.7
1.8K
1.8K
8
R151
3
SBL
100
1
2
IC14
SBL
(1/2)
SBR
IC14
(2/2)
R152
6
C142
R144 R146
7
100
4.7
1.8K
1.8K
5
SBR
4
C146
2700P
12V
C
SW
+3.3V AVR
+5V
IC8
3
1
+3.3V
OUT IN
T E
GND
L
1 3 9 4 2 2 9 6 5 1 3
2
+3.3V
C556
R557
0.1
3.3
CP61
68
CP62
68
FLASH MEMORY
IC59
+3.3V
R552
1K
Q551
w w w
17
X08-3280-10 (2/3)
M
N
CN11
17
LT IN
16
GND
15
RT IN
14
VCC ANALOG
13
L OUT
12
VSS ANALOG
X25-B/2-
11
R OUT
CN6
10
GND
9
LS/LTREC OUT
3/5
AM-3
8
GND
7
RS/RTREC OUT
6
GND
(X08-3280-10)
5
LBS OUT
DESTINATION
4
GND
COUNTRY
ABB.
3
RBS OUT
U.S.A.
K
CANADA
P1
2
GND
EUROPE
E1
1
SW OUT
AUSTRALIA
X1
+12V
12V
C165 2700P
CENTER
C161
R163
R165
R171
4.7
1.8K
1.8K
3
8
1
100
2
IC16
C169
(1/2)
100P
IC16
(2/2)
R172
6
C162
R164
R166
100
7
4.7
1.8K
1.8K
5
4
C166
12V
SW
2700P
IC7
+5V AVR
R54
3
1
2.2
+5V
OUT
IN
+6V
1/4W
GND
2
C23
82P
IC63
R602
+3.3V AVR
2.2
+3.3V
OUT
IN
+6V
1W
GND
+1V AVR
IC62
+3.3V AVR
IC61
R601
D601
2.2
3
1
+3.3V
OUT
IN
1W
GND
2
+6V
R901 1
+5.6V
1/4W
+3.3V
+4.4V AVR
IC91
D901
1
5
VSS
VOUT
+3.4V
2
VIN
D902
3
4
CE
NC
+3.4V
IC92
C903
D905
3
1
0.1
IN
OUT
GND
2
+5V AVR
IC93
R911
1
3
1
+6V
IN
OUT
1/4W
GND
x
a o
y
2
.
i
+5V
+1V
EARTH
O
P
UNIT
A
R701
No.
0-10
NO
NO
2-71
YES
24K
0-71
NO
6.8K
CN8
+6V
1
VDD +6V
26
X14-A/7-
+3.9V
2
VDD +4V
WH4
3
GND
4
33.4V
4
VDD FL
5/5
AY-3
29
5
5
FILAMENT+
6
6
FILAMENT-
R771 1K
X25-B/2-
R770
CN5
WH303
1K
1
GND
3/5
AF-1
2
GND
Q
Q
3
7
6
R768
100
R767
100
121
R766
100
122
31
35
127
126
125
33
32
CN91
34
D904
1
OFF DET
X14-A/7-
65
2
POWER RLY
WH5
15
99
3
VOLTAGE CNTL
17
5/5
AY-3
4
VDD MICOM
5
GND
+3.4V
R954
A
100
R819
10K
R952
100
R905
1K
Q901
EEPROM
R951
IC95
100
X95
+3.4V
4.332MHZ
RDS IC
u 1 6 3
+3.9V
18
Q
R
2
4
8
9
9
36
R730 3.9K
R729 100K
R728 100K
R727 3.9K
R726 100K
R725 100K
R935 100K
R934 100K
+3.4V
TP1
+3.4V
X71
8.388MHz
2
R734
100
26
REM0
R733
27
REM1
28
100
DIR ERR
R732
29
KEY STANDBY
100
30
RDS CLK
31
CE
32
P26
TP2
33
RESET
34
EM RTS
3
1
5
1
5
0
8
9
35
EM CTS
36
LED1 / SUB RST
37
DSP RST
MICRO CONTROLLER
38
DSP CS
R760 100
39
DIR PDN
R759 100
40
DIR CSN
41
P17
R758 100
42
DSP MOSI
43
DSP MISO
R757 100
44
DSP SCK
R756 100
45
AK CDTI
46
AK CDTO
R755 100
47
AK CCLK
48
RDS DATA
CODEC
49
DSP INTREQ
R754 100
50
PDN
R818 100K
R817 100K
R816 100K
R815 4.7K
R814 4.7K
R813 4.7K
R812 4.7K
R811 100K
IC72
IC73
R810 100K
R809 100K
R808 100K
EEPROM
m
c o
.
+5V
+3.9V
S
T
2
8
9
9
R945
47K
8
R943
7
47K
6
R711 10K
4
R710 100K
C708 1000P
R707 100K
R706 100K
R705 15K
+3.4V
R714 1
3
1
C707
100
1
DAVDD
99
SWPS VCNTL
98
YCBCR MUTE
97
YCBCR V2/DVD
96
S MUTE
95
DAVSS
94
S SW2
93
S SW1
92
CVBS SW5
91
2
4
9
8
2
9
9
CVBS SW4
90
CVBS SW3
89
CVBS SW2
88
IC71
CVBS SW1
87
TAS SHUTDOWN
86
TAS ERR RCVY
85
TAS MUTE
84
TAS SDA
83
TAS SCL
82
TAS RST
81
TAS PDN
80
HP MUTE
79
LED STANDBY
78
ENC VOL CW
77
ENC VOL CCW
R871
76
PRE MUTE
100K
R772 100K
R773 100K
R774 100K
R775 100K
R776 100K
R777 100K
R778 100K
R779 100K
R780 100K
R781 100K
R782 100K
R783 100K
99

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