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Kenwood KRF-V4080D-S Service Manual page 8

Kenwood audio-video surround receiver

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AO
AP
PC BOARD(Component side view)
Q Q
3 7 6 3 1 5 1 5 0
1
2
X14-7770-10 A/2 (J70-1713-11)
X14-7800-10 A/2 (J70-1719-01)
WH804
STANDBY
5
1
WHT
1
3
R913
D808
CN805
R851
W2
S801
C834
IC803
STANDBY
C846
W3
R848
W8
R849
W9
S812
W1
SP ON/OFF
W13
W11
T E
L
1 3 9 4 2 2 9 6 5 1 3
W153
W6
W7
4
W4
X14 B/2
W5
W12
WHT
5
WHT
6
w w w
7
12
AQ
AR
W64
ED801
4
W19
C817
W20
R817
C814
R820
W31
C803
C813
1
5
C812
C804
D816
IC806
C845
DOLBY DIG EX/
ACTIVE EQ
DTS
DOLBY DIG
FAST-OFF2
W18
D805
D807
D806
S811
S803
DIMMER
LISTEN
R805
W21
R845
R846
R852
R961
W23
W24
W22
S802
S804
S805
S806
ACTIVE EQ
INPUT
AUTO
BAND
x
a o
.
i
AS
AT
X800
W41
C851
22 23
12
33
W35
IC801
11
34
1
44
15
35
IC802
Q
Q
RESET CCT
3
7
C843
W70
W55
W66
C810
W65
EEPROM
5
8
W501
CLK
IC807
S808
4
1
DATA
SOUND
W39
S809
S807
SETUP
MEMORY
u 1 6 3
y
13
AU
AV
2
4
8
9
R884
E3
C841
A801
5
4
R840
WH105
R839
10
R837
1
3
R838
C829
R886
R865
C806
R871
W102
50
55
W110
W97
FLASH
D826
W109
C850
R878
R862
D823
W95
FLASH
R970
R881
W96
W78
W85
R897
6
3
1
5
1
5
0
8
D812
W81
W107
R953
W91
D813
W87
CP803
C835
W79
C827
R935
OUTPUT
CLK
INPUT
NON-BKUP
SUPPLY
BACKUP
SUPPLY
R939
MULTI CONT.
S813
C819
W75
C818
W71
W72
S814
W73
R946
SELECTOR
W82
W69
m
c o
.
Refer to the schematic diagram for the value of resistors and capacitors.
AW
AX
2
9
8
9
9
CN803
E1
19
1
W151
R917
18
2
R899
W152
R807
WH106
1
13
1
R901
R832
W128
VOLUME
S815
R963
R806
R964
C821
R900
C820
W149
R902
9
2
4
9
8
2
9
9
R829
50
51
W113
26
75
CP801
IC804
25
76
W144
R965
X801
W145
W140
CP802
R906
1 100
R907
R908
C831
W124
R912
C830
R904
W130
S810
R966
MUTE
R909
E2

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