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Kenwood DVF-3070/3070-S Service Manual page 9

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Z
12G
11G
10G
P1
P2
a
a
1
P3
h
h
P4
j
j
P5
k
k
P6
b
b
P7
f
f
P8
m
m
P9
g
g
P10
n
n
P11
p
p
P12
r
r
P13
c
c
P14
e
e
P15
d
d
P15
DP
2
FRONT
FL91
12G
11G
3
CN91
GND
1
R912 15
+5VFL DC
2
FL+
R913 15
POWER
SUPPLY-
-27VFL DC
3
27V
CN2
R914 15
2/3
-5VFL DC
4
FL-
R915 15
D905
Y-1
+5V6S
5
+5.6V
5.7V
4
CN92
4.7V
IR
1
REMOCON
+5V6S
2
+5.6V
MAIN-
VFD STB
3
JS2
VFD DATA
4
OUT
1/3
5
VFD DATA
IN
T-4
VFD CLK
6
GND
7
SCN1
1
2
5
KEY1
R908
10K
R907
KEY2
10K
R906
KEY3
10K
R905
6
KEY4
10K
CAUTION: For continued safety, replace safety critical components only
with manufacturer's recommended parts (refer to parts list).
safety critical components. 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 car-
ried out (exposed parts are acceptably insulated from the supply circuit)
before the appliance is returned to the customer.
7
FRONT
AA
9G
8G
7G
6G
5G
4G
3G
2G
a
a
a
a
a
a
a
a
h
h
h
h
h
h
h
h
j
j
j
j
j
j
j
j
k
k
k
k
k
k
k
k
b
b
b
b
b
b
b
b
f
f
f
f
f
f
f
f
m
m
m
m
m
m
m
m
g
g
g
g
g
g
g
g
n
n
n
n
n
n
n
n
p
p
p
p
p
p
p
p
r
r
r
r
r
r
r
r
c
c
c
c
c
c
c
c
e
e
e
e
e
e
e
e
d
d
d
d
d
d
d
d
DP
COL
COL
10G
9G
8G
7G
DP
R916
10
-28.1V
5.0V
REMOTE
SENSOR
RM91
3
2
IN
+B
+5.6V
GND
1
+5.6V
SKIP
SKIP
SEARCH
FORWARD
BACKWARD
FORWARD
SW96
SW95
SW97
PLAY
PAUSE
SW92
AB
DVF-3070/3070-S/3070K-S
1G
S1
S2
S3
S4
a
h
j
f
b
k
g
m
r
n
c
e
S1
p
d
(2G-11G)
6G
5G
4G
DP
COL
COL
+5.6V
R911
100
1
2
3
4
5
DOUT
6
DIN
7
R902
R903
IC
10K
10K
8
CLK
9
STB
10
KEY1
KEY1
11
KEY2
KEY2
12
KEY3
KEY3
13
KEY4
KEY4
STOP
SW93
+5.6V
D904
SEARCH
BACKWARD
SW94
D902
OPEN/
CLOSE
SW91
D901
The DC voltage is an actual reading measured with a
high impedance type voltmeter with no signal input. The
indicates
measurement value may vary depending on the mea-
suring instruments used or on the product.
AC
+B
S2
S3
S4
IC91
RM91
D901,902,904 :
(1G)
D905
3G
2G
1G
27V
39
G6
G6
38
G7
G7
37
G8
G8
36
G9
G9
35
G10
G10
34
VEE(-27V)
33
VDD
IC91
FL DRIVER
32
G11
G11
31
G12
G12
30
S16
S16
29
S15
S15
28
S14
S14
27
S13
S13
DVF-3070 (3/3)
AD
B LINE
B
B LINE
:
UPD16311GC-AB6
:
NJL63H380A
1N4148
:
1N4004
12

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