Kenwood TK-3148, Service Manual

Page: 63 / 74

TK-3148
63
LEVEL DIAGRAM /
电平图
FI
M
F
M
E
T
S
Y
S
1
6
2
C
4
5
1
C
Q206
Q207
m
B
d
0
2
1
–
m
B
d
1.
0
2
1
–
m
B
d
8
1
1
–
s
mr
V
m
0
2
2
m
B
d
0.
5
0
1
–
m
B
d
0.
9
1
1
–
m
B
d
0.
3
1
1
–
m
B
d
7
0
1
–
m
B
d
0.
4
0
1
–
s
mr
V
m
0
6
2
0
0
2
F
X
9
2
2
C
Q205
5
2
2
C
0
0
2
CI
0
0
3
CI
5
4
3
41
0
0
5
CI
7
0
3
CI
C
A
D
W
m
0
0
5
)
L
T
B(
P
S
3
1
3
CI
s
mr
V
m
7
2
s
mr
V
m
0
0
3
s
mr
V
m
5
1
2
7
0
3
CI
C
A
D
12
13
C
L
A
P
M
O
C
W
S
C
DI
6
8
9
19
18
6
1
5
1
7
1
5
C
s
mr
V
m
5
1
s
mr
V
m
5
1
s
mr
V
m
2
4
s
mr
V
m
0
7
1
s
mr
V
m
0
6
4
s
mr
V
m
0
1
3
s
mr
V
m
0
2
3
s
mr
V
m
0
4
3
CI
M
0
0
5
CI
5
0
3
CI
Q101
m
B
d
0
2
+
4
9
2
C
5
9
2
C
)
y
c
n
e
u
q
er
f
r
et
n
e
C(
F
R
)z
H
M
5
8.
4
4(
1
FI)
z
H
k
1(
F
A
)z
H
k
5
5
4(
2
FI
5
0
3
CI
1
0
5
C
C518
3
5
3
C
O
C
V
7
4
C
8
6
C
)z
H
k
1(
F
A
)
y
c
n
e
u
q
er
f
r
et
n
e
C(
F
R
O
L
X
R
0
0
1
D
1
0
1
D
m
B
d
2
+
6
0
1
C
)
y
c
n
e
u
q
er
f
r
et
n
e
C(
F
R
)z
H
k
1(
F
A
7
0
3
CI
C
A
D
Q100
m
B
d
7
+
3
0
1
C
0
0
3
N
C
0
0
5
N
C
6
0
3
N
C
0
0
5
N
C
0
0
3
N
C
0
0
3
N
C
0
0
5
N
C
m
B
d
7
3
+
6
4
1
C
4.0W
Q103
Q106
14
T
o make measurements in the AF section,
connect the AC level meter
.
(ANT input: –53dBm, 1kHz FM, 3kHz DEV(WIDE).) In the RF section, use a 1000pF coupling capacitor
. (The display shows the SSG
input value required to obtain 12dB SINAD.)
AG is set to the MIC input becomes 3kHz DEV
. at 1kHz MOD. (WIDE)
T
o make measurements in the AF section,
connect the AC level meter
.
In the RF section, use a 1000pF coupling capacitor
.
PLL
Q8
C60
7
5
C
Q5
1
5
C
T
ransmitter Section /
发射部分
Receiver Section /
接收部分