Abell TH308G, Service Manual

Page: 51 / 58

ABELL TH-308G VHF Service Manual
- 50 -
1
2
3
4
5
6
78
A B C D
8
7
6
5
4
3
2
1
D C B A
Titl
e
N
u
m
b
e
r
R
evis
ion
Si
z
e
A3
D
ate
:
2
2
-J
u
l-
20
08
S
h
e
e
t
of
F
ile
:
D
:\
共享
\T
H3
0
8
GB
VH
F
V0
4
Ja
n
.1
0
.0
8
夏工
\T
H
308G
B
V
H
F
V
0
4.
D
d
b
Dr
a
w
n B
y
:
C2
39
10
00P
L2
03
磁珠
L2
01
磁珠
L2
07
6.
8U
H
L2
08
6.
8U
H
L2
15
10
0N
H
L2
17
82
N
H
R2
29
33
0R
R2
31
5.
6K
R2
33
3.
3K
R2
32
3.
3K
D
200
M
A
2S
11
1
C2
34
NC
C2
32
10
4P
C2
55
12
P
C2
10
10
0P
C2
11
10
0P
C2
12
10
0P
C2
24
10
2P
C2
33
10
4P
C2
37
10
3P
C2
09
47
0P
C2
18
3p
F
C2
40
0.
75p
F
C2
38
10
3P
C2
45
9P C2
44
18
P
C2
42
0.
5P
C2
21
10
2P
C2
46
33
P
C2
05
47
0P
C2
47
15
P
Fin 1
1
V-v co
2
cp 1
3
gn d
4
loc k
5
clk
6
da te
7
stb
8
bo
9
Xout
10
Xin
11
sw
12
gn d
13
cp 2
14
V-v co
15
Fin 2
16
IC
200
GP
4
60
R2
02
47
K
R2
22
1K
R2
03
47
K
R2
19
1K
R2
15
56
0R
R2
16
1K
R2
21
15
0R
R2
17
1K
R2
13
10
K
R2
05
47
K
R2
01
47
K
R2
06
10
0K
R2
28
39
0
R2
30
68
K
D
206
IS
V
325
D
205
1S
V
325
D
208
IS
V
214
TP
2
00
TP
+
C2
36
10
4P
+
C2
00
4.
7U
+
C2
01
4.
7U
CP
2
00
1k
*4
R2
36
33
K
VR
2
00
47
K
Q
211
2S
C
1623
C2
28
10
2P
C2
29
10
2P
D
201
M
A
2S
11
1
+
C2
02
4.
7U
R2
10
4.
7K
C2
15
NC
R2
24
NC
L2
04
磁珠
C2
07
1U
Q
206
2S
C
4
2
2
6
Q
205
2S
C
4226
L2
09
6.
8U
H
L2
16
47
N
H
R2
14
10
0R
R2
18
1K
R2
34
22
0R
C2
23
10
2P
C2
22
10
2P
C2
48
24
P
C2
31
10
4P
R2
23
1M
C2
25
10
2P
L2
12
39
N
H
C2
26
10
2P
C
C
E
E
B
B
Q
208
2S
K
187
5
PL
C
PL
C
PL
C
C2
30
6P
C2
13
*N
C
C2
14
NC
Q
204
2S
C
4226
R2
08
10
0K
R2
07
1K
L2
10
*0
R
R2
35
10
R
C2
50
10
2P
+
C2
49
4.
7U
C2
54
12
P
L2
19
4.
7U
H
CL
K
LO
C
K
DAT
A
ST
B
R2
20
15
0R
C2
53
4.
7uF
CT
C
O
U
T
TX
L2
02
磁
珠
TC
2
00
10
P
L2
14
10
U
H
L2
13
0R
C
C
E
E
B
B
Q
207
2S
K
1875
R2
27
27
0R
C2
04
10
00P
C2
43
18
P
C2
19
10
N
C2
41
0.
5P
C2
17
6P
C2
08
82
P
C2
03
10
00P
L2
11
33
nH
L2
06
6.
8U
H
TC
2
01
10
P
D
202
IS
V
325
D
207
IS
V
325
L2
05
6.
8U
H
C2
16
5P
Q
200
DT
A1
1
4YE
L2
00
磁珠
C2
20
10
2P
R2
00
47
K
R2
09
4.
7K
Q
209
DT
C
1
14
E
E
Q
202
2S
A
1362
RX
C1
RX
C
1
R2
25
12
0K
R2
26
30
K
C2
35
10
4P
R2
04
47
K
R2
11
4.
7K
C2
27
10
2P
Q
201
DT
A1
1
4YE
+
C2
52
1U
Q
210
DT
C
1
14
E
E
Q
203
2S
A
1362
R2
37
2K
PL
C
C
RX
CC
PL
C
RX
C
5V
L2
18
磁
珠
VC
O OU
T
M
ODU
TX
TX
MO
D
U
MO
D
U
AB
EL
L
TH
30
8
GB
PL
L VC
O 本
振电
路
VC
O OUT
VC
O
OU
T
CL
K
LO
C
K
DAT
A
ST
B
LO
C
K
CL
K
DA
T
A
ST
B
PL
C
C
RX
C
C
R2
1
2
0R
C
T
C
OUT
PL
C
C
RX
C
C
CT
C
O
U
T
RX
C
5C
4
VC
1
GN
D
2
XO
UT
3
X2
0
0
13
M
c2
5
1
10
4P
+
C2
0
6
0.
68U
F
L2
2
0
磁珠
C2
5
6
10
3P
VCO
、
PLL CIRCUIT