Abell A-510T, Руководство по обслуживанию

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A-510T（UHF）Ver1.0
52/53
Diagram 3 A-510T Block Diagram
AN
T
LP
F
ANT
S
W
AN
T
S
W
FI
NA
L
AM
P
DRI
VE
AM
P
D1
D3
Q3
Q4
Q1
0
RF
AM
P
BA
P6
5-
03
RF
M
07
R
FM
01
2S
C
3356
AP
C S
T
U8
NJ
M
29
04
V
UM
C4
N
Q7
SW
APC
5T
TH
ER
M
AL
PR
O
TE
C
T
ION
B
+7.
5V
RF
A
M
P
D5
D
6
HS
C
27
7
Q6
A
T
320
11
5R
5T
5T
T
DA2
82
2
U3
06
AUDI
O AM
P
VO
LU
M
E
VR1
Q3
02
M
PS
8550
Q3
03
DT
C1
14
E
E
B+
7.
5V
AF
_M
ODE
SW SW
U300 ST
M
32
F1
03
V
B
T6
X3
00
12.
22
8M
Hz
XOUT
XIN
Q3
03
2S
J243
SW
M
1
M
IC
U3
16
W
T
V
04
0-
16S
SP
EEC
H
VOI
C
E
_DAT
A
VOI
C
E
_C
L
K
VOI
C
E
_C
S
V
O
IC
E
_R
ES
ET
TX
D
RX
D
RE
AD/
W
R
IT
E
CH02
CH03
CH00
CH01
CP
U
S1
CH
ANN
E
L
S
W
Q
305
Q
306
LED
1
LED
2
RE
D
GR
E
EN
DT
C1
14
E
E
DT
C1
14
EE
V
cc
7.
5V
Vc
c 7.
5V
RX L
ED
TX L
E
D
SW
SW
T
X
/B
US
Y L
A
M
P
PT
T
S1 S2 K1
K2 S3
SP
1
16
R
/1W
PO
W
ER
S
W
V
cc
7.
5V
B+7
.5
V
BA
TT
GP IO 0
GP IO 7
CLK
SD IO
U
314
X
C620
4B
50
2M
R
5V
5R
RX
_C
T
L
DC
-S
W
PD N
SC
CT /DCSS D EC OD E
CP
U3
V3
CP
U3
V3
RE
SE
T
U3
17
S-
8012
8A
N
M
C
GP
IO
In
te
rf
ac
e
Bu
s
Q9
DT
C1
14
T
E
SW
D2 NC
RF
O
UT
RF
IN
K3 S4
VOI
C
E
_B
US
Y
U3
13
LM
273
4X
M
K
Vc
c 7
.5
V
DC-
DC
U309
U3
10
X
C
62
19B
332
X
C
62
19B
332
5V
A3
V3
RE
G
RE
G
RF
3V
3
AP
C
CT
/D
CSS D
E
CO
D
E
BA
T
T D
E
T
P
rogr
am
m
ing
FC
CTC M OD
RX
C
TXC
AF
_
M
ODE
K1
MI
C
Mu
te
K2 K3
TX LE
D
RX
L
ED
PT
T
CP
U3
V3
AF
o
ut
TH
1
B
EEP
CP
U3
V3
EEP
R
OM
U3
18
24C
512
VO
X
SC
T3
2
58
TD
IP
da
ta
po
rt
U30
2
AM
B
E-
300
0
En
co
de
r/
D
eco
d
er
AD
/D
A
s
w
it
ch
Fr
am
e E
n
co
di
ng
Fr
am
e D
ec
od
in
g
Mo
du
la
ti
on
Fr
am
e He
ad
er
/V
ai
ld
D
at
e
De
m
od
u
la
ti
on
Vo
ic
e
RD
A1
84
6S
VC
O
U9
X2
12
.8
M
Hz
TC
XO
M
OD
2
3V
3
M
OD
1
LD
O
0/
90
Sy
nt
he
si
ze
r
LN
A
I
ADC
I
PG
A
DS
P
Co
re
A
udio
fi
lte
r
Sub
.fi
lte
r
FM
mo
de
m
AF
C l
oo
p
DAC
GPI
O
In
ter
fa
ce
Bu
s
3V
3
PA
_d
rv
ie
r
AF
o
ut
Q
ADC
Q
PG
A
ADC
AM
P
Le
ft
AD
C
AD
C
AM
P
HP
L
Si
g
na
l
pr
oc
.
DA
C
Si
g
na
l
pr
o
c.
AM
P
Re
ft
AD
C
ADC
AM
P
S
ign
al
pr
oc
.
DAC S
ign
al
pr
oc
.
M
OD
2
Da
ta
I
nt
er
fa
ce
Cl
oc
k Ro
ut
in
g
CLK
SD IO
PD N
SC
CT /D CSS DEC ODE
CTC M OD
U3
07
NJ
M
29
04
AM
P
S1FS
S1D
O
S1C LK
S1D I
S1FS
S1D
O
S1C LK
S1D I
APC _S W
U309
U3
10
X
C
62
19B
122
X
C
62
19B
332
DS
P3V
3
RE
G
RE
G
D1
V2
U
315
XC
62
04
B5
02
M
R
5V
5T
TX
_C
TL
DC
-S
W
U
308
X
C620
4B
502
M
R
5V
DC5
V
DC
-S
W
TL
V
320
A
IC
320
4
U3
01