Abell A-80 - Schematic Diagram

A-80 UHF SERVICE MANUAL
- 45 -
Schematic Diagram
CPU control circuit
Audio Circuit
1 2 3 4 56
A B C D
6
54321
D
C B A
C4 0.01U
L1 磁珠
C26 0.1U
C27 0.1uF
CP2 1k*4
C47 0.01U
C48 0.01U
C50 0.01U
C51 0.01U
C29 100P
C30 100P
C31 1U
C32 0.1U
X1
18.0178MHz
C7 22P
C8 22P
C10 0.027U
C11 0.027U
R10 68K
R11 4.7K
C9 3900P
R13 4.7K
R14 4.7K
R38 100K
R16 330
CTC OUT
W/ N
AFC
BUSY
R37 150K
R1 10
L2 0.22U
TX
RX
R30 1K
R29 20K
R17
1K
STB
DATA
CLK
D1 1N4148
R9 1M
LOCK
C28 0.1U
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
TEST
7
VCC
8
IC 3 AT2408
R31 100K
R35 10K
C6 10U 6.3
C12 0.1U
R15 4.7K
R12
1K
A3 TP
A2 TP
A4 TP
A5 TP
A6 TP
A7 TP
A8 TP
A9 TP
R6
330
R5
330
LED2
LED-A
LED1
LED- A
L6 磁珠
D2
IS R 1 54 - 40 0
C40 470P
C41
470P
C43 470P
C46 0.1U
C45 1000P
C44 470P
OUT
GND
IN
IC 4 S-8 1350
+
C39 10U 6.3
C42 1U
BATIN
C25 0.01U
C3 0.1U
R4 47K
R25 4.7K
Q9 2SA1362
TXC
Q8
DTC114EE
C53 470P
S3 SW-PB
R26 0
R24 0
R27 0
R28 0
BAT1 7.5V
R44 10K
C33 0.1U
R40 47K
R39 4.7K
Q11 2SA1362
Q12
DTC11 4EE
C34 470P
RXC
C35 470P
Q10 DTA114YE
L4 磁珠
PLC
5C
5C
5C
5C
5C
5C
5C
AD KEY
AF MUTE
AF-IN AF-OUT
AFCC
AFC
AFC
BATIN
BATIN
BATOUT
BATOUT
BATOUT
BATOUT
BUSY
BUSY
CLK
CLK
CTC OUT
CTC OUT
DATA
DATA
LOCK
LOCK
MONI LED
MONI LED
PLC
PLC
PLC
PLCC
PLCC
PTT LED
PTT L E D
PTT
PTT
RX
RX
RXC
RXC
RXCC
RXCC
STB
STB
TI
TX
TX
TXC
TXC
TXCC
TXD
W/ N
W/ N
TXCC
GND
C38 470P
M1 MIC
R47 10K
R48 1K
2 3 4 5
J2
5C MIC
C18 220P
SP1
SPEAK
L5 磁珠
R22 1K
C36 220P
C23 220P
C16 100P
C19 0.1U
C17 0.47U
C14 1000P
C13 1U
R19 10K
R20 2.2K
R18 150
+
C24 100U 6.3
Q5 DTC114EE
Q4 2SA1362
R2 10
Q7
DTC114EE
Q6 3400
C20 0.47U
R21 470K
R23 56K
R3 33K
C21 1000P
C22 0.01U
1 2 4 3
J1
C2 0.1U
+
C15 10U
NC
1
VCC
2
NC
3
VIN
4
PHASE
5
NF
6
PHASE
7
GND
8
GND
9
POUT
10
IC 2
TA7368F
AF-OUT
AFCC
BATIN
TXD
BATOUT
AF-IN TI MIC AF MUTE
CP3 100k*4
5C
L3 磁珠
CP1 1k*4
R34
1K
R32 1K
R7 1K
R8 1K
Q2 DTC114EE
Q3 DTC11 4EE
A10 TP
A11 TP
A12 TP
CN1 CN10
N1 N2 N3 N4 N5 N6 N7
N8
N9
N10
BATIN
MIC TI AF-IN AF MUTE
R33 10K
H/L
H/L
P60
1
P61
2
P62
3
P63
4
P33
5
P75
6
P74
7
P73/ K3
8
P72/ K2
9
P71/ K1
10
P70/ K0
11
P32
12
P31
13
P30
14
P17
15
P16
16
P15
17
P14/RX D
18
P13/TX D
19
P12
20
P11
21
P10
22
AVREF
23
AVSS
24
P27
25
P26
26
P25
27
P24
28
P23/AI4
29
P22/AI3
30
P21/AI1
31
P20/AI0
32
P13_ O
33
P01
34
P00
35
P14
36
P12
37
P41
38
P40
39
RESET
40
P124
41
P123
42
FLM D 0
43
X2
44
X1
45
REG C
46
VSS
47
VDD
48
IC 1
NE78F0 51X-48P
C49 0.1U
R54 4.7K
5C
RESET
C5
0.47U 6.3
EQ-L-IN
2
AUDIO-L
3
VCC
4
BUSY
5
R-FREQ
6
VPP
9
P06
7
P07
8
P04
11
P03
12
RESETB
16
GND
17
VDD
18
AMP-P
19
AMP-N
20
EQ-L-OUT
1
P05
10
P02
13
P01
14
P00
15
IC 5
NE78 F0 51X-4 8 P
R43 100K
S1 SW-PB
C52 470P
S2 SW-PB
R41 100K
AD KEY
5C
R57 47K
VOICE RESET VOICE BUSY VOICE CLK VOICE DATA
R59 10K
VCC
R56 270K
C56 0.1U
VCC
5C
C37 0.1U
VCC
R55 68K
C55 4.7U 6.3
AF-IN
C57
0.033U
5C
5C
D3 MA2S111
D4 MA2 S1 1 1
R51 100K
R50 100K
R49 100K
5C
C1 0.01U
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
CP4 1k*4
FU2 3.0A
RXD
RXD
C58 0.1U
Q13 DTA114 YE
R62 NC
R60 2.2K
R61 4.7K
Q14
DTC114EE
5C