Kenwood TK-8180 - Manual (Page 71)

67
SCHEMATIC DIAGRAM
TK-8180
AN AM AL AK AJ
X57-699 8/9
-t
J401
R654
0
C581 1000p
C583
470p R655
0
D6
HSM88AS
ANT
D7
HSM88AS
CN428
1
2
3
4
5
6
C57
L10
1.5T
C48
L13 9.5T C53 10p
C58
L9
1.5T
C60 6p C50 8p C45 3p C47
L12
1.5T
R26 10k C51 100p
R27 100k C49 100p C59 100p R29 82k
C61 100p
C52
C55
C56 100p R24 100k
D8
HSM88AS
C62 100p
R33
0 C79 470p
TH1 100k
C30 470p
C31 470p
R23 6.8k
C80 470p
R22 1k
R31 3.3k
R625
4.7k
R624
47k
C565
1u25
R630
0
D414
DA204U
1000p
R622
0
C546 0.01u
C559 1000p
R623
47k
R621
0
F401
F53-0352-05
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
R633
0
R629
0
R643 470
C563 1u25
D413
DA204U
1000p
D412
DA204U
C567 100p
R636
0
C564
1u25
C562 1u25
CN427
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Q418
DTC114EE
C570
1u
C574
22u16
R642 4.7k
C560 0.1u
1 2 3 4 5 6 7
R648
2.2k
R653 2.2
C576 330u16
C577 0.1u
R641
4.7k
R632 47k
Q419
DTC363EU
R651
0
R645 5.6k
C561 0.1u
D416
DAN202U
C566
1u
R644 1k
R30
0
5C
TCTL
HOR
PA
SPO
AIO6
AIO7
AIO1
AIO2
AIO3
AIO4
AIO8
AIO5
AO1
AO2
DEO
AIO9
5C
SB
DI
TXD2
TXD1
RXD2
5C
THP
SB
INPUT NF D.
C
GND OUT PUT BOO
TSTRAP
VCC
SB
RXD1EXT
EXT.SP
SB
SPI
GND
HOR
PA
SPO
AUXIO4
AUXIO6
RXD2
SB
AUXO1
GND
GND
SB
TXD2
AUXIO2
SB
RXD1
DEO
AUXIO9
AFO
AUXIO1
AUXIO5
SB
AUXO2
MI2
SB
AUXIO7
AUXIO3
AUXIO8
NC
TXD1
ME
5C
SB
LEVEL
CONVERTER
IC (RS-232C)
AF MUTE
CONTROL
AF MUTE
CONTROL SW
AF MUTE SW
RF DETECTOR
DI
ME
MI2
AFO
AM1
8T
RF DETECTOR RF DETECTOR
0.5p(B)
3p(B)
2p(B)
0.5p(B) 0.5p(B)
2p(B) 1000p 1000p 47u25 47u25 1000p 47u25 560 1000p
C582 C572 C575 C579 C578 R652 C580 C573
C555 1000p C545 1000p C551 1000p C548 1000p C547 1000p
C549 1000p C552 1000p C556 1000p
C557 1000p C553 1000p
C558 100p C550 100p C554 100p
SURGE PROTECT
D412-414
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN R2OUT
T2IN
T1IN
R1OUT
R1IN
T1OUT
GND
VCC
IC416
ADM202EARN
C825 C568
IC417
TA7252AP
AUDIO IC
4.99V
1.44V
13.61V
4.41V
6.76V
TX-RX UNIT (X57-6990-10) (B/3)