Kenwood TK-2180 Service Manual page 64

AJ
TX-RX UNIT (X57-6930-10)
L107
3T
5T
R:2.41V
T:0V
SP CONTROL
Q618
2SK1824
R:2.41V
T:0V
C700 47p
AFGND
5M
R781
D613
DA221
SSW CONTROL
ME
L602
PTT
L603
PF
PTT PF TXD RXD CONTROL
D609
DA221
RXD CONTROL
5CNS
RXD
TXD
RXD1
CPU_DGND
Note : The components marked with a dot (
AK
SCHEMATIC DIAGRAM
D106,107
ANT SW
D106
R:0V
T:1.80V
HVC131
C149
L116 L115 D107
5T 3T
100p
HVC131
AF POWER AMP
IC609
TDA7053AT
1 L608
16
NC1 OUT1+
2 15
VC1 NC4
3
14
NC2 PGND1
4 13 L609
VI<1> OUT1-
5 L610
12
VP OUT2-
6
11
VI<2> NC3
7 10
SGND PGND2
8
9
VC2 OUT2+
L611
L612
L607
0
R720
R717 100
100
D611
NNCD6.8G
L604
L605 R718 100
F53-0315-05
L606 R719 100
D610
DA221
TXD CONTROL
R755
L615 R768
100
0
MANDOWN
CONTROL
•
) are parts of layer 1.
AL
C152
L111 L112 R150
L113
7T 7T 6T
1000p
C154 C156 C158
18p(G)
9p(B) 13p(G)
R:0V
T:1.00V
L218
R263
0 56n
D211,213
ANT SW
R723
47
F601
AM
TK-2180
ANT
CN13
0
CN604 CN603
E23-1262-05 E23-1263-05
SP
CN602
E40-5856-05
14
SSW
13
SP+
12 SP-
11 MSW
10 EMC
9 ME
8 PTT
7 PF
6 OPT
5 E
4 5CNS
3 TXD
2
RXD
1 NC
RXEI
RXEO
TXO
RXI
RXO
TXI
TCONT
STON
R796
0
5A
INH
DI/ANI
OPT1
OPT3
OPT5
OPT4
OPT2
RSSI
TXD1
MANDN
R765
0
F602
F53-0315-05
SB2
SB2
OPT6
OPT6
TXI
TXI
RXEI
RXEI
RXEO
RXEO
TXO
OPT2
OPT2
INH
MAN DOWN
TCONT
TCONT
DI/ANI
DI/ANI
STON
5A
5A
AGND
AO
AO
AI
AGND
DGND
OPT5
OPT5
USEL
OPT4
OPT4
NC
TXD1
TXD1
R764
RXD1
OPT3
0
OPT3
OPT1
OPT1
CN600
E40-6389-05
AN
1
2
UNIVERSAL
CONNECTOR
3
GND
RXD
TXD
RXEI
RXEO
TXO
RXI
RXO
TXI
TCNT
STON
SB2
5A
INH
DI/A
4
OPT1
OPT3
OPT6
OPT5
OPT4
OPT2
RSSI
TXD1
RXD1
MDSW
GND
26
5
25
24
23
22
21
20
19
18
17
16
15
14
13
12
6
AI
11
10
9
8
7
6
5
4
3
2
1
7
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