Kenwood TK-80 Service Manual page 90

Hf ssb radiotelephone
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F
FINAL UNIT (X45-3520-21) (A/2)
D701
LFB01
D702
LFB01
D703
LFB01
D704
LFB01
D705
LFB01
D706
LFB01
D701-706
RELAY
SURGE
ABSORPTION
LPF6
LPF5
LPF2
LPF3
LPF4
TXB
14AF
14AG
5A
DGND
8A
14S
14V
PSC
THP
BOVR
Note : The components marked with a dot (
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G
L101
L102
C102
C104
470p
150p
-2.399MHz
L201
L202
C202
C204
330p
120p
2.4 - 4.499MHz
L301
L302
C302
C304
150p
56p
4.5 - 7.999MHz
L401
L402
C402
C404
47p
120p
8 - 14.499MHz
L501
L502
C502
C504
15p
47p
14.5 - 21.499MHz
L601
L602
C602
C604
12p
47p
21.5 - 30MHz
Q14
FMA5
IC4
BAND DATA DECODER
0V
IC4
BU2099FV
11
Q5
12
Q21
Q6
13
DTB143EK
0V
Q7
14
Q8
15
Q9
16
Q10
17
Q19
Q11
18
DTB143EK
0V
SO
19
OE
20
VDD
C61
Q20
DTB143EK
13.5V
0.01u
Q14,19-21
SIGNAL
SWITCH
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H
SCHEMATIC DIAGRAM
L701
C701
LPF1
100u
0.01u
L702
C702
LPF2
100u
0.01u
L703
C703
LPF3
100u
0.01u
L704
C704
LPF4
100u
0.01u
L705
C705
LPF5
100u
0.01u
L706
C706
LPF6
0.01u
100u
Q18
FMA5
0V
0V
Q17
FMA5
10
0V
Q4
9
Q3
8
Q2
7
Q1
0V
6
Q16
Q0
FMA7A
5
LCK
4
0V
CLK
3
13.5V
DATA
2
NC
1
VSS
Q15
FMA7A
0V
0V
Q15-18
SIGNAL
SWITCH
) are parts of layer 1.
I
L18
L17
L19
D10
D11
2.2m
2.2m
1SS101
1SS101
Q13
R : 0V
SIGNAL
T : 13.4V
SWITCH
K2
Q13
FMC2
L20
0.27u
D12
13.6V
RELAY
SURGE
ABSORPTION
R : 0V
R101
T : 8.0V
SPIKE SURGE
ABSORPTION
CN104
VSR
8.0V
F2
4A
8.0V
J
TK-80
D10,11
RF
DETECTION
L21
CN7
0.27u
RAT
TX-RX-CN1
CN5
AT1
AT1
AT(A/5)-W1
(OPTION)
GND
CN6
AT2
AT2
AT(A/5)-W2
(OPTION)
GND
ANT
W2
ANT
0
ANT GND
CN9
CN10
1
GND
GND
VSF
VSF
VSR
VSR
TXB
TXB
TX-RX
14AG
-CN15
14AG
14AF
14AF
8A
8A
14S
14S
8
CN11
8
28AT
28AT
24AT
24AT
21AT
21AT
18AT
18AT
AT(B/5)
14AT
-W103
14AT
(OPTION)
7AT
7AT
4AT
4AT
GND
GND
1
CN4
EXT.AT
1
GND
TS
TT
AGND
14S
5
CN3
1
TT
TT
TS
TS
R42 100
FEN4
FEN4
R41 100
UCK
UCK
R40 100
UDA
UDA
DGND
DGND
THP
THP
BOVR
BOVR
CONTROL
PSC
-CN3
PSC
5A
5A
14V
14V
14S
14S
8A
8A
GND
GND
NC
NC
NC
NC
16
81
X45-352 2/2
1
2
3
4
5
6
7

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