Kenwood TK-80 Service Manual page 120

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AT UNIT (KAT-2) (OPTION) (X53-3630-20) (A/5)
K1
W2
1
AT2
D9
FINAL-CN6
SWITCHING
2
W1
AT1
1
FINAL-CN5
L1
2
CN1
ATD1
L2
CN2
ATD2
R5
180
R6
180
D1,2
DETECTION
(X53- ) (B/5)
W101
1
2
W102
1
2
K101
W103
8
1
24AT
28AT
21AT
24AT
18AT
21AT
28AT
18AT
FINAL
14AT
-CN11
14AT
4AT
7AT
7AT
4AT
GND
GND
1
8
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L15
100u
R13
4.0V
100
4.7V
C4
Q1
0.01u
2SC2714(Y)
1.5V
D4
1SS226
0.97V
Q1
AMPLIFIER
D3
D5
1SS226
1SS226
4.0V
R16
SWITCHING
100
1.5V
C7
Q2
0.01u
2SC2714(Y)
D7
1SS226
0.81V
Q2
AMPLIFIER
D6
D8
1SS226
1SS226
SWITCHING
IC6
4.7V
0.02V
NJM2903M
1
8
7
4.7V
2
6
3
4
5
C10
1000p
COMPARATOR
D101-104
SWITCHING
L101
K103
K102
K104
manuals search engine
14V
14V
5V
5V
ANALOG SWITCH
IC1
SN74S74NS
TC4066BF
D-FF
1
2
3
4
5
6
0.42V
7
0.33V
1
2
3
4
5
6
7
GND
GND
14AT
14AT
4AT
4AT
7AT
7AT
GND
GND
Q3
SWITCHING
IC4
MOTOR DRIVE
BA6109U2
IC2
0V
0.02V
13.6V
0.09V
14
R34
0
13
12
0V
11
10
0V
100u
9
8
Q3
100u
DTC114EK
R37
0
IC5
MOTOR DRIVE
ANALOG SWITCH
BA6109U2
IC3
0V
TC4066BF
0.02V
13.6V
0.09V
14
13
12
0V
11
L6
10
0V
100u
9
8
L5
100u
R38
0
L102
L103
L104
L105
L106
D105-107
SWITCHING
W105
(X53- ) (D/5)
K105
K106
K107
L8 100u
0.02V
L7 100u
4.1V
Q6
DTD143EK
SWITCHING
L3
CN3
GND
16
L4
GND
5V
14V
R42
ATI
L13 100u
0
SPED
L12 100u
APRE
L14 100u
ATA
CONTROL
PR11
-CN6
PR12
PR21
PR22
ATG
L11 100u
VREF
L10 100u
POD2
L9 100u
13.6V
POD1
Q4
1
2SA1204(Y)
13.8V
0.11V
13.6V
0V
Q5
DTC114EK
Q4,5
SWITCHING
1
8
CN4
1
2
1
3
1
4
W106
W104
M2
M1
M
M
(X53- ) (E/5)
(X53- ) (C/5)
GND
GND
5V
14V
ATI
SPED
APRE
ATA
PR11
PR12
PR21
PR22
ATG
VREF
POD2
POD1

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