Schematic Diagram - Kenwood TK-7180 Service Manual

U
TK-7180
DT
CN301
1
Fin
REF 2
CPGND
4.99V
3
4
5C
5 GND 6
CP
5C
4.99V
4.99V
X301
L77-1952-05
R362
MB VC VCC
0
L301
GND oUTPUT
5.6u
16.8MHz
R:4.82V
T:0V
T/R
AM1
C109
C102
R131
1000p 0 15p
TV
MI2
AFO
ME
64
X57-698 5/9
V

SCHEMATIC DIAGRAM

TX-RX UNIT (X57-6980-10)(C/3)
R308
PLL CP SW
IC302
3.9k
TC7S66FU
1
IN/OUT
VCC
R300
2
OUT/IN
10k
3
CP GND CONT
CPGND
5C
C309
C397
Fin
1000p
1000p
GND
REF C396
R304
1000p
47
C307 1000p
Q314 4.36V
DTA144EE
Q305,314
PLL F_IN
Q305
FILTER SW
DTC144EE
R303
PLL F_IN
560
DOUBLER AMP
Q301
2SC5108(Y) C316
1000p
1.14V
C113
C115
10p 18p
C119
C111 L105 L106
R109 R111
39n 27n
0 0
47p 1000p
R132
100k
RF BPF
TUNING
FL:2.1V
FC:3.8V
FH:6.8V
R129
100k
W
4.9V
5
R319
22
PLL SYSTEM IC
R320
4
100
4.90V
1 15
CPGND
MUXOUT
2 14
AGND LE
3 13
IC301
AGND
DATA
ADF4111BCP7
4 12
RFinB CLK
R321
5 11
CE
RFinA
10k
4.77V
A
D301 C319 C326 C387 D304
L306
68n
1000p 2p(B) 1000p
MA2S077 MA2S077
D301,302
D304,305
PLL F_IN
PLL F_IN
FILTER SW
FILTER SW
C325
D302 C337 C388 D305
L305
68n
1000p 3.5p(B) 1000p
MA2S077 MA2S077
7.86V
R117 C120
5.72V
2.2k
1000p
FRONT-END LNA
C124
R130
Q103
0.93V
2SC3357
7p 0
0.15V
X
TX-RX UNIT (X57-6980-10) (B/3)
4.98V
CN302
1k
R323 UL 1 2
R332 100 PLE
100 DT 3
R330 4
100 PCK
R327
GND 6
5
DGND
C318 C320
R318
1.2k
2.2u20 2.2u20
R317
Q302
2SC4116(BL)
0
R307
R311
Q303
2SC4116(BL)
0 1k
PLL LPF
2SC4116(BL)
PLL LPF
C130 C134 C138
10p 12p
12p
D103-106
RF BPF
TUNING
Y
5C
10.30V
11CL
R326 R333
CV
1.5k 0
PLL LPF
Q304
AM1
C142
33p
MI2
AFO
ME