Kenwood TK-7180 - KO4BB's Home Page
Kenwood TK-7180 - KO4BB's Home Page
Kenwood TK-7180 - KO4BB's Home Page
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65<br />
SCHEMATIC DIAGRAM <strong>TK</strong>-<strong>7180</strong><br />
AD<br />
AC<br />
AB<br />
AA<br />
Z<br />
X57-698 6/9<br />
R359<br />
150<br />
10CL<br />
R178<br />
0<br />
C185<br />
0.01u<br />
Q310<br />
DTC114EE<br />
R361<br />
330<br />
MOD<br />
C252<br />
1000p<br />
L185<br />
68n<br />
C376<br />
1000p<br />
R355<br />
270<br />
C197<br />
0.01u<br />
8T<br />
TC301<br />
8p<br />
D314<br />
1SV278<br />
C369<br />
1000p<br />
R251<br />
1k<br />
C384<br />
0.01u<br />
C183<br />
0.01u<br />
C257<br />
1u 25<br />
R181<br />
330<br />
C190<br />
39p<br />
R257<br />
15k<br />
R356<br />
10k<br />
C256<br />
0.01u<br />
C196<br />
0.01u<br />
TC302<br />
8p<br />
R256<br />
120k<br />
C201 4p<br />
L319<br />
82n<br />
C192<br />
0.01u<br />
1<br />
G1 2<br />
D1 3<br />
D2<br />
4 S2<br />
5 S1<br />
6 G2<br />
C200 4p<br />
R334<br />
0<br />
R255<br />
0<br />
C253<br />
0.01u<br />
R183<br />
68<br />
R343<br />
4.7k<br />
C184<br />
1000p<br />
R357<br />
10k<br />
C380<br />
470p<br />
R351<br />
4.7k<br />
C195<br />
1000p<br />
C187<br />
39p<br />
R348<br />
10k<br />
C382<br />
0.01u<br />
C251<br />
1000p<br />
R176<br />
47<br />
C188 4p<br />
C199<br />
39p<br />
C371<br />
10u6.3<br />
2SC5108(Y)<br />
Q313<br />
L175<br />
R252<br />
4.7k<br />
D251<br />
1SS388<br />
D313<br />
BB664<br />
L180<br />
68n<br />
L181<br />
10u<br />
C383<br />
1000p<br />
R180<br />
820<br />
R347<br />
4.7k<br />
C378<br />
1000p<br />
R350<br />
22k<br />
R367<br />
3.3k<br />
C198<br />
68p<br />
C343<br />
10u10<br />
R254<br />
0<br />
D311<br />
BB664<br />
C342<br />
1000p<br />
C370<br />
470p<br />
R360<br />
330<br />
L184 390n<br />
R375<br />
1k<br />
C193<br />
0.01u<br />
5R<br />
C202<br />
39p<br />
L182<br />
100n<br />
1<br />
PGND<br />
2<br />
GND<br />
3<br />
FB<br />
4<br />
SHDN<br />
5<br />
VCC<br />
6<br />
LX<br />
L183 390n<br />
D308 BB664<br />
R353<br />
4.7k<br />
C182<br />
0.01u<br />
T/R<br />
L179 390n<br />
R336<br />
1k<br />
C385<br />
470p<br />
L178 390n<br />
C255<br />
10u16<br />
R366<br />
2.2k<br />
L177<br />
270n<br />
C258<br />
4.7u16<br />
L251<br />
10u<br />
R258<br />
22<br />
C352<br />
15p<br />
5R<br />
R337<br />
10k<br />
C194<br />
0.01u<br />
R184<br />
10<br />
C367<br />
1000p<br />
C374<br />
1000p<br />
R177<br />
1k<br />
D315<br />
HVC131<br />
C379<br />
15p<br />
R182<br />
3.3k<br />
R253<br />
10k<br />
C186 33p<br />
R335<br />
0<br />
C368<br />
1000p<br />
C204<br />
0.01u<br />
5R<br />
D316<br />
HVC131<br />
C189 4p<br />
L310<br />
2.7u<br />
D309 BB664<br />
D307 BB664<br />
D312<br />
BB664<br />
L312<br />
2.7u<br />
C346<br />
68p<br />
C350<br />
47p<br />
L314<br />
50n<br />
L315<br />
2.7u<br />
C353<br />
1000p<br />
C357<br />
15p<br />
C355<br />
15p<br />
C360<br />
15p<br />
R342<br />
180<br />
L317<br />
2.7u<br />
C362<br />
1000p<br />
2SC4116(GR)<br />
Q308<br />
R352 33<br />
D310<br />
BB664<br />
D306 BB664<br />
L309<br />
3.3u<br />
L311<br />
3.3u<br />
C347<br />
68p<br />
L313<br />
35.5n<br />
R338<br />
10k<br />
C354<br />
56p<br />
C356<br />
0.75p<br />
C359<br />
9p<br />
C358<br />
10p<br />
R339<br />
100k<br />
R340<br />
100<br />
C364<br />
1p<br />
L316<br />
3.3u<br />
R341<br />
330<br />
C361<br />
1000p<br />
R346<br />
100<br />
C363<br />
1000p<br />
C392<br />
1000p<br />
R370<br />
1k<br />
R354<br />
330<br />
L318<br />
82n<br />
R349<br />
27k<br />
C373<br />
1000p<br />
C390<br />
1000p<br />
C391<br />
1000p<br />
C365<br />
1p<br />
R345<br />
100<br />
R344<br />
100<br />
C372<br />
15p<br />
C375<br />
1000p<br />
R358<br />
8.2k<br />
C377<br />
1000p<br />
C393<br />
27p<br />
C394<br />
22p<br />
L320<br />
39n<br />
C381<br />
1000p<br />
R365<br />
2.2k<br />
C173<br />
22p<br />
C171<br />
15p<br />
C174<br />
7p<br />
C172<br />
2.5p<br />
L171<br />
27n<br />
C175<br />
12p<br />
L172<br />
22n<br />
R171<br />
820<br />
R172<br />
5.6<br />
R173<br />
820<br />
R179<br />
1k<br />
C181<br />
1000p<br />
C178<br />
1000p<br />
L174<br />
L39-1421-05<br />
R175<br />
2.2k<br />
C177<br />
1000p<br />
R174<br />
68<br />
C176<br />
1000p<br />
R126<br />
33<br />
R127<br />
180<br />
R125<br />
180<br />
5C<br />
AM1<br />
AFO<br />
TX/RX<br />
VCO SW<br />
TX/RX<br />
VCO SW<br />
MI2<br />
TX/RX<br />
VCO SW<br />
ME<br />
REVERSE<br />
VOLTAGE<br />
PROTECTION<br />
MODULATION<br />
CONTROL<br />
FOR TX VCO<br />
CV<br />
VCO BUFFER<br />
AMP<br />
AM1<br />
8T<br />
CV<br />
11CL<br />
CV<br />
L173<br />
L39-1421-05<br />
IC171<br />
SPM5001<br />
RX 1ST MIXER<br />
L176<br />
L39-1421-05<br />
XF171<br />
L71-0618-05<br />
2SC5108(Y)<br />
Q171<br />
IF AMP<br />
XF171<br />
L71-0618-05<br />
AFO<br />
MI2<br />
ME<br />
IC251<br />
MAX5026EUT+T<br />
DC-DC CONVERTER<br />
2SC4617(S)<br />
Q251<br />
RIPPLE<br />
FILTER<br />
FREQUENCY<br />
CONTROL FOR<br />
TX/RX VCO<br />
D307,309,312,313<br />
2SK508NV(K52)<br />
Q306<br />
TX/RX VCO<br />
D306,308,310,311<br />
FREQUENCY<br />
CONTROL FOR<br />
TX/RX VCO<br />
2SC4116(GR)<br />
Q309<br />
VCO BUFFER AMP<br />
2SC5108(Y)<br />
Q311<br />
2SK508NV(K52)<br />
Q307<br />
TX/RX VCO<br />
2SC4617(S)<br />
Q312<br />
RIPPLE FILTER<br />
TX/RX<br />
BAND SW<br />
D315,316<br />
7.81V<br />
4.28V<br />
0.87V<br />
4.35V<br />
4.97V<br />
4.98V<br />
R:0V<br />
T:2.40V<br />
R:4.88V<br />
T:0V<br />
4.01V<br />
1.43V<br />
0.84V<br />
4.96V<br />
4.41V<br />
0.07V<br />
4.40V<br />
3.94V<br />
3.44V<br />
3.90V<br />
0.74V<br />
TX-RX UNIT (X57-6980-10) (B/3)
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