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Kenwood TK-7180 - KO4BB's Home Page

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63<br />

SCHEMATIC DIAGRAM <strong>TK</strong>-<strong>7180</strong><br />

T<br />

S<br />

R<br />

Q<br />

P<br />

X57-698 4/9<br />

A<br />

A<br />

R620<br />

220k<br />

2SJ243<br />

Q417<br />

C542<br />

1000p<br />

R606<br />

0<br />

R570<br />

150k<br />

R599<br />

180k<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8<br />

9<br />

10 TCLK/DTRDO<br />

11 TDATA/DTRCLK<br />

12 DI/O<br />

13 RDF/FD<br />

14 SCLK<br />

15 DIR<br />

16 XOUT<br />

17<br />

18<br />

19<br />

20<br />

21<br />

22<br />

23<br />

24<br />

25<br />

26<br />

27<br />

28<br />

29<br />

30<br />

31<br />

32<br />

C513<br />

1000p<br />

R560<br />

390k<br />

D409<br />

MA742<br />

R611<br />

10k<br />

C538<br />

1000p<br />

R578<br />

0<br />

C488<br />

12p(G)<br />

2SJ243<br />

Q416<br />

C533<br />

0.015u<br />

R563<br />

390k<br />

C476<br />

0.1u<br />

2SK1824<br />

Q412<br />

R584<br />

0<br />

2SJ243<br />

Q413<br />

R601<br />

470k<br />

C531<br />

1000p<br />

R582<br />

1M<br />

D408<br />

MA742<br />

C519<br />

1000p<br />

R607<br />

270k<br />

C524<br />

1000p<br />

R595<br />

270k<br />

R609<br />

22k<br />

C484 4.7u<br />

R585<br />

180k<br />

5C<br />

R598<br />

4.7k<br />

R616<br />

4.7k<br />

R568<br />

120k<br />

C489 0.1u<br />

AUDIH<br />

C534<br />

1000p<br />

C512<br />

1000p<br />

C461<br />

0.01u<br />

R617<br />

100k<br />

RXAO<br />

C495<br />

180p<br />

C541<br />

0.1u<br />

R586<br />

2.2k<br />

AO<br />

2SJ243<br />

Q414<br />

R615<br />

4.7k<br />

R603<br />

0<br />

C506<br />

1u<br />

T/R<br />

R602<br />

1M<br />

R614<br />

0<br />

R619<br />

100k<br />

Q409<br />

DTC363EU<br />

TXAI<br />

R583<br />

0<br />

C520<br />

1000p<br />

R612<br />

100k<br />

AI<br />

C468<br />

0.01u<br />

TXAO<br />

C592<br />

7p<br />

C529<br />

47p<br />

RXEMAO<br />

R531<br />

10k<br />

R613<br />

100k<br />

C528<br />

2200p<br />

R590<br />

0<br />

RXAI<br />

RXEMAI<br />

R589<br />

0<br />

C503<br />

68p<br />

C593<br />

7p<br />

C507<br />

0.1u<br />

AM2<br />

C530<br />

10u<br />

1<br />

1Y<br />

2<br />

0Y<br />

3<br />

1Z<br />

4<br />

ZCoM<br />

5<br />

0Z<br />

6<br />

INH<br />

7<br />

VEE<br />

8<br />

GND<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

16<br />

R604<br />

0<br />

C485<br />

1u<br />

R592<br />

0<br />

C591<br />

0.1u<br />

C518<br />

0.1u<br />

C497<br />

1000p<br />

AFDIR<br />

R588<br />

4.7k<br />

AFRTM<br />

C496<br />

0.1u<br />

C480<br />

1000p<br />

R594<br />

680<br />

R596<br />

0<br />

AFDIO<br />

R524<br />

10k<br />

C493 4.7u<br />

AFDAT<br />

C483<br />

0.01u<br />

R558<br />

390k<br />

C543<br />

10u10<br />

R587<br />

150k<br />

AFSTD<br />

C532<br />

0.012u<br />

DTRLOAD<br />

C544<br />

10u10<br />

C525<br />

0.1u<br />

TCLK/DTRDO<br />

C514<br />

82p<br />

C537<br />

0.1u<br />

5C<br />

R569<br />

100k<br />

C505<br />

1u<br />

C501<br />

22p<br />

R597<br />

1M<br />

C539<br />

10u10<br />

C536<br />

0.1u<br />

R608<br />

180k<br />

R573<br />

6.8k<br />

R600<br />

4.7k<br />

C540<br />

10u10<br />

1<br />

2<br />

3<br />

4<br />

VSS<br />

5<br />

6<br />

7<br />

8<br />

VDD<br />

R610<br />

150k<br />

C482 4.7u<br />

R579<br />

22k<br />

R571<br />

120k<br />

C526<br />

0.1u<br />

C535<br />

0.068u<br />

C511<br />

0.068u<br />

D419<br />

1SS388<br />

R665<br />

4.7k<br />

D420<br />

1SS388<br />

R618<br />

220k<br />

C499<br />

820p<br />

R667<br />

33k R666<br />

100k<br />

R559<br />

100k<br />

R669<br />

4.7k<br />

STSW<br />

OPT6<br />

BEEP<br />

MM1<br />

MIC<br />

AF MUTE SW<br />

AM1<br />

AM1<br />

DT<br />

AGND<br />

MIC MUTE SW<br />

AF SW<br />

V_REF<br />

AF<br />

MUTE<br />

SW<br />

AF SW<br />

Q416,417<br />

MM2<br />

MIC MUTE<br />

CONTROL<br />

DT<br />

MIC MUTE<br />

CONTROL<br />

STSW<br />

SCSW<br />

CK<br />

RXC<br />

ME<br />

OPT6<br />

LSDIN<br />

AM1<br />

LIMLV<br />

LSDIN<br />

RXC<br />

CK<br />

AF<br />

AF<br />

C<br />

B<br />

A<br />

0X<br />

1X<br />

XCoM<br />

YCoM<br />

VCC<br />

IC413<br />

TC7MZ4053FK<br />

AF SW IC<br />

XIN<br />

VSS<br />

AMP3P<br />

AMP3N<br />

AMP3O<br />

AMP4P<br />

AMP4N<br />

AMP4O<br />

DTRAIN<br />

RXAF<br />

RXAFIN<br />

EXPOUT<br />

FILTERO<br />

RXINO<br />

RXIN<br />

AGND<br />

AGNDIN<br />

TXIN<br />

TXINO<br />

LIMLV<br />

EXTLIMIN<br />

MOD<br />

VDD<br />

DTRLOADN<br />

STD<br />

IC415<br />

AQUA-L<br />

X403<br />

3.6864MHz<br />

L77-1965-05<br />

MI2<br />

AFO<br />

ME<br />

Q415<br />

HN1L02FU<br />

AF SW<br />

(VOICE)<br />

R566<br />

1M<br />

C517<br />

0.01u<br />

R567<br />

390k<br />

C491<br />

0.1u<br />

C492<br />

0.1u<br />

R576<br />

220k<br />

2SC4116(Y)<br />

Q410<br />

2SA1586(Y,GR)<br />

Q411<br />

MIC AGC<br />

MIC AGC<br />

IC414<br />

TC75W51FU<br />

MIC AMP<br />

D408,409<br />

MIC-AMP<br />

AGC DETECTOR<br />

R581<br />

150<br />

R580<br />

150<br />

Q421<br />

DTA144EE<br />

MIC MUTE SW<br />

+<br />

+<br />

–<br />

–<br />

4.88V<br />

4.83V<br />

2.49V<br />

R:4.98V<br />

T:0V<br />

R:4.92V<br />

T:0V<br />

R:4.90V<br />

T:0V<br />

2.81V<br />

2.49V<br />

4.93V<br />

2.50V<br />

4.98V<br />

4.98V<br />

TX-RX UNIT (X57-6980-10) (B/3)

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