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Kenwood TK-7180 - KO4BB's Home Page

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67<br />

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

AN<br />

AM<br />

AL<br />

AK<br />

AJ<br />

X57-698 8/9<br />

-t<br />

L13<br />

9.5T<br />

R30<br />

0<br />

C575 47u25<br />

CN427<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

16<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 />

R28<br />

8.2k<br />

L12<br />

5T<br />

C48<br />

2p(B)<br />

R652 560<br />

C574 22u16<br />

C562<br />

1u25<br />

C578 47u25<br />

R644<br />

1k<br />

C47<br />

0.5p(B)<br />

CN428<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

C547<br />

1000p<br />

C570<br />

1u<br />

C554<br />

100p<br />

C583<br />

470p<br />

C577<br />

0.1u<br />

C582 1000p<br />

R655<br />

0<br />

C566<br />

1u<br />

D416<br />

DAN202U<br />

AO1<br />

C551<br />

1000p<br />

C564 1u25<br />

AIO5<br />

C572 1000p<br />

AIO9<br />

DEO<br />

C57<br />

0.5p(B)<br />

AO2<br />

C79<br />

470p<br />

C548<br />

1000p<br />

C581<br />

1000p<br />

C579 1000p<br />

Q418<br />

DTC114EE<br />

D414<br />

DA204U<br />

AIO8<br />

SB<br />

D7<br />

HSM88AS<br />

AIO4<br />

R654<br />

0<br />

SB<br />

R630<br />

0<br />

AIO3<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8<br />

C576<br />

330u16<br />

AIO2<br />

C550<br />

100p<br />

C561<br />

0.1u<br />

D413<br />

DA204U<br />

SPO<br />

THP<br />

C560<br />

0.1u<br />

D8<br />

HSM88AS<br />

PA<br />

R22<br />

1k<br />

C573 1000p<br />

AIO1<br />

C553<br />

1000p<br />

C50<br />

47p<br />

F401<br />

F53-0352-05<br />

C61<br />

470p<br />

AIO7<br />

J401<br />

AIO6<br />

R648<br />

2.2k<br />

R636<br />

0<br />

R645<br />

5.6k<br />

DI<br />

TCTL<br />

SB<br />

R621<br />

0<br />

R653<br />

2.2<br />

C80<br />

470p<br />

C565 1u25<br />

C549<br />

C557<br />

1000p<br />

D6<br />

HSM88AS<br />

R623 47k<br />

C563<br />

1u25<br />

HOR<br />

R624 47k<br />

C559<br />

1000p<br />

C567<br />

100p<br />

C31<br />

470p<br />

R643<br />

470<br />

R625 4.7k<br />

ANT<br />

C552<br />

C58<br />

1.5p(B)<br />

D412<br />

DA204U<br />

5C<br />

R632<br />

47k<br />

C580 47u25<br />

C49<br />

470p<br />

C545<br />

1000p<br />

C556<br />

R629<br />

0<br />

Q419<br />

DTC363EU<br />

5C<br />

C555<br />

1000p<br />

R651 0<br />

TXD2<br />

C568<br />

1000p<br />

C546<br />

0.01u<br />

C558<br />

100p<br />

TH1<br />

100k<br />

5C<br />

C51<br />

470p<br />

RXD2<br />

R27<br />

82k<br />

R633<br />

0<br />

TXD1<br />

R642<br />

4.7k<br />

R622<br />

0<br />

R641<br />

4.7k<br />

C45<br />

43p<br />

L9<br />

5T<br />

R819<br />

56k<br />

C59<br />

470p<br />

L10<br />

5T<br />

L11<br />

5T<br />

C53<br />

39p<br />

R33<br />

150k<br />

C84<br />

470p<br />

C55<br />

27p<br />

C82<br />

0.5p(B)<br />

C60<br />

22p<br />

R26<br />

3.3k<br />

C30<br />

470p<br />

R23<br />

6.8k<br />

R31<br />

0<br />

C594<br />

1000p<br />

C83<br />

3p(B)<br />

RXD1EXT<br />

IC417<br />

TA7252AP<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

AUXIO9<br />

DEO<br />

RXD1<br />

SB<br />

AUXIO2<br />

TXD2<br />

AFO<br />

SB<br />

GND<br />

MI2<br />

AF MUTE SW<br />

AF<br />

CONTROL SW<br />

AF MUTE<br />

CONTROL<br />

GND<br />

SPI<br />

SB<br />

RF DETECTOR<br />

RF DETECTOR<br />

GND<br />

AUXO1<br />

SB<br />

RXD2<br />

AUXIO6<br />

RF DETECTOR<br />

SPO<br />

AUXIO4<br />

PA<br />

HOR<br />

SB<br />

5C<br />

ME<br />

TXD1<br />

NC<br />

EXT.SP<br />

AM1<br />

AUXIO8<br />

AUXIO3<br />

AUXIO7<br />

SB<br />

DI<br />

MI2<br />

AUXO2<br />

SB<br />

AUXIO5<br />

ME<br />

AUXIO1<br />

AFO<br />

8T<br />

AUDIO IC<br />

INPUT<br />

NF<br />

D.C<br />

GND<br />

OUTPUT<br />

BOOTSTRAP<br />

VCC<br />

D412-414<br />

SURGE PROTECT<br />

C1+<br />

V+<br />

C1-<br />

C2+<br />

C2-<br />

V-<br />

T2OUT<br />

R2IN<br />

R2OUT<br />

T2IN<br />

T1IN<br />

R1OUT<br />

R1IN<br />

T1OUT<br />

GND<br />

VCC<br />

LEVEL<br />

CONVERTER<br />

IC (RS-232C)<br />

IC416<br />

ADM202EARN<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

16<br />

1000p<br />

1000p<br />

1000p<br />

1.44V<br />

4.99V<br />

4.41V<br />

13.61V<br />

H:2.81V<br />

L:1.04V<br />

6.76V<br />

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

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