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Kenwood TK-7180 - KO4BB's Home Page

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-t<br />

AE AF AG AH AI<br />

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

IC1<br />

RA30H1317M<br />

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

POWER MODULE<br />

C1<br />

R2<br />

C2<br />

R6<br />

180<br />

C3<br />

470p<br />

1.10V<br />

C9<br />

Q2<br />

2SC5192<br />

C16<br />

L14<br />

33n<br />

C64<br />

R16<br />

47<br />

R17<br />

C21<br />

C44<br />

1000p<br />

R1<br />

18<br />

270<br />

R3<br />

470p<br />

R4 270<br />

33k<br />

R5<br />

6.8k<br />

Q1<br />

2SC5108(Y)<br />

R7<br />

10<br />

C4<br />

R8<br />

470<br />

L1<br />

470p<br />

C5<br />

470p<br />

82n<br />

33p<br />

R10 2.7k<br />

R11 560<br />

C10<br />

470p<br />

R12<br />

15<br />

C13<br />

R13<br />

470p<br />

56p<br />

330<br />

L3<br />

68n<br />

C63<br />

10p<br />

27p<br />

C17 22p<br />

C65<br />

C19 47p<br />

27p<br />

C20 100p R15<br />

C22 470p 220<br />

47<br />

D1<br />

R18<br />

470p<br />

02DZ5.6(X,Y) 220<br />

C24<br />

C23<br />

4.7u10<br />

L4<br />

27p<br />

L5<br />

L6<br />

120p<br />

L2<br />

C33<br />

R25<br />

120<br />

L7<br />

100p<br />

10T<br />

1/2<br />

C34 100p<br />

C38 470p<br />

L8<br />

5T<br />

R9<br />

C14<br />

470p<br />

C8<br />

470p<br />

C26 22p<br />

C27 47p<br />

R14<br />

22<br />

C7<br />

0<br />

470p<br />

R21<br />

C15<br />

220<br />

470p<br />

C28 100p<br />

C29 470p<br />

C32 47u25<br />

C35 100p<br />

C39 470p<br />

R38<br />

0<br />

D2<br />

XB15A709<br />

C43<br />

18p<br />

R19<br />

150<br />

C6<br />

4.7u16<br />

R71<br />

56k<br />

1 8<br />

OUT1 VCC<br />

2 7<br />

IN1- OUT-B<br />

3 6<br />

IN1+ IN2-<br />

4 5<br />

VEE IN2+<br />

1<br />

8<br />

OUT1 VCC<br />

2<br />

7<br />

IN1- OUT-B<br />

3<br />

6<br />

IN1+ IN2-<br />

4 5<br />

VEE IN2+<br />

C76<br />

470p<br />

R81<br />

100k<br />

820p<br />

R84<br />

100k<br />

R90<br />

390k<br />

C77<br />

470p<br />

R82<br />

100k<br />

C74<br />

470p<br />

R87<br />

100k<br />

C75<br />

820p<br />

Q72<br />

2SK1824<br />

5C<br />

C18<br />

470p<br />

C40<br />

470p<br />

1 RF_IN<br />

2 1ST_DC<br />

3 2ND_DC<br />

4 RF_oUT<br />

TX DRIVER<br />

D3,4<br />

ANT SW<br />

D3<br />

0.84V<br />

TX PRE-DRIVER<br />

1.14V<br />

0.89V<br />

7.78V<br />

H:4.44V<br />

L:3.33V<br />

H:13.13V<br />

L:13.42V<br />

1.55V<br />

XB15A407A2GB<br />

D4<br />

XB15A407A2GB<br />

7.55V<br />

VOLTAGE<br />

PROTECTION<br />

0.80V<br />

7.81V<br />

ANT SW<br />

TX GATE SW<br />

Q3<br />

DTC114EE<br />

8T<br />

DC AMP<br />

FOR TX APC<br />

8T<br />

AM1<br />

R72<br />

33k<br />

GSW<br />

R76<br />

R75<br />

PC<br />

100k<br />

39k<br />

R77<br />

100k<br />

IC71<br />

TA75W01FU<br />

DC AMP<br />

FOR TX APC<br />

R78<br />

100k<br />

MP<br />

R79<br />

180k<br />

+B<br />

Q73<br />

DTC114EE<br />

HIGH/LOW<br />

POWER SW<br />

H/L<br />

C73<br />

R85<br />

100k<br />

IC72<br />

TA75W01FU<br />

R86<br />

390k<br />

R88<br />

100k<br />

R89<br />

47k<br />

HIGH/LOW<br />

POWER SW<br />

AM1<br />

5R<br />

4.96V<br />

CFSW<br />

5C<br />

R209<br />

10<br />

4.99V<br />

4.94V<br />

R187<br />

3.3k<br />

R186 C205<br />

330 0.01u<br />

L186<br />

10u<br />

C207<br />

1000p<br />

R188<br />

68<br />

C208<br />

0.01u<br />

4.37V<br />

C212<br />

470p<br />

4.99V<br />

X171<br />

L77-1762-05<br />

C215<br />

18p<br />

C216<br />

C217<br />

15p<br />

1000p<br />

L189<br />

R193<br />

1u<br />

47k<br />

C218<br />

0.01u<br />

C219<br />

1u<br />

C221<br />

0.1u<br />

FM IF SYSTEM IC<br />

IC172<br />

TA31136FN<br />

1 OSCIN 16<br />

MIXIN<br />

2 OSCOUT 15<br />

GND<br />

3 MIXOUT 14<br />

N-REC<br />

4 VCC 13<br />

N-DET<br />

5 IFIN 12<br />

RSSI<br />

6 DEC 11<br />

IFOUT<br />

7 FILOUT 10<br />

QUAD<br />

8 FILIN 9<br />

AFOUT<br />

C259 10u10<br />

C230 0.01u<br />

C232 1000p<br />

C231<br />

82p<br />

R205<br />

3.3k<br />

R208 3.9k<br />

CD171<br />

L79-1701-05<br />

R210<br />

2.7k<br />

W/N DISCRETE SW<br />

Q178<br />

DTA144EE<br />

DET MUTE SW<br />

Q176<br />

2SK1824 C237<br />

22u6.3<br />

C238<br />

0.01u<br />

W/N<br />

RXDET<br />

0.84V<br />

IF AMP<br />

Q172<br />

2SC5108(Y)<br />

0.07V<br />

L187<br />

100n<br />

C209<br />

0.01u<br />

R217<br />

0<br />

C211<br />

10p<br />

N:4.85V<br />

R204<br />

C241<br />

2.2k<br />

C229<br />

1000p<br />

C227<br />

0.033u<br />

1000p<br />

C233<br />

1000p<br />

C235<br />

0.1u<br />

R212<br />

100k<br />

D174<br />

MA2S111<br />

DMUTE<br />

R185<br />

820<br />

C206<br />

0.01u<br />

R189<br />

10<br />

C210<br />

68p<br />

L188<br />

820n<br />

W/N CF SW<br />

CONTROL<br />

Q173<br />

DTA114EE<br />

C214<br />

R190<br />

0.1u<br />

15k<br />

C239<br />

0.1u<br />

R191<br />

22k<br />

W/N CF SW<br />

D171<br />

DAN235E<br />

CF171<br />

L72-0986-05<br />

CF172<br />

L72-0998-05<br />

R194<br />

22k<br />

W/N CF SW<br />

D172<br />

DAN235E<br />

C220<br />

R196<br />

0.1u<br />

15k<br />

C222<br />

R197<br />

1000p<br />

330k<br />

C224<br />

270p<br />

C225<br />

270p<br />

R198<br />

R202<br />

R203<br />

4.7k<br />

3.3k<br />

R200<br />

R206<br />

1k<br />

Q177,180<br />

W/N CF SW<br />

CONTROL<br />

Q177<br />

DTC144EE<br />

DET MUTE<br />

SW CONTROL<br />

C144<br />

0.01u<br />

R222<br />

1k<br />

Q180<br />

DTC144EE<br />

C236<br />

0.01u<br />

RSSI<br />

C213<br />

0.01u<br />

W/N CF SW<br />

CONTROL<br />

Q174<br />

DTC144EE<br />

R192<br />

C240<br />

22k<br />

0.1u<br />

W:4.96V<br />

R195<br />

22k<br />

330k<br />

NOISE AMP<br />

Q175<br />

2SC4617(Q)<br />

C223<br />

0.01u<br />

R199<br />

56<br />

3.3k<br />

C226<br />

1000p<br />

D173<br />

RB706F-40<br />

C228<br />

0.1u<br />

SQ NOISE-AMP<br />

DETECTOR<br />

R207<br />

47k<br />

TH171<br />

47k<br />

R221<br />

47k<br />

C234<br />

0.22u<br />

ASQ<br />

MI2<br />

AFO<br />

MI2<br />

AFO<br />

ME<br />

ME<br />

66<br />

X57-698 7/9

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