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Kenwood TK-7180 - KO4BB's Home Page

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

OPTIONAL ACCESSORIES: KRK-10 (Control Head Remote Kit: 23ft/7m)<br />

■ Schematic Diagram<br />

INTERFACE UNIT (X46-3310-20) (A/2)<br />

CN1<br />

1<br />

SPI<br />

SPI<br />

2<br />

SPI<br />

3<br />

SPI<br />

4<br />

5<br />

SPI<br />

SPI<br />

6<br />

GND<br />

7<br />

8<br />

8C<br />

SB<br />

9<br />

SB<br />

10<br />

NC<br />

11<br />

PSW<br />

12<br />

GND<br />

13<br />

GND<br />

14<br />

MIC<br />

15<br />

ME<br />

16<br />

GND<br />

17<br />

PSENS<br />

18<br />

RST2<br />

19<br />

(LCDRST)<br />

20<br />

(LCDDI)<br />

21<br />

(LCDDO)<br />

22<br />

(CLK)<br />

23<br />

SHIFT<br />

24<br />

5C<br />

25<br />

NC<br />

26<br />

TXD<br />

27<br />

RXD<br />

28<br />

GND<br />

29<br />

(DM)<br />

30<br />

E40-6371-05<br />

D12<br />

D13<br />

D16<br />

D17<br />

D18<br />

D19<br />

D14<br />

D15<br />

D2<br />

C14 1000p<br />

1 G1<br />

2 A1<br />

3 Y2<br />

4 GND<br />

IC1<br />

8<br />

VCC<br />

7<br />

G2<br />

6<br />

Y1<br />

5<br />

A2<br />

D3<br />

Radio Side<br />

D4<br />

D5<br />

D6<br />

L2<br />

L3<br />

1u<br />

1u<br />

IC1 : TC7WT125FU<br />

D2 : MINISMDM075/24<br />

D3~6 : DA204U<br />

D12~19 : AVRM1608080MAA<br />

CN3<br />

1<br />

SPI<br />

2<br />

GND<br />

3<br />

8C<br />

4<br />

SB<br />

5<br />

GND<br />

6<br />

PSW<br />

7<br />

MIC<br />

8<br />

ME<br />

9<br />

PSENS<br />

10<br />

RXD<br />

11<br />

TXD<br />

12<br />

GND<br />

13<br />

SHIFT<br />

14<br />

RST2<br />

E40-6377-05<br />

INTERFACE UNIT (X46-3310-20) (B/2)<br />

CN4<br />

14<br />

SPI<br />

13<br />

GND<br />

12<br />

8C<br />

11<br />

SB<br />

10<br />

GND<br />

9<br />

PSW<br />

8<br />

MIC<br />

7<br />

ME<br />

6<br />

PSENS<br />

5<br />

RXD<br />

4<br />

TXD<br />

3<br />

GND<br />

2<br />

SHIFT<br />

1<br />

RST2<br />

E40-6377-05<br />

A<br />

IC2 : TC7WT125FU<br />

D9~11 : DA204U<br />

D20 : AVRM1608080MAA<br />

L5 1u<br />

L6 1u<br />

D9<br />

Display Side<br />

D10<br />

D11<br />

A<br />

A<br />

D20<br />

C41 1000p<br />

1 8<br />

G1 VCC<br />

2 7<br />

A1 G2<br />

3 IC2 6<br />

Y2 Y1<br />

4 5<br />

GND A2<br />

R1 47k<br />

A<br />

CN2<br />

30<br />

SPI<br />

29<br />

SPI<br />

28<br />

SPI<br />

27<br />

SPI<br />

26<br />

SPI<br />

25<br />

SPI<br />

24<br />

GND<br />

23<br />

8C<br />

22<br />

SB<br />

21<br />

SB<br />

20<br />

NC<br />

19<br />

PSW<br />

18<br />

GND<br />

17<br />

GND<br />

16<br />

MIC<br />

15<br />

ME<br />

14<br />

GND<br />

13<br />

PSENS<br />

12<br />

RST2<br />

11<br />

(LCDRST)<br />

10<br />

(LCDDI)<br />

9<br />

(LCDDO)<br />

8<br />

(CLK)<br />

7<br />

SHIFT<br />

6<br />

NC<br />

5<br />

5C<br />

4<br />

TXD<br />

3<br />

RXD<br />

2<br />

GND<br />

1<br />

(DM)<br />

E40-6412-05<br />

A<br />

77

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