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Kenwood TK-7180 - KO4BB's Home Page

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59<br />

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

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

J<br />

I<br />

H<br />

G<br />

F<br />

X54-348 2/2<br />

-t<br />

C908 1000p<br />

C907 1000p<br />

S1<br />

S2<br />

S3<br />

S4<br />

S5<br />

S6<br />

S7<br />

S8<br />

S9<br />

S10<br />

S11<br />

S12<br />

S13<br />

S14<br />

S15<br />

S16<br />

S17<br />

S18<br />

S19<br />

S20<br />

S21<br />

S22<br />

S23<br />

S24<br />

S25<br />

26<br />

S26<br />

27<br />

S27<br />

28<br />

S28<br />

29<br />

S29<br />

30<br />

S30<br />

31<br />

S31<br />

32<br />

S32<br />

33<br />

S33<br />

34<br />

S34<br />

35<br />

S35<br />

36<br />

S36<br />

37<br />

S37<br />

38<br />

S38<br />

39<br />

S39<br />

40<br />

S40<br />

41<br />

S41<br />

42<br />

S42<br />

43<br />

S43<br />

44<br />

S44<br />

45<br />

S45<br />

46<br />

S46<br />

47<br />

S47<br />

48<br />

S48<br />

49<br />

S49<br />

50<br />

S50<br />

51<br />

52<br />

53<br />

54<br />

55<br />

56<br />

57<br />

58<br />

59<br />

60<br />

61<br />

62<br />

63<br />

64<br />

65<br />

66<br />

67<br />

68<br />

69<br />

70<br />

71<br />

72<br />

73<br />

74<br />

75<br />

76<br />

77<br />

78<br />

79<br />

80<br />

81<br />

82<br />

83<br />

84<br />

85<br />

86<br />

87<br />

88<br />

89<br />

90<br />

91<br />

92<br />

93<br />

94<br />

95<br />

96<br />

97<br />

98<br />

R957<br />

4.7k<br />

R956<br />

4.7k<br />

C935 470p<br />

R955<br />

4.7k<br />

R958<br />

4.7k<br />

R959 10k<br />

C931<br />

4.7u10<br />

CN902<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 />

R971<br />

1k<br />

R967<br />

270<br />

R969<br />

0<br />

CN901<br />

1<br />

2<br />

C933<br />

0.01u<br />

C934<br />

0.01u<br />

C932<br />

0.01u<br />

C937<br />

0.01u<br />

C930<br />

0.01u<br />

TH901<br />

S1R103J440H<br />

100k<br />

L907<br />

COM8_1<br />

COM9_1<br />

COM1_1<br />

COM2_1<br />

COM3_1<br />

COM4_1<br />

COM5_1<br />

COM6_1<br />

COM7_1<br />

COM8_2<br />

COM9_2<br />

SEG16<br />

SEG17<br />

SEG18<br />

SEG19<br />

SEG20<br />

SEG21<br />

SEG22<br />

SEG23<br />

SEG24<br />

SEG25<br />

SEG31<br />

SEG32<br />

SEG33<br />

SEG34<br />

SEG35<br />

SEG41<br />

SEG42<br />

SGE43<br />

SEG44<br />

SEG45<br />

SEG51<br />

SEG52<br />

SEG53<br />

SEG54<br />

SEG55<br />

SEG61<br />

SEG62<br />

SEG63<br />

SEG64<br />

SEG65<br />

SEG71<br />

SEG72<br />

SEG73<br />

SGE74<br />

SEG75<br />

47<br />

48<br />

49<br />

50<br />

51<br />

52<br />

53<br />

54<br />

55<br />

56<br />

57<br />

58<br />

59<br />

60<br />

61<br />

62<br />

63<br />

64<br />

65<br />

66<br />

67<br />

68<br />

69<br />

70<br />

71<br />

72<br />

73<br />

74<br />

75<br />

76<br />

77<br />

78<br />

79<br />

80<br />

81<br />

82<br />

83<br />

84<br />

85<br />

86<br />

87<br />

88<br />

89<br />

90<br />

91<br />

92<br />

S[1]<br />

S[2]<br />

S[3]<br />

S[4]<br />

S[5]<br />

S[6]<br />

S[7]<br />

S[8]<br />

S[9]<br />

S[10]<br />

S[11]<br />

S[12]<br />

S[13]<br />

S[14]<br />

S[15]<br />

S[26]<br />

S[27]<br />

S[28]<br />

S[29]<br />

S[30]<br />

S[36]<br />

S[37]<br />

S[38]<br />

S[39]<br />

S[40]<br />

S[46]<br />

S[47]<br />

S[48]<br />

S[49]<br />

S[50]<br />

S[56]<br />

S[57]<br />

S[58]<br />

S[59]<br />

S[60]<br />

S[66]<br />

S[67]<br />

S[68]<br />

S[69]<br />

S[70]<br />

COM[2]<br />

COM[3]<br />

COM[4]<br />

COM[5]<br />

COM[6]<br />

COM[7]<br />

COM[8]<br />

COM[9]<br />

COM[1]<br />

COM[2]<br />

COM[3]<br />

COM[4]<br />

COM[5]<br />

COM[6]<br />

COM[7]<br />

COM[8]<br />

COM[9]<br />

S[16]<br />

S[17]<br />

S[18]<br />

S[19]<br />

S[20]<br />

S[22]<br />

S[21]<br />

S[23]<br />

S[24]<br />

S[31]<br />

S[25]<br />

S[32]<br />

S[33]<br />

S[35]<br />

S[34]<br />

S[41]<br />

S[42]<br />

S[44]<br />

S[43]<br />

S[45]<br />

S[51]<br />

S[53]<br />

S[52]<br />

S[54]<br />

S[55]<br />

S[62]<br />

S[61]<br />

S[63]<br />

S[64]<br />

S[71]<br />

S[65]<br />

S[72]<br />

S[73]<br />

S[75]<br />

S[74]<br />

S[75]<br />

S[74]<br />

S[73]<br />

S[72]<br />

S[71]<br />

S[70]<br />

S[69]<br />

S[67]<br />

S[66]<br />

S[68]<br />

S[65]<br />

S[62]<br />

S[61]<br />

S[64]<br />

S[63]<br />

S[56]<br />

S[57]<br />

S[60]<br />

S[59]<br />

S[58]<br />

S[55]<br />

S[54]<br />

S[52]<br />

S[53]<br />

S[51]<br />

S[46]<br />

S[47]<br />

S[48]<br />

S[49]<br />

S[50]<br />

S[45]<br />

S[41]<br />

S[43]<br />

S[44]<br />

S[42]<br />

S[36]<br />

S[39]<br />

S[40]<br />

S[38]<br />

S[37]<br />

S[35]<br />

S[33]<br />

S[34]<br />

S[32]<br />

S[31]<br />

S[26]<br />

S[30]<br />

S[28]<br />

S[29]<br />

S[27]<br />

L905<br />

L906<br />

COM[2]<br />

COM[9]<br />

COM[8]<br />

COM[3]<br />

COM[4]<br />

COM[1]<br />

COM[5]<br />

COM[6]<br />

COM[7]<br />

SP CONNECTOR<br />

SPO<br />

SPO<br />

SPO<br />

SPO<br />

SPO<br />

SPO<br />

GND<br />

8C<br />

SB<br />

SB<br />

NC<br />

PSW<br />

GND<br />

GND<br />

MIC<br />

ME<br />

GND<br />

PSENS<br />

RST2<br />

NC<br />

SHIFT/MODEL<br />

NC<br />

5C<br />

TXD<br />

RXD<br />

GND<br />

GND<br />

GND<br />

GND<br />

GND<br />

TX<br />

RX<br />

8C<br />

SB<br />

LCDRST<br />

SW_8C<br />

LCDCK<br />

LCDCS<br />

5C<br />

LCDDT<br />

PSW<br />

ME<br />

RST<br />

LCD<br />

B38-0888-05<br />

IC903<br />

LC75810T-8726<br />

LCD DRIVER<br />

S[5]<br />

S[2]<br />

S[4]<br />

S[3]<br />

S[1]<br />

S[10]<br />

S[12]<br />

S[11]<br />

S[8]<br />

S[14]<br />

S[13]<br />

S[9]<br />

S[7]<br />

S[6]<br />

S[15]<br />

S[16]<br />

S[21]<br />

S[22]<br />

S[24]<br />

S[18]<br />

S[17]<br />

S[19]<br />

S[23]<br />

S[20]<br />

S[25]<br />

SEG70<br />

SEG69<br />

SEG68<br />

SEG67<br />

SEG66<br />

SEG60<br />

SEG59<br />

SEG58<br />

SEG57<br />

SEG56<br />

SEG50<br />

SEG49<br />

SEG48<br />

SEG47<br />

SEG46<br />

SEG40<br />

SEG39<br />

SEG38<br />

SEG37<br />

SEG36<br />

SEG30<br />

SEG29<br />

SEG28<br />

SEG27<br />

SEG26<br />

SEG15<br />

SEG14<br />

SEG13<br />

SEG12<br />

SEG11<br />

SEG10<br />

SEG9<br />

SEG8<br />

SEG7<br />

SEG6<br />

SEG5<br />

SEG4<br />

SEG3<br />

SEG2<br />

SEG1<br />

COM2_2<br />

COM3_2<br />

COM4_2<br />

COM5_2<br />

COM6_2<br />

COM7_2<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 />

31<br />

32<br />

33<br />

34<br />

35<br />

36<br />

37<br />

38<br />

39<br />

40<br />

41<br />

42<br />

43<br />

44<br />

45<br />

46<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 />

99<br />

100<br />

S76<br />

S77<br />

S78<br />

CoM10/S79<br />

CoM9/S80<br />

CoM8<br />

CoM7<br />

CoM6<br />

CoM5<br />

CoM4<br />

CoM3<br />

CoM2<br />

CoM1<br />

VDD<br />

VLCD<br />

VLCD0<br />

VLCD1<br />

VLCD2<br />

VLCD3<br />

VSS<br />

oSC<br />

RES<br />

CE<br />

CL<br />

DI<br />

S51<br />

S52<br />

S53<br />

S54<br />

S55<br />

S56<br />

S57<br />

S58<br />

S59<br />

S60<br />

S61<br />

S62<br />

S63<br />

S64<br />

S65<br />

S66<br />

S67<br />

S68<br />

S69<br />

S70<br />

S71<br />

S72<br />

S73<br />

S74<br />

S75<br />

TO TX-RX UNIT (B/3) CN429<br />

5.05V<br />

7.43V<br />

DISPLAY UNIT (X54-3480-10)<br />

Note : The components marked with a dot (•) are parts of layer 1.

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