background image

6 - 3

M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)

S.=Surface mount

[MAIN UNIT]

 REF 

ORDER 

DESCRIPTION 

M. 

H/V

 NO. 

NO. 

 

  LOCATION

R24 

7030003410  S.RES  ERJ3GEYJ 561 V (560)  

  T 

84.1/42.7

R25 

7030003420  S.RES  ERJ3GEYJ 681 V (680)  

  T 

85.4/43.2

R26 

7030003620  S.RES  ERJ3GEYJ 333 V (33 k

)

  

  T 

74.2/40.7

R27 

7030003600  S.RES  ERJ3GEYJ 223 V (22 k

)

  

  T 

70.5/42.4

R28 

7030003620  S.RES  ERJ3GEYJ 333 V (33 k

)

  

  T 

74.2/42.4

R31 

7030003400  S.RES  ERJ3GEYJ 471 V (470)  

  T 

76/37

R32 

7030003660  S.RES  ERJ3GEYJ 683 V (68 k

)

  

  T 

73.1/37

R33 

7030003370  S.RES  ERJ3GEYJ 271 V (270)  

  T 

78.5/32

R34 

7030003230  S.RES  ERJ3GEYJ 180 V (18)  

  T 

78.7/34.3

R35 

7030003370  S.RES  ERJ3GEYJ 271 V (270)  

  T 

79.8/36.2

R41 

7030003410  S.RES  ERJ3GEYJ 561 V (560)  

  T 

86.3/31.7

R42 

7030003550  S.RES  ERJ3GEYJ 822 V (8.2 k

)

  

  T 

71.7/26.6

R43 

7030003550  S.RES  ERJ3GEYJ 822 V (8.2 k

)

  

  T 

77.9/26

R44 

7030003320  S.RES  ERJ3GEYJ 101 V (100)  

  T 

73.9/31.6

R45 

7030003390  S.RES  ERJ3GEYJ 391 V (390)  

  T 

73.9/29.8

R46 

7030003350  S.RES  ERJ3GEYJ 181 V (180)  

  T 

75.9/26.6

R51 

7030003420  S.RES  ERJ3GEYJ 681 V (680)  

  T 

71.1/33.1

R52 

7030003660  S.RES  ERJ3GEYJ 683 V (68 k

)

  

  T 

69.4/30.9

R55 

7030003400  S.RES  ERJ3GEYJ 471 V (470)  

  T 

63.8/37.4

R56 

7030003600  S.RES  ERJ3GEYJ 223 V (22 k

)

  

  T 

64.6/35.2

R66 7030003860 

S.RES 

ERJ3GE 

JPW 

 

 

58.8/23.5

R70 7030003860 

S.RES 

ERJ3GE 

JPW 

 

 

52/15.5

R81 

7030003440  S.RES  ERJ3GEYJ 102 V (1 k

)

  

  T 

60/34.7

R83 

7030003480  S.RES  ERJ3GEYJ 222 V (2.2 k

)

  

  T 

69.8/53.5

R84 

7030003390  S.RES  ERJ3GEYJ 391 V (390)  

  T 

73/52.7

R86 

7030003560  S.RES  ERJ3GEYJ 103 V (10 k

)

  

  T 

69.8/54.7

R87 

7030003580  S.RES  ERJ3GEYJ 153 V (15 k

)

  

  T 

74.2/54.2

R88 

7030003340  S.RES  ERJ3GEYJ 151 V (150)  

  T 

78/54.1

R89 

7030003200  S.RES  ERJ3GEYJ 100 V (10)  

  T 

69.8/56.9

R100 

7030003720  S.RES  ERJ3GEYJ 224 V (220 k

)

  

  T 

58.8/50.7

R101 

7030003480  S.RES  ERJ3GEYJ 222 V (2.2 k

)

  

  T 

64.8/57.7

R104 

7030003500  S.RES  ERJ3GEYJ 332 V (3.3 k

)

  

  T 

60/48

R105 

7030003560  S.RES  ERJ3GEYJ 103 V (10 k

)

  

  T 

55.3/46.4

R106 

7030003440  S.RES  ERJ3GEYJ 102 V (1 k

)

  

  T 

56.1/42.6

R107 

7030003360  S.RES  ERJ3GEYJ 221 V (220)  

  T 

53.6/49.2

R108 

7030003240  S.RES  ERJ3GEYJ 220 V (22)  

  T 

58.1/41.8

R111 

7030003560  S.RES  ERJ3GEYJ 103 V (10 k

)

  

  T 

49.1/46.6

R112 

7310005270  S.TRI  RH03ADCJ2X (220)  

  T 

46.4/44.1

R113 

7030003460  S.RES  ERJ3GEYJ 152 V (1.5 k

)

  

   T 

49.1/42.9

R114 

7030003270  S.RES  ERJ3GEYJ 390 V (39)  

  T 

51.1/42.2

R121 

7030003470  S.RES  ERJ3GEYJ 182 V (1.8 k

)

  

  T 

49.9/54.9

R122 

7030003470  S.RES  ERJ3GEYJ 182 V (1.8 k

)

  

  T 

49.9/53.6

R123 

7030003470  S.RES  ERJ3GEYJ 182 V (1.8 k

)

  

  T 

43.7/45.6

R124 

7030003470  S.RES  ERJ3GEYJ 182 V (1.8 k

)

  

  T 

42.4/45.6

R125 

7030007240  S.RES  ERJ12YJ680U (68)  

  T 

34.9/38.3

R126 

7030003670  S.RES  ERJ3GEYJ 823 V (82 k

)

  

  T 

27.4/58.7

R127 

7030003680  S.RES  ERJ3GEYJ 104 V (100 k

)

  

  T 

48.2/40.9

R144 7030003860 

S.RES 

ERJ3GE 

JPW 

 

 

T 11.8/30.2

R147 

7030003320  S.RES  ERJ3GEYJ 101 V (100)  

  T 

5.6/11.2

R148 

7030003620  S.RES  ERJ3GEYJ 333 V (33 k

)

  

  T 

4.4/11.4

R149 

7030003580  S.RES  ERJ3GEYJ 153 V (15 k

)

  

  T 

3.1/17.7

R150 

7030003560  S.RES  ERJ3GEYJ 103 V (10 k

)

  

  T 

3.1/11.4

R151 

7030003620  S.RES  ERJ3GEYJ 333 V (33 k

)

  

  T 

2/14.1

R152 

7030003280  S.RES  ERJ3GEYJ 470 V (47)  

  T 

5.8/17.7

R153 

7030004050  S.RES  ERJ3GEYJ 1R0 V (1)  

  T 

8.4/14.3

R154 

7030003480  S.RES  ERJ3GEYJ 222 V (2.2 k

)

  

  T 

6.8/11.2

R157 

7030003680  S.RES  ERJ3GEYJ 104 V (100 k

)

  

  T 

17.6/15.2

R158 

7030003270  S.RES  ERJ3GEYJ 390 V (39)  

  T 

15.6/35.4

R159 

7030003480  S.RES  ERJ3GEYJ 222 V (2.2 k

)

  

  T 

21.2/34

R171 

7030003680  S.RES  ERJ3GEYJ 104 V (100 k

)

  

  T 

21.5/12.3

R172 

7030003680  S.RES  ERJ3GEYJ 104 V (100 k

)

  

  T 

26.3/12.3

R173 

7030003560  S.RES  ERJ3GEYJ 103 V (10 k

)

  

  T 

32.9/14.4

R180 7030003860 

S.RES 

ERJ3GE 

JPW 

 

 

T 33.8/11.5

R182 

7030003240  S.RES  ERJ3GEYJ 220 V (22)  

  T 

60.6/6.5

R183 

7030003500  S.RES  ERJ3GEYJ 332 V (3.3 k

)

  

  T 

64/12

R185 

7030003320  S.RES  ERJ3GEYJ 101 V (100)  

  T 

72.6/3.9

R186 

7030003400  S.RES  ERJ3GEYJ 471 V (470)  

  T 

96.2/2.2

R187 

7030003200  S.RES  ERJ3GEYJ 100 V (10)  

  T 

63.3/14

R201 

7030003500  S.RES  ERJ3GEYJ 332 V (3.3 k

)

  

  T 

97.8/8.4

R202 

7030003380  S.RES  ERJ3GEYJ 331 V (330)  

  T 

99.8/5.9

R203 

7030003680  S.RES  ERJ3GEYJ 104 V (100 k

)

  

  T 

99.4/3.9

R205 

7030003460  S.RES  ERJ3GEYJ 152 V (1.5 k

)

  

  T  102.3/12.6

R206 

7030003420  S.RES  ERJ3GEYJ 681 V (680)  

  T 

98.9/12.6

R209 

7030003200  S.RES  ERJ3GEYJ 100 V (10)  

  T 

114.3/9.3

R210 

7030003560  S.RES  ERJ3GEYJ 103 V (10 k

)

  

  T 

111.6/7.5

R211 

7030003760  S.RES  ERJ3GEYJ 474 V (470 k

)

  

  T  114.3/13.1

R212 

7030003430  S.RES  ERJ3GEYJ 821 V (820)  

  T  109.4/20.5

R213 

7030003620  S.RES  ERJ3GEYJ 333 V (33 k

)

  

  T  112.9/20.7

R214 

7310005040  S.TRI  RH03ADCJ4X (22 k

)

  

  T 

113/18

R218 

7030003580  S.RES  ERJ3GEYJ 153 V (15 k

)

  

  T 

109/15.5

R219 

7030003400  S.RES  ERJ3GEYJ 471 V (470)  

  T  105.7/16.3

R220 

7510001511  S.TMR  NTCG16 4LH 223JT 

  T  113.6/22.7

R327 

7310005030  S.TRI  RH03ADCS4X (47 k

)

  

  T  120.4/31.6

R328 

7030003550  S.RES  ERJ3GEYJ 822 V (8.2 k

)

  

  T 

80/42

R382 

7030003560  S.RES  ERJ3GEYJ 103 V (10 k

)

  

  T 

62/45.7

R383 

7030003440  S.RES  ERJ3GEYJ 102 V (1 k

)

  

  T 

61.3/44.4

R384 

7030003440  S.RES  ERJ3GEYJ 102 V (1 k

)

  

  T 

35.5/31.9

R385 

7030003460  S.RES  ERJ3GEYJ 152 V (1.5 k

)

  

  T 

35.5/30.6

R386 

7030003680  S.RES  ERJ3GEYJ 104 V (100 k

)

  

  T 

107.8/43

R498 

7030003620  S.RES  ERJ3GEYJ 333 V (33 k

)

  

  T 

14.1/26.9

R499 

7030003580  S.RES  ERJ3GEYJ 153 V (15 k

)

  

  T 

13.1/29.5

[MAIN UNIT]

 REF 

ORDER 

DESCRIPTION 

M. 

H/V

 NO. 

NO. 

 

  LOCATION

R501 7030003560 

S.RES 

ERJ3GEYJ 

103 

(10 

k

)

  

  T 

15.4/27.9

R502 7030003620 

S.RES 

ERJ3GEYJ 

333 

(33 

k

)

  

  T 

12.7/32.5

R504 7030003280 

S.RES 

ERJ3GEYJ 

470 

(47) 

 

 

T 12.7/34.3

R505 7030003440 

S.RES 

ERJ3GEYJ 

102 

(1 

k

)

  

   T 

18/27.5

R506 7030004050 

S.RES 

ERJ3GEYJ 

1R0 

(1) 

 

 

T 16.7/27.9

R507 7030003320 

S.RES 

ERJ3GEYJ 

101 

(100) 

 

 

T 19.6/30.1

R521 7030003200 

S.RES 

ERJ3GEYJ 

100 

(10) 

 

 

T 46.9/37.7

R522 7030003500 

S.RES 

ERJ3GEYJ 

332 

(3.3 

k

)

  

  T 

51.3/36.1

R523 7030003200 

S.RES 

ERJ3GEYJ 

100 

(10) 

 

 

T 56.4/38.3

R524 7030003400 

S.RES 

ERJ3GEYJ 

471 

(470) 

 

 

T 87.8/51.7

R531 7030003500 

S.RES 

ERJ3GEYJ 

332 

(3.3 

k

)

  

  T 

91.9/47

R532 7030003680 

S.RES 

ERJ3GEYJ 

104 

(100 

k

)

  

  T 

89.9/50.2

R533 7030003380 

S.RES 

ERJ3GEYJ 

331 

(330) 

 

 

T 94.1/49.1

R534 7030003480 

S.RES 

ERJ3GEYJ 

222 

(2.2 

k

)

  

  T 

57.2/23.5

R541 7030003420 

S.RES 

ERJ3GEYJ 

681 

(680) 

 

 

100.1/43.6

R542 7030003460 

S.RES 

ERJ3GEYJ 

152 

(1.5 

k

)

  

  T  106.4/59.2

R544 7030003400 

S.RES 

ERJ3GEYJ 

471 

(470) 

 

 

T 98.9/47.3

R551 7030003240 

S.RES 

ERJ3GEYJ 

220 

(22) 

 

 

T 50.6/29.4

R561 7030003540 

S.RES 

ERJ3GEYJ 

682 

(6.8 

k

)

  

  T  100.1/40.8

R562 7030003760 

S.RES 

ERJ3GEYJ 

474 

(470 

k

)

  

  T  100.1/34.4

R563 7030003340 

S.RES 

ERJ3GEYJ 

151 

(150) 

 

 

106.6/50.2

R602 7030003450 

S.RES 

ERJ3GEYJ 

122 

(1.2 

k

)

  

  T  102.4/20.1

R603 7030003490 

S.RES 

ERJ3GEYJ 

272 

(2.7 

k

)

  

  T 

92.9/15.3

R606 7030003400 

S.RES 

ERJ3GEYJ 

471 

(470) 

 

 

T 91.5/13.3

R608 7030003400 

S.RES 

ERJ3GEYJ 

471 

(470) 

 

 

T 68.6/17.9

R609 7030003480 

S.RES 

ERJ3GEYJ 

222 

(2.2 

k

)

  

  T 

71.9/15

R610 7030003530 

S.RES 

ERJ3GEYJ 

562 

(5.6 

k

)

  

  T 

72.6/13

R611 7030003280 

S.RES 

ERJ3GEYJ 

470 

(47) 

 

 

T 84.1/12.2

R615 7030003400 

S.RES 

ERJ3GEYJ 

471 

(470) 

 

 

T 77.5/8.8

R616 7030003420 

S.RES 

ERJ3GEYJ 

681 

(680) 

 

 

T 85/14.7

R617 7030003660 

S.RES 

ERJ3GEYJ 

683 

(68 

k

)

  

  T 

82.9/15.3

R621 7030003660 

S.RES 

ERJ3GEYJ 

683 

(68 

k

)

  

  T 

80.3/18

R622 7030003380 

S.RES 

ERJ3GEYJ 

331 

(330) 

 

 

T 78.7/19.9

R623 7030003320 

S.RES 

ERJ3GEYJ 

101 

(100) 

 

 

T 89.9/19.1

R624 7030003300 

S.RES 

ERJ3GEYJ 

680 

(68) 

 

 

T 91.9/18.6

R625 7030003320 

S.RES 

ERJ3GEYJ 

101 

(100) 

 

 

T 93.9/17.8

R631 7030003400 

S.RES 

ERJ3GEYJ 

471 

(470) 

 

 

T 59.4/14.7

R632 7030003500 

S.RES 

ERJ3GEYJ 

332 

(3.3 

k

)

  

  T 

57.4/15.4

R633 7030003400 

S.RES 

ERJ3GEYJ 

471 

(470) 

 

 

T 55.7/12.1

R634 7030003480 

S.RES 

ERJ3GEYJ 

222 

(2.2 

k

)

  

  T 

58.5/12.1

R635 7030003360 

S.RES 

ERJ3GEYJ 

221 

(220) 

 

 

T 58/13.4

 
 
C1 4030016970 

S.CER 

ECJ0EB1C223K 

 

106.8/27.7

C2 4030016790 

S.CER 

ECJ0EB1C103K 

 

99.2/21

C3 4030016930 

S.CER 

ECJ0EB1A104K 

 

96/23.8

C4 

4550000510  S.TAN  TEESVA 1V 473M8R 

  T 

96.3/35.2

C5 4550007390 

S.TAN 

F931C225MAABMA 

 

96.3/37.4

C7 4030017460 

S.CER 

ECJ0EB1E102K 

 

98/32.9

C11 4030017640 

S.CER 

ECJ0EC1H150J 

 

94.7/28.3

C12 4610001590 

S.TRI 

TZC3R100A110R00 

 

92.4/24.7

C13 4030017390 

S.CER 

ECJ0EC1H180J 

 

94.3/29.6

C20 4030017460 

S.CER 

ECJ0EB1E102K 

 

87.9/45.2

C21 4510008540 

S.ELE 

EEE1CA100SR 

 

95.7/43.6

C22 4030016790 

S.CER 

ECJ0EB1C103K 

 

90.5/39.9

C23 4030017460 

S.CER 

ECJ0EB1E102K 

 

89.7/43.4

C24 4030017730 

S.CER 

ECJ0EB1E471K 

 

85.5/41

C26 4030016790 

S.CER 

ECJ0EB1C103K 

 

72.3/42

C27 

4030017490  S.CER  C1608 JB 1A 105K-T 

  T 

77.2/42.4

C29 4030017460 

S.CER 

ECJ0EB1E102K 

 

81.8/32

C30 4030017460 

S.CER 

ECJ0EB1E102K 

 

86.5/42.2

C31 4030017730 

S.CER 

ECJ0EB1E471K 

 

78.3/35.6

C32 4030017380 

S.CER 

ECJ0EC1H050B 

 

70.8/37.1

C33 4030017640 

S.CER 

ECJ0EC1H150J 

 

74.8/34.1

C34 4030017650 

S.CER 

ECJ0EC1H270J 

 

75/33.1

C35 4030017650 

S.CER 

ECJ0EC1H270J 

 

78/33.2

C36 4030017460 

S.CER 

ECJ0EB1E102K 

 

79.8/33.1

C40 4030017600 

S.CER 

ECJ0EC1H080C 

 

80.3/29

C41 4030017660 

S.CER 

ECJ0EC1H330J 

 

82.9/30.9

C42 4030017700 

S.CER 

ECJ0EC1H151J 

 

83.6/29.6

C43 4550007590 

S.TAN 

F931V474MAABMA 

 

84.6/33.1

C44 4030017460 

S.CER 

ECJ0EB1E102K 

 

85.2/29.9

C45 4030017550 

S.CER 

ECJ0EC1H1R5B 

 

78.6/29.7

C46 4030017550 

S.CER 

ECJ0EC1H1R5B 

 

79.9/27.7

C47 4030017460 

S.CER 

ECJ0EB1E102K 

 

74.3/25.7

C48 4030017730 

S.CER 

ECJ0EB1E471K 

 

75.8/28.8

C49 4030017730 

S.CER 

ECJ0EB1E471K 

 

76/30.7

C51 4030017540 

S.CER 

ECJ0EC1HR75B 

 

72/28.6

C52 4030017730 

S.CER 

ECJ0EB1E471K 

 

69.1/33.2

C55 4030017460 

S.CER 

ECJ0EB1E102K 

 

65.3/38.4

C56 4030017640 

S.CER 

ECJ0EC1H150J 

 

69.1/35.5

C57 4030017730 

S.CER 

ECJ0EB1E471K 

 

65.3/37.4

C58 4030017640 

S.CER 

ECJ0EC1H150J 

 

60.7/33.5

C78 4030017660 

S.CER 

ECJ0EC1H330J 

 

51.4/12.5

C79 4030017460 

S.CER 

ECJ0EB1E102K 

 

48/11.8

C81 4030017460 

S.CER 

ECJ0EB1E102K 

 

69.4/52.4

C82 4030017460 

S.CER 

ECJ0EB1E102K 

 

74.2/51.9

C83 4030017700 

S.CER 

ECJ0EC1H151J 

 

72/54.9

C87 4030017420 

S.CER 

ECJ0EC1H470J 

 

76.8/53.6

C88 4030017460 

S.CER 

ECJ0EB1E102K 

 

75.8/53.6

C89 4030017460 

S.CER 

ECJ0EB1E102K 

 

70.3/55.8

Summary of Contents for IC-M504

Page 1: ...SERVICE MANUAL VHF MARINE TRANSCEIVER S 14225HZ C1 q Dec 2006 ...

Page 2: ...when the transceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 40 dB to 50 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver To upgrade quality all electrical or mechanical parts ...

Page 3: ...PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 2 5 3 TRANSMIT ADJUSTMENT 5 3 5 4 RECEIVE ADJUSTMENT 5 4 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMICONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 AF UNIT 9 1 9 2 MAIN UNIT 9 1 9 3 HM 126B G 9 3 9 4 VR BOARD 9 3 9 5 SQL BOARD 9 3 9 6 DIAL BOARD 9 3 9 7 LOGIC BOARD 9 3 SECTION 10 BLOCK DIAGRAM SECTION 11...

Page 4: ...er More than 70 dB Audio harmonic distortion Less than 10 at 60 deviation Residual modulation More than 40 dB Audio frequency response 1 dB to 3 dB of 6 dB oct from 300 Hz to 2500 Hz Microphone impedance 2 kΩ M RECEIVER Receive system Double conversion superheterodyne system Intermediate frequencies 1st IF 21 7 MHz 2nd IF 450 kHz Normal RX 1st IF 31 05 MHz 2nd IF 450 kHz CH70 RX Sensitivity 13 dBµ...

Page 5: ...5 1 5 2 2 6 5 1 A 5 6 A 5 6 5 7 2 6 5 1 5 7 2 6 5 1 5 2 3 6 5 1 5 2 9 0 6 1 7 6 2 7 6 5 7 3 6 5 1 5 7 3 6 5 1 8 6 8 6 5 2 4 6 5 1 5 2 4 6 5 1 9 6 9 6 5 7 4 6 5 1 5 7 4 6 5 1 0 7 3 0 7 3 5 2 5 6 5 1 5 2 5 6 5 1 1 7 1 7 5 7 5 6 5 1 5 7 5 6 5 1 2 7 2 7 5 2 6 6 5 1 5 2 6 6 5 1 3 7 3 7 5 7 6 6 5 1 5 7 6 6 5 1 4 7 4 7 5 2 7 6 5 1 5 2 7 6 5 1 7 7 1 7 7 1 5 7 8 6 5 1 5 7 8 6 5 1 5 2 9 6 5 1 5 2 5 1 6 1 A ...

Page 6: ... Normal RX IC2 TA31136FNG FM IF IC CH70 RX IC14 TA31136FNG RX VCO TX CH70 RX VCO APC circuit Q14 KTA2015 Q15 FMW1 PLL IC IC1 µPD3140GS Antenna switch D14 D21 L308CCB 1st mixer Normal channels D32 HSB88WS LOGIC BOARD MAIN UNIT AF UNIT AF power amplifier IC9 LA4425A AF power amplifier for hailer IC14 LA4485 E Microphone amplifier IC7 NJM4558M Electric volume IC13 M62429FP S5V regulator IC10 KIA7805A...

Page 7: ...AF unit J2 J5 D A A D B Removing the LOGIC board 1 Disconnect 3 connectors from J6 J4 and J3 2 Unsolder 2 points A 3 Unscrew 7 screws B and remove the LOGIC board from the front panel Removing the MAIN unit 1 Disconnect the flat cable A from J2 2 Unsolder 14 points B 3 Unscrew 6 screws C and remove the MAIN unit from the chassis Removing the AF unit 1 Disconnect 2 flat cables A from J1 and J2 2 Di...

Page 8: ...from the VCO Q72 D51 D52 The converted 1st IF signal is amplified by the 1st IF amplifier Q22 Q23 and passed through two 1st IF filters FI1 FI2 to filter out adjacent signals The filtered 1st IF signal is amplified by the 1st IF amplifier Q24 then applied to the FM IF IC IC2 pin 16 4 1 4 2nd IF AND DEMODULATOR CIRCUITS MAIN UNIT The 1st IF signal is converted into the 2nd IF signal and demodulated...

Page 9: ...tion circuit modulates the VCO oscillating signal with the AF signals from the microphone The MIC signals from the microphone amplifier circuits are applied to the D2 of TX CH70 RX VCO Q4 Q5 D1 D3 and modulate the VCO oscillating signal by changing the reactance of D2 The modulated VCO output signal is buffer amplified by Q6 and Q7 then applied to transmit amplifiers as a transmit signal via the T...

Page 10: ...vided at the prescaler and programmable counter according to the PDATA signal from the CPU LOGIC BOARD IC1 pin 49 The divided signal is phase compared with the reference frequency signal from the reference frequency oscillator X1 at the phase detector The phase difference is output from pin 8 as a pulse type signal after being passed through the internal charge pump The output signal is converted ...

Page 11: ...from pin 9 The demodulated signals are applied to the DSC filters AF UNIT IC12 and AF circuits 4 4 4 DSC DECODE AF UNIT The demodulated signals from FM IF IC MAIN UNIT IC14 pin 9 are filtered at the LPF IC12 pins 1 3 and HPF IC12 pins 5 7 to extract the DSC signal The filtered signals are applied to the DSC decoder IC IC15 pin 2 The decoded DSC signal is output from pin 7 then applied to the CPU L...

Page 12: ... S4 Low When the key is pushed 53 SCAN Input port for the SCAN key LOGIC UNIT S3 Low When the key is pushed 54 H L Outputs transmit power select signal to the TX power controller MAIN UNIT Q17 High 25 W Low 1 W Pin No Port Name Description 58 UNLK Input port for PLL unlock signal from the PLL IC MAIN UNIT IC1 pin 7 High While the PLL is unlocked 59 OPTIN Input port for optional unit attachement de...

Page 13: ...Measuring range 10 mV to 10 V FM deviation meter Frequency range 30 300 MHz Measuring range 0 to 10 kHz External speaker Input impedance 4 Ω Capacity More than 5 W Audio generator Frequency range 300 3000 Hz Output level 1 500 mV Attenuator Power attenuation 40 or 50 dB Capacity More than 30 W 5 1 PREPARATION To the antenna connector To DC power connector Standard signal generator 0 1 µV to 32 mV ...

Page 14: ... check point CP1 1 3 2 3 V Verify LOCK VOLTAGE DSC receive 1 Receiving MAIN Connect a digital multi meter or oscilloscope to the check point CP1 1 3 2 3 V MAIN Verify REFERENCE FREQUENCY 1 Channel CH16 156 800 MHz Output power Low Connect a power meter to the ant enna connector Transmitting Rear Panel Loosely couple a fre quency counter to the antenna connector 156 800 MHz 500 Hz MAIN C12 2EFERENC...

Page 15: ...156 800 MHz Output power Low Connect an audio generator to the MIC line see the page 5 1 and set as Frequency 1 kHz Level 30 mV Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 Transmitting Rear Panel C o n n e c t a n F M d ev i a t i o n m e t e r t o t h e a n t e n n a connector through an attenuator 4 25 4 35 kHz MAIN R327 5 3 TRANSMIT ADJUSTMENT 2 EVIATION ADJU...

Page 16: ...TIVITY except the signal level Level 4 dBu 111 dBm Receiving External speaker Squelch open MAIN Turn R214 clockwise to close the squelch T h e n t u r n R 2 1 4 counter clockwise to set the point where the squelch opens RECEIVE SENSITIVITY DSC receive 1 SQUELCH Max counterclockwise Connect an SSG to the antenna connector and set as RECEIVE SENSITIVITY except the frequency Freqency 156 525 MHz CH70...

Page 17: ... B 120 5 39 R82 7030003440 S RES ERJ3GEYJ 102 V 1 k B 124 7 39 1 R83 7030003580 S RES ERJ3GEYJ 153 V 15 k B 122 6 38 4 R84 7030003440 S RES ERJ3GEYJ 102 V 1 k B 122 6 39 7 R85 7030003680 S RES ERJ3GEYJ 104 V 100 k B 61 6 58 4 R86 7030003210 S RES ERJ3GEYJ 120 V 12 B 64 4 54 4 R87 7030003520 S RES ERJ3GEYJ 472 V 4 7 k B 63 50 4 R88 7030003680 S RES ERJ3GEYJ 104 V 100 k B 67 8 49 5 R89 7030003640 S ...

Page 18: ...6110001600 COL LA 243 L31 6110001600 COL LA 243 L32 6200007360 S COL ELJND R47J T 18 8 35 L35 6150003821 COL LS 440 LF L36 6150003821 COL LS 440 LF L37 6200007360 S COL ELJND R47J T 12 6 14 5 L38 6150003821 COL LS 440 LF L39 6150003821 COL LS 440 LF L40 6130003000 S COL 617DB 1714 P3 T 37 1 5 6 L41 6130003000 S COL 617DB 1714 P3 T 48 9 5 6 L42 6200010440 S COL C2520C 1R2G A 1 2U T 57 9 8 5 L43 620...

Page 19: ... 10 k T 62 45 7 R383 7030003440 S RES ERJ3GEYJ 102 V 1 k T 61 3 44 4 R384 7030003440 S RES ERJ3GEYJ 102 V 1 k T 35 5 31 9 R385 7030003460 S RES ERJ3GEYJ 152 V 1 5 k T 35 5 30 6 R386 7030003680 S RES ERJ3GEYJ 104 V 100 k T 107 8 43 R498 7030003620 S RES ERJ3GEYJ 333 V 33 k T 14 1 26 9 R499 7030003580 S RES ERJ3GEYJ 153 V 15 k T 13 1 29 5 MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R501 703...

Page 20: ...68 4030017420 S CER ECJ0EC1H470J T 67 3 56 4 C373 4030017400 S CER ECJ0EC1H220J T 88 54 4 C374 4030017400 S CER ECJ0EC1H220J T 86 9 54 4 C375 4030017430 S CER ECJ0EC1H101J T 87 58 6 C376 4030017730 S CER ECJ0EB1E471K T 88 58 6 C379 4030017430 S CER ECJ0EC1H101J T 80 1 57 9 C380 4030017730 S CER ECJ0EB1E471K T 80 1 57 MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C390 4030016930 S CER ECJ0EB...

Page 21: ... H V NO NO LOCATION R306 7030003800 S RES ERJ3GEYJ 105 V 1 M T 36 1 31 1 R307 7030003440 S RES ERJ3GEYJ 102 V 1 k B 61 1 19 2 R308 7030003770 S RES ERJ3GEYJ 564 V 560 k B 67 3 26 4 R309 7030003680 S RES ERJ3GEYJ 104 V 100 k B 66 6 22 3 R311 7030003520 S RES ERJ3GEYJ 472 V 4 7 k B 63 22 1 R312 7030003610 S RES ERJ3GEYJ 273 V 27 k B 67 3 29 5 R313 7030003680 S RES ERJ3GEYJ 104 V 100 k B 71 1 31 R314...

Page 22: ...04601 ELE 16 ME 1000 HC C370 4030011600 S CER C1608 JB 1E 104K T T 13 9 53 8 C375 4030016930 S CER ECJ0EB1A104K T 49 3 32 3 C377 4030017420 S CER ECJ0EC1H470J T 2 4 50 9 C378 4030017460 S CER ECJ0EB1E102K T 3 3 50 9 C381 4510008500 S ELE EEE1CA101WP T 11 2 20 2 C382 4030016790 S CER ECJ0EB1C103K T 9 9 24 3 C383 4030011600 S CER C1608 JB 1E 104K T T 9 8 25 4 C384 4030011600 S CER C1608 JB 1E 104K T...

Page 23: ...96N97 15SK 10KB 2685 1 ORDER NO REF NO DESCRIPTION QTY ACCESSORIES W1 8900009041 Cable OPC 891A 1 EP1 6910013530 Bead ZCAT2035 0930A BK 1 MP1 8010018154 2345 mobile bracket 4 ZK Black 1 8010020464 2345 mobile bracket C 4 Gray 1 MP2 8810001490 Screw PH A M5 20 SUS 4 MP3 8850000180 Flat washer M5 SUS 4 MP4 8850000500 Spring washer M5 SUS 4 MP5 8610010561 2040 knob bolt 1 Black 2 8820001271 2040 knob...

Page 24: ...1 S R1 V MP3 F MP7 F MP6 F MP9 F MP23 F AF UNIT VR BOARD DIAL BOARD SQL BOARD LOGIC BOARD MAIN UNIT S1 D MC1 F MP1 F MP21 F MP21 F MP21 F MP10 F Unit abbreviations C CHASSIS PARTS M MAIN UNIT A AF UNIT F FRONT PARTS L LOGIC BOARD V VR BOARD S SQL BOARD D DIAL BOARD R1 V R1 S S1 D MP1 L DS1 L MP4 L MP2 L MP42 C MP5 C MP42 C MP42 C MP42 C MP3 C MP4 C MP41 C MP5 C MP1 C MP5 C MP42 C MP5 C MP11 F MP11...

Page 25: ...C MP14 C MP2 C MP5 C MP8 C MP15 C MP16 C MP9 C MP21 C MP18 C MAIN UNIT MP1 C SP1 M MP17 C CHASSIS PARTS W1 8900014820 Cable OPC 948 Gray 1 8900013590 Cable OPC 949 Black 1 MP1 8210022750 2352 front panel 1 Gray 1 8210021410 2352 front panel A 1 Black 1 MP2 8210020380 2352 rear panel Gray 1 8210020120 2352 rear panel A Black 1 MP3 8930052160 2352 key 1 MP4 8930052150 2352 PTT rubber 1 MP5 893005214...

Page 26: ...A PCK EXTOE OPTIN 6 1 to CHASSIS unit W3 J6 ICF3 EXTRXD EXTTXD PTTC MICG AF MIC 2 1 to CHASSIS unit W1 J11 SP SP HAILO 2 1 to CHASSIS unit W2 J12 HAILO DETO 14 13 2 1 to option SCRAMBLER unit J3 MICO DETI MICI OPSTB SDATA SCK GND GND GND SCON OPTIN GND 5V HV GND to MAIN unit J1 to CHASSIS unit W1 GND GND HV HV SECTION 9 BOARD LAYOUTS 9 1 9 1 AF UNIT TOP VIEW H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 ...

Page 27: ...15 H120 H125 H0 V5 V10 V15 V0 V25 V30 V35 V20 V45 V50 V55 V40 V65 V60 HV 1 4 to AF unit CP11 CP14 J1 HV GND GND 9 2 BOTTOM VIEW MAIN UNIT H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H0 V5 V10 V15 V0 V25 V30 V35 V20 V45 V50 V55 V40 V65 V60 BOTTOM VIEW AF UNIT ...

Page 28: ... 3 1 to LOGIC board J3 W1 SQLV S5V SQL 9 5 SQL BOARD TOP VIEW H5 H10 H0 V5 V10 V15 V0 GND 4 1 to LOGIC board J3 W1 DIALB DIALA GND DIAL 9 6 DIAL BOARD TOP VIEW H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115 H120 H125 H130 H135 H140 H145 H150 H155 H0 V5 V10 V15 V0 V25 V30 V35 V20 V45 V50 V55 V40 V65 V70 V75 V60 V80 LO DX 16 CH WX SCAN H L POWER HAIL C...

Page 29: ...0 V55 V40 V65 V70 V75 V60 V80 1 2 to Microphone HM 126 J6 KEY GND 1 8 to Microphone HM 126 J4 NC PTT HANG MICG MIC SP NC AF 1 10 to DIAL SQL VR boards J3 GND DIALA DIALB ENT S5V SQLV GND VOL1 VOL2 VOLG 1 to AF unit J1 2 39 40 J1 OPSTB EXTSTB PSTB UNLK EXTRXD MIC MICG TXDET SQL BPFV EVCK FOG VOL2 VOL1 RCV GND NC VCC SP SP OPTIN EXTOE PCK PDATA EXTTXD ICF3 DSCENC DSD70 DSDM WXDEC EVDATA FOGC BEEP GN...

Page 30: ...P FM FI6 LT450EW BUFF IC14 TA31136FN 2ND IF 2ND 31 05MHz Q63 KTC3880S FI4 FL 372 Q64 KTC4080 SHIFT Q2 KRC404 D1 D2 MA77x2 R10V Normal channels R10V R10V NMEAI NMEAO NMEAI Q37 KRA304 IC29 NMEAO VCC NMEAI IC6D IC6C EXT SP OPTION NMEAI SAFO EXT SP HAIL ICF3 NJM2107F PTTC POWER DIVIDER D14 D21 L308CCBx2 RF OUT DET VOL M62429FP EL IC13 IC14 LA4485 HV Q61 TPC6104 Q62 KRC404 R10V Q52 KRC404 S5V Q54 KTC40...

Page 31: ...2 TAOUT 29 P67 TXD1 SDA1 30 P66 RXD1 SCL1 31 P65 CLK1 32 P64 CTS1 RTS1 CTS0 CLKS1 33 P63 TXD0 SDA0 34 P62 RXD0 SCL0 35 P61 CLK0 36 P60 CTS0 RTS0 37 P57 TDY CLKOUT 38 P56 ALE 39 P55 HOLD 40 P54 HLDA 41 P53 BCLK 42 P52 RD 43 P51 WRH BHE 44 P50 WRL WR 45 P47 CS3 46 P46 CS2 47 P45 CS1 48 P44 CS0 49 P43 A19 50 P42 A18 51 P41 A17 52 P40 A16 53 P37 A15 54 P36 A14 55 P35 A13 56 P34 A12 57 P33 A11 58 P32 A...

Page 32: ...22 C317 100 C381 LA4425A IC9 1 2 3 4 5 100k R243 0 01 C247 1M R270 100k R260 1M R247 1 C260 100k R278 2 2 C448 0 001 C293 0 01 C292 0 0068 C323 10k R325 NTCG16 R324 15k R326 1 C250 1 C249 0 47 C453 J3 0 01 C589 0 0022 C587 0 1 C588 0 0047 C313 820p C312 56p C314 12p C306 270p C303 47p C318 0 1 C301 0 01 C351 0 1 C423 47p C425 47p C424 KRC404 Q62 0 R298 2SB1143 Q71 XP6501 Q72 1 2 3 4 5 6 10k R592 1...

Page 33: ...C111 470p C49 0 001 C550 0 001 C195 5p C32 L57 15µ 0 001 C617 180 R46 0 1 C156 HSB88WS D32 HSM88ASR D12 150 R563 100 R625 LW 25 L20 10k R173 2 2k R609 10 R89 2SC4226 Q10 2p C517 0 001 C521 R107 220 39 R158 2 2k R534 0 01 C2 0 001 C535 2 7µ L3 68n L15 10 C21 0 1 C390 47 R504 10p C527 0 001 C126 0 001 C367 LA 243 L21 0 R70 0 1 C501 3 3k R9 0 01 C533 8 2k R43 330 R202 2 2k R83 Q58 PMBFJ310 KTC4075 Q5...

Page 34: ...ICOMAMERICA COM USTOMER 3ERVICE 0HONE LENWOOD ENTRE IGHWAY ELTA 6 ANADA 0HONE AX 52 HTTP WWW ICOMCANADA COM MAIL INFO ICOMCANADA COM 5NIT ARDEN 2OAD LAYTON 6 USTRALIA 0HONE AX 52 HTTP WWW ICOM NET AU MAIL SALES ICOM NET AU ARRIS 2OAD AST 4AMAKI UCKLAND EW EALAND 0HONE AX 52 HTTP WWW ICOM CO NZ MAIL INQUIRIES ICOM CO NZ 2OOM TH LOOR ONG 3ILVER ANSION O 9ONG ING 2OAD AIDIAN ISTRICT EIJING HINA 0HONE...

Page 35: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14225HZ C1 q 2006 Icom Inc ...

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