Icom IC-7410 Service Manual - Page 100

MHz, 21MHz, 5/3.8/4.63MHz, 14MHz, PA-A-2

Page 100 highlights

• PA-A UNIT (PA-A-1) HPAO PA-A-2 +14V L7 L6 L5 L4 L3 L2 L1 HPAO C1251 0.01 C1252 0.01 C1253 0.01 C1254 0.01 C1255 0.01 C1256 0.01 C1257 0.01 C1258 0.01 4.7V +14V L7 L6 L5 L4 L3 L2 L1 L7S Q1251 Q1252 KRC402 KRA302E L6S Q1253 Q1254 KRC402 KRA302E L5S Q1255 Q1256 KRC402 KRA302E L4S Q1257 Q1258 KRC402 KRA302E L3S Q1259 Q1260 KRC402 KRA302E L2S Q1261 Q1262 KRC402 KRA302E L1S Q1263 Q1264 KRC402 KRA302E 13.6V LR-149 L501 C521 C520 C519 C505 C506 30P 120P 120P 120P 22P C1151 0.01 L1051 33U C1051 0.01 C951 0.01 C851 0.01 C751 0.01 C651 0.01 C551 0.01 RL501 ATN207 RL601 ATN207 RL701 ATN207 RL801 ATN207 RL901 ATN207 RL1001 ATN207 RL1101 ATN207 C1101 100P C1102 33P C1104 120P C1105 100P C1106 10P C1108 100P L1003 LR-565 C1007 39P L1102 LA-480 C1107 47P L1101 LA-481 C1103 18P C1001 200P C1004 82P C1005 120P C1011 30P C1008 82P L1002 LR-564 C1002 100P C1003 6P L1001 LR-217 C902 39P C905 100P C906 56P C910 82P L902 LA-479 C908 15P L901 LA-479 C903 33P C801 C802 C803 C804 C815 C816 C817 C818 C819 330P 330P 330P 330P 330P 330P 330P 330P 68P C808 220P C809 C810 C811 C821 C822 C823 C824 C825 330P 330P 330P 330P 330P 330P 330P 56P C813 C814 C826 C827 C828 470P 470P 330P 220P 10P LR-226 L801 C820 56P C805 330P C806 100P C807 68P C702 10P C705 100P C706 12P C708 47P C709 47P C713 33P L703 LA-547 C710 12P C711 4P L802 LR-227 C812 120P L702 LA-548 C707 7P L701 LA-550 C703 18P L603 LR-141 C612 39P L602 LR-141 C607 120P C608 22P C601 120P C616 120P C617 120P C605 C619 C620 C621 120P 120P 39P 200P C606 120P C610 C623 C624 C625 C626 120P 120P 120P 120P 200P C611 56P C614 120P C629 120P C615 120P L601 LR-141 C603 100P C604 47P C503 100P C515 200P C504 100P C517 200P C507 100P C522 200P C524 30P C508 100P C525 200P C527 30P C509 100P C528 200P C530 30P C531 200P C511 100P C533 C534 C535 C512 120P 120P 30P 120P C513 47P RL502 ATN207 RL602 ATN207 RL702 ATN207 RL802 ATN207 RL902 ATN207 RL1002 ATN207 RL1102 ATN207 C1152 D1151 0.01 KDS4148U C1052 D1051 0.01 KDS4148U C952 D951 0.01 KDS4148U C852 D851 0.01 KDS4148U C714 0.01 D751 KDS4148U C652 0.01 D651 KDS4148U C552 D551 0.01 KDS4148U R651 L3S 220 R652 220 R751 L7S 220 R752 220 R851 R852 220 220 R951 L6S 220 R952 220 R1051 L4S 220 R1052 220 R1151 R1152 220 220 L1S L5S 18/21MHz 10/14MHz 24/28MHz 1.8MHz 50MHz 5/7MHz 3.5/3.8/4.63MHz LR-138 L502 C510 100P CTIN TO CTRL J1201 R551 L2S 220 R552 220 10 - 14

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10 - 14
ATN207
RL601
ATN207
RL701
ATN207
RL1001
ATN207
RL902
ATN207
RL602
47P
C513
100P
C1108
120P
C812
120P
C607
ATN207
RL901
LA-547
L703
82P
C1008
LR-217
L1001
ATN207
RL801
LR-226
L801
6P
C1003
100P
C603
LR-227
L802
ATN207
RL1101
ATN207
RL702
39P
C612
ATN207
RL1102
ATN207
RL1002
120P
C606
ATN207
RL502
100P
C1101
100P
C1002
39P
C1007
ATN207
RL501
120P
C1104
ATN207
RL802
100P
C510
HPAO
+14V
L7
L6
L5
L4
L3
L2
L1
KRA302E
Q1252
KRC402
Q1251
KRA302E
Q1254
KRC402
Q1253
KRA302E
Q1256
KRC402
Q1255
KRA302E
Q1258
KRC402
Q1257
KRA302E
Q1260
KRC402
Q1259
KRA302E
Q1262
KRC402
Q1261
KRA302E
Q1264
KRC402
Q1263
220
R551
220
R1151
220
R1051
220
R951
220
R851
220
R751
220
R651
220
R552
220
R652
220
R752
220
R852
220
R952
220
R1052
220
R1152
0.01
C1152
0.01
C714
0.01
C652
0.01
C952
0.01
C852
0.01
C1052
0.01
C552
0.01
C1151
0.01
C751
0.01
C951
0.01
C1051
0.01
C851
0.01
C651
0.01
C551
KDS4148U
D551
KDS4148U
D651
KDS4148U
D751
KDS4148U
D851
KDS4148U
D951
KDS4148U
D1051
KDS4148U
D1151
0.01
C1251
0.01
C1258
0.01
C1255
0.01
C1257
0.01
C1252
0.01
C1254
0.01
C1253
0.01
C1256
J1201
22P
C506
100P
C806
68P
C807
100P
C503
100P
C504
30P
C524
100P
C507
100P
C508
30P
C527
100P
C509
30P
C530
100P
C511
120P
C533
120P
C534
120P
C512
30P
C535
120P
C505
120P
C519
120P
C520
30P
C521
120P
C616
120P
C617
120P
C601
120P
C619
120P
C605
120P
C610
120P
C623
120P
C624
120P
C625
120P
C615
120P
C1005
30P
C1011
330P
C801
330P
C802
330P
C803
330P
C804
330P
C815
330P
C816
330P
C817
330P
C818
68P
C819
330P
C805
56P
C820
330P
C809
330P
C810
330P
C811
330P
C821
330P
C822
330P
C823
330P
C824
470P
C813
470P
C814
330P
C826
220P
C827
10P
C828
LR-149
L501
LR-138
L502
200P
C517
200P
C515
200P
C522
200P
C525
200P
C528
200P
C531
200P
C621
200P
C626
120P
C629
200P
C1001
100P
C705
18P
C703
47P
C708
47P
C709
12P
C710
33P
C713
LA-550
L701
LA-548
L702
LR-141
L601
LR-141
L602
LR-141
L603
47P
C604
39P
C620
22P
C608
56P
C611
120P
C614
12P
C706
7P
C707
220P
C808
56P
C825
82P
C1004
10P
C702
4P
C711
LA-481
L1101
LA-480
L1102
33P
C1102
100P
C1105
10P
C1106
18P
C1103
47P
C1107
33U
L1051
LR-564
L1002
LR-565
L1003
100P
C905
LA-479
L901
82P
C910
39P
C902
LA-479
L902
33P
C903
15P
C908
56P
C906
L4S
L5S
L3S
L6S
L7S
L2S
L1S
L7
L5
L6
L4
L3
L2
L1
L7S
L3S
L2S
L1S
L6S
L4S
L5S
HPAO
+14V
CTIN
1.8MHz
5/7MHz
50MHz
18/21MHz
3.5/3.8/4.63MHz
24/28MHz
10/14MHz
PA-A-2
TO CTRL
4.7V
13.6V
• PA-A UNIT (PA-A-1)