Icom IC-M803 Service Manual page 54

• MAIN UNIT (B-9007B: TOP VIEW)
9
C4803
R4796
C4759
R4756
C4779
C4802
R4776
C4829
DSC
C4801
C4778
J4701
L4798
D4703
L4736 L4776
L4756 L4818
C4799
C4806
C4821 C4823
C4822
L4795
L4734 L4754 L4774
R4705
C4805
R4706
C4796
Q4701 R4707
L4814
C4706
RL4701
R4721
C4721
L4732 L4752 L4772 L4792
L4704
L4707 R4732 R4752 R4772 R4792
C4711 C4715
R4731 R4751 R4771 R4791
C4712 C4717 C4722 C4719
L4811
L4701
C4732 C4752 C4772 C4792
C4713 C4716 C4718 C4723
L4706
C4708 C4709 C4710
C4408
C4435 C4436
C4434 C4437
R4404 C4407
L4471 L4491 L4511 L4531 L4551 L4571
L4427
IC4401
C4472
C4493 C4573
C4481
L4411
C4473 C4492 C4512 C4532 C4552 C4572
C4494 C4513 C4533 C4553 C4574
C4474
C4411 C4442 L4451
R4426 L4473 L4493 L4513 L4533 L4553 L4573
R4403 C4457
L4401 C4476 C4482 C4502 C4495 C4515 C4514 C4535 C4534 C4555 C4576 C4575
R4401
YGR C4452 C4477 C4475 C4496 C4497 C4516 C4522 C4544 C4562 C4554
C4453
C4483 C4498 C4521 C4543
J4401
C4499 C4518 C4542
L4453 L4474 L4494 L4514 L4534 L4554 L4574
C4503 C4517 C4541
C4506 C4540
C4455 C4454 C4485 C4450 C4519 C4538 C4557 C4559 C4578 C4577
C4505 C4537 C4556 C4580
C4456 C4479 C4478
C4504 C4536
L4454 L4475 L4495 L4515 L4535 L4555 L4575
L4423
L4631
D4434 C4421
C4422
8
D4435
Q4421
Q4423 Q4422 Q4401 Q4427
HRX
Q4424 Q4402 Q4426
J4421
R4692
R4182 R4183
MP3029 C5608
IC5601 C5607
J4181
R5603 J4181
C5606 R5604
L5601
C5603 EP4188
C5602 EP4192 EP4184 EP4183 EP4182 EP4181
C5605
R5611
C5604
R5612
EP4185
C5616
2
C5615
J4161
[EXT-SP]
J4181
J4001
7
C4861
C4830
R4816 C4862 J4001
R4846
C4881
L4881
C4860
C4828 C4859 R4884 C4885
C4871
C4856 R4036
C4825
Q4881
C4832 L4884 R4037
C4826 L4848 L4849 R4038
R4039
L4819
C4887
R4040 R4042
C4853 C4850
L4872
C4820 C4852 C4854 R4043
R4041
C4819 L4846 L4882 L4885
C4872
L4816 R4045 R4044
D4035
C5162 R4046
C5172
C4888 C4889 D5221
L4844
MP5241
L4883
L4813 L4843 C5226
C4875
L5221 L5223
L4886
EP5221 R5221
C5227
C4886
L4841
C5063
C5062
MP5281
L4591 L4611
C4608
4
C4609
C4593
C4612
C4592
C4610
C4594
C4613
L4593 L4613 EP5162
C5166
C4647
C5167
C4596 C4595 C4615 C4614
R5166
R5168
R5164 L5162
L4594 L4614 R5165
R5163
R5162
C4697
L4641
C4598 C4597 C4615 C4614 C5164
C4645
C4600
D4642
R4641 R4644
L4595 L4615
C4642 L4635
C4644
C4643
C4631 R5582
C5587 R5585
R4632
R4642 R4643
R5592 R5588
R4661 R5589
L4661 L4633 L4634
Q5581 R5581
D4632
C5581
C4633
C4661
C4664 C4663 R4662
R4664
R4663 R4665
L4663 Q4642 Q4644 Q4643
R4667
R4666 C4667 EP4663
R4668 R4689
D4663 D4664
EP4661 C4665
EP4662
R4670 Q4662 Q4661
C4666 C4668 C4681 R4687
R4669 L4675
C4670
C4676
L4665 Q4663
L4668 L4669 L4671
L4666
C4669
R4672
C4689
EP4664 EP4665
C4679
C4674
R5521
C5521
C5622 EP5621
R5503 R5502
IC5521 C5621 C5501
R5501 R5505
C5524 C5523 IC5501
C5526 IC5621
C5525
R5621
R5649
R5650 C5508 C5507
C5623 C5624
C5504 C5646
C5506
C5625 C5626
R5651
IC5502
EP4052
J4051
1
R5654 J4051
C5651
R5653
R5683
R5652
R5655 C4052 EP4053
C4202 C4207 C4205
EP4201 EP4202 EP4203 EP4208
C4201
R5682
C5681
R5685
1
J4201
J4201
R5687
R5681
R5686
J4201
1
The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together.
J4071
J4071
J4001
IC4002
R4035 R4021 IC4001
C4035 C4021
R4022
R4023
R4024
C4071
R4025
R4048 C4041
R4028
R4029 R4026 D4074
C4013 EP4002 EP4001 C4012
R4103
C4104
R4030 R4105
C4037
R4049 R4031 R4101
C4042
R4110
C4023
R4102
R4106
R5061
C4103 R4104 C4105
C5061
C4102
C5242 C5248
C5244 C5247 EP5381
C5385 C5309 EP5301
D4882
IC5241
R5113
C5382 C5356 C5301 C5347 C5384 C 3 5 3 0 C5327 C 3 5 2 0 C5329 C5152
R5105
C5381 C5353 C5305 C5343 C5383 C 3 5 7 0 C5322 C 6 0 3 5 C5324 C5151
C5246 C5245
R5246
C5243
R5203 C5201
C5241
EP5242 R5204
C5202 IC5201
C5203
R5201
R5202
C5204
C5188 C5182
C5187 C5184
IC5181
R5205
C5186 C5185
IC5101
R5184 C5183
EP5182 C5181
C5292
R5286
R5285
C5287
C5288
MP5282 C5289
C5342 C5134 C5374 C5375
C5290 C5291 C5143
C5346 C5132 C5376 C5377
R5584 C5142
EP5281 EP5282
R5583
C5584
R5587
EP5461 C5461
R5590 EP5451
C5588
R5401
R5591 R5593 IC5451 IC5461
R5586
C5582
IC5401
R5561 R4984
R4983
C5561
R5442 R5491 R4982
Q4631 C5591
C5441 C5490
Q5422 Q5482 R5402
IC5561
Q4632
R5426 R5486
C5564 C5562
IC4662
R5423
C5423
IC4902
C5422
CP5642
C5424
CP5643 CP5644
MP5421
B-9007B
MP4381 5
J4141
L4141
L4282
R4382 R4387
R4388 R4389
C4300
C4146
R4385 D4141
R4144
IC4381
C4301
R4142 R4143 R4141
C4302 C5541
C5549
C4303 R5541
C5590
L4381 R4161
C4304 R4162
C4161
R5552 R5553
C5554
D4383
J4051
1
8-6
J4071 J5101
J5101
C4072 R4066 R4067
IC5103 IC5102
C4061
C4075 Q4063 Q4072
D4071
CP5101
C4091
R4062 R4061 R4063 R4064
Q4071
R4090
R4091
Q4061 R5101
IC4061
R4086 R4087
R4093
D4103 D4102
R4112
D5971
R4113
R4111 R4116 R4115
C4372
C4332
C5962 C5963 C5942
R5961 R5962 R5972 R5942
MP4201
IC4331 IC4371
R5968 C5945 R5955
R5964 R5944
C5952
C5916
C4331 C4371 C5923
C I 9 5 1 2 C I 9 5 1 1
C5161
C5922 C5915
EP4232
C5913
C5165 R5924
EP5371 C5914
R4261
R5922 R5915 R5913
R5916
EP5361 C5921
R4321
C5912
IC4262
Q4341 R5932
R5981
C4261
C5335
C4262
R5982
R5983 R5904 R5903
C4263
3
EP5351
R4265 C4264
EP5131
C4270 R4264 C4265
EP5341
R4263
C4266
C4269
L4261
EP4233
EP5352
R4943
EP5391
R4944
R5103
R4945
R4941
R4942
R4946
EP4942
C 9 4 4 0 9 4 C 3 0 C4902 C4901
C5105
R5104
EP5102
R5107
R4904
R5108
R4905
R5044
R5035 R4988
R4985
IC5081
R4996
R4997
R4998
R4999
R5026
R5021
EP4901
C4909 C4910 C4911 C4912
C4913
IC5011
EP4142
C4145
R4107
R4108 R4109
C4101
C5664
C5663
IC5661
D5071
FI5071 R5071 R5072 EP5071
Q4142 J5071
D4142
[ACC]
[MAINTENANCE]
See the PARTS LIST H/V location on the PARTS LIST for location details.
1
C5954 C5955
C5958 R5933
C5959
R5951
R5952 C5956
C5957
C5911
R4986
IC5104
D5081
J5081
6