Icom IC-A16 Service Manual page 27

• MAIN UNIT (B-8941C: TOP VIEW)
KR0
KR1
KR2
KR3
KS0
KS1
KS2
KS3
+5V
10KEY_LED
BTRXD
BTTXD
BT_DEMP
CPU_DEMP
BTTEST
H_PTT
BT_SW
HOPC
BTAF
BTMIC
HV
GND
Q503
R794
C517
R804
Q519
Q518
R803
R639
Q517
R805 R802
R641
C524
D508
R630
C694
C721
B8941C
Q7
C61
C21
R305
Q10
C372
C401
R33 R24
R329
R43 R69
R32
C400
Q515
R35
R12
R23
R37
C51
R5
R785
R337
R335
R336
R86
R74
C116
IC12
C119
IC10
R295
R54
D8
R55
R121
R297 R296
C389
R127
C174
C95
R134
IC501
Q36
R306
R280
Q35
C520
R284
C376
R282 C375
R273
R274
D45
R276
The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together.
[SQL ▼] [SQL▲]
5 S 3 0 5 S 2 0
DS504
C69
C66
Q9
C83
IC6
MP9
C65
C415
R767
R770
C685
C388
R772
C185 R149
R188
C396
R316 R318
DS505
R165
R773
C212
7-3
[PTT]
S500
MC1
C150
R233
R242
C313 R258
R249
IC510
C289
EP15
C339
R241
C326
R237
C716
C53
C48
2 4
EP2 C47
MP3 C20
C13
EP1
1 3
C134 C18
C145
IC3
C16
R103
R670 Q1
C137
R6
C147
C3
C27 R19
C25
Q523
Q512 R20 R1
R105 Q511
R671 C89
[SP] [MIC]
See the PARTS LIST H/V location on the PARTS LIST for location details.
D39
R248
R796
C332
C363
D44
C365 R268
D42
Q2
C718
R209
IC16
C283 R668
C717
R669
IC17
Q522
S504
R128 R332
R122 R331