Icom IC-A110 Service Manual page 35

TX: 0 V
RX: 5.6 V TX: 0 V
TX: 0.39 V
RX: 2.08 V RX: 1.7 V
C358 C23
RF AGC
47p 0.75p
Q1
L49
3SK184 LS-527
TUNE
R8
D53 D54
RF AGC
MA2S111 MA2S111
C418 L67 L35 L68 L69 C520 R468 C554 R473
0.001 30nH 17nH 8.8nH 17nH 270p 2.2 470p 180
Q51
MRF137
R219
39
TX: 7.94 V
RX: 0 V
T8
R415 C74
1k 18p
C72
20p
Q14
2SC4403
TX: 5.42 V
RX: 5.44 V
R194
2.7k
R451
4.7
TX: 1.03 V TX: 3.72 V
RX: 0 V RX: 3.73 V
Q44
2SC4226
L33 D64 C195 C538 C539
0.82uH HVU350 20p 120p 10p
L40
C188
C391
MC152-
33p
0.5p
E558CN-
100025 Q43
2SC4226
R256
R460
2.7k
4.7
TX: 0 V
Q59
RX: 0.8 V
2SC4226
L42 D65 C545 C547 C546
0.82uH HVU350 12p 24p 9p
TX: 3.64 V
RX: 3.65 V
L41
MC152-
E558CN-
100024
FN C70
0.001
8
FIN2
C68
7
BS2 0.001
6
Q12
BS1
5 2SC4403
STB
4
IC41
DATA
3 TA8208H
CLK
2
GND
1
FIN1
C206 C209 R209
470 0.47 47k
C398
W38 0.22
R8
MOD
AF
8V
VCC
5V
MOD V
C342 C165 C10 D38 C362 L5 L4
4p 27p 56p 1SV271 0.001 LA-244 LA-244
L9
LS-527
TX: 0 V
RX: 0.83 V
Q73
2SC4081
MOD V
L70 L71 L50 C20 L6 C11
LA-232 LA-382 LA-262 0.001 LA-235 0.001
13.53 V
DC2 D5
MOD V RB706F-40
T8
Q98
2SA1586
TX: 6.68 V
TX: 2.44 V
RX: 0 V
R429
RX: 0 V
10k
R424
100k
Q11
R426 R425
2SC4081
47k 22k
4
0 V
IC50
R430
TA75S01F
12k
TMUT Q99
TX: 1.69 V
2SC4116
RX: 0 V
R65 10.44 V
15
VCC
5.0 V
IC29 IC7
BA08FP S-81350HG-KD
VCC
I O I O
G G
MOD V
8V
Q53
R8 DTB123EK
Q100
FW215
Q72 8
D1
XP4315 7
D1
3 4 6
D2
5
D2
C530
2 5
0.0056
1 6
C529
0.047
TX: 0 V
VCC
RX: 7.93 V
(W36)
CP7 CP6 CP5
C6 L3 L2 L48
0.001 LA-263 LA-253 LA-243
C4 C2 C330
1.5p 5p 9p
5.03 V
IC26
TA78L05F
CPU5V
O I
G
L7 R1
LW-25 100
T8
R471
22k
PSWC
Q102
D4
2SC4081
RB706F-40
T8
IC48
TC4W53FU
8
5V
AF 7
6
MOD
5
R280
C140 10k
5 0.001
R148
1
+ 22k
3
— TRC
2
R150 10k W32
IC44
uPC311G2
5 4
6 3
7 2
Q23
2SB1132 8 1
Q22
R442
R127
2SC4211
10k
10k
D15 5.0 V
MA111
PSWC
MOD V
C505
470
Q94
D66 Q101
FW215
SB07-03C DTC144EU
1 VCC
S1
2
Q1
R440
3
S2 R466 10k
4
10k
G2
Q97 Q96
D62
DTC144EU DTC144EU
SB07-03C
TX: 0 V
W35
SQL Open: 4.9 V 10.45 V
SQL Close: 0 V
VCC
MOD
AF
VCC VCC
5V
L62 L63
HK-08S070- HK-08S070-
1310 1310
C453
3.3
IC47
HIP4081AIB
20
Q93
BHO
2SK2414-Z
19
BHS
18
Q92
BLO
Q82 L78 2SK2414-Z
17
2SC4081 ZBFS5101-PT BLS
16
VDD
15
VCC
14
FI5
ALS
ACF321825-223 13
ALO
12
AHS
11
AHO
D56
39.7 V DE5SC6M
IC46
MC33063AD
R404
1
1 8
2.2k SWC DRVC
2 2 7
SWE LPKSEN
3
3 6
TIMCAP VCC
4 4 5
GND COMPIN
C120
0.47
L65
10uH
IC45
NJM072BM
1 8
2 7
C446
3 6
330p
4 5
R412 R393
10k 15k
W34
Q87
D55 L60
2SK2414-Z
SB07-03C 10uH
W43
20 1
BHO BHB
19 2
BHS BHI
18 3
BLO DIS
W44 17 4
BLS VSS
L53
16 5
HK-08S070-1310 VDD BLI
15 6
VCC ALI
14 7
D26
ALS AHI
13 8
DE5SC6M
ALO HDEL
12 9
AHS LDEL
11 10
AHO AHB
Q88 IC43
2SK2414-Z HIP4081AIB
CHASSIS
MOD V W3 J1
W2
(ANT)
L64
HK-08S070- L80
W4
1310 ZBFS5101-PT
DC1
L81
ZBFS5101-PT GN1 GN2
(W37)
1
BHB
2
BHI
3
DIS
4
VSS
5
BLI
6
ALI
7
AHI
8
HDEL
9
LDEL
10
AHB
L61
HK-10S080-1210
Q91
2SK2414-Z
FI6
BNX-002-01
1 2 CP3
+
1
3 4 5 6
CP4
—
2
D36 EP2
W1
DSA3A1
13.72 V
Q90
2SA1471R
5 4
Q89
XP1501
1 2 3
10.1 V
IC15
MC33063AD
1 8
SWC DRVC
2 7
SWE LPKSEN
3 6
TIM CAP VCC
4 5
GND COMPIN
COMPLETE VIEW