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TS
POWER
VUP
VDN
V/M
SCAN
SQL
8V
L3
L4
L5
L6
L7
L8
L3~L8
ACB1608M-600 A
CLON
AFO
PTT
MICE
MIC
GND
HANG
SQLI
PDET
MIC
MICE
VCC
GND
GND
GND
GND
GND
GND
PTT
PTTS
GND
R/T
SPE
SPE
SP
SP
PRI
from/to Main
KR1
KR2
KR1
KR2
SEG24
8V
SEG23
SEG22
SEG21
SEG20
SEG19
KR4
SEG18
SEG17
SEG16
PSWC
SEG15
BEEP
SEG14
SEG13
ECK
SEG12
ESO
SEG11
ECS
SEG10
DLA
SEG9
DLB
SEG8
OE
SEG7
EXSTB
SEG6
VCS
SEG5
BEEP
PSWC
5V
CPU5V
ESI
ECK
RMUT
ESO
AFMUT
SMUT
VCS
8V
SCK
SO
5V
BEEP
TRC
TMUT
UNLK
PSWC
PLSTB
CPU5V
SO
SCK
EXSTB
SO
OE
SCK
TMUT
LED1
RMUT
LED2
AFMUT
TRC
SMUT
ECS
LEDC1
LEDC2
8V
8V
LED2
LED1
8V
LED2
LED1
CLO
CLIN
HANG
LED1
LED2
5V
HANG
8V
PSW
KR4
COM4
COM3
COM2
COM1
SEG1
SEG2
SEG3
SEG4
SCK
SEG5
ESI
SEG6
SO
SEG7
PTTS
PLSTB
SEG8
HANG
SEG9
PDET
SEG10
SQLI
SEG11
SEG12
PSW
SEG13
CLO
SEG14
CLIN
SEG15
UNLK
SEG16
SEG32
COM4
SEG17
SEG31
COM3
SEG18
SEG30
COM2
SEG19
SEG29
COM1
SEG20
SEG28
SEG1
SEG21
SEG27
SEG2
SEG22
SEG26
SEG3
SEG23
SEG25
SEG4
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
PTTS
SQLI
KR3
KR3
FISW
FISW
R/T
R/T
IC1
PB7/AN7
1
PB6/AN6
80
P32/RESO
20
P33/SCK31
21
P53/WKP3/SEG4
40
P54/WKP4/SEG5
41
P77/SEG24
60
P80/SEG25
61
AVSS
2
X1
3
X2
4
VSS
5
OSC2
6
OSC1
7
TEST
8
RES
9
P10/TMOW
10
P11/TMOFL
11
P12/TMOFH
12
P13/TMIG
13
P14/IRQ4/ADTRG
14
P15/IRQ1/TMIC
15
P16/IRQ2
16
P17/IRQ3/TMIF
17
P30/PWM
18
P31/UD
19
P34/RXD31
22
P35/TXD31
23
P36/AEVH
24
P37/AEVL
25
CVCC
26
VSS
27
V3
28
V2
29
V1
30
V0
31
VCC
32
PA3/COM4
33
PA2/COM3
34
PA1/COM2
35
PA0/COM1
36
P50/WKP0/SEG1
37
P51/WKP1/SEG2
38
P52/WKP2/SEG3
39
P55/WKP5/SEG6
42
P56/WKP6/SEG7
43
P57/WKP7/SEG8
44
P60/SEG9
45
P61/SEG10
46
P62/SEG11
47
P63/SEG12
48
P64/SEG13
49
P65/SEG14
50
P66/SEG15
51
P67/SEG16
52
P70/SEG17
53
P71/SEG18
54
P72/SEG19
55
P73/SEG20
56
P74/SEG21
57
P75/SEG22
58
P76/SEG23
59
P81/SEG26
62
P82/SEG27
63
P83/SEG28
64
P84/SEG29/M
65
P85/SEG30/DO
66
P86/SEG31/CL2
67
P87/SEG32/CL1
68
P40/SCK32
69
P41/RXD32
70
P42/TXD32
71
P43/IRQ0
72
AVCC
73
PB0/AN0
74
PB1/AN1
75
PB2/AN2
76
PB3/AN3
77
PB4/AN4
78
PB5/AN5
79
IC4
CS
1
SO
2
WP
3
VSS
4
SI
5
SCK
6
HOLD
7
VCC
8
IC3
1
2
3
4
5
6
7
8
IC5
STR
1
D
2
CLK
3
Q1
4
Q2
5
Q3
6
Q4
7
VSS
8
QS
9
QS
10
Q8
11
Q7
12
Q6
13
Q5
14
OE
15
VDD
16
Q2
Q3
D5
MA111
D6
C27
PTT
MICE
MIC
5V
8V
SP
10
+
J2
DS1
COM4
1
COM3
2
COM2
3
COM1
4
SEG1
5
SEG2
6
SEG3
7
SEG4
8
SEG5
9
SEG6
10
SEG7
11
SEG8
12
SEG9
13
SEG10
14
AEG11
15
SEG12
16
SEG13
17
SEG14
18
SEG15
19
SEG16
20
SEG17
21
SEG18
22
SEG19
23
SEG20
24
SEG21
25
SEG22
26
SEG23
27
SEG24
28
SEG25
29
SEG26
30
SEG27
31
SEG28
32
SEG29
33
SEG30
34
SEG31
35
SEG32
36
DS2
DS3
DS5
DS6
DS7
X1
IC2
OUT
1
VDD
2
VSS
3
NC
4
CD
5
L1
L2
R1
R2
R4 15k
R5 15k
R6 15k
R7 15k
R8
R10
R11
R12
R13
R14
47k
18k
R15
C37
47P A
R16
6.8k
33k
R17
R18
100k
R19 100k
R20 100k
R21 100k
R22 100k
R23
R24
1k
R28
R29
100k
R30 10k
R26
R31
R32
R33
R34
R36
R37
R38
R41 27k
R42 27k
R43 15k
R44 15k
R45 15k
R46 27k
R47 15k
R27
C1 0.001
C2 0.001 C
C3 47p
C4 47p C
C5 0.001
C6 47p C
C7
C8
C9
C10
C11
C12
C13
0.1
C14
C15
C17
C19 0.001
C18 0.001
C20 0.1
C22
C23 4.7
+
C24 0.1
C25
0.1
C26
0.1
C28
C29
C30 0.01 A
47p C
C31
C32
C36
J1
W4
W2
W1
SP
SPE
C33 0.001
C34 0.001
C35 0.001
R9
C16
C21
R3
Q6
Q4
6
5
4
3
2
1
S8
S2
S3
S4
S5
S6
S7
Q5
W3
Q7
Q1
SP1
+
-
S1
A
B
COM
2
3
1
4
5
PDET
GND
GND
GND
11
13
25
37
39
9
7
35
33
31
29
27
23
21
19
17
15
5
3
1
DS4
CL-170Y-CD
CL-170Y-CD
CL-170Y-CD
CL-170Y-CD
CL-170Y-CD
CL-170Y-CD
180
180
270
DTA143ZU
DTC114EU
DTA143ZU
DTC114EU
0.1
HLC7453-012400
47p
100k
EVQB2CFC620B
0.001
10k
S-80942ANMP-DD6
0.1
0.027
0.001
0.1
30p
30p
EF0P3684E5
1M
100k
100k
100k
100k
100k
100k
22k
100k
0.1
X25170SI-2.5T3
0.001
0.001
HD6433823A80D A
HD6433823A19D C
0.001
10k
10k
10k
3.3k
100k
XP4315
0.1
BU4094BCFV
DA204U
470p
470p
0.001
100k
ACB1608M-600 A
0.22
µ
H C
TC7W04FU
2SA1622
2SC4211
MICROPHONE
CP1
CP4
Unit J5
to
ACB1608M-600 A
1
µ
H C
Note
A : [A110EURO]
C : [A110]
C38
0.001 A
Dimmer OFF : 0V
Light : 7.8V
Dark : 6.1V
Dimmer OFF : 0V
Light : 7.7V
Dark : 6.1V
RX : 0V
TX : 4.95V
RX : 7.07V
TX : 0V
5.0V
1.51V
3.0V
4.5V
5.04V
4.75V
0V
4.95V
Dimmer OFF : 0V
Light : 7.8V
Dark : 6.1V
SECTION 10
VOLTAGE DIAGRAM
10-1 FRONT UNIT
10 - 1
Summary of Contents for IC-A110
Page 16: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 7 VOLTAGE DIAGRAM 9 Jun 2008 ...
Page 36: ...SERVICE MANUAL VHF AIR BAND TRANSCEIVER iA110 iA110EURO ...
Page 54: ...4 6 DC power supply 13 75 V 10 A L9 R59 L49 L10 L11 RX sensitivity adjustment ...
Page 79: ...S 13608HZ C1 2 c 2001 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan ...