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SECTION 11
VOLTAGE DIAGRAMS
11-1 FRONT UNIT
J2
DIM
DAST
RMUT
MMUT
OPT3
OPT2
OPT1
BUSY
SCK
SI
SO
CIRQ
CCS
MIC
EPTT
HORNO
BEEP
PWON
8V
GND
GND
TONE
TENC
NOIS
NWC
TMUT
UNLK
PLST
CDEC
SDEC
OV12
RSSI
LVIN
TEMP
BATV
RXC
AFON
5V
CPU5
AFO
to
MAIN
unit J2
IC1
HD6433687A05FP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
P86/AN6
P87/AN7
AVCC
X2
X1
VCL
RES
TEST
VSS
OSC2
OSC1
VCC
P50/WKP0
P51/WKP1
P34
P35
P36
P37
P52/WKP2
P53/WKP3
P54/WKP4
P55/WKP5/ADTRG
P10/TMOW
P11/PWM
P12
P56/SDA
P57/SCL
P74/TMRIV
P75/TMCIV
P76/TMOV
P24
P63/FTI0D0
P62/FTI0C0
P61/FTI0B0
NMI
P60/FTI0A0
P64/FTI0A1
P65/FTI0B1
P66/FTI0C1
P67/FTI0D1
P85
P86
P87
P20/SCK3
P21/RXD
P22/TXD
P23
P70/SCK3_2
P71/RXD_2
P72/TXD_2
P14/IRQ0
P15/IRQ1/TMIB1
P16/IRQ2
P17/IRQ3/TRGV
P33
P32
P31
P30
P83/AN3
P82/AN2
P81/AN1
P80/AN0
P84/AN4
P85/AN5
C74
47p
C50
47p
C54
47p
L2 1.0
µ
PWON
BEEP
DIM
TONE
DAST
TENC
RMUT
NOIS
MMUT
NWC
OPT3
TMUT
OPT2
UNLK
OPT1
PLST
BUSY
CDEC
SCK
SDEC
SI
OV12
SO
RSSI
CIRQ
LVIN
CCS
TEMP
MIC
BATV
EPTT
RXC
HORNO
AFON
UNLK
RXC
R56
1k
P0
P1
CENC2
CENC1
CENC0
P2
P3
SCK
SO
8
7
ESCL
ESDA
6
5
1
2
3
4
VCC
WP
SCL
SDA
A0
A1
A2
VSS
IC3
HN58X2416TI
R58
10k
R68
10k
R54
1k
R53
1k
SI
BUSY
OPT2
OPT1
OPT3
AFON
NWC
PWON
TMUT
EXOE
EXST
R52
1k
R50
1k
POSW
DIM
NOIS
CIRQ
CCS
PTT
EPTT
AFVI
CDEC
SDEC
OV12
RSSI
LVIN
CLO
CLI
D5
MA2S111
CP1
C35 0.1
TEMP
BATV
RES
R51 100k
SENC0
SENC1
R48
12k
R49
12k
D4
MA77
C34
470p
R47
12k
C33
68p
C32
15p
X1
CR-520
R45
10
C31
22p
R46
1M
CD
NC
OUT
VDD
VSS
R67
10k
C30
0.027
IC2
S-80942CNMC-G9C
RMUT
MMUT
DUSE
DUSE
Q3
DTC144EU
C19
0.1
R29
18k
C85
0.001
R28
4.7k
14
+
-
12
13
IC5
NJM12902V
TENC
C17
820p
C16
0.1
R27
47k
R26
47k
C15
0.015
R24
47k
R25
22k
R22 22k
R21 56k
R20 180k
C14
0.001
CENC0
CPU5V
CPU5V
5V
5V
8V
5V
8V
CENC1
CENC2
7
IC5
NJM12902V
6
5
-
+
TONE
BEEP
C24
68p
R39
68k
C23
0.0082
R38
68k
1
IC5
NJM12902V
2
3
-
+
C21
0.0056
C22
180p
R37
68k
SENC3
R33 22k
R36
68k
C20
0.0027
R35
68k
R34
22k
R32 47k
SENC2
SENC1
R31 100k
SENCO
R30 220k
C29
10
11
GND
V+
4
IC5
NJM12902V
C28
0.1
-
+
9
10
IC5
NJM12902V
8
C87
0.001
R44 150k
C27 270p
C76
0.1
R43
33k
R42
39k
C25
0.01
C26
0.1
R41
10k
R40
47k
J1
8V
CLO
AFO
PTT
MICE
MIC
GND
CLI
C78
0.001
R16 1k
L1 10
µ
R71 1k
C7
47p
C8
0.001
C9
0.001
C10
0.001
C11
47p
C12
0.001
R19
100k
D3
MA8056
CLO
CLI
R18
100k
D2
MA8056
PTT
CP2
R17
100k
R69
100k
D1
MA8056
BEEP
R59
RV-150
P3
C6
47p
P2
P1
P0
POSW
C5
47p
C4
47p
C3
47p
C2
47p
R64
100k
R63
100k
R62
100k
R61
100k
R60
100k
R14
10k
AFVI
5V
S1
S2
S3
S4
S5
1
2
3
4
6
7
8
9
10
5
CH1
CH2
CH3
CH4
LP0
LP1
LP2
LIGT2
LIGT1
11
12
13
14
15
16
17
18
19
20
IC4
BU2092FV
VDD
QE
Q11
Q10
Q9
Q8
Q7
NC
NC
Q6
VSS
DATA
CLK
LCK
Q0
Q1
Q2
Q3
Q4
Q5
Q1
2SC4081
R11
560
R12
390
Q2
DTC114TU
HORNO
5V
EXDE
R65
100k
C1
0.1
R1 1.8k
FRONT UNIT
R2 390
DS1
CL-165HR/YG
DS2
R3
TLED
RLED
1k
DS3
R4
1k
R5
1k
DS4
DS5
R6
680
R7
680
DS6
R8
680
DS7
R9
680
DS8
DS9
R72
1.5k
R10
1.5k
DS10
DS2-10 SML-311YT
to
mic
Jack
SO
SCK
EXST
R13
10k
C77
0.047
R70 1.5k
R66
100k
R15 1k
5
4
1
2
3
C75
0.1
SENC3
SENC2
PLST
DAST
R55
1k
BEEP
R57
1M
C36
0.1
R23
47k
C86
0.001
R73
390k
Dim ON: 2.6V
OFF: 7.2V
TX: 0V
RX: 4.9V
7.9V
19.7 MHz
2.1Vp-p
5.0V
DTCS ON: 4.9V
OFF: 0V
MEASUREMENT CONDITIONS
VOLTMETER
Amplitude(Oscilloscope) : 100 MHz
Frequency : 465 MHz
Transmission : 25 W
11 - 1
Summary of Contents for IC F110S
Page 1: ...SERVICE MANUAL VHF TRANSCEIVER iF110S iF111S iF121S ...
Page 31: ...SP 14 8 1 1 7 14 8 7 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT ...
Page 36: ......
Page 37: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13906HZ C1VS e 2003 Icom Inc ...
Page 38: ...SERVICE MANUAL UHF TRANSCEIVER iF210S iF211S iF221S ...
Page 68: ...SP 14 8 1 1 7 14 8 7 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT ...
Page 73: ......
Page 74: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13906HZ C1US w C 2002 2003 Icom Inc ...