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IC-92AD
Icom IC-92AD Service Manual
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Refer to
“P
AR
TS LIST
.
”
10 - 1
SECTION 10
V
OL
T
A
GE DIA
GRAM
6.62V
3.32V
5.01V
3.31V
5.48V
0.14V
TX
SQL OPEN
0.11V
CHGC:H
11.20V
CHGH:H
8.05V
CHGC:H
CHGH:H
7.73V
11.69V
10.50V
10.28V
3.00V
3.23V
2.67V
1.32V
LIGHT ON :3.07V
LIGHT OFF:0.20V
5.01V
2.17V
1.63V
SN74AHC1G08DCK3
IC
2
1
2
3
4
5
1k
R154
2.
2
C206
1
C200
1M
R10
0.001
C66
MA2S111
D6
R1150H022
D
IC
1
0
0
1
VOUT
2
GND
3
CD
4
VDET
5
VDD
MA2S111
D100
0.001
C152
24LC512T
IC51
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
100K
R100
0.001
C56
0.001
C150
0.001
C68
RB551V
D101
CP10S
CP5
MA2S111
D200
0.001
C8
L100
100U
560
R211
1k
R6
0
R200
10P
C64
0.001
C7
0.001
C70
MA2S111
D51
0.
1
C102
1
C204
47K
R51
SHORTLAND
CP1
0.22
C62
0.1
C16
0.
1
C1
47K
R55
12
R150
10
R12
100
R63
15P
C13
3.9k
R52
2SB1201
Q151
330
R212
1k
R4
1k
R7
0.001
C53
0.001
C50
8.
2
R153
10P
C58
1k
R2
12
R151
560
R206
2SD2216J
Q50
0.001
C10
0.001
C219
1k
R5
0.001
C69
0.001
C55
MA2S077
D1
3
0.
1
C3
10K
R54
M
A132W
K
D4
10K
R58
0.001
C114
MA2S111
D2
22
C105
0.1
C17
1k
R155
1
C202
0.
1
C12
LOGIC UNIT
0.001
C54
47K
R16
0.
1
C100
22
C104
47K
R53
0.001
C153
0.22
C63
0.001
C215
XC6371A551PR
IC
1
0
1
1
VSS
2
VOUT
3
LX
330
R158
12K
R11
OG-321610G
MP2
4
47K
R8
12K
R14
M
A2S111
D54
MA2S111
D3
0.
1
C2
0.001
C67
0.
1
C4
1k
R56
22
P
C51
MA2S728
D50
0.22
C61
CP10S
CP4
SB07-03C
D151
1k
R1
1k
R208
22
C107
0.001
C115
MA6S121
D1
22
P
C15
47
C32
10
R9
2.2
C205
0.
1
C101
0.001
C9
0.001
C6
330
R203
1k
R3
2.
2
C208
MA2S111
D11
2SD2216J
Q51
CP10S
CP7
CP10S
CP2
0.001
C151
560
R209
MA2S728
D5
2
2.
2
C207
47K
R67
XP1501
Q15
3
1
2
34
5
0.22
C60
100
R62
0.001
C5
1
C201
0.
1
C57
CP10S
CP3
0.001
C214
1k
R65
HR
YG
CL-165HR
DS201
1
C203
100K
R202
CD4066BPW
R
IC50
1
I/O
1
2
O/I
1
3
O/I
2
4
I/O
2
5
CONT2
6
CONT3
7
VSS
8
I/O
3
9
O/I3
10
O/I4
11
I/O
4
12
CONT4
13
CONT1
14
VD
D
100K
R64
33
0
R204
0.001
C52
MA133
D150
CP10S
CP6
1k
R50
I
MSA-9631S-27Y921
J200
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
A
XK816145YG
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CD4094BPWR
IC53
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q’
S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
100
U
L101
0.1
C108
0.001
C216
0.001
C217
0.001
C218
0.001
C117
1
C116
1
C113
MA8082
D53
0.001
C71
47K
R15
RY-SP192UYG24
DS202
RY-SP192UYG24
DS203
RY-SP192UYG24
DS204
RY-SP192UYG24
DS205
RY-SP192UYG24
DS206
RY-SP192UYG24
DS207
RY-SP192UYG24
DS208
RY-SP192UYG24
DS209
KEY
S2
KEY
S3
KEY
S4
KEY
S5
KEY
S6
KEY
S7
KEY
S8
KEY
S9
KEY
S10
KEY
S11
KEY
S12
KEY
S13
KEY
S14
KEY
S15
KEY
S16
KEY
S17
KEY
S18
KEY
S19
KEY
S1
MAX3221IPWR
IC52
1
EN
2
C1+
3
V+
4
C1-
5
C2+
6
C2-
7
V-
8
RI
N
9
ROUT
10
I
NVALI
D
11
DI
N
12
FORCEON
13
COUT
14
GND
15
VCC
16
FORCEOFF
22
C106
10
C103
HAT1024R
Q100
5
D2
6
D2
7
D1
8
D1
1
S1
2
G1
3
S2
4
G2
330K
R60
68K
R61
68K
R160
330K
R159
47K
R110
RSQ035P03TR
Q101
1
2
3
4
5
6
15K
R107
0.
1
C118
220P
C110
10K
R105
0.01
C121
2.2M
R111
1M
R112
NTCG16
R66
MMZ1005Y102CT
EP50
MMZ1005Y102CT
EP5
1
MMZ1005Y102CT
EP5
2
MMZ1005Y102CT
EP5
3
MMZ1005Y102CT
EP100
MMZ1005Y102CT
EP101
MMZ1005Y102CT
EP102
UNR9213J
Q15
2
UNR9213J
Q200
UNR9213J
Q20
1
XC6204B332M
IC
1
0
3
1
VI
N
2
VSS
3
CE
4
NC
5
VOUT
2SA1588
Q15
0
UNR9213
J
Q52
UNR9113J
Q10
2
22K
R116
150P
C120
6.
8
R152
100K
R606
OG-321610G
MP501
XC9201D09AKRN
IC
1
0
2
1
EXT
2
LSEN
3
VI
N
4
CE/SS
5
CLK
6
CC/GAI
N
7
VOUT/FB
8
VSS
100K
R115
1M
R113
1M
R114
2.7k
R156
3.9k
R157
2.7k
R161
22
R104
68
C111
U
NR9115J
Q53
HD64F2239TF16V
IC
1
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
2.2M
R106
220K
R108
L
MV331IDCKR
IC
1
0
4
1
IN+
2
GND
3
IN
-
4
OUT
5
VCC+
MA2S111
D103
12
P
C14
CR-864
X1
UNR911HJ
Q20
2
560
R205
560
R207
330
R210
0.001
C123
47K
R57
22
C109
100
R213
100
R214
3066
MP511
3066
MP512
SML-A12M
T
DS210
SML-A12M
T
DS211
0.
1
C124
4.
7
C112
33
C420
22P
C119
D102
RB161VA
0.56
R101
0.56
R102
I1
KS2
AMBESTB
AMBEEPR
I0
KS1
KS3
KS0
KS3
KR4
KR3
KR2
KR2
AMBECLK
DATA
DIUD2
CLSF
T
KR4
PCON
DV
C
DTMF
CPUHV
CTCOUT
CHGH
KS2
CHGC
KR3
D
ASTB2
CK
AMBETXD
AMBERES
I3
I2
KR1
AMBERXD
POWER
AMBEC
BPS
BPLSTB
KR1
KR0
KS0
I2
KS1
RESET
MD2
AMBERXD
AMBETXD
LCDCS
LCDRES
LCDRS
LCDCK
LCDDT
LCDDT
LCDCS
L
CDCK
LCDRS
LCDRES
KR0
SPS
W
I
OSTB4
I
OSTB3
DASTB1
AFON
APLLSTB
TXC
DICK2
BLED
LIGHT
BATT
ESIO
ECK
PTT
SQL
I
OSTB1
DIUD
ANOIS
BNOIS
DICK
BTONE
BRSSI
S-TXV
ATONE
TEMP
VI
N
FLASHV
RXCK
RXDT
RESET
MD2
ACQ
DCEL
RXCK
RXDT
TXDT
TXCK
TX232
RX232
RX232
RESET
FLASHV
CPUHV
+5.5V
HV
232I
N
232OUT
LIGHT
BLED
TXC
CHGC
CHGH
BATT
BATT
TEMP
TTEM
P
VI
N
CVCC
+3V
CHG
MIC1
MIC2
M
ICC
MUT
E
CK
DATA
I
OSTB4
OPTV
TX232
RX232
+3V
UNLK
INTPTT
+3V
CLONE
ESIO
ECK
TXC
+3V
232GND
DTCS
D
_AS
+5V
VCC
PCON
I1
I0
I3
COMMON
CONTROL
RX(Analog voice)
TX(Digital voice)
RX(Digital voice)
TX(Analog voice)
51
53
Table of Contents
Default Chapter
3
Table of Contents
3
Specifications
4
Inside Views
5
Bottom View
6
Main Unit
6
Top View
6
Section 3Disassembly Instruction
9
Circuit Descripiton
9
Receiver Circuits
9
D102
10
Transmitter Circuits
13
Frequency Synthesizer Circuits
14
Cpu Port Allocation
15
Voltage Diagrams
16
Adjustment Procedures
17
Preparation
17
Transmit Amplifier Adjustment
19
Frequency Adjustment
26
Deviation Adjustments
27
Receive Adjustments
30
Parts List
35
Logic Unit
36
Vco Unit
45
Oscout Gnd
55
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Instruction Manual
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Icom IC-92AD Specifications
General
Brand
Icom
Model
IC-92AD
Category
Transceiver
Language
English
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