Icom IC-2300H, Service Manual Addendum

Page: 9 / 41

Feb. 2012
8
SECTION 10 SECTION 10. VOLTAGE DIAGRAM
*: Refer to the PARTS LIST for the value and name of component.
• LOGIC UNIT
D3 DZ2J091M
R7
NTCG10
*D23
C41
0.1
C67 10
C102 0.22
C28 0.001
R519 680
R91 120K
C15 0.001
R87
EXB28V102J
R10
10K
R559
100K
C64 0.01
IC28
CD4066BPWR
1
I/O1
2
O/I1
3
O/I2
4 I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
C39
0.001
R6 470K
X1
CR-910
C14 0.001
C53
120P
R556
EXB28V102J
R133 47K
R21
68K
R32 1.2K
R84 1.5K
R19 1K
R11 22K
C8 0.01
R561 0
Y
G
DS9 HT-297UY/UYG
IC4 NJU7704F3-42A
1
CD
2
VSS
3
MR
4
VOUT
5
VDD
R555
EXB28V102J
R5 330K
C54
0.01
R28
100K
C55 10P
R562
0
*D16
R53
1.5M
Q8
2SC4116
C68 0.1
R24 15K
R59 15K
C30 47P
R554 10K
R41 12K
C79
220P
IC30
CD4094BPWR
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+
C77 2.2
*EP7
R45 3.9K
C80 0.1
C5 47P
R557
EXB28V102J
C23 0.001
R40
47K
R17
68K
C7 0.001
R31 220K
*EP3
Q2
LDTC144EE
R69 150K
IC6
CD4066BPWR
1
I/O1
2
O/I1
3
O/I2
4 I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
R67
18K
D21
LDAN222
R48
1M
C99 0.0033
IC25
M61545AFP
1
VIN1
2
VOUT1
3
GND
4
DATA
5
CLOCK
6
VCC
7
VOUT2
8
VIN2
*EP8
R16 68K
R93
1K
Q5
LDTC144TE
R50 1M
C49 0.1
R3 10K
R35 100K
R80
10K
Q3
DMG504010
1
2
3 4
5
6
C71
0.01
R76
18K
Q11
2SC4116
R70 39K
*D28
C88 0.22
C31 47P
R25 10K
EP1
MMZ1005Y102CT
R29
10K
C87 0.22
C57
0.0027
C11 0.001
R36
12K
R14 4.7K
R105 100K
C76 0.033
Y G
DS6 HT-297UY/UYG
*D13
R37
100K
D6
DA221
C70 0.01
D1 AVR-M1005C080MT
C46 0.022
IC24
LMV321IDCK
1
2
3
4
5
D4 LDAN222
R82
10K
R78 100K
R27
39K
C59 15P
*EP5
C33 0.047
R34 68K
D8
LDAN222
D9
LDAN222
J1
1
2
3
4
5
6
7
8
R15 1K
R58 100K
C51 0.027
C73
2.2
*EP6
C35 0.033
C86 0.001
R74
150K
EP2
MMZ1608Y102BT
R101
4.7K
C13 0.001
C42
0.047
Q7
2SC4116
C66 0.01
D2 L1SS400
R114 1K
D27
L1SS400
Y G
DS8 HT-297UY/UYG
C16 0.001
R49 27K
R47
100K
R103
150K
C45 0.01
IC29
CD4094BPWR
1
STR
2
D
3
CLK
4
Q1
Q2
Q3
5
6
7
Q4
8
GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
*D17
R137 220K
C4 0.1
C43
0.047
R60 220K
R9 22K
Q10
2SC4116
*D12
Y
G
DS7 HT-297UY/UYG
Y G
DS3 HT-297UY/UYG
R2 120K
C100 330P
R81
120K
C47 0.1
C20 0.001
C48 0.0022
*D22
*EP4
C103 0.001
C52 47P
D7
LDAN222
R558
10K
C38 0.0018
C10 0.001
C56
0.0022
C34 0.0068
D25
HVC376B-E
R12 100K
R108 10K
C78 0.01
R64 1M
R8
2.2K
Q1
L2SC4081
C37 0.01
Y
G
DS5 HT-297UY/UYG
C85
0.1
R51 10
R30 15K
C75 270P
R135 4.7K
R1 12K
C82 0.001
IC1
R5F2L3AACNFP
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
C83 0.1
C89 0.1
C101 0.1
R564 100K
R565 100K
R566
100K
R567
100K
R568
100K
R569
100K
C104 0.001
D32 L1SS400
D33 L1SS400
R134 47K
C105 0.1
R57 10K
C62 0.1
C92 0.0047
C91 0.0047
C90 0.0047
C97 0.0047 C96 0.0047 C95 0.0047
C94 0.0047
C61 0.0047 C60 0.0047
C58 0.0047
D36
L1SS400
R573
1K
R570 47K
R572
0
D37 L1SS400
CP7
R61
R0903N-B50K
R62
R0903N-B50K
R90 330
R79 330
R95 150
R18
560K
R563
270K
R83 33
R86 33 R88 33 R89 33
R94 33 R97 33
R99
4.7K R85
4.7K
C44
0.056
C108 10
C74 0.0039
IC3
V+
4
GND
11
IC3
2
3
1
IC3
13
12
14
IC3
9
10
8
IC3
LMV324IPW
6
5
7
R92 120K
R39
270K
R73
100K
R574
1M
R575
22K
C109 0.022
C69
0.018
R72
150K
R56
68K
DS1
L1-1207TVM-1
1
C1
2
C2
3
C3
4
C4
5
S36
6
S35
7
S34
8
S33
9
S32
10
S31
11
S30
12
S29
13
S28
14
S27
15
S26
16
S25
17
S24
18
S23
19
S22
20
S21
21
S20
22
S19
23
S18
24
S17
25
S16
26
S15
27
S14
28
S13
29
S12
30
S11
31
S10
32
S9
33
S8
34
S7
35
S6
36
S5
37
S4
38
S3
39
S2
40
S1
41
C4
42
C3
43
C2
44
C1
S1 LS8J2M
S2 LS8J2M
S3 LS8J2M
S4 LS8J2M
S5 LS8J2M
S6 LS8J2M
S7 LS8J2M
S8
LS8J2M
S10
LS8J2M
J3
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
R104 15K
IC5
BR24T64FVT-W
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
S9
EC12E24204A9
1
COM
2
A
3
B
SEG5 SEG33 SEG35 SEG1 SEG23 COM2 SEG25 SEG12 SEG2 SEG4 SEG32 SEG3 COM4 SEG30 SEG22 COM3 SEG20 SEG11 COM1 SEG19 SEG18 SEG14 SEG28 SEG24 SEG34 SEG31 SEG7 SEG21 SEG29 SEG15 SEG10 SEG6 SEG8 SEG16 SEG26 SEG13 SEG9 SEG36 SEG17 SEG27
VOLCK
VOLDATA
DIM1
SEG15 SEG14 SEG13 SEG12 SEG11 SEG10
SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3
SEG20 SEG19 SEG18 SEG17 SEG16
SEG1 SEG2
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
COM4
COM3
COM2
COM1
AMB
DIM0
GRE
RESET
IS0
IS1
IS2
ESCK
ESDA
FLRXD
CTCOUT
PCON
DUSE CLSHIFT EXTDATA
DUSE
MMUTE
AFMUTE
MODMUTE RMUTE
THROUGH
PTT
HEL
GRE
AMB
DIM0
DIM1
DATA
EXTCK
EXTSTB
CONT1
MODE
WX
CLSHIFT
CONT1 CONT2
CONT2
CTCSS
VOLCK
VOLDATA
PLLSTB
PLLDATA
PLLCK
UNLK PCON OE
CLOUT
NOIS EXTCK DATA DASTB EXTSTB MICSEL
REMO PTT
TONE
TONE
DICK
DIUD
TEMP
CTCIN
TEMP
KR0 KR1 KR2 KR3 KS1 KS0 IS2 IS1 IS0
HEL
THROUGH
OE
AFMUTE
MMUTE RMUTE MODMUTE
RESET
MICSEL
REMO
COM1 COM2 COM3 COM4
IDET SD MICUD
VOLV
SQLV HVIN LVIN INT_SP EXT_SP MICUD SQLV
VOLV
INT_SP
EXT_SP
NOIS SD
DETO
DETO
IDET
DASTB EXTCK
UNLK
OE PLLSTB
PLLCK DATA
EXTDATA PLLDATA
EXTSTB
LVIN
PWRON
HVIN
+8V
TXAF
CLIN
CPU5V
FLRXD
MODE
SW5V
C5V
C5V
C5V
MODIN
BIAS BIAS
RXAF
MICGND MICGND
KS1
KS0
KR0
PWRSW
KR1
KR2
KR3
PWRON
SW5V
DETO
CLONE
VOLOUT
+8V
MICIN
GND
MIC
MICE
PTT
EXTMIC
MICUD
8V
BAND1
BAND2
BAND3
BAND4
COMEXP
TXFREE
S-MW/MW
BANK/OPT
V-MHz/SCAN
TONE/T-SCAN
SET/LOCK
M-CALL/PRIO
KR0
KR1
KR2
KR3
W/N
MARIN
DIAL
PWR
C;2.4V
C;2.4V
C;2.4V
C;2.4V
DIMMER
DIM-1
DIM-2
DIM-3
DIM-4
DIM1 DIM0
0.0V
5.0V 5.0V
5.0V
5.0V
0.0V
0.0V
0.0V
GRE AMB
AMBER
OFF
COLOR
GREEN
YELLOW
0.0V
5.0V
0.0V
5.0V
0.0V
5.0V
0.0V
5.0V
LOW/DUP
MONI/ANM
C;1.3V
C;0.2V
C;0.8V
C;4.8V
T;0.0V
R;4.2V
R;0.0V
T;4.7V
R;Rx
T;Tx
C;COMMON
(a)
(d)
(c)
(b)