Icom IC-E92D Service Manual page 54

MAIN UNIT
C771 C752 C790 C754 C775 C755 C756
C772 C773 C753
C751
47P 22P
220P 47P 47P 22P 47P 22P 47P 22P 22P
1
2
EP750 MMZ1005Y102CT
3
EP755
4
MMZ1005Y102CT
5
EP756 MMZ1005Y102CT
6
7
EP757 MMZ1005Y102CT
8
9
EP758 MMZ1005Y102CT
10
11
12
EP751
MMZ1005Y102CT
13
14
EP752 MMZ1005Y102CT
15
16
17
I OSTB2
18
19
20
21
22
23
24
25
26
EP759 MMZ1005Y102CT
27
28
EP760 MMZ1005Y102CT
29
30
31
32
33
34
35
36
37
38
39
40
C766 C781 C760 C789 C764 C779 C758
C765
22P 22P 47P 0.001 22P 22P 47P 47P
J702
IMSA-9637S-40Y905
I C701
1 16
STR V+
2 15
D OE
3 14
CLK Q5
4 13
Q1 Q6
5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
8 9
GND QS
C702
0.001
CD4094BPWR
I OSTB3
I C702
1 16
STR V+
2 15
D OE
3 14
CLK Q5
4 13
Q1 Q6
5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
8 9
GND QS
C703
C263
0.001 CD4094BPWR 0.001
COMMON
CONTROL
RX(Analog voice)
RX(Digital voice)
TX(Analog voice)
TX(Digital voice)
10 - 3
AR3
C777
ACT
47P
CK
VCC AAM
DATA
MOD
IC703
+5.5V 1 14
I /O1 VDD
2 13
SQL ATONE
O /I1 CONT1
3 12
DASTB2
O /I2 CONT4
HV 4 11
I /O2 I/O 4
APLLSTB 5 10
CONT2 O/I 4
TXC BCT 6 9
CONT3 O/I 3
+5V 7 8
VSS I/O 3
I OSTB1
C715
CD4066BPWR
BPLSTB BTONE
DASTB1 C712 0.001
C711
C713
0.001
BPS
C714
UNLK 0.001
0.001
0.001
TTEMP
I OSTB3 +3V +3V
ANOIS BRMUTE
DIUD2 AR3
DICK2 IC700
R566
CHG 1 14 4.7K
I /O1 VDD
2 13
ATONE S-TXV
O /I1 CONT1
12
DAFOUT 3
O /I2 CONT4
BTONE 4 11
I /O2 I/O4
INTPTT AR3C 5 10
CONT2 O/I4
+3V ARMUTE 6 9
CONT3 O/I3
S-TXV 7 8
VSS I/O3
BRSSI
C716
C701
DICK CD4066BPWR
C717 C718
BNOIS C700
0.001 0.001
0.001
DIUD
0.001 0.001
DVC
VOLOUT
VOLOUT
I C600
C757 C603
MOD 1 24
VIN1 VIN8
10 MSVA 2 23
VMOD
47P VOUT1 VOUT8
22
RMOD 3
VOUT2 VOUT7
4 21
VIN2 VIN7
5 20
VDD GND
DASTB2 6 19
LD RESET
7 18
CK
CLK VDAREF
8 17
DATA
DI DO
16
9
VIN3 VIN6
10 15
VOUT3 VOUT6
11 14
VOUT4 VOUT5
12 13
VIN4 VIN5
C602
0.001
M62364FP
0.001
BR3
DVC
DAFS
BCT
AAM
BAM
DAFOUT
DAFS
CK
DATA
I OSTB3
+3V
R3C
D700
AR3C
MA8030
BR3C
ARMUTE
R713
10K
W/N
BCT
ACT
CK
100K 2SA1832
I C704
Q700
R708
1 8
2 7
C709
3 6
VAVCOC 4 5
0.001 R710
UAVCOC
10K
AAM LM2904PWR
BAM
C707
0.001
R706 R709 C710
R707 R715
R711
12K
47K
10K
100K 0.001
12K
WFM
BRMUTE
R714 Q 701
UBVCOC
UNR9213J
47K
VBVCOC
C708
0.001
C719
0.001
Tx:3.08V
Rx:0.0V
A:3.11V A WFM:0.10V
B:0.4V
R555
C559 R554
220K
0.1 680K C552
0.0047
I C502
0.0056
8 1
C550
C558 C553 C551 R551
7 2
6 3
0.1 0.01 0.1 1k
5 4
R553 R552
R550
C556
R556
15K 12K
0.0068 NJM2904V 100K
100K
C554
R559 R558
R557
0.1
22K 22K
22K
C557 C555
0.0015 0.01 R564
470K
C561 C560 R560
C564
R567
Q502
0.1 150K
0.056
2SC4738
10K
0.1
C562
R562
1M
R565
Q501 0.001
2.2K
U NR9211J R563
270
C119
0.001
C563 C118
0.1 0.001
R602 R601
R600 C501
1M 1M
10K 0.001 C503 C500
0.001 0.1
I C500
CD4066BPWR
R604
C600
1M
47 MSVA
R500
R603
C601 10K
100K
C219
0.001
C218 C502
0.001
0.001
R703
C723 4.7K
47P
R702
22K
A:0.4V
B:3.11V
0.0068 C505 C504
R501
C509
C506 0.01 0.1 1k
R505
0.1
220K
R504
15K R502
I C501 680K R503
12K
8 1
C507
C514
7 2
6 3 0.0039
0.1
5 4
C512
R506
NJM2904V C508
0.0068
100K 0.1
R509 R507
R508
22K 22K 22K
C513 C510
0.01
0.0015
U NR9211J
Q500
FM:0.01V
DV:3.09V
Tx:0.02V
Rx:3.09V
XP1115
Q604
1 5
Q603
2 U NR9115J
C704
C614
34
220P
A CTCSS ON : 3.14V
A CTCSS OFF : 0.0V
R129
AR3
U NR9115J
100
Q150
U NR9115J
Q105
C131
C132
0.1
C160 0.001
C159
0.001
0.001
C158
100P
R158
LM2904PWR
R159
47K
1M
I C150 C155
C144
1 R131
1
4.7K
C156
C157
0.1
R156
0.1
R157 150K
68K
D105
R155
MA2S111
330K
C153
C154
0.0015 R133
0.1
R154 22K
82K
R153
C135
82K 1
R150
R151 R152
100K 10K 82K
C152
C151
C150
0.039
330P
0.0033
UNR9115 J
Q204
U NR9115J
C259 C235
C234
Q250
0.001
0.001
0.1
C260
C793
0.001
B CTCSS ON : 3.11V
0.001
B CTCSS OFF : 0.2V
C258
100P
47K
R259
R258
C262
1M
1
R305
C256
C255
4.7K
0.1
1
C261
C257
0.1
R257
R256
68K
D205
150K
MA2S111
I C250
LM2904PWR R255
330K
C253 R234
C254
0.0015
22K
0.1
R254
R251
R250 82K
R253
10K
100K C233
C251 82K 1
C250 82K
330P
0.0033
R252
C252
0.039
S700 0.001
SKHLLFA010
C705
C726
S701
22P
C725
C724
R700
C727
22P
22P TP70D974E20
0.001 22P
C706
SKHLLFA010
1k
0.001
A AM:2.83V
A Other :0.0V
AAGC
AR3
R124
C127
R121 0.47
R120
47K
1k 1.5K
C128
R122
22K 0.01
Q103
XP6501
R123
150K
Q104
XP6501 D104
MA2S728
C143
C129
C130 0.001
R130
1
15K
22 MSVA
C134 R126
0.01 220K
C133
R127
C142
0.001
4.7K
R132 R125
100P
10K 270K
R207
100
C227
0.47
R217 R218
1k
1.5K
R219 C228
R221
0.01
22K
47K
XP6501
R220
Q202
150K
Q203
XP6501
15K
D204
R233
MA2S728
C230 C229
0.001
C226
1 22 MSVA 47P
0.01
R223
C232
220K
270K
R224
C231
0.001
R225
4.7K
R306
10K
S703
2
A
3
B
1
COM
5
A
6
B
4
COM
*; Refer to "PARTS LIST."