Icom IC-E92D Service Manual page 57

Vhf/uhf digital transceiver
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TTEMP
A:VHF
A:OTHER BAND
RX:0.12V RX:3.3V
T5
VSHIFT
VMOD
+5V
Q800
VAVCOC
1
5
2
VCO3V
VCO3V
UAVCOC
3
4
C800
C839
C859
C801
4P
XP1115
C803
220P
4P
4P
BAND
C802
0.001
0.001
BCVCO3
J800
R806
LOOUT
16
15
R807
14
13
470
3.3K
C822
12
11
0.1
C821
C820
10
9
3.3
8
7
0.33 SVSP
6
5
R808
C826
4
3
1.2K
47P
C823
2
1
C840
C838
0.22
47P
470P
AXK816145YG
100K
R820
CP800
To the VCO UNIT
C830
CP06VR
0.001
+5.5V
+3V
L801
C810
C811
1U
R832
R801
100P
0.01
R831
18
10K
18
22
C812
C813
C858
C814
10P
0.01
100P
C807
0.01
R800
I C800
10K
C837
0.001
17
1
NC
NC
16
2
VUC
CPO
15
3
CE
GND
14
4
R802
1k
GND
FI N
APLLSTB
13
5
LE
FINB
DATA
12
6
DATA
OSCIN
11
7
R803
NC
NC
100P
1k
C819
0.001
LMX2313
CK
R804
1k
R805
R818
1k
100
REF
UNLK
DSET
PSET
T5
UHFC
VHFC
Q 451
1
5
R3
2
3
4
Q 452
XP1115
1
5
VAUBC
2
VBUAC
3
4
C469
C474
XP1115
C471
47P
C467
47P
C473
47P
47P
47P
C472
0.001
TUNEA2
TUNEB1
TUNEB2
TUNEA1
BSHIFT
AAGC
50MC
R3
BCC
ATT
100
R112
R113
0.001
RF UNIT
100
C133
C134
0.1
C144
0.001
UPC3223TB
C139
JDP2S04E
JDP2S04E
C136
3
4
100P
GND
OUT
2
5
D100
C141
GND
GND
100P
D159
D158
0.001
1
6
IN
VCC
R114
L111
M A2S077
1k
IC100
0.1U
C135
R162
R116
R161
MMZ1005Y102CT
1k
1P
1k
100
R115
EP102
C140
0.001
2.2K
C142
0.001
R117
R160
0
2.2K
C146
RX;0.0V
0.001
TX;4.98V
C143
0.001
330K
R155
R157
22K
R819
27
A:145M
RX:2.91V
C268
0.001
M A2S111
D 404
C818
R420
10
C425
C418
R423
0.001
0.001
820
D405
C423
C420
1SV308
6P
0.5P
D 403
H VC376B
L404
HVC376B
LQW18AN68NG00D
D 402
C421
33P
C422
C419
47K
100P
100P
R422
47K
R421
A:145M
C424
RX:0.6V
0.001
D 453
M A2S111
R459
10
R462
2.2K
6P
D454
C466
C462
1SV308
0.5P
D452
HVC376B
H VC376B
L452
C463
LQW18AN68NG00D
33P
C465
R461
C470
100P
47K
47P
EP100
C111
C145
C109
C132
MMZ1608Y102BT
M PZ2012S331A
1
10P
0.001
EP101
0.001
0.001
0.1
LQW18AN68NG00D
R103
C122
C124
C123
100
L107
0.1
L110
6.8N
C121
2SK3476
R108
L105
0.1
C115
Q100
3.3K
82P
6.8N
2SK3475
L108
Q101
R110
3.3K
15N
C129
C128
L106
0.001
0.001
C127
R104
2.7N
10P
39
3.3K
C116
R111
Q 102
47P
2SC3356
R100
R109
0
22
R105
R106
R101
47K
390
1.5K
R152
C126
C125
R159
0.001
0.1
R102
C119
Q1
2.2K
100
0.001
1
C161
C160
1k
0.1
0.01
MMZ1005Y102C T
C159
2
C158
10
EP1
3
1M
0.001
TX:4.99V
R154
R153
10K
XP1114
100
R150
R163
A,B:VHF
I C150
560K
MMZ1005Y102C T
1
8
TX:4.24V
2
7
C150
EP150
3
6
0.047
4
5
Q2
C38
UNR9211J
R158
NJM3404AV
C151
C152
15K
0.1
0.001
0.01
R156
33K
C154
Q3
C39
R176
UNR9211J
0.001
15K
D157
0.001
UHF
MA2S728
TX:0V
RX:5.31V(VHF TX)
A,B:VHF
VHF
RX:2.94V
TX:0V
RX:5.33V(UHF TX)
R408
LQW18AN82NG00D
10
C412
L401
1
0.22U
L403
R414
R417
22K
1k
C407
C417
0.001
8P
R419
R412
R415
R407
100K
180K
3SK318
22K
0
Q401
A,B:VHF
C411
C408
R409
LQW18AN82NG00D
RX:0.50V
TX:0V
1.5P
5P
220
0.001
C413
0.001
R413
HVC376B
R416
L402
220K
220K
D401
C415
C414
R418
C409
220
0.01
R411
100P
47K
B:145M
C461
RX:2.96V
C454
0.001
1
L451
R456
LQW18AN82NG00D
1k
R453
22K
C459
R451
R454
R410
0.001
180K
22K
220
3SK318
R458
Q 450
D451
100K
C453
C450
LQW18AN82NG00D
0.001
5P
1.5P
C460
C455
0.001
L450
D 450
R452
R455
100P
B:145M
220K
HVC376B
220K
47K
RX:0.64V
R460
C457
R457
220
C451
C456
100P
R450
C464
0.01
47K
220P
UNR9115J
C452
0.001
Q251
1
5
2
3
4
XP1115
C264
47P
R170
R177
NTCG16
C181
R171
390
0.001
22K
L104
4P
20.0N
C192
12.1N
D160
0.001
C102
C101
C100
L153
L150
1SV271
C162
11P
9P
100P
12.1N
1SV307
C171
C163
C103
L100
1P
16.0N
15P
1P
C167
MA742
C104
L101
4P
C165
D 151
39P
2.5N
2P
1SV271
L10
Q150
UNR9211 J
0.82U
MP100
D 152
MA742
D 150
R166
C170
390
2888
220P
C169
C168
C172
220P
0.001
0.001
C173
Q152
C164
C112
22K
C183
R167
27P
R165
0.001
0.001
0.001
22K
M A2S728
UNR9211J
27K
D 153
5
R172
C186
U NR9211J
0.001
D154
4
Q153
M A2S728
10K
C184
R175
C180
R168
R169
0.001
22K
8.2K
22K
0.001
27K
R174
R173
C179
R164
220K
0.001
R4
C178
R3
C37
100
1k
0.001
0.001
C185
0.001
D156
D155
MA742
MA742
C36
L13
0.001
0.82U
C177
C174
1P
1P
L103
L102
C108
L152
C182
12.1N
12.1N
0.001
0.001
54N
C107
C175
C106
C176
75P
4P
22P
22P
C402
1
R405
R401
1k
R400
180K
R403
C32
C33
1SV308
3.3K
47K
1
1
LQW18ANR15G00D
3SK318
D8
Q400
C400
L405
D400
D9
220P
1SV308
1SS362
0.001
R404
C401
0.001
C403
R402
C405
3.5P
220K
R7
220K
R9
1k
L400
2.2K
R406
C34
0.12U
100
0.001
C404
A:45M
0.01
RX:3.13V
2SC5006
C257
Q250
D255
10P
C253
C250
L253
1SV325
L252
0.15 U
22P
33P
M A2S077
1U
D252
0.001
R253
1SV325
L250
C259
R257
22K
0.15U
47K
MA2S077
R255
D254
330
C
L254
D 251
MA2S077
0.15 U
252
L251
C260
R254
C254
0.15U
33P
R256
10K
0.01
0.001
C258
10K
1SV308
0.01
D 256
C256
R252
C251
C255
0.1
0.01
C263
47K
R258
47P
2.2K
R251
0.01
4.7K
D253
MA2S728
M A2S111
D202
Q252
C261
C211
47P
0.1
R201
R200
L204
27K
2.2K
100U
A:15M
RX:3.11V
D 203
R202
10K
1SV308
C210
L203
L202
Q 200
2SC5226
0.33 U
0.33U
1
MA2S077
C208
C206
22P
8P
C205
C209
C207
56P
C212
100P
C214
R203
180P
0.1
470
1
C262
47P
10 - 6
RF UNIT
1
J1(CHASSIS )
2905 ANT CONNECTOR
D1
C9
C7
L3
L2
L1
18P
13.6N
13.6N
9.1N
22P
C3
C5
C1
C8
22P
1P
2P
2.5P
C2
C4
C6
R10
L4
7P
6P
1P
82K
45.3N
C28
R1
0.00 1
100
R2
1k
C29
0.001
1SV308
D6
L7
L6
L5
C16
54N
57.2N
45.5N
0.1
D7
C14
C12
C10
1SV308
1.5P
6P
1.5P
C13
C11
22P
33P
LQW18AN56NG00
L14
C31
C30
18P
22P
C35
22P
D250
L201
L200
D 200
C213
0.12U
0.1U
1SV308
1
C203
C201
R204
6P
12P
1k
C204
C202
R250
56P
33P
2.2K
COMMON
CONTROL
RX(Analog voice)
RX(Digital voice)
TX(Analog voice)
TX(Digital voice)
D201
*; Refer to "PARTS LIST."

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