Icom IC-E90 Service Manual page 55

Multiband fm transciever
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11 - 3 AF UNIT
Q61
UN9115
B5C
4
3
B4C
Q62
2
XP1115
5
1
B3C
B1C
4
3
C301
Q63
0.1
2
XP1115
B2C
5
1
C300
0.1
IC51
BU4094BCFV
IOSTB
1
STRB
DATA
2
Q253
DATA
CK
3
UN9115
CLK
4
Q1
5
Q2
6
Q3
7
BSFT
Q4
8
VSS
R3V
DATA
CK
IOSTB
VCC
VCC
40
39
38
CHG
CHG
37
PATMP
PATMP
36
VMOD
VMOD
35
XMOD
XMOD
34
AFV
33
+3
32
+3C
31
DETO
30
VOLC
29
VCC
28
HV
HV
27
MUTE
26
BEEP
25
EXTM
EXTM
24
NOISE
23
VSHFT
VSHFT
22
V1C
to LOGIC
21
V2C
unit J1
20
V3C
V3C
19
SD
18
REMO
REMO
17
R3C
16
DICK
15
DIUD
DIUD
14
DATA
DATA
13
DASTB
DASTB
12
IOSTB
IOSTB
11
TXC
TXC
10
AM
9
WFM
8
PDA/UL
PDA/UL
7
PLSTB
PLSTB
6
CK
CK
5
WXALT
4
INTSP
INTSP
3
+10V
+10V
2
1
C289
C287
C286
C284
C283
C298
0.001
47p
120p
47p
47p
0.1
J251
S251
DIUK
UP
E
DIUD
DN
C303
C304
0.001
0.001
R265
J252
EP3
330
EXT.
EXTM
MIC
EP4
C277
INTSP
0.001
C279
EP5
C278
REMO
0.001
0.001
EP3–EP5
MMZ1608Y102BT
C269
150
J253
R264
R263
EXT. SP
10
150
REMOTE
W3
C274
C272
C270
C268
C267
47p
0.001
0.001
0.047
3.3
Q55
2SB1132
VCC
TX: 6.02V
Q58
RX: 0V
XP1115
R60
470
V2
4
3
5
4
R58
C54
2
Q11
10k
22
V3
5
1
XP1501
1
2
3
R61
100k
+3C
R62
C57
C56
R59
C55
1M
0.001
0.001
10k
0.001
VDD 16
15
OENA
14
Q64
Q5
Q59
13
Q6
2SA1576
UN9115
Q57
12
VCC
Q7
2SD2216
11
Q8
Q'S 10
V1
V1C
R63
3.21V
9
4.7k
QS
D52
MA2S111
D51
MA2S728
C60
C59
R64
C58
0.001
22
2.2k
22
+3C
V3C
V3C
V2C
V2C
TXC
TXC
V1
+3
+3
VCC
R3V
AFV
+3C
DETO
VOLC
MUTE
BEEP
NOISE
D152
1SS364
C166
W2
0.01
SD
R164
R3C
12k
C282
C299
47p
0.1
AM
WFM
DETO
C302
NOISE
0.001
WXALT
SD
VCC
+3C
R3C
C275
0.001
WFM
+3
AM
C276
WXALT
0.001
+3
IC251
C260
C265
TX: 0V
M5222FP
1
RX: 5.82V
47p
R262
1
VCC 8
OUT1
6
RIPPLE 5
2
OUT2 7
4.7k
NF
IN1
7
VIN 4
3
IN2 6
R261
R260
COM
PHASE
8
NC 3
4
VC 5
33k
120k
PREGND
GND
9
VCC 2
PWGND
10
NC 1
POUT
IC252
R259
R258
C258
R257
C263
C261
C296
C259
8.2k
82k
0.1
68k
TA7368F
0.1
150
0.001
1
VOLC
BEEP
MUTE
R10
12k
D3
1SS364
Q56
Q51
XP4214
2SA1588
1
6
TX: 6.05V
L5
RX: 0V
0.18µH
R51
TXC
2
5
4.7k
R13
C51
12k
3
4
R52
0.001
470
R12
12k
Q65
C18
Q52
UN9113
0.01
2SA1588
TX: 5.94V
V3C
RX: 0V
R54
Q54
4.7k
Q66
XP4214
R55
C52
UN9113
1
6
470
0.001
R5
47
V2C
2
5
3.05V
Q53
L9
3
4
0.15µH
2SA1588
Q67
R57
R56
UN9113
4.7k
470
C53
0.001
TX: 5.92V
RX: 0V
C8
8p
T43
T50
T14
REF
V1
+3
C164
C163
C153
R152
R154
IC151
10
0.1
1k
0.01
2.2k
TA31136FN
C168
1
16
22
OSCIN
MIXIN
2
15
OSCOUT
VSS
3
14
MIXOUT
NOUT
4
13
C165
VDD
NDET
5
12
0.01
IFIN
SOUT
6
11
R163
BIAS
IFOUT
7
10
12k
FILOUT
QUADIN
FI151
R161
C162
C154
8
9
CFWM450E
12k
R158
FILIN
AFOUT
0.1
39p
220k
R151
I
O
22k
C161
C160
R155
C156
C155
0.001
0.001
150p
56k
0.001
D151
1SS364
R159
R167
C158
R156
R165
4.7k
220k
0.001
15k
12k
R162
4.7k
C157
0.001
L151
R153
LS-528
R166
C167
1.2k
12k
0.01
C159
0.1
Q208
2SA1576
1
5
TX: 0.63V
RX: 3.19V
1
5
2
2
R231
3
4
1k
3
4
Q209
C227
C230
C229
C228
Q207
0.001
0.001
0.001
22
XP1501
XP1115
WFM
Q204
Q206
XP6501
R230
XP4315
3.11V
10
4
3
C256
C255
5
2
C221
0.1
0.001
0.1
C225
R232
6
1
R234
1
2.2k
Q251
10k
R228
R256
C254
2SJ364
15k
0.1
180k
C223
C253
R254
0.1
0.1
R251
220k
1M
C252
R253
R252
0.047
33k
47k
Q205
R229
2SD2216
180
C257
C251
0.001
0.001
TX: 0
R9
RX: 2.9V
47
C24
C9
L3
0.01
33p
0.15µH
C25
6p
D2
C14
C12
C10
1SS364
4p
2p
4p
TX: 0V
RX: 0.63V
L8
22nH
R8
C13
L4
C11
47k
22p
0.18µH
22p
C26
33p
Q2
R266
C17
R11
270
0.001
1.8k
2SC4406
B2C
TX:
T14
RX: 1.51V
Q1
T50
2SC4117
T43
C4
X1
R4
0.01
CR-583
390k
C3
DASTB
13.800 MHz
0.001
PLSTB
C23
R3
C5
7p
1.65V
100k
DATA
180p
C7
CK
100p
C2
D1
0.001
HVC376BTRF
R7
C6
1k
120p
R1
C1
R2
27k
0.001
100k
T43
T50
T14
REF
REF
V1
+3
XMOD
VCC
FSET
R3V
Q101
XP4315
R110
4
3
220
2
5
C116
0.01
6
1
R107
L104
R111
C114
15k
R104
1.0µH
220
8p
4.7k
Q103
UN9113
TX: 0.55V
R108
D103
RX: 0.97V
C105
6.8k
MA133
0.01
W1
Q102
TX: 0.62V
2SC4403
C113
RX: 2.19V
0.01
D102
1SS364
C110
0.001
C115
R109
C111
R105
D104
0.001
47
0.001
4.7k
MA2S111
C152
C151
R112
0.1
0.001
4.7k
C117
10
AGC
DETO
WFM
R210
R216
R215
C216
100
C213
18k
18k
0.0022
0.0047
C215
0.0047
6
5
4
6
R214
R220
R217
Q202
4.7k
100k
18k
XP6501
D201
C210
C209
1SS364
R209
1
2
3
C217
C214
0.1
0.1
1.5k
1
0.01
0.01
R207
R219
220k
18k
R211
R225
C208
R208
R206
15k
R233
33k
0.01
22k
1M
R218
10k
10k
Q203
R221
R212
C211
2SJ364
C219
10k
2.2k
0.1
0.1
C220
R223
C218
R222
R213
C212
0.1
1M
0.018
180k
4.7k
0.047
R224
47k
WFM
11 - 4
J51
CHG
REF
REF
15 16
IF
GND
14
17
V1
B3C
B3C
13
18
V3
B5C
B5C
12
19
FSET
VCC
VCC
11
20
V2
B1C
B1C
10
21
BSFT
AGC
AGC
to RF unit
9
22
J251
+10V
B4C
B4C
8
23
B2C
T14
7
24
PATMP
T50
6
25
+3
T43
5
26
VSHFT
DASTB
4
27
HV
PLSTB
3
28
VMOD
DATA
2
29
PDA/UL
CK
1
30
C293
47p
V1
+3
VCC
AGC
FSET
WFM
C107
0.001
FI101
R102
FL-338
4.7k
69.450 MHz
C103
R113
4p
150
O
I
IF
R114
330
L101
C101
0.82µH
0.01
D101
1SS364
FI102
C109
SFECS13.35MA
R101
100p
2
1
4.7k
I
O
4
FL
G
L103
R103
1.5µH
4.7k
3
AGC
C204
R203
0.47
R201
390
470
R205
C203
47k
0.01
5
4
6
5
4
Q201
XP6501
R204
C206
2
3
10k
0.1
1
2
3
C201
R202
22p
330k
C207
0.22
C205
C202
4.7
0.001
DETO
AF UNIT

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