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Icom Ic-F3gt/gs Vhf Fm Transceiver Service Manual

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Page 21

6 - 4S.=Surface mount
C156 4030011600 S.CERAMIC C1608 JB 1C 104KT-N
C158 4550006200 S.TANTALUM ECST0JY106R
C159 4030006850 S.CERAMIC C1608 JB 1H 471K-T-A
C160 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C161 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C162 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C163 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C164 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C165 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C166 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C167 4030007090 S.CERAMIC...

Page 22

SECTION 7 MECHANICAL PARTS AND DISASSEMBLY
7 - 1
REF. NO. ODER NO. DESCRIPTION QTY.
MP1 8210016750 2251-T front panel [F3GT] 1
8210016740 2251-S front panel [F3GS] 1
MP2 8930050890 2251 terminal holder  1
MP3 8010017990 2251 chassis 1
MP4 8210016570 2251 rear panel 1
MP5 8930050870 2251 release button 1
MP7 8310047580 2251 window plate 1
MP8 8930051350 2251 jack rubber 1
MP9 8210016550 2251 jack panel 1
MP10 8610010780 Knob N-276 1
MP12 8930050820 2251 main seal 1
MP13 8930050790 2251 10key [F3GT] 1...

Page 23

7 - 2
UNIT abbreviation(C): CHASSIS PARTS, (M): MAIN UNIT
MP4 (M)
MAIN unit
IC-F3GS parts
MP7 (C)MP1 (C)
MP1 (C) MP20 (C) MP37 (C)
MP21 (C)MP3 (M)DS1 (M)EP2 (M)MP1 (M)MP2 (M)
MP18 (C)MP40 (C)
MP22 (C)
MP32 (C) MP5 (M)MP23 (C)
MP12 (C)MP3 (C)MP32 (C)
MP13 (C)MP13 (C) MP27 (C) MP10 (C)MP26 (C)
MP4 (C)
MP25 (C)MP32 (C)
MP5 (C)
MP14 (C)
MP38 (C)MP36 (C) MP31 (C) MP31 (C)
MP2 (C)MP15 (C) MP33 (C)
MP39 (C)
SP1 (M)MP31 (C)
MP32 (C)
MP31 (C)
MP31 (C)MP31 (C) MP41 (C)
MP8 (C)
MP9 (C)
MP33 (C)
MP24 (C)

Page 24

SECTION 8 SEMI-CONDUCTOR INFORMATION
8 - 1
2SC5085 Y
(Symbol: MCY)
2SK2974
(Symbol: K2974)2SK1069 4
(Symbol: FJ4) 2SC4116 GR
(Symbol: LG) 2SA1577 Q
(Symbol: HQ)
3SK239 A
(Symbol: XR)2SC4215 O
(Symbol: QO)
2SK2973
(Symbol: K1)
DTC144 TU
(Symbol: 06) DTC144 EU
(Symbol: 26)UN911 H
(Symbol: 6P)XP6501 AB
(Symbol: 5N)3SK293
(Symbol: UF)DTA144 EU
(Symbol: 16)
• TRANSISTOR AND FET’S
B
EC
B
EC
B
EC
G
S
DS
D
G
(top view)S
D
SG2
G1
D
SG2
G1
B
EC
B
EC
B
EC
E1
E2
B2C1
B1
C2
B
EC
DG S
B
EC
• DIODESMA77
(Symbol:...

Page 25

SECTION 9 BOARD LAYOUTS
9 - 1
MAIN UNIT• TOP VIEW
DS1
MC1
DS2
DS3R204
R205 R155
R170C215
R169C233
C234
C295
R208
C211 R257
C286
C301
R175
R249R151
R264
R186R185 C293R35C55C64
R89
C56 R90
R81
R80
R79
R84
R13
C26
C24
C25 R15
R12
R11
R10
C23
R14
R16
R177
C136 R114
R117C137R115C217C133
C134 R105
R176
R109
R93R54
Q37
D33
D32
C75
C17
C251
C252
R162
R161 R163
C13
R7
R5
R3
R2
C205C5 R9
W7
R210R53
C52
C4 C2
C1R1
R52 C92 C90
C81C78
R222
R62
R57 C85
C93
C84
R64
R65
C73
C10
R108 C135
R116C124
C243
R251
C179
R17R97...

Page 26

9 - 2
• BOTTOM VIEW
C277
R252
C138R258
R143
J2
J3
MP5
S1 S3
Q21
Q22L25
X1
IC10
IC7
IC8
C198 IC12
Q33R236
R238 R237 S2
C158C155
FI2
C174
C173
C72
C298
C281L4
L2
L1
L16
L17
L24D29
L31C287C285
C8
C3C18
C76
R96
R95
R75
L20
L19
C105C106
C109
C104
R94
R70
R72
C97
C98
C94L29
C99
C169
L21C101
C100C102C126
R178
R262
C108
C107 R160
R154 C288
C204
C82 C79
C80C83
C86
C88
C87
C89
R59R58
R63
C91
R100R159
R187C168
C165
C163
R144
R128
C164
C152C151R127
R122
R221
C248
C232
R181
R215
R216
C231
C193
C171
R126R218
R101...

Page 27

10 - 1
SECTION 10 BlLOCK DIAGRAM
ANT
LPF LPFANT
SW D1: MA77
D2: MA77
D8: MA77
Q1: 2SK2974 Q2: 2SK2973 Q3: 2SC5085 Y D3: MA77
D4: MA77
PLL ICQ4: 2SC4215 O Q6: 2SC4215 O IC1: UPD3140GSVCO
Q7: 2SC5085 Y
Q8: 2SC5085 Y REF
X1: CR-664
(15.3 MHz)
OPTION UNIT
J5 AXN330C038
2TONE or 5TONE
PTT
MIC
AF
REG
AF
AMP PTT
CONT
Q17:  UN911H
VCC
IC5: TA7368F
FRQCONDBAL
Q15: 2SB1132 R
Q16: XP6501 AB
D26: DAN202KDEV MIC, AF, PTT, MMUT
RMUT, AFONOP
SIGOUT
IF DET IC DETIC2: TA31136FN(D)Q5: 2SC4215 O
FI2
SFPC450G: [Narrow]...

Page 28

VCC R5
S5
MIC
CPU5
VCC
5V
T5
R5
S5 VOLIN
VOLOUT
AFOUT
MIC
SP
VCC CPU5
5V
T5
R5
S5
CPU5
S5
T5
R5 CPU5
C223
0.01C224
0.01DR131
470
Q17
UN911H
R130
100 C147
0.1 PTT
C154
10C8
9 10
IC3C
NJM2902V
C133
0.1 C209
0.1R177
1 k
C125
0.0022
C124
0.01 C217
0.1
R176
3.9 kR93
27 k
R109
10 k C134
220 P
R104
100 k R266
15 k
R108
150 k C132
0.0056
C304
0.0477 6
5
IC3B
NJM2902V
R96
47 k R94
1 MI/O 1
O/I 2
O/I 3
I/O 4
CONT.B 5
CONT.C 6
VEE 7
I/O8 O/I9 O/I10 I/O11 CONT.D12 CONT.A13 VDD14
IC4
BU4066BCFV
C131
0.01 C286
0.0022...

Page 29

VCC
R178
3.9 k
C129
15R120
68 k
R145
1 M
R9912 k
R100
1.8 kD26
DAN202K
Q15
2SB1132 R
R126
10 k
C149
0.1
C146
0.001 C145
10 R122
2.7 k 4 5 6
3 2 1Q16
XP6501 AB
C140
0.1 R121
1 k C139
0.1NC 1
VCC 2
NC 3
VIN 4
RIPPLE 5
NF6 PHASE7 PREGND8 PWGND9 POUT10
IC5
TA7368F
C171
0.1 R123
3.3 kR128
10
C150
10 R127
33
C151
47 PC152
0.047C153
100
AFOUT
DS2
LNJ310M6URA
DS3
LNJ310M6URA
R204
3.3 k
Q25
2SC4116 GR
VOLOUT
CTCIN
REMO VOLOUT
AFONOP
AFON
AFOUT
TEMPS
AG473JCT
PB0/AN0 1
P97/SEG4075
AVSS 2
TEST 3
X2 4
X1 5
VSS 6...

Page 30

ANT R160
150
L26
3225 µH VCC
T5
R13
33 R15
100 T5 VCC
R28
100
R27
470C39
0.001R19
100 R21
100 R23
100 C46
0.001
1
3 2
4 5
6
Q11
XP6501 AB
R31
1 k R175
1
R151
47 k
C233
0.001CP1
(LV check ponit)
R30
4.7 k
C50
10C300
0.001
C301
0.001 C211
0.1 R185
1 k R45
100
Q34
2SK1069 4R184
10 k C234
0.001
R186
47 k C63
56 P X1
CR-664
(15.3 MHz)
C64
4 PT5
R5
S5VCC
R4947 kC69
33 P
D7
1SV2885V
C55
0.01
C49
0.68R34
10 VCC1 1
IN1 2
ENB 3
CLK 4
DATA 5
T1 6
LOK 7
CP1 8
FI1 9
FO1 10
FO211 FI212 CP213 GND214 XO15 XI16 XB17...

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