Icom IC-F3GT Service Manual page 38

SECTION 12 VOLTAGE DIAGRAM
AFOUT
DISCIN
VCC
T5
R5
J5 S5
AXN330C038
5V
R5
16 SCK
S5
15 OPV1
17 SI
14 OPV2
18 SO
13 OPV3
19 CIRQ R5
BUSY
12 GND
S5
20 CCS
11 OPT3
21 REM
10 OPT2
22 AFOUT VCC
9 OPT1
23 DISCIN
to Optional unit
8 SIGOUT
24 RXMUTE RMUTE R177
1 k
7 MOWN CPU5
C125
25 BEEPOUT C132 IC3C
R266 0.0022
6 BUSY R131 15 k 0.0056 NJM2902V
470 10
26 AFONOP
8
5 AUX TX: 3.69 V C217 C124
C304 9
27 MICMUTE MMUTE RX: 5.01 V 0.1 0.01
D 0.047 C134
4 MICIN
R105 220 P
28 VCC PTT
390 [OTHER]
3 MICOUT 470 I R176 R93
Q17 C209 3.9 k 27 k
29 5V 0.1
TX: 4.84 V UN911H C
2 PTTOUT R108
RX: 0 V 150 k
30 GND C133
0.1
1 PTTIN R109
C147 C154 R130 R137 R104
100 100 k 10 k
0.047 10 100 k
MIC
VOLIN VOLIN
VOLOUT VOLOUT
C223 C224
0.01 0.01 AFOUT AFOUT
C148
C215
TONE 0.01 BEEPOUT 0.1
D34
R125 R171
MA8056 M
E only 27 k 47 k
J6
BM02B-ASRS-TF
1 SP
2
5.06 V Q18
2SB1132 R
CPU5
C164
0.001 VCC
5V
R5
S5
TX: 4.97 V TX: 0 V
Q21
RX: 0.03 V RX: 5.01 V R135
2SA1577 Q 10 k
MC1 T5
KUC3523-040245
Q22 C174 C158
MIC 22 10
MIC 2SA1577 Q Q19
XP6501 AB
R144 C294
22 K R260 R261 6 5 4 5.01 V 0.12 V
33 10 k
10 k
C163
0.001 Q20
PTT S3 R139
R141 DTA144 EU
SWITCH JPM1990-2711R 4.7 k 1 2 3
4.7 k
TX: 0.85 V TX: 5.01 V
RX: 5.01 V RX: 0.86 V 4.44 V
C162 C161
0.01 0.01
R143 C156
TP76N00N-15F-10KA-2251 0.01 D
R134 C159 C160
VOLOUT 2.2 k 470 P 0.01 0.1 [OTHER]
VOL/ PWR
SWITCH VOLIN
VCC
CPU5
S5 S5
A T5 T5
R142
(VR) 100 R5 R5
C282
470 P N
KR0
0.001 [OTHER]
KR1
J2 HV R132 KR2
HSJ1122-010010 470
OPT KR3
MIC
EXT.MIC
R174 R140
15 k 100 k S2
D27 JPM1990-2711R
RB706F-40 UP DN
C165 C166 R239
0.001 0.001 1 k
AFOUT KS4
T5
SP KS3
KS2
EXT.SP CLONE KS1 R5
Q31 1 2 3 P0
KS0
DTC144TU
4.92 V
J3
C299 R238
HSJ1456-01-220A
470 P 1 k
R190
C167 C168 C169 4 5 6 P1 22 k
47 P 0.001 0.001
7 8 9 P2
BATT 4.96 V
GND
* 0 # P3
C283 C173 C305
0.001 47 470 P
E only C249 C221
0.01 0.039
R240
1 k S1
BDET
BDET S1
JPM1990-2711R
12 - 1
R5
S5
VCC
R97 R115
R95 220 k 120 k
TX: 0 V
1 M 1.94 V
C212 RX: 4.62 V
IC4 R98
0.01 180 k
BU4066BCFV
C135
6 1 14 R114 1.94 V
I/O VDD R168 22 k [OTHER] 180 P
7 2 13 10 k C213 R107 33 k I
C126 R257 O/I CONT.A R117
5 3 O/I CONT.D 12 2.2 150 k 13 1.5 k
0.0027 1 4 11 14
I/O I/O
IC3B 5 10 R44 12 R99
CONT.B O/I 10 k R 12 k R178
R94 NJM2902V 6 CONT.C O/I 9 C214 R113 R116 3.9 k
1 M 7 8 R112 18 k [OTHER] 0.033 68 k
VEE I/O 20 k A, D IC3D 1 k
1 M
NJM2902V
R169 R159 C137
R96 C286 C131 R170 C136 0.027 [OTHER]
47 k C128 10 k R 10 k 100 k 0.033 I
0.0022 0.01 1 12 k [OTHER] 0.0056
R100 C129
1.8 k 15
VOLIN
VOLOUT VOLOUT
AFOUT AFOUT
TX: 5.0 V
RX: 0.01 V
SQLIN
CPU5
5.01 V R182
VCC VCC NTCCM20124AG473JCT
5V CPU5
L33
5.02 V
IC10 1.0 H
R150 C123 CTCIN
M62363FP-650C
470 0.001 REMO
1 24
VIN1 VIN8 R103 R215
T1 2 23 R148 C197 12 k 100 k
VOUT1 VOUT8
T2 3 VOUT2 VOUT7 22 100 k 0.1 TEMPS
T3 4 21
VIN2 VIN7
T4 5 20 R146 R216 C231 R181 C232
VDD GND IC11
DAST 6 LD RESET 19 12 k 100 k 0.1 100 k 0.1
SCK 7 18 S-80942ANMP-DD6
CLK VDAREF
SO 8 17
DI DO
9 VIN3 VIN6 16 R147 X2
10 15 1 5 12 k CR-663
VOUT3 VOUT6 OUT CD
11 14 2
VOUT4 VOUT5 VDD D14 C195
12 13 3 4
VIN4 VIN5 VSS NC MA77 56 P
R102
10
C230 C144 C196 C193 R101 C194
0.022 0.001
470 P 8 P 1 M 15 P
C155
10 R153 R152 R154 C244 C236
470 k 470 k 470 k 0.01 0.01
C309
0.1 IC7
D only
HN58X2432TI [OTHER]
R276 HN58X2464TI Q R164 R226
10 k 100 k [F3GT] only
D only 1 k
R220 8 1
270 k VCC A0
7 2 SCK
WP A1
DTMF 6 SCL A2 3 SI
R218 5 4 SO
3.8 V Q42 SDA VSS
120 k DAST
DTC144EU
R219 D only CLOUT
5 4 R228
120 k 10 k R232
0.8 V R221 C245
Q36 330 k 1 2 R213 0.01 CLIN 1 k
470
2SC4116 GR R275
IC14 3 R234 PLST
C248 4.7 k R225
0.01 TC7S66FU D only 100 k 10 k D NOIS
D only 22 k [OTHER]
CIRQ
R231
CTCSS 22 k BUSY
IC13 1.5 V CTDA2
CCS
TC7S66FU 5 1 OPT1
0.4 V R230
3 OPT2
R206 56 k CTDA1
4 C250 DTCS OPT3
IC12A 470 k 1.2 V
0.01
NJM2904V R268 2 R229
R211 100 k 180 k
120 k IC12B 0.4 V CTDA0
R192
22k C201 R198 R199 NJM2904V
3 8 Q35 4.8 V
R191 0.1 18 k 47 k DTCS
1 6 4.4 V
22 k 2SC4116 GR
2 7 R227 R243 R242 R241
4 5 R203 R202 47 k 1.4 V
R197 C200 47 k 47 k 1 M 1 M 1 M
C222 R224
0.1 220 k 0.033 8.2 k D 1.0 V
22 k A C228 C227 CTCSS
3.8 V 27 k [OTHER] 0.047 D C219 4.5 V
820 P 0.0082
R200 0.1 [OTHER]
47 k
C202 R212 C198 0 V 1.2 V
R207 R194 R195
0.01 68 k 2.2 47 k 100 k 100 k
R193
Q38 100 k
4 3 R165
C225 DTC144EU
R267 C216 100 k [F3GS] only
0.0047 I 2 47 k R 0.1 [OTHER]
0.22 D
0.0068 [OTHER] 100 k [OTHER]
DUSE
5 1
Q40
XP1213
AFOUT AFOUT
DISCIN DISCIN
VCC VCC
T5 T5
R5 R5
S5 S5
5V 5V
R5 R5 R5
S5 S5 S5
R48
C72 1 k A, O
1 10 k [OTHER]
DBAL
R51 R50 R49 C69
100 k 470 k 47 k 68 P
FRQCON
C71 C70
VCC 0.1 0.01
IC5
VOLMIN — VOLMAX 3.31 V
Q15 7.23 V — 7.07 V TA7368F C153 D7
100
2SB1132 R W8 1SV288
1 NC POUT 10 ERJ3GE-JPW
TX: 0 V 2 9
VCC PWGND
RX: 3.96 V 3 8
NC PREGND
4 PHASE 7
Q16 VIN NF 6 R223
R126 5 RIPPLE 100 k
XP6501 AB
R120 10 k
6 5 4 PLST
68 k SCK
R122 R127 R128 SO
33 10
D26 2.7 k
DAN202K UNLK
1 2 3 C149 C55
C293 L14 0.01
0.1 0.1 47 nH B
82 nH C
C150 C151 C152
10 47 P 0.047
R145 C139 R121 C140 R123 C145 C146 C171
C62 C61 R41
1 M 0.1 1 k 0.1 3.3 k 10 0.001 0.1 9 P C 12 P C 47 B
TX: 0 V 18 P B C60
18 P B 100 C
RX: 3.96 V 0.001
VOLOUT
AFOUT
LVIN
TX: 0 V
RX: 4.99 V
R265
BDET 100 k
SQLIN
C302
0.1
R274
10 k D only
DS2
LNJ310M6URA
DEV
DS3
LNJ310M6URA
Q25
1.5 V (Light ON)
2SC4116 GR
S5
R5
R204
3.3 k C255 R89
0.001
1.2 k
R205 R155 C56 R90
1.5 k TX: 0 V
100 0.01 680 k FI2
RX: 3.47 V
SFPC450E G, P
C51 SFPC450D J
C256 L13 C65 C67
47 P 1.0 H SFPC450G [OTHER]
VIN 1 P97/SEG40 75 0.001 SEG12 2 P 10 P CFWC450F D
PB0/AN0
2 P96/SEG39 74 SEG11
AVSS
3 TEST P95/SEG38 73 SEG10
4 P94/SEG37 72 SEG9 O
X2
5 P93/SEG36 71 SEG8
X1 Q10
6 P92/SEG35 70 SEG6
XIN 7 VSS P91/SEG34 69 SEG5
OSC1 2SC4116 GR C53 C66 L25
XOUT 8 P90/SEG33 68 SEG4 18 P 18 P 1.0 H
OSC2
RESET 9 P87/SEG32 67 SEG3
RES SQLIN
10 NMI P86/SEG31 66 SEG2
CSIFT 11 IC8 P85/SEG30 65 SEG1 R88
P20/IRQ4/ADTRG C121
SCK 12 HD6433876B50H P84/SEG29 64 SEG7 33 k R 220 P I
P21/SCK1 39 k [OTHER]
SI 13 P22/SI1 P83/SEG28 63 UNLK 330 P [OTHER]
SO 14 P82/SEG27 62 CTDA2
P23/SO1
DAST 15 P81/SEG26 61 CTDA1 R87 R86
P24/SCK3 2.2 k I 47 k I
CLIN 16 P25/RXD P80/SEG25 60 CTDA0
CLOUT 17 P77/SEG24 59 ESDA 470 [OTHER] 82 k [OTHER]
P26/TXD
PLST 18 P76/SEG23 58 ESCK
P27/IRQ0
NOIS 19 P75/SEG22 57 DISCIN
20 P17/IRQ3/TMIF AFON
CIRQ P16/IRQ2 P74/SEG21 56 C122
BUSY 21 P73/SEG20 55 TXC 220 P I
P15/IRQ1
CCS 22 P72/SEG19 54 T5C 330 P [OTHER]
P14
OPT1 23 P13/TMIG P71/SEG18 53 R5C
OPT2 24 P70/SEG17 52
P12/TMOFH
OPT3 25 P67/SEG16 51 R246 R245 R237 C296
P11/TMOFL 100 k 100 k
1 k 0.001 AFOUT
R136 100
S5C
DUSE
MMUT
RMUT
SEG1
SEG2
R236 SEG3
1 k
R235 SEG4
C297 SEG5
680 k
CONT MMUT 0.001 SEG6
RMUT
SEG7
SEG8
NWC SEG9
OPV2
SEG10
OPV3
SEG11
SEG12
SEG13
R196 R272
100 k 100 k SEG14
D only SEG15
SEG16
C199 SEG17
OPV1 SEG18
0.1
SEG19
R273
SEG20
100 k
D only SEG21
SEG22
COM1
COM2
COM3
COM4
VCC
T5
R5
S5
5V
R175
1 k
X1
R185 C211
CR-664A [OTHER] 1 k 0.1
CR-671A D, H
R45
100
C63
39 P C234
0.001
C64 R31
4 P 1 k
CP1
(LV check ponit) TX: 0.97 V
RX: 1.03 V
1 GND1 20
VCC1
2 IN2 19
IN1 C46
3 ENB VCC2 18 Q34
4 XB 17 0.001 Q11
CLK 4.72 V VCC
5 XI 16 2SK1069 4 XP6501 AB
DATA
6 T1 XO 15 R151
7 GND2 14 47 k 6 1 T5
LOK
8 CP2 13
CP1 TX: 5.03 V 5 2
9 FI1 FI2 12
10 FO2 11 RX: 0.05V
FO1 R184
4 3
10 k C300 3.58 V
IC1 R28 3.57 V R23 R21
C233 0.001 100 100 100
UPD3140GS R186 C301
0.001 47 k 1.44 V
0.001
R30
C54 4.7 k C29 R18
TX: 0 V C50 L10
TX: 1.92 V 0.001 C290 C37 R27 C39 0.1 H C 0.001 39 k
15 P RX: 3.24 V 10 0.001
RX: 1.98 V 2 P 470 0.15 H B 3.59 V
R22
Q8 68 k
L12 L11 2SC5085 Y
R26
2.7 H MC152-E558CN-100024 4.7 k
R32 L9
R35 R34 C45 C32
680 10 560 0.001 R20 0.1 H C
R33 82 P C C33 68 k 0.15 H B
2.2 k 180 P B C36
L34 0.001
C47 C218 0.001
C49 0.1 0.001 2.2 H
0.68
D28 D6
C48 R29 C34
MA77 1 k MA2S077 D5 R25 C31
2.2 HVC350B C38 4.7 k 0.5 P
2.5 P 5 P C30
D13 C35 22 P
HVC350B C28
0.001
TX: 0.85 V 12 P
R264 C41 Q7 Q6 Q5
RX: 0.47 V Q32 C42 C44 30 P B
68 k [OTHER] 39 P C 2SC5085 Y 2SC4215 O 2SC4215 O
150 k R DTC144EU 0.001 0.001
5V
R249
1LO
47 k
R208 C235 C229 R209
C295 TX: 1.39 V
0.001 10 k 0.1 0.001 100 k RX: 2.47 V
S5
R5
R84 TX: 0 V R81
390 R244 1.5 k [OTHER]
RX: 3.64 V 100 k
R85 X3 560 J R77
R69
1.5 k CDBC450CX24 TX: 0 V TX: 0 V 10 E C106 100
39 P E R68
RX: 2.3 V RX: 4.58 V 100 [OTHER] 4.7 k
R82 47 P G
2.2 k [OTHER]
C117 56 P [OTHER]
IC2 0.001 3.9 k I
L20 C99
TA31136FN (D) C108 C107
C111 0.47 H [OTHER] 0.001
1 16 0.01 0.001 0.56 H E, G
I OSCIN MIXIN 0.01
2 15 Q13
OSCOUT GND FI1 (31.05MHz)
3 14 C116 FL-311 [OTHER] 3SK239A [OTHER]
MIXOUT N-REC FL-312 G 0 V C98 C97
4 VCC N-DET 13 82 P I R253 3SK320 E 5 P [OTHER] 5 P [OTHER]
5 12 470 R80 FL-333 M, P
IFIN RSSI 120 P [OTHER] C109 0 V 3 P N 4 P N
6 11 100 k FL-334 J 0.001
DEC IFOUT C115 TX: 0 V
7 FILOUT QUAD 10 0.01 RX: 0.53 V C102 L21
8 9 R79
FILIN AFOUT 560 except J 15 P 47 nH
R262
R83 1.2 k G 1 k [OTHER]
R269
470 1 G
C303 2.7 k D only
C307 Q14
0.001
0.01 D only 2SC4215 O
Q41 R75
C120 C119 C118 C110
C114 C113 C112 2SC4116 GR D only 120 [OTHER] C105 C104 R72 L29 C101 L19 C96
0.1 1 0.01 0.033 0.001 0.001 1 P G 150 A 0.01 0.001 10 k R70 0.1 H 56 P [OTHER] 56 nH C 180 P
3.5 P J
4.7 k M, P 22 P A 68 nH B
R270 9 P [OTHER] C100
10 k A 39 P [OTHER]
47 k D only
F (DET) 56 k F 22 P A
100 k [OTHER]
C308 R271
0.01 D only 47 k D only
1
2 COM4
COM3
3
COM2
4
COM1
5 SEG1
6
SEG2
7
SEG3
8
9 SEG4 NOTE
SEG5
10
SEG6
11
12 SEG7
SEG8 A: L-band of ETS/CEPT version B: L-band C: H-band
13
SEG9
14
SEG10
15 SEG11 G: W-type of [GEN] H: EIA/TIA version I: N and W/N-type
16 DS1
SEG12
17 LM-7045B
SEG13
18 SEG14 L: H-band of [GEN] and EIA/TIA version M: N-type of ETS/CEPT version
19
SEG15
20
SEG16
21 SEG17 P: M (20 kHz)-type Q: 100 channel version
22
SEG18
23
SEG19
24
25 SEG20
SEG21
26
SEG22
27
COM1
28 COM2
29
COM3
30
COM4
VCC
T5
L26 R160
C14
4.03 V 3225 H 150
R255 0.001 [OTHER] TX: 1.69 V
R19 R15 R13 0.01 N C204
100 C20 56 RX: 0.03 V
3.37 V 100 33 TX: 4.62 V 0.001
0.001
RX: 0.04 V
L5
C289 C288
10.5 nH 0.01
0.001
L6 L24
C19 C21 2.7 H
39 nH 0.001 4.7 L32 C278
C8 L2
L8 C26 R14 15 nH [OTHER] R3 20 P [OTHER] L1
0.1 H 0.001 L7 17 nH E 27 P A 0.001 28 nH 32 nH
4.7 k 0.1 H 2.2 k
R12
C24 C2
TX: 0.7 V 3.3 k L31 C281 L4 C205 D1 C4
0.001 C280 50 nH 5 P K 6 P [OTHER]
RX: 0.73 V Q3 7.5 nH 0.001 0.001 MA77
30 P A C15 9 P [OTHER] 8 P A
2SC5085 Y 47 P [OTHER] R5 11 P A 9 P K
82 P R2
C27 C25 22 Q1 2.2 k
D3 Q2
18P MA77 6 P 2SK2974 C287
C22 2SK2973 20 P [OTHER]
27 P
C285 27 P A
R16 R7 TX: 2.16 V D32
1 R11 100 TX: 2.17 V RX: 0.53 V 56 P K C5 C1
RX: 0.53 V RB706F-40 C3 15 P L
D4 1.2 k 47 P [OTHER] D33 18 P C 30 P [OTHER]
39 P N 24 P B 22 P K
MA77 L28 C13 RB706F-40 39 P N
R17 0.001
1 k 82 nH
Q4 TX: 0.8 V R9 R161 C252
C17
2SC4215 O RX: 0 V 10 k 22 k 0.001
0.001 R162
22 k
C251
R10
27 K C298 C18 0.001
0.001 C10
68 A 4.7
0.001
82 [OTHER]
C23
0.001
S5 S5
R5
W7
ERJ3GE-JPW TX: 1.68 V
R61 R222 Q37
47 10 k [OTHER] C179 RX: 5.03 V
DTA144EU
15 k A 0.01
TX: 0 V
RX: 4.76 V L18 R258 R210
56 nH C TX: 0 V C73 3.9 k
33 k RX: 3.57 V 0.1
C90 68 nH B TX: 0.83 V
0.001 RX: 0.01 V
TX: 1.67 V
R52 RX: 3.73 V
Q12 C277
C80 100 k
C94 C91 C89 3SK293 1.5 P [OTHER] C83 L22 L15
2 P G 2 P B
1 P 5 P 0.001 1 P 3 P C 50 nH 50 nH R53
4 10 k
TX: 0 V TX: 0 V 2
D12 D10 C79 1
D11 RX: 2.43 V RX: 4.76 V D9
HVU350B HVU350B HVU350B HVU350B 5 P 3
R187 11 R54
1 k B 180 k
C138 R252 IC3A
R64 100 k C
R66 100 k 0.001 100 k R62 R57 NJM2902V
100 k L17
C92 56 nH C C86 C85 100 k 100 k C81 L16
C88 C87 R59 C78 D8 D2 C52 C76 D29 C75 R251 C243 R163
100 P 68 nH B 5 P 180 P 100 P 56 nH C 10 P MA77 MA77 22 P 8 P MA8030 H 0.1 330 k 0.001 2.2 k
0.001 0.01 470 68 nH B
R67 R65
100 k 100 k
C95 C93 R63 C84 C82 R58
0.001 0.001
0.001 0.001 100 k 100 k
D: W/N-type E: ETS/CEPT version F: W-type and H-band of ETS/CEPT version
J: W-type of ETS/CEPT version K: L-band of [GEN] and EIA/TIA version
N: H-band of ETS/CEPT version O: W-type and L-band of [GEN]
R: N-type
CHASSIS
ANT
C1
15 P N
18 P A
R1
82 k
TX: 1.61 V
RX: 0.67 V