Icom IC-F3GS Service Manual page 31

SECTION 11 VOLTAGE DIAGRAM
AFOUT
DISCIN
VCC
T5
R5
S5
J5 5V
R5
16 SCK
S5
15 OPV1
17 SI LVIN
14 OPV2
18 SO
13 OPV3
19 CIRQ
BUSY R5
12 GND
20 CCS S5
11 OPT3
21 REM
10 OPT2
22 AFOUT VCC
9 OPT1
to Optional unit 23 DISCIN
8 SIGOUT
24 RXMUTE RMUTE R177
1 k
7 MOWN CPU5 IC3C
25 BEEPOUT C132 NJM2902V
R266
R131 15 k 0.0056
6 BUSY 10
26 AFONOP 470
8
TX: 3.69 V C217 C124
5 AUX C304 9
27 MICMUTE MMUTE RX: 5.01 V 0.1 0.01
D 0.047 C134
R105
4 MICIN 220 P
28 VCC PTT 470 [Narrow]
390 [Wide] R176
3 MICOUT C209 3.9 k
29 5V Q17 0.1
C
TX: 4.84 V UN911H R108
2 PTTOUT RX: 0 V
30 GND C133 150 k
0.1
1 PTTIN R109
R137 R104
C147 C154 R130 10 k
0.1 10 100 100 100 k
MIC
VOLIN VOLIN
C223 C224 VOLOUT VOLOUT
0.01 0.01 AFOUT AFOUT
C148
TONE
0.01 BEEPOUT
R125 R171
W5 27 k 47 k
OPC-963
SP1 J6 C164
SP 0.001
2 1
1 2
5.06 V Q18
2SB1132 R
SPEAKER CPU5
VCC
5V
R5
S5
TX: 0 V
TX: 4.97 V
RX: 0.03 V RX: 5.01 V R135
10 k
T5
MC1
Q22 Q21
MIC
MIC 2SA1577 Q 2SA1577 Q Q19
R260 R261
XP6501 AB
10 k 10 k
R144 6 5 4
22 K 5.01 V 0.12 V
C163
S3 0.001 Q20
PTT R141 R139
4.7 k 4.7 k DTA144 EU
SWITCH TX: 0.85 V TX: 5.01 V 1 2 3
RX: 5.01 V RX: 0.86 V
4.44 V
R143
TP76NOON-15F-10KA-2251
C162 C294 C161 C174 R134 C159 C160 C158
VOLOUT
0.01 33 0.01 22 2.2 k 470 P 0.01 10
VOL/ PWR
SWITCH VOLIN
VCC
CPU5
C282 S5 S5
0.001 A R142 T5 T5
(VR) R5 R5
100
KR0
HV KR1
R132
KR2
470
J2 OPT KR3
MIC
EXT.MIC
R174 R140 S2
15 k 100 k UP DN JPM1990-2013R
R239
1 k
D27 KS4
C165 C166
RB706F-40
AFOUT 0.001 0.001
SP KS3
1 2 3 P0
KS2
EXT.SP
CLONE Q31 KS1
KS0
4.92 V DTC144TU
J3 4 5 6 P1 R238
C299
1 k
470
C167 C168 C169
47 P 0.001 0.001
7 8 9 P2
R240
1 k
S1
BATT
4.96 V
* 0 # P3
GND
C283 C173
C249
0.001 47 S1
JPM1990-2013R 0.01
BDET
BDET
LEFT SIDE
11 - 1
R5
S5
VCC
R97 R115
R95 220 k 120 k
1 M 1.94 V
R44
C125 C212 R98 R114
10 k [Narrow] C135
0.0022 0.01 180 k 33 k [Narrow] 180 P
18 k [Wide] 22 k [Wide]
6 1 14
I/O VDD R169 C137
7 2 13 0.033 [Narrow]
C126 R257 O/I CONT.A 10 k [Narrow] C213 R107
5 3 O/I CONT.D 12 2.2 150 k 13 0.027 [Wide]
0.0027 1 4 11 12 k [Wide] 14
I/O I/O
5 10 12 R99
IC3B CONT.B O/I R117
R94 6 9 C214 R113 12 k
NJM2902V CONT.C O/I R112 1.5 k
R93 1 M 7 VEE I/O 8 0.033 68 k IC3D
27 k 1 M
NJM2902V
IC4
R96 C286 BU4066BCFV R168 R170 R159 R116
C128 C136 100 k 1 k
47 k 0.0022 10 k 10 k 0.0056
C131 1
0.01
R100
1.8 k
VOLIN
VOLOUT VOLOUT
AFOUT AFOUT
C215 TX: 5.0 V
0.1 RX: 0.01 V
CPU5
5.01 V R182
VCC VCC NTCCM20124AG473JCT
5V CPU5
L33
5.02 V 1.0 µH
IC10
4 5 6 R150 C123
M62363FP-650C
470 0.001
1 24
VIN1 VIN8 R103 R215 C231
T1 2 23 R148 C197
VOUT1 VOUT8 12 k 100 k 0.1
T2 3 VOUT2 VOUT7 22 100 k 0.1
T3 4 21
VIN2 VIN7
T4 5 20 R146 R181
VDD GND IC11
DAST 6 19 12 k R216 100 k
LD RESET S-80942ANMP-DD6 100 k
SCK 7 CLK VDAREF 18
SO 8 17
DI DO
9 16 R147 X2
VIN3 VIN6
10 15 1 5 12 k CR-663
11 VOUT3 VOUT6 14 2 OUT CD
VOUT4 VOUT5 VDD
3 2 1 12 13 3 4 D14 C195
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
C156 C155
0.1 10
R153 R152 R154 C244 C236
470 k 470 k 470 k 0.01 0.01
IC7
R164
HN58X2432TI R226
100 k [F3GT] only
R220 1 k
270 k 8 1
VCC A0
R218 R219 7 2 SCK
6 WP A1 3 SI
DTMF 120 k 120 k SCL A2
5 4 SO
3.8 V SDA VSS
DAST
R213
CLOUT
Q36 470 R228
10 k R232
2SC4116 GR 3.8 V C245
0.8 V 0 V 0.01 CLIN 1 k
PLST
C248 R221 R225
100 k R234 NOIS
0.01 330 k
22 k
CIRQ
T5 CTCSS R231
22 k BUSY
1.5 V CTDA2
CCS
R5 R206 0.4 V R230 OPT1
OPT2
470 k [Wide] only 56 k
DTCS 1.2 V CTDA1 OPT3
IC12A C250
R211 0.01
NJM2904V R229
100 k 180 k
R190 0.4 V CTDA0
22 k R192 R199 IC12B
C201 R198 1 [Narrow]
22k 8 NJM2904V
R191 3 0.1 18 k 47 k [Wide] Q35 REM 4.8 V
1 6 DTCS
22 k 2SC4116 GR 4.4 V
2 7 R227
R203 R202 R243 R242 R241
4 5 47 k 1.4 V 1 M 1 M 1 M
C222 R197 C200 47 k 47 k C219
56 k 0.033 R224 1.0 V
0.1 0.0082
27 k
C228 C227 CTCSS 4.5 V
R201 820 P 0.1
R200
680 k [Narrow] only
1 [Narrow]
C202 R212 C198 47 k [Wide] 1.2 V R194
68 k 2.2 R267
0.01 R193 100 k
47 k [Narrow] C216
0.1 Q38 100 k
100 k [Wide] R207
C221 47 k DTC144EU
C225 Q33 R165
0.039
0.0047 [Narrow] DTC144EU 100 k [F3GS] only
0.0068 [Wide]
DUSE
AFOUT AFOUT
DISCIN DISCIN
VCC VCC
T5 T5
R5 R5
S5 S5
5V 5V
R5 R5 R5
S5 S5 S5
LVIN LVIN
C72 R48
1 10 k
DBAL
R51 R50
100 k 470 k
FRQCON
C71 C70
VCC
0.1 0.01
IC5
VOLMIN – VOLMAX 3.31 V
Q15 7.23 V – 7.07 V TA7368F C153
100
2SB1132 R
1 NC POUT 10
TX: 0 V TX: 0 V 2 9 W8
VCC PWGND
RX: 4.62 V RX: 3.96 V 3 8
NC PREGND
4 PHASE 7
Q16 VIN R223
R126 5 RIPPLE NF 6 100 k
1.94 V XP6501 AB
R120 10 k
6 5 4 PLST
68 k SCK
R127 R128 SO
R122 33 10
D26 2.7 k
R178 DAN202K
UNLK
3.9 k
1 2 3 C149
0.1 C293
0.1 L14
82 nH
C150 C151 C152
10 47 P 0.047
C129 R145 C139 R121 C140 R123 C145 C146 C171
15 1 M 0.1 1 k 0.1 3.3 k 10 0.001 0.1
TX: 0 V C62 C61
RX: 3.96 V 9 P 12 P
VOLOUT
C60
AFOUT
LVIN 0.001
TX: 0 V
RX: 4.99 V
R265
BDET 100 k
C302
0.1
CTCIN DS2
REMO LNJ310M6URA
DEV
C232
0.1
TEMPS 1.5 V (Light ON)
DS3
LNJ310M6URA
R204
3.3 k S5
Q25
R5
2SC4116 GR
R89
1.2 k
R205 R155
C56 R90
1.5 k 100 0.01 680 k TX: 0 V
RX: 3.47 V
C51
L13
47 P 1.0 µH C65 C67
2 P 10 P
VIN 1 P97/SEG40 75 SEG12
2 PB0/AN0
AVSS P96/SEG39 74 SEG11
3 P95/SEG38 73 SEG10
TEST
4 P94/SEG37 72 SEG9 L25
X2 1.0 µH
5 X1 P93/SEG36 71 SEG8
6 P92/SEG35 70 SEG6 Q10
VSS
XIN 7 P91/SEG34 69 SEG5 2SC4116 GR C53 C66
OSC1
XOUT 8 P90/SEG33 68 SEG4 18 P 18 P
OSC2
RESET 9 RES P87/SEG32 67 SEG3
10 P86/SEG31 66 SEG2
NMI IC8
CSIFT 11 P85/SEG30 65 SEG1 R88 C121
P20/IRQ4/ADTRG
SCK 12 HD6473877H P84/SEG29 64 SEG7 33 k [Narrow] 220 P
SI 13 P21/SCK1 UNLK 39 k [Wide]
P22/SI1 P83/SEG28 63
SO 14 P82/SEG27 62 CTDA2
P23/SO1
DAST 15 P81/SEG26 61 CTDA1 C122
P24/SCK3
CLIN 16 P25/RXD P80/SEG25 60 CTDA0 R87 220 P
CLOUT 17 P77/SEG24 59 ESDA
P26/TXD 2.2 k [Narrow]
PLST 18 P76/SEG23 58 ESCK 470 k [Wide]
P27/IRQ0
NOIS 19 P75/SEG22 57 DISCIN
20 P17/IRQ3/TMIF
CIRQ P16/IRQ2 P74/SEG21 56 AFON
BUSY 21 P73/SEG20 55 TXC
P15/IRQ1 R136
CCS 22 P72/SEG19 54 T5C
P14 100
OPT1 23 P13/TMIG P71/SEG18 53 R5C AFOUT
OPT2 24 P70/SEG17 52
P12/TMOFH
OPT3 25 P67/SEG16 51 R237
P11/TMOFL
1 k
S5C
DUSE
MMUT
RMUT
R236
1 k
R235
680 k
CONT MMUT
RMUT
OPV1
OPV2
OPV3
R195 R196
100 k 100 k
C199 R246 R245 C296 C297
1
100 k 100 k 0.001 0.001
CENTER
VCC
T5
R5
S5
5V
CP1
(LV check ponit)
X1
CR-664
R49 C69 R45
(15.3 MHz)
47 k 33 P 100
R185
1 k
C63
56 P
D7 C64 R175 R31
1SV288 4 P C234 1 1 k
0.001
Q34
1 GND1 20 TX: 0.97 V
VCC1
2 IN2 19 RX: 1.03 V 2SK1069 4
IN1 C46
3 ENB VCC2 18
4 XB 17 0.001 Q11
CLK 4.72 V
5 XI 16 XP6501 AB VCC
DATA C211
6 XO 15 R151
T1 0.1 47 k 6 1 T5
7 LOK GND2 14
8 CP2 13
CP1 5 2
9 FI2 12
FI1
10 FO1 FO2 11 R184
4 3
10 k
C300 R28 R23
IC1 0.001 3.57 V
R186 C233 C301 100 100
PD3140GS 3.58 V
R41 47 k 0.001 0.001 1.44 V
100 R30
C54 4.7 k C33 R22 C32 R20
0.001 C290 TX: 0 V TX: 5.03 V C50 C39 0.001 68 k 0.001 68 k
TX: 1.92 V 10 C37 R27
C55 15 P RX: 3.24 V RX: 0.05V 2 P 470 0.001
RX: 1.98 V
0.01 Q8
2SC5085 Y L10
0.1 µH
L11 R26
4.7 k
L12 MC152-E558CN-100024
2.7 µH
R34 R32 C36
R35 10 560 D6 C45
680 C49 R29 0.001
0.68 R33 1 k MA2S077 82 P L34
2.2 k 2.2 µH
D28
C34
MA77 R25 C31
0.5 P 5 P
C48 D5 4.7 k
C35
2.2 HVC350B
0.001
TX: 0.85 V D13
R264 HVC350B C38 Q7 Q6
RX: 0.47 V C47 C218 Q32 C42 C44
150 k [Narrow] 0.1 0.001 C41 2.5 P 2SC5085 Y 2SC4215 O
68 k [Wide] DTC144EU 0.001 0.001 30 P
5V
R249
1LO
47 k
C295 R208 C235 C229 R209 TX: 1.39 V
10 k 0.1 0.001 100 k
0.001 RX: 2.47 V
S5
R5
R84
TX: 0 V R244
390 RX: 3.64 V 100 k R82
3.9 k [Narrow]
R85 R81 R77
1.5 k 2.2 k [Wide] 1.5 k 100
TX: 0 V TX: 0 V C106
RX: 2.3 V RX: 4.58 V
56 P [Narrow]
FI2
SFPC450G [Narrow] C117 47 P [Wide]
SFPC450E [Wide] IC2 0.001
X3
TA31136FN(D)
CDBCA450CX24 C111 L20
1 16 C108 C107 0.47 µH [Narrow]
O I OSCIN MIXIN 0.01 0.01 0.50 µH [Wide]
2 15 0.001
3 OSCOUT GND 14 FL1 (31.05MHz)
MIXOUT N-REC C116
4 13 82 P [Narrow] FL-311 [Narrow] Q13
VCC N-DET FL-312 [Wide] C109 0 V 0 V C98
5 12 120 P [Wide] R253 R80 0.001 3SK239A
IFIN RSSI 100 k 5 P
6 DEC IFOUT 11 470
7 10 TX: 0 V
FILOUT QUAD R262 RX: 0.53 V C102 L21
8 9 1.8 k [Narrow]
FILIN AFOUT 15 P 47 nH
1 [Wide]
R83 C115
470
0.01
C303 R79
R86 0.001 560 [Narrow]
47 k [Narrow]
1.2 k [Wide]
100 k [Wide] C120 C119 C118 C114 Q14 R75 C105 C104 R72 R70 L29 C101
C113 C112 C110 C100
0.1 1 0.01 0.033 0.001 0.001 2SC4215 O 120 0.01 0.001 10 k 100 k 0.1 µH 56 P 39 P
9 P [Narrow]
3.5 P [Wide]
F(DET)
1
COM4
2
3 COM3
COM2
4
COM1
SEG1 5
SEG1
SEG2 6 SEG2
SEG3 7
SEG3
SEG4 8
SEG4
SEG5 9
SEG5
SEG6 10 SEG6
SEG7 11
SEG7
SEG8 12
SEG8
SEG9 13 SEG9
SEG10 14
SEG10
SEG11 15
SEG11
SEG12 16 DS1
SEG12
SEG13 17 SEG13 LM-7045B
SEG14 18
SEG14
SEG15 19
SEG15
SEG16 20
21 SEG16
SEG17 SEG17
SEG18 22
SEG18
SEG19 23
SEG19
SEG20 24 SEG20
SEG21 25
SEG21
SEG22 26
SEG22
COM1 27
COM1
COM2 28 COM2
COM3 29
COM3
COM4 30
COM4
VCC
T5
4.03 V
R21 R19 R160
R15 R13
100 100 100 33 150
3.59 V 3.37 V TX: 4.62 V
TX: 1.69 V
RX: 0.04 V RX: 0.03 V
C20 C204
C29 R18 L26
0.001 39 k 0.001 3225 µH 0.001
L5
R255 C19
56 0.001 10.5 nH
C288
L9 L8 C26 L24
0.1 µH 0.1 µH R14 L7 0.001
0.001 0.1 µH C289 2.7 nH
4.7 k L6
R12 39 nH 47 P
C24 3.3 k C281 C205 C8
TX: 0.7 V 0.001 L4
C21 C14 0.001 50 nH 0.001 0.001
RX: 0.73 V
C22 L28 C15 4.7 0.001
27 P 82 nH 82 P L32 L31
D1
C27 D3 C25 15 nH 7.5 nH MA77
R3 R2
18 P MA77 6 P
Q3 R7 R5 2.2 k 2.2 k
C285
2SC5085 Y 100 22 Q1 47 P
R16
C30 1 Q2 2SK2974
C287 C278
22 P D4 R11 2SK2973 D33 D32
C28 1.2 k TX: 2.16 V 20 P 20 P RB706-F40
MA77 C13 RX: 0.53 V RB706-F40
12 P R17 0.001
Q5 1 k
Q4 R9
2SC4215 O
2SC4215 O TX: 0.8 V 10 k
RX: 0 V R162 R161
22 k 22 k
C251
C23 R10 C280 C17 C18 0.001
0.001 82 47 P 0.001
C298 0.001 C10 C252
4.7 0.001
0.001
TX: 2.17 V
RX: 0.53 V
S5
R5
TX: 1.68 V
RX: 5.03 V
TX: 0 V
R69 RX: 4.76 V W7
R61
R68 100 47
4.7 k
L18 R222 R258 C73
C99 C90 56 nH 10 k 33 k TX: 0 V
0.001 0.001 RX: 3.57 V 0.1
TX: 0.83 V C179
RX: 0.01 V
0.01
R52
Q12
C277 100 k
3SK293 1.5 P [Narrow]
C97 C94 C91 C89 C83 C80 C79 L22 L15
2 P [Wide]
5 P 1 P 5 P 0.001 1 P 3 P 5 P 50 nH 50 nH
4 2
TX: 0 V
D12 D11 D10 D9 1
HVU350 HVU350 RX: 4.76 V
HVU350 HVU350 3
11
R187
100 k
R66 R64 R62 R57
100 k 100 k
C92 C88 C87 R59 C138 R252 L17 C86 C85 100 k 100 k C81 C78 D8 D2 C52 C76 D29
L19 C96 L16 C75 R251
56 nH 180 P 100 P 0.001 0.01 470 0.001 100 k 56 nH 5 P 180 P 100 P 56 nH 10 P MA77 MA77 22 P 8 P MA8030 H 0.1 330 k
TX: 0 V
RX: 2.43 V IC3A
TX: 0 V
R67 R65 RX: 4.76 V R63 R58 NJM2902V
100 k 100 k 100 k C84 C82 100 k
0.001 0.001
C95 C93
0.001 0.001
RIGHT SIDE
L2 L1 ANT
28 nH 32 nH
C4 C2
9 P 6 P
C5 C3 C1 R1
18 P 30 P 15 P 82 k
TX: 1.61 V
RX: 0.67 V
S5
Q37
DTA144EU
R210
3.9 k
TX: 1.67 V
R53 RX: 3.73 V
10 k
R54
180 k
C243 R163
0.001 2.2 k