Voltage Diagram - Icom IC-F3GS Service Manual

SECTION 11

VOLTAGE DIAGRAM

J5
16 SCK
15 OPV1
17 SI
14 OPV2
18 SO
13 OPV3
19 CIRQ
BUSY
12 GND
20 CCS
11 OPT3
21 REM
10 OPT2
22 AFOUT
9 OPT1
to Optional unit 23 DISCIN
8 SIGOUT
24 RXMUTE RMUTE
7 MOWN
25 BEEPOUT
6 BUSY
26 AFONOP
5 AUX
27 MICMUTE MMUTE
4 MICIN
PTT
28 VCC
3 MICOUT
29 5V
2 PTTOUT
30 GND
1 PTTIN
MIC
VOLIN
C223 VOLOUT
C224
0.01 0.01 AFOUT
W5
OPC-963
C164
SP1 J6
0.001
SP
2 1
1 2
CPU5
SPEAKER
VCC
5V
R5
S5
T5
MC1
MIC
MIC
R144
22 K
C163
0.001
S3
PTT
SWITCH
R143
TP76NOON-15F-10KA-2251
VOLOUT
VOL/ PWR
SWITCH VOLIN
VCC
C282
0.001 A
R142
(VR)
100
HV
J2
OPT
MIC
EXT.MIC
D27
C165 C166
RB706F-40
0.001 0.001
AFOUT
SP
EXT.SP
CLONE
4.92 V
J3
C167 C168 C169
47 P 0.001 0.001
BATT
GND
C283 C173
0.001 47
BDET
COMPLETE VIEW
AFOUT
DISCIN
VCC
T5
R5
S5
5V
R5
S5
LVIN
R5
S5
VCC
CPU5
IC3C
C132 NJM2902V
R266
R131 0.0056
15 k
470 10
TX: 3.69 V 9
C304
RX: 5.01 V
D 0.047
R105
470 [Narrow]
390 [Wide]
C209
Q17
0.1
C
UN911H
TX: 4.84 V
RX: 0 V
C133
0.1
R137 R104
C147 C154 R130
100 100 k
0.1 10 100
C148
TONE 0.01
R125
27 k
Q18
5.06 V
2SB1132 R
TX: 0 V
TX: 4.97 V
RX: 5.01 V R135
RX: 0.03 V
10 k
Q22 Q21
Q19
2SA1577 Q 2SA1577 Q
R260 R261
XP6501 AB
10 k 10 k
6 5 4
5.01 V
Q20
R141 R139
4.7 k 4.7 k DTA144 EU
1 2 3
TX: 0.85 V TX: 5.01 V
RX: 5.01 V RX: 0.86 V
4.44 V
C162 C294 C161 C174 R134 C159 C160
0.01 33 0.01 22 2.2 k 470 P 0.01
CPU5
S5
T5
R5
R132
470
R174 R140
S2
100 k
15 k JPM1990-2013R
UP DN
1 2 3 P0
Q31
DTC144TU
4 5 6 P1
C299
470
7 8 9 P2
4.96 V
* 0 # P3
BDET
11 - 1
R95
R177
1 M
1 k
C125
0.0022
6 1
I/O
8 7 2
O/I
C217 C124 C126 5 R257 3
O/I
0.1 0.01 0.0027 1 4
C134 I/O
5
IC3B
220 P CONT.B
R94 6
NJM2902V CONT.C
1 M 7
R176 R93
VEE
3.9 k 27 k
IC4
R108
150 k R96 C286 BU4066BCFV
47 k 0.0022
R109
10 k
VOLIN
VOLOUT
AFOUT
C215 TX: 5.0 V
RX: 0.01 V
BEEPOUT 0.1
R171
47 k
CPU5
VCC
5V
5.02 V
IC10
4 5 6
R150
M62363FP-650C
470
1
VIN1
T1 2
VOUT1
T2 3
VOUT2
T3 4
VIN2
T4 5
VDD
DAST 6
LD
0.12 V SCK 7
CLK
SO 8
DI
9
VIN3
10
VOUT3
11
VOUT4
3 2 1 12
VIN4
C156 C155
C158 0.1 10
R153 R152 R154 C244 C236
10 470 k 470 k 470 k 0.01 0.01
S5
T5
R5
R220
270 k
KR0
R218 R219
KR1 120 k 120 k
DTMF
KR2
3.8 V
KR3
Q36
2SC4116 GR
0.8 V
0 V
R239
C248 R221
1 k
KS4
0.01 330 k
T5
KS3
KS2
KS1 R5
KS0
IC12A
R211
R238
NJM2904V
1 k 100 k
R190
R192 R199
22 k
1 [Narrow]
22k C201 R198
3 8
0.1 18 k 47 k [Wide]
R191
1
22 k
2
4
R240 R197 C200
C222
1 k
56 k 0.033
S1 0.1
R200
1 [Narrow]
R212 C198
C202 47 k [Wide]
68 k 2.2
0.01
C249 C221
S1
C225 Q33
0.01 0.039
JPM1990-2013R 0.0047 [Narrow]
DTC144EU
0.0068 [Wide]
R5
S5
VCC
R97
220 k
R44
C212 R98 R114
10 k [Narrow]
0.01 180 k 33 k [Narrow]
18 k [Wide]
22 k [Wide]
14
VDD R169
13
CONT.A C213 R107
10 k [Narrow]
12
2.2 150 k
CONT.D
12 k [Wide]
11
I/O
10
O/I
9
C214 R113
O/I
8 R112 0.033 68 k
I/O
1 M
R159
R168 R170
C128 C136
100 k
10 k 10 k
0.0056
C131 1
0.01
VOLIN
VOLOUT
AFOUT
5.01 V
L33
1.0 µH
C123
0.001
24
VIN8
23
R148 C197
VOUT8
22
100 k 0.1
VOUT7
21
VIN7
20
R146
GND IC11
19 12 k
RESET
S-80942ANMP-DD6
18
VDAREF
17
DO
16 R147
VIN6
15 1 5 12 k
VOUT6 OUT CD
14 2
VOUT5 VDD
13 3 4
VIN5 VSS NC
C230 C144
0.022 0.001
IC7
R164
HN58X2432TI
100 k [F3GT] only
8 1
VCC A0
7 2 SCK
WP A1
6 3 SI
SCL A2
5 4 SO
SDA VSS
DAST
R213
CLOUT
R228
470
10 k
3.8 V C245
CLIN
0.01
PLST
R225
100 k R234 NOIS
22 k
R231 CIRQ
CTCSS
BUSY
1.5 V 22 k
CTDA2
CCS
OPT1
0.4 V
R206 R230
OPT2
470 k [Wide] only 56 k
DTCS CTDA1
OPT3
C250 1.2 V
0.01
R229
180 k
0.4 V CTDA0
IC12B
NJM2904V
REM
Q35
DTCS
6
2SC4116 GR
7 R227
R203 R202
47 k
5
47 k 47 k
C219
R224
0.0082
27 k
C228 C227 CTCSS
820 P 0.1
R201
680 k [Narrow] only
R267
C216
47 k [Narrow]
0.1 Q38
100 k [Wide] R207
47 k DTC144EU
DUSE
AFOUT
DISCIN
VCC
T5
R5
S5
5V
R5
S5
LVIN
VCC
VOLMIN
Q15
7.23 V –
R115 2SB1132 R
120 k
TX: 0 V TX: 0 V
1.94 V
RX: 4.62 V RX: 3.96 V
C135
Q16
180 P
1.94 V
XP6501
C137
R120
6 5 4
0.033 [Narrow]
68 k
13
0.027 [Wide]
14
D26
12 R99
R117 R178
12 k DAN202K
1.5 k 3.9 k
1 2 3
IC3D
NJM2902V
R116
1 k
R100 C129 R145 C139 R121 C140
1.8 k 15 1 M 0.1 1 k 0.1
VOLOUT
AFOUT
TX: 0 V
RX: 4.99 V
R265
BDET 100 k
C302
0.1
R182
VCC NTCCM20124AG473JCT
CPU5
CTCIN
REMO
R103 R215 C231
C232
12 k 100 k 0.1
0.1
TEMPS
R181
R216 100 k
100 k
X2
CR-663
D14 C195
MA77 56 P
R102
10
C196 C193 R101 C194
470 P 8 P 1 M 15 P
VIN 1
PB0/AN0
2
AVSS
3
TEST
4
X2
5
X1
6
VSS
7
XIN
OSC1
XOUT 8
OSC2
RESET 9
R226
RES
10
1 k
NMI
CSIFT 11
P20/IRQ4/ADTRG
SCK 12
P21/SCK1
SI 13
P22/SI1
SO 14
P23/SO1
15
DAST
P24/SCK3
16
CLIN
P25/RXD
CLOUT 17
P26/TXD
PLST 18
R232
P27/IRQ0
1 k NOIS 19
P17/IRQ3/TMIF
CIRQ 20
P16/IRQ2
BUSY 21
P15/IRQ1
CCS 22
P14
23
OPT1
P13/TMIG
OPT2 24
P12/TMOFH
OPT3 25
P11/TMOFL
4.8 V
R235
4.4 V
680 k
CONT
R243 R242 R241
1.4 V
1 M 1 M 1 M
1.0 V
4.5 V
1.2 V
R194 R195 R196
100 k 100 k 100 k
R193
100 k
C199
R165
100 k [F3GS] only 1
R
2
TX:
RX:
IC8
HD64