Icom IC-F3GT Service Manual page 81

SECTION 12 VOLTAGE DIAGRAM
AFOUT
DISCIN
VCC
T5
J5 S5
AXN330C038 CPU5
R5
16 SCK S5
15 OPV1 CPU5
17 SI
14 OPV2
18 SO
13 OPV3
19 CIRQ
R5
12 GND
S5
20 CCS
CPU5
11 OPT3
21 REM
Tx: 2.19 V
10 OPT2 Rx: 2.20 V
22 AFOUT VCC
9 OPT1
to Optional unit 23 DISCIN Tx: 4.79 V
4 Vp-p
8 SIGOUT Rx: 0.00 V (a)1 kHz, 15 mV mic input)
24 RXMUTE RMUTE R177
1 k
7 MOWN 5V IC3C
25 BEEPOUT C132 NJM3403AV
6 BUSY C554 R131 0.0056
470 10
26 AFONOP 470 P
8
5 AUX 9 C217
Q17
27 MICMUTE BUSY MMUTE 0.1
R510 UN911H C663 C134
4 MICIN R509
1 k 0.047 R105 180 P
28 VCC PTT 10 k
470 [OTHER]
3 MICOUT C209 390 H
29 5V D 0.1 C
2 PTTOUT R137 R108
C133 180 k
30 GND 100 C665
0.1
1 PTTIN R109 47 P
C147 C154 R130
C562 C563 R516 10 k
0.1 10 100 k
47 P 47 P 15 k
R104 100 k
VOLIN VOLIN
VOLOUT VOLOUT
C223 C224
0.01 0.01 AFOUT AFOUT
MIC C148
TONE 0.01 BEEPOUT
R125
W1 27 k
SP1 OPC-963 J6
K036NA500-47 C164
BM028-ASRS-TF
0.001
2 1 SP
1 2
Q18
5.01 V
2SB1132 R
SPEAKER
VCC
CPU5
R5
S5
Tx: 4.84 V Tx: 0.00 V
Rx: 4.97 V R135
Rx: 0.19 V 10 k
MC1 T5
C163
KUC3523-040245 Q22 Q21
0.001 MIC
MIC 2SA1577 Q 2SA1577 Q Q19
R260 R261
XP6501 AB
10 k 10 k
R144 6 5 4
33 K
R133 4.7
C553 Q20
S3 R141 R139
PTT 47 P
JPM1990-2711R 4.7 k 4.7 k DTA144 EU
SWITCH 1 2 3
R143
TP76N00N-15F-10KA-2251
C669
R520 330 C162 47 P C161 C174 R134 C159 C160 C158
VOL/ PWR VOLOUT
SWITCH 0.01 0.01 22 2.2 k 470 P 0.01 22
R521 330
VOLIN
VCC
5V
S5 S5
C282
0.001 A T5 T5
R142
(VR) 100 R5 R5
KR0
HV KR1
J2 R132 R515 KR2
470
HSJ1122-010010 OPT 120 k KR3
EP10
BLM11B221SB
EXT.MIC MIC
R174 R140
EP11 S2
BLM11B221SB 15 k 100 k UP DN JPM1990-2711R
R239
1 k
D27 KS4
C165
RB706F-40
AFOUT 0.001
SP KS3
1 2 3 P0
KS2
EXT.SP
CLONE Q31 KS1
KS0
DTC144TU
4.89 V
J3 4 5 6 P1 R238
HSJ1456-01-220A 1 k
C167 C168 C169
47 P 0.001 0.001
7 8 9 P2
R240
L443 BLM21P300S 1 k
S1
DC
0 # P3
C675 C283 C173
470 P 0.001 47 [OTHER] S1
33 D JPM1990-2711R
R534 4.84 V
1 k
BDET BDET
12 - 1
R5
S5
VCC
Tx: 2.19 V 2.5 Vp-p
C556
Rx: 2.20 V ( a)1 kHz, –1.5 kHz)
47 P R97 R115
R95 220 k 120 k
1 M
R503 R507
C125 10 k 1 k C212 R98 Tx: 2.20 V
0.0022 C135
0.01 180 k 180 P Rx: 2.20 V
R114
6 1 14 C137
I/O VDD R44 R107 33 k [OTHER] 0.033 I
7 2 13 22 k H
C124 C126 5 C286 R257 R508 3 O/I CONT.A 12 8.2 k [OTHER] R169 C213 82 k I 13 0.027 [OTHER]
0.0022 4.7 1 k O/I CONT.D 10 k H 10 k 150 k [OTHER] 0.012 D
0.01 0.0027 4 11 2.2 14
I/O I/O
IC3B 5 10 12
CONT.B O/I R117
R94 NJM3403AV 6 CONT.C O/I 9 C214 R113 R116
1 M 7 8 R505 0.033 68 k IC3D 1.5 k
R176 R93 VEE I/O 1 k 1 k
3.9 k 27 k R96 NJM3403AV
47 k IC4
C128
BU4066BCFV R506 1 R168 R170 C136 R159
10 k 10 k 100 k
L441 1 k R112 0.0056
C674
47 P C672 1.0 H 1 M
47 P
VOLIN
VOLOUT VOLOUT
AFOUT AFOUT
C215
0.1 R 1.4 Vp-p ( a) 1 kHz, –1.5 kHz)
R171 T 2.3 Vp-p ( a) 1 kHz, 15 mV mic input)
47 k
C677
470 P
4.99 V
R182
VCC VCC NTCCM20124AG473JCT
CPU5 CPU5
L33
IC10 39 H
4 5 R164 R150 C123
M62363FP-650C R519
120 k [F4GT] only 470 1 k 0.001
1 24 R182
VIN1 VIN8 R103 R215 C231
T1 2 23 R148 12 k 100 k 0.1 C232
VOUT1 VOUT8 0.1
T2 3 VOUT2 VOUT7 22 C566 47 k
T3 4 21 C197 C550
VIN2 VIN7 47 P 0.1 22
T4 5 20 R181
VDD GND
DAST 6 LD RESET 19 CTCSS R216 100 k
SCK 7 18 100 k
CLK VDAREF 1.08 Vp-p
SO 8 17
DI DO
9 16 R147 X2
10 VIN3 VIN6 15 5 1 12 k CR-663
R153 VOUT3 VOUT6 CD OUT
470 k 11 14 2
VOUT4 VOUT5 VDD
3 2 1 12 13 4 3 D14 C195
VIN4 VIN5 NC VSS C144 MA77 39 P
0.001 R146 R102
C196 10
IC11 470 P 12 k
C244 C565 C193 R101 C194
0.01 S-80942ANMP-DD6
R152 R154 R165 47 P 8 P 1 M 12 P
C156 C155 470 k 470 k
120 k [F4GS] only C230
0.1 [OTHER] 10 C236 0.022
0.01 D
0.01
C311
0.1 D IC7
HN58X2432TI [OTHER]
R276 R226
R220 10 k D only HN58X2464TI O
330 k 1 k
R218 8 1
100 k I VCC A0
7 2 SCK
120 k [OTHER] 5 4 Q42 WP A1
6 3 SI
1 2 DTC144EU 5 SCL A2 4 SO
SDA VSS
D only DAST
R219 R228 R225 C245
DTMF 2.2 Vp-p 100 k I IC15 3
BEEP 2.5 Vp-p C679 R213 10 k 100 k 0.01
Q36 120 k [OTHER] TC7S66FU 47 P D 470 CLOUT
R232
2SC4116 GR D only
DTCS CLIN 1 k
2.59 V R234
R275 Tx: 1.07 V PLST
C248 R221 4.7 k Rx: 0.07 V 840 22 k [OTHER]
720 mVp-p mVp-p 10 k D NOIS
0.01 390 k D only R231
IC14 TC7S66FU 68 k I CIRQ
T5 22 k [OTHER]
BUSY
CTDA2
R230 CCS
R533 100 k 1
R5 R532 180 k I OPT1
OPT2
5 470 k R525 56 k [OTHER]
1 k CTDA1 OPT3
IC12A 4 R229
R211 Tx: 0.03 V 3
NJM2904V 120 k 560 k I
Rx: 1.99 V 180 k [OTHER]
R190 CTDA0
22 k R192 2 C250
22k C201 R198 R199 Tx: 3.46 V
3 8 0.01
R191 0.1 18 k 47 k Q35 Rx: 1.52 V
1 6
22 k 2SC4116 GR
2 7
4 5 R203 R202 R227 CTCSS 3 Vp-p R243 R242 R241
R197 C200 R224 47 k 47 k 1 M 1 M 1 M
C222 47 k
220 k 0.033 27 k [OTHER]
0.1 12 k D DTCS
IC12B
C228 C227 C219
NJM2904V 820 P 0.1 [OTHER] 0.0082
R200 0.047 D
2.8 Vp-p 3.2 Vp-p
47 k
C198
C202 R207 R194
0.01 2.2 C216 Q38 100 k
4 3 0.1 47 k R193
100 k
DTC144EE
R517 L442
C249 C221 C225 R212 2 0.1 H
0.01 0.039 68 k 68 k I
0.0068 Q405 180 k [OTHER]
XP1213
5 1 DUSE
78 mVp-p 1.2 Vp-p
( a)88.5 Hz CTCSS, –0.35 kHz) ( a)88.5 Hz CTCSS, –0.35 kHz), 3.7 V P-P(DTCS)
AFOUT AFOUT
DISCIN DISCIN
VCC VCC
T5 T5
S5 S5
CPU5 CPU5
R5 R5 R5
S5 S5 S5 W10
CPU5 CPU5 ERJ3GE-JPW
IC13
TA75S01F
R51
470 k 1
FRQCON 5
+ 4
R50 3
390 k —
2
C71
0.001
VCC
R49
IC5 39 k
AF min 7.23 V AFON DBAL +
TA7368F 3.31 V C153
Q15 AF max 7.03 V 100
C72 R48
1 NC POUT 10
2SB1132 R 2 9 4.7 100K
VCC PWGND
Tx: 2.20 V 3 8 4.99 V
NC PREGND
Rx: 2.21 V 4 PHASE 7
AFON 5 VIN NF 6
R126 RIPPLE R526
3.96 V
10 k 1 k
6 5 4 PLST
SCK R527 1k
R127
R122 R128 SO R528 1k
R120 33 10
R99 2.7 k
18 k R178 68 k UNLK R529 1k
3.3 k
1 2 3 C149
0.1
L14
15 nH
D26
DAN202K
C150 C151 C152 C291
10 47 P 0.047 0.1 R41
R100 C129 R145 C139 R121 C140 R123 C145 C146 47
2.2 k 15 1 M 0.1 1 k 0.1 3.3 k 10 0.22
C60 C55 C572
Q16 C62 C61 0.001 0.01 47 P
6 P 6 P
XP6501 AB VOLOUT
AFOUT
LVIN
DS2
C662
LNJ310M6URA
0.1
CTCIN
REMO
DS3
Light ON R223
TEMPS 1.46 V 120 k LNJ310M6URA
6P
CPU5
DEV
R204
3.3 k S5
Q25
R5
2SC4116 GR
Tx: 0.00 V R89
Rx: 3.50 V C501
1.2 k 10
R205 R274 R155 R90
1.5 k 10 k 100 680 k
D only
FI2
C51
L13 C65 C67 SFPC450E [OTHER]
10 P 1.0 H SFPC450G I
VIN 1 P97/SEG40 75 SEG12 4 P 3 P
PB0/AN0 CFWC450F D
2 P96/SEG39 74 SEG11
AVSS C56
3 P95/SEG38 73 SEG10 0.01
4 TEST
X2 P94/SEG37 72 SEG9 L25
5 P93/SEG36 71 SEG8 0.82 H
X1
6 P92/SEG35 70 SEG6 Q10
7 VSS
XIN OSC1 P91/SEG34 69 SEG5 2SC4116 GR C53 C66
XOUT 8 P90/SEG33 68 SEG4 15 P 7 P
OSC2
RESET 9 P87/SEG32 67 SEG3
RES SQLIN
10 NMI P86/SEG31 66 SEG2
CSIFT 11 IC8 P85/SEG30 65 SEG1 C121
P20/IRQ4/ADTRG R88
SCK 12 HD6433876B50H P84/SEG29 64 SEG7 39 k D 220 P [OTHER]
P21/SCK1 330 P H, P R86
SI 13 P83/SEG28 63 UNLK 33 k [OTHER]
SO 14 P22/SI1 P82/SEG27 62 CTDA2 27 k H
P23/SO1 47 k [OTHER]
DAST 15 P81/SEG26 61 CTDA1 39 k H
P24/SCK3
CLIN 16 P80/SEG25 60 CTDA0
17 P25/RXD R87
CLOUT P26/TXD P77/SEG24 59 ESDA 1 k H C122
PLST 18 P76/SEG23 58 ESCK
P27/IRQ0 2.2 k [OTHER] 220 P [OTHER]
NOIS 19 P75/SEG22 57 330 P H, P
P17/IRQ3/TMIF
CIRQ 20 P16/IRQ2 P74/SEG21 56 AFON
BUSY 21 P73/SEG20 55 TXC DISCIN
P15/IRQ1
CCS 22 P72/SEG19 54 T5C
P14
OPT1 23 P13/TMIG P71/SEG18 53 R5C
OPT2 24 P70/SEG17 52 R136
P12/TMOFH
OPT3 25 P67/SEG16 51 R237 100
P11/TMOFL
1 k AFOUT
S5C
DUSE
MMUT
RMUT C567
47 P
R236
R235 1 k
680 k
CONT MMUT
RMUT
NWC
OPV2
OPV3
OPV1
R195 R196 R273
100 k 100 k 100 k
D only
R272
C199 100 k R246 R245 C564
0.1 D only 100 k 100 k 47 P
VCC
T5
S5
CPU5
R473 X4 CR-662 150 mVp-p Q11 EP14
BLM11B221SB
47 4 VCON 1 XP6501 AB
VCC C573
C678
3 GND 2 6 1 R410 R411 0.001 B 47 P
OUT
3.3 k 2.7 k 470 P [OTHER]
5 2
C495
0.1 4 3
+ C416
Tx: 2.29 V Q8
C673 Rx: 2.25 V 0.001
R185 2SC5085 Y
47 P
1.49 V 1 k R30 C491 W16
2.2 k C412 ERJ3GE-JPW
C496 R512 C560 C50 1
2.7 k 6 P except C
0.0047 47 P 10
4.15 V
C63 C411 R413
10 P 18 C only
4 P J
C410 3 P C C413
C234 7 P
0.001 8 P C 6 P E
10 P [OTHER] C414
C417
12 P E 9 P B 0.75 P A
L11 L404
MC152-E558ANA 8 P [OTHER] 0.5 P [OTHER]
1 GND1 20 Q34 L12 1.8 H
VCC1 4.7 -100051=P3 B EP15 except E, J
2 IN2 19 2SK880 Y CP1 MC152-E558ANA BLM11B221SB R414
3 IN1 330 [OTHER]
ENB VCC2 18 (LV check ponit) -100050 [OTHER] E, J only 390 J, C
4 XB 17 D5
CLK 470 A VCC
5 XI 16 HVU350B
DATA
6 T1 XO 15 Tx: 0.90 V R416 R417 R21
7 GND2 14 Tx: 2.10 V T5
LOK Rx: 0.99 V 3.3 k Q7 3.3 k C424 C426 220
8 CP2 13 Rx: 2.09 V 47 P 0.001
CP1 2SC5085 Y
9 FI1 FI2 12 Tx: 1.80 V
10 FO2 11 C418
FO1 R184 Rx: 0.03 V
10 k 12 P B
9 P E
IC1 C421
8 P J C422
UPD3140GS R186 C233 7P C 20 P [OTHER] 7 P R23
47 k 0.001 12 P C
C419 100
0.3 P
C54 L407 L406 C427
1.8 H 3.68 V
0.001 Tx: 1.33 V C571 4.7 H 0.5 P 3.19 V
Rx: 1.31 V 47 P C423
6P
D403 L405 Q401 L9
C33 R22 C32 R20 22 nH C
HVU350B MC152-E558ANA-100050 XP1214 Q402
470 P 68 k 470 P 68 k 27 nH [OTHER]
R420 DTC144EU
C475 5 1
C443 R32 0.5 P C 470
0.047 6.8 k 1.5 P E 2 C29
4 P B R504 470 P
330
R34 D404 4 3 B, E only
1SV245 C28
1 k 8 P [OTHER]
R33
12 P E
3.9 k R422 C42 C31
2 P [OTHER]
220 k 0.001
C47 3 P E
0.1 Tx: 0.04 V R421
10 k
Rx: 1.62 V C30
C48 C218 R511 8 P [OTHER]
1 39 k C473 Q6 Q5
0.001 47 P 12 P E
2SC5107 O 2SC5107 O
5V
R208 C229 R209 C211 R501 R500
100 k 18 k I
0.001 100 k 4.7 100 k
47 k [OTHER]
C561 47 P S5
R5
R84 R244 EP13 R448
47 Tx: 0.00 V 47
100 k X3 BLM11B221SB
Rx: 4.81 V CDBC450CX24 R81
R77
1 k
R85 100 C555
1.5 k Tx: 0.00 V R464 3 P A R447 R449
R82 560 I C106
Rx: 2.98 V 5 P [OTHER] 470 470
C117 3.9 k [OTHER} 1 k [OTHER] 15 P 6 P C
IC2 1.8 k H
0.001
TA31136FN(D)
L20 Tx: 0.05 V
1 OSCIN MIXIN 16 FI1 Rx: 4.64 V
O I 2 15 FL-313 L C107 0.82 H
OSCOUT GND R518
3 14 C111 FL-321 G 0.01
MIXOUT N-REC 1 k C116 R269 R253 FL-335 M
4 VCC N-DET 13 82 P [OTHER] 470 0.001 C98 L19
5 12 100 P H, P 2.7 k FL-336 [OTHER] R72 R70 D12
IFIN RSSI D only R80 47 k 4.7 k 22 P 8.2 nH HVU350B
6 11
DEC IFOUT 120 k Tx: 0.05 V
7 10 C668 Rx: 0.62 V
8 FILOUT QUAD 9 3 P HP C109 R262
FILIN AFOUT 1 I
0.001 Q13
R83 68 [OTHER]
C115 C450 3SK239A
330 100 P
C664 R79 4 P C97
5 P [OTHER]
0.001 Q14 180 [OTHER] L21 6 P E
390 H 22 nH C
2SC4215 O C110 8 P B
C307 R469 27 nH J
C120 C118 C119 C114 C113 C112 0.001 D 2.7 k I 20 P [OTHER] C104 C105 33 nH E
0.1 0.001 1 0.001 0.001 0.001 12 P H, P 47 P
0.001 39 nH B
C308 R271
0.01 D 47 k D only
Q41
R270 R75
2SC4116 GR 180
D only 47 k C557
F(DET) D only
47 P
1
COM4
2 COM3
3
COM2
4
COM1
SEG1 5
SEG2 6 SEG1
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 NOTE
SEG12 16 SEG11
SEG12 DS1
SEG13 17 LM-7045B
SEG13
SEG14 18
SEG14 A: L-band of ETS/CEPT version B: L-band
SEG15 19 SEG15
SEG16 20
SEG16
SEG17 21
SEG17 LCD HOLDER F: M1-band of [GEN] and EIA/TIA version G: W-type of [GEN]
SEG18 22 SEG18
SEG19 23
SEG19
SEG20 24
SEG20 K: M1-band of ETS/CEPT version L: N-type of [GEN] and EIA/TIA version
SEG21 25
SEG22 26 SEG21 EP12
SEG22 BLM11B221SB
COM1 27
COM1 O: 100 channel version P: M (20 kHz)-type
COM2 28
29 COM2
COM3 COM3
COM4 30
COM4
VCC
T5
R15 C471
R13
R19 10 k 47 P
100 C670 R445 10 Tx: 4.53 V
220 R160
470 P Rx: 0.19 V
100
C472 Tx: 1.81 V
L26
47 P 3225 H Rx: 0.20 V
L7 C289
C659
L411 10 nH C C19 C21 47 P [OTHER]
27 nH B Tx: 3.64 V 12 nH J 0.001 4.7 470 P B
Rx: 0.19 V 0.001
22 nH [OTHER] 15 nH F
18 nH K C204
3.48 V C26 R14 R12 C288 L24
C24 4.7 k 22 nH B + 0.001 47 P
0.001 100 L4 LQW1608A R22G00 L2
L8 470 P C14 W5 L31
22 nH J, C R502 C22 6 nH B 10.5 nH J, C 10.5 nH J, C
27 nH E, B R446 1 k 9 P C 0.01 MJ-0.1 4.1 nH C 14 nH E C205 14 nH E
except A C8
56 k 10 P B 4.9 nH [OTHER] 19 nH B 0.001 0.001 21 nH B
12 P [OTHER]
C486
R18 W12
5 P [OTHER] D3 C25 ERJ3GE-JPW C15 C551 D1
47 k 7 P B 4 P [OTHER]
MA77 C552 39 P [OTHER] 0.001 R3 R2 1SV307
3 P E 0.001 56 P J, C
C11 15 k 15 k
C452
C27 6 P
5 P 10 P [OTHER] C492 Q3 Q2
8 P C C285
10 P 2SC3585 R44 2SK2973 C467
R17 24 P 7 P [OTHER] D33 D32 C666
R465 4.7 k Q403 R522 RB706-F40
Q1 8 P E RB706-F40 4 P [OTHER]
33 2SC5107 O 10 9 P B 5 P J
R7 2SK2974
Q4 R9 100 R457 W11
10 k 100
2SC5107 O ERJ3GE-JPW
R162 R161
1 k 1 k
C12 C251
0.001
0.001
C10 C9
R458 C13 C252
D4 Tx: 1.30 V C18 0.001 0.001
C17 1 k 0.001 0.001 Q37
MA77 Rx: 1.28 V 470 P
1LO 0.001
DTA144EU
S5 S5
R5
R69
C455 R68
470 P 10 k 1 k Tx: 1.66 V
R61
47 C405 Tx: 0.00 V Rx: 0.01 V W15
5 P [OTHER]
C99 6 P E Rx: 1.45 V ERJ2GE-JPW
L18 R401
0.001 8 P B 8.2 nH 100 k R210
2.2 k
C90
0.001 R258
Tx: 0.05 V C73 C574
C403 C404 33 k 0.1 0.001
Rx: 0.58 V
47 P 0.001
C91 C89
0.5 P R52 Tx: 1.77 V
C94 5 P [OTHER]
1 P B 6 P E C79 L22 150 k Rx: 4.35 V
C100 1.5 P [OTHER] 12 nH A L15
0.5 P [OTHER] D11 8 P C C406 R402
8 P 2 P B 14 nH [OTHER] 14 nH R53
HVU350B 5 P C 47 k
7 P J 4 10 k
C96 C92 Q12 2
5 P C 8 P E 1
5 P C 10 P B 3SK239A D10
6 P J 6 P J HVU350B 3
R530
8 P E 8 P E L17
10 P B 10 P B D2 100 11 R54
Tx: 0.05 V 8.2 nH
R404 MA77 D29 150 k
Rx: 1.16 V
R66 R64 220 k R62 MA8030 H
150 k 220 k 220 k R55 IC3A
C85 C179
L402 D401 C87 C88 R59 R252 C86 D8 C52 C76 1 k NJM3403AV R251 C75 C243
8.2 nH HVU350B 47 P 0.001 150 4.7 k 3.5 P C 5 P C C78 MA77 8 P J, C 6 P [OTHER] 0.01 330 k 0.1 0.001
6 P J
4 P J 3 P [OTHER] 10 P[OTHER] 7 P E
5 P E 7 P E 4 P E 8 P B
10 P B
R67 R65 7 P B 6 P B
10 k 10 k R405 C558
C95 C93 C559 10 k R63 47 P
C84
47 P 47 P 47 P C407 10 k
47 P
47 P
C: H-band D: W/N-type E: M1 (440-470 MHz)-band
H: W-type I: N-type J: M2 (470-500 MHz)-band
M: N-type of ETS/CEPT version N: M1-band except W/N-type
L1
10.5 nH J, C
14 nH E
21 nH B
ANT
R1
82 k
C3
7 P [OTHER]
8 P B
R524
NTCCM16084LH 223KC
R163 R523
10 k
3.9 k