Ic-F4/S - Icom IC-F3 Service Manual

11-2 IC-F4/S

5V
J5
C223
1 30
GND
0.01
PTTIN PTTIN
5V
PTTOUT
PTTOUT
VCC VCC
MICOUT MICOUT
MICMUTE
MICIN MICIN
AFONOP AFONOP
NC
BEEPOUT BEEPOUT
NC
C224 C428 C429
0.01 47p 47p
RXMUTE
W12
NC
OPTIONAL DET
UNIT
SIGOUT SIGOUT
AFOUT R471 100 AFOUT
OPT1 OPPD
NC
U/D
OPT2
OPCS
CCS
W7
OPT3
CIRQ OPINT
GND
SO SO
NC
SI
SI
NC
SCK
NC
Q29
15 16
XP1213
L416
0.22 H
1 5
MM
2
C498
56p 3 4 RM
MC1
KUC3523-040245
MIC
C163
0.001
R144
33k
S1
MIC
EVQ-PJ705K
PTT
VR BOARD
9.6V
J7
HV
1
R1
RV-312 VOL IN
VOL IN
2
VOL OUT VOL OUT
3
VOL GND
4
VCC
5
AF
R142
100
9.6V
(SW ON)
J2
R132
HSJ1122-010010
470
OPT
L412
EXT. MIC
1 H
C166
MIC
0.001
C165
L414
470p
0.22 H
SPEAKER
P1 J6
AFOUT
SP
1 1
SPG
2 2
SP1
C164
47p
J3
HSJ1456-01-220A
D27
AF OUT
DA204U R174
15k
SP
EXT. SP CLONE
C167 C168 C169
0.001
47p 0.001
Q31
DTC144TU
BATT
C171 C172 +
BATTERY C173
0.001 470p
47
GND
Q27
J4
2SB1132R
HEC2711-01-020 R156
15
D25
CHARGER
SB07-03C
R157
15
C170
C202
0.001
C200 0.001
0.001
R158
C201
10k
0.001
D24
DA204U
COMPLETE VIEW
5V
T5 R5 S5
5.0V
Q18
2SB1132R
C174
22
+
C250
47p
Q21
Q22 Q20
R135
2SA1362
2SA1362 2SA1362 10k
TX: 5.0V TX: 0V
RX: 0.4V RX: 5.0V 5.0V
Q19
+ +
+
C177 C175 XP6501AB
C176
22 22
R444 R443 R442
22
6 5 4
10k 10k 10k
3 2 1
R141 R139 R137 5.0V
4.7k
4.7k 4.7k
R133
1k
C160
C162 C161
R134
0.01 C158
0.01 0.01 +
2.2k
100
C159
4.7
S5C
T5C R5C
CLOUT
CLIN
R430
1k 4
KR3
KR2
KR1
KR0
C433
47p
C434 C435
0.001 0.001
C180
47p R429
1k 4
RM
MM
P0 P1 P2
P3
KS5
KS4
C181
47p
2 3 A D16
1
MA6S121
R428
1k 4
C182
KS3
47p
KS2
4 5 6 B
KS1
KS0
C183
47p
7 8 9 C
D33
C184
MA111
47p
IC-F4 only
* 0 # D D17
IC-F4S=open
MA6S121
C185
47p
C186 C187 C189 C190
0.001 0.001 0.001 0.001
IR1
C192
0.001
SPG
TONE SCK
MODCON
VCC
CPU5
NTCCF20124AH
IC11
R434 IC10
10k M62354GP S-80742SL-A6
1 5 4
C242 DO 16
VCC
0.01
2
LD VDD 15
3
14
CLK AO6
R154
4 13
DI
AO5
6.8k
5 12
AO1 AO4 1 2 3
6 11
AO2 AO3
7 10
+
R153 NC NC
C241 9
1k 8
GND VSS
10
C244 R149
0.01
10k
IC6
S-81250PG-PD
C230
0.47
+
O I
G
+
C157 C156
0.001 0.001
C155
10
R146 D15
C240 C239 C238 C237
100k
0.01 0.01 0.01 0.01 MA111
T1 T2 T3 T4
DET
MTONE DTMF SI
5V
C248
R220 R218 R219
0.01
270k 68k e 82k e
82k u 100k u
Q36
2SC4081
R221 C247
R168
330k
0.001 ECS 1
10k VCC
CS
2
SO HOLD
3
WP SCK
DTMF, 5 TONE SIGNAL ON 4
R466
VSS SI
22k
3.0Vp-p 2.0V
C488
IC7
0.0022
X25080SI-2.7 [16 ch]
25LC160T-I/SN [2-BANK]
CTCIN
CPU5
CTCSS SIGNAL ON
R5
3.0V
3.0Vp-p
R436 R199 R197
C431
1.8k 1k 180k
4.7
+
DTCS SIGNAL ON
C249
0.01
C221
Q33 XP4601
0.1
4
3
3.5Vp-p 3.0V
5 2
R190 R191
22k 6 1
22k
C463 R203 R202
47k 47k
0.01
C489
[L],[ML],[MH]
0.015
only
R461
C228
R437 R200 R192
47k
820p
47k 220 56k
C222
0.0056
R224 C226
33k [W]-[H 2 ] R207
C227 0.0082
C225 27k [W]-other
Q405 47k 0.1
0.01
82k [N]-[H 1 ],
DTC144EU
[N]-[H 2 ]
68k [N]-other Q35 2SC4081
C500
Q38
0.22
DTC144EU
MAIN UNIT
VCC
L409
4.95V
4.7 H
CPU5
TEMPS
R182
R215
330k
VIN
R181 C232 C447
R216 C231 CL IN
100k 0.1 33
+ 150k
0.1
C143
100p
C141
C142
0.1 0.1
C197
R103
470p 6.8 MHz
18k
X2
C195
Q23 4.93V R102
39p CR-463
10
2SC4081
Q26
DTC144EU
R148
100k
R101
1M
R214
C193
1k 8p
R147
C196
C194
220k
470p 12p
CTCIN 1
PBO/AN0
CSIFT
AVss 2
AVSS
C144
TEST 3
0.001 RESET
TEST
4
X2
Xcin 5
SO
CTCIN X1
VSS
6
VSS
Xin
7
OSC1
Xout
8
OSC2
R226 RESET 9
RES
1k 4
NMI 10
NMI
SCK
CSIFT 11
P20/IRQ4/ADTRG
SI
SCK 12
P21/SCK1
SO SI 13
P22/SI1
UNLK SO 14
P23/SO1
UNLK 15
P24/SCK3
C255
22p CL IN 16
P25/RXD
8
C254 C252 C251 CL OUT 17
P26/TXD
7 47p 47p 47p
PLST 18
P27/IRQ0
6
NOIS 19
5 P17/IRQ3/TMIF
R425 CPINT 20
P16/IRQ2
1k 4
C245 ECS 21
0.01 P15/IRQ1
CL IN
OPPD 22
P14
CL OUT
OPCS 23
P13/TMIG
NOIS
24
IR1
P12/TMOFH
PLST
TROCH 25
P11/TMOFL
C253
47p
R234
R426
22k
1k 4
OPINT
ECS
OPPD
OPCS
CTDA0
R228
R230 100k
56k
CTDA1
R229
R235
22k
CTDA2 680k
R427
1k 2
R231
180k
W8
U/D
R194 R195
M
100k
100k
R193
CTCSS C430 R227
47p 100k
1
DUSF
IR1
C256
0.001
75 SEG40
P97/SEG40
74 SEG39
P96/SEG39
73 SEG38
P95/SEG38
72 SEG37
P94/SEG37
71
P93/SEG36
70
SEG35
P92/SEG35
69 SEG34
P91/SEG34
68 SEG33
P90/SEG33
67
P87/SEG32
66 SEG31
P86/SEG31
IC8
65 SEG30
P85/SEG30
HD6433875A40H [16 ch]
64 SEG29
P84/SEG29
HD6433875B26H [2-BANK]
DUSF
63
P83/SEG28
CTDA2
62
P82/SEG27
CTDA1
61
P81/SEG26
CTDA0
60
P80/SEG25
59
P77/SEG24
58
P76/SEG23
57
P75/SEG22
56
P74/SEG21
55
P73/SEG20
DST
54
P72/SEG19
AFON
53
P71/SEG18
52 LIGHT
P70/SEG17
51
P67 /SEG16
T5C
R433 1k 4
R237
100k
R432 R236
100k 1k
R196
100k
C257
R431
47p
1k 2
C199
0.01
C438
0.1
C439
0.1
TXC
C
0