Icom IC-F4160 Service Manual page 153

May. 2008
FRONT-A UNIT (For F4160 series)
J501
I MSA-9631S-20A-TB
20
MDET
19
VCC
18
17
+5V
16
15
CLO
14
RES +5V
13
FSCL
12
MA111 FSDA
11
I EPTT D509
10
I C505
PTTI
9
KR 1 16
8 SO CS0
CL I FSCL 2 15
SCL CS1
7
AFONO FSDA 3 14
6 SDA CS2
LRES AFON 4 13
5 D0 VDD
EPTT CP508 EPTT LIGH 5 12
4 D1 D7
CF20 AF SPCON 6 11
3 D2 D6
MCIN MCON 7 10
2 D3 D5
8 9
1 GND D4
M62320FP
I C506
1
SO CS0
FSCL 2
SCL CS1
FSDA 3
SDA CS2
KS0 4
D0 VDD
KS1 5
D1
KS2 6
D2
KS3 7
D3
8
GND
M62320FP
+5V
S501 S502
12
KEY KEY
R522
100K
S505 S506
4 5
KEY KEY
R523
100K
S509 S510
7 89
KEY KEY
R524
100K
S513 S514
* 0
KEY KEY
R525
100K
J502
I MSA-9631S-08A-TB
91 0
22
R534
R533
22
R554
100K
I C501
Simple 1 5
GND NC
Multh 2
VIN
Select 3 4
VOUT NC
16 S-812C30AMC
15
14
13
12
D7
11
D6
10
D5
9
D4 CP510
S
S503 S504
3 P0
KEY KEY
KS3 KS3
VCC
S507 S508
6 P1
KEY KEY
KS2 KS2
D508
AFON
R555
AFONO
10K
S511 S512
DAN202U
P2
KEY KEY
Q512
UNR9213J
KS1 KS1 SPCON
+5V
AF
S515 S516
# P3
KEY KEY VCC
KS0
Q507
D505
UNR9213J
LIGH
KR
Q508
D TA114EU
DAP222
D506
R547
Q509
R546
DTB123EK
DAP222
390
R530
390
+5V
FSCL
FSDA
LRES
UNR9113J
+5V Q506
MA2S111
MCON
D504
R567
PTTI
Q516
UNR9213J
100K
C542
220P
R552
100K
Q517 6
UNR9213J M CIN 7
R515
C522
PTTI 5
I C509 0.1
100K
NJM12904R
R516
C523
0.1
100K
2SB1132
Q501
R563
10K
R510
R508
56K
8
10K
V+
R509
GND R511
I C509
4
10K
NJM12904R
100K
R564
R558
10K
4.7K
R544 I C509
R543
100
3
R566 15K R540
1
2
0 15K
NJM12904R
C540 390P
R541
100K
390
MC501
SKB-2746
R557
PRG21BC4R7MM1RA
EPTT
EMIC
CLO 47
VCC
M DET 1k
CP507
R539
+5V CF20
10K
RES
1k
47
CL I
Q 513
UNR9213J
23/04/020/W02/W02
SP1
W501
I C508
20 1
VCC1 GND1
19 2
NC NC W502
18 3
OUT1- OUT1+
17 4
IN1- M ODE 23/00/025/W02/W02
16 5
I N1+ SVRR
15 6
I N2+ SELECT
14 7
IN2- NC
13 8
OUT2- OUT2+
12 9
NC NC
11 10
VCC2 GND2
TDA8547TS
1k
R559 R560
R506
33 MSVB2
4.7K 4.7K C501
C502
33 MSVB2
17
J503
1
2
R535
3
4
R538
5
6
7
8
R537
9
R536
10
I MSA-9631S-10A-TB
OG-503040
MP505
*; Refer to "PARTS LIST."