Icom IC-F4160 Service Manual page 26

Jun. 2009
SECTION 12 VOLTAGE DIAGRAM
• FRONT UNIT (For F4060 series)
J501
I MSA-9631S-20A-TB
20
MDET
19
VCC
18
17
+5V
16
15
CLO
14
RES +5V
13
FSCL
12
FSDA
11
PTTSW
10
PTTI I C505
9
KR 1
8
CLI FSCL 2
7
AFONO FSDA 3
6
LRES AFON 4
5
CP508 EPTT LIGH 5
4
CF20 AF SPCON 6
3
MCIN MCON 7
2
8
1
M62320FP
I C506
1
FSCL 2
FSDA 3
KS0 4
KS1 5
KS2 6
KS3 7
8
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
I MSA-9631S-08A-TB
J502
9 10
R533
16
SO CS0
22
15
SCL CS1
14
SDA CS2
13
D0 VDD
12
D1 D7
11
D2 D6
10
D3 D5
9
GND D4
R554
100K
I C501
Simple 1 5
GND NC
Multh 2
VIN
Select 3 4
VOUT NC
16 S-812C30AMC
SO CS0
15
SCL CS1
14
SDA CS2
13
D0 VDD
12
D1 D7
11
D2 D6
10
D3 D5
9
GND D4
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
UNR9213G0
KS1 KS1 SPCON
+5V
AF
S515 S516
# P3
KEY KEY VCC
KS0
Q507
D505
UNR9213G0
LIGH
KR
Q508
D TA114EU
DAP222
D506
Q509
DTB123EK
DAP222
23
D503 R518
R517 D502
MA2S728 0
0 MA2S728
EPTT
PTTI
Q514
UNR9113J
+5V
22
R534
FSCL
FSDA
UMG2N
LRES
1 5
PTTSW
2
3 4
+5V
MA2S111G0
MCON
D504
R567
PTTI
Q516
UNR9213G0
100K
C542
220P
R552
100K
6
M CIN 7
R515
C522
5
I C509 0.1
100K
NJM12904R
R516
C523
0.1
100K
2SB1132
Q501
I C509
NJM12904R
R508
8
10K
V+
R509
GND
4
10K
R558
4.7K
R544 I C509
R543
100
3
R566 15K R540
1
2
0 15K
NJM12904R
C540
390P
R541
100K
R547
390
R546
390
R530
390
UNR9113J
Q506
MC501
SKB-2746
PRG21BC4R7MM1RA
EPTT
EMIC
CLO
VCC
M DET
R539
+5V
10K
RES
CL I
Q 513
UNR9213G0
23/04/020/W02/W02
SP1
W501
R563
I C508
20 1
10K VCC1 GND1
19 2
R510 NC NC W502
18 3
OUT1- OUT1+
82K 17 4
IN1- M ODE 23/00/025/W02/W02
16 5
I N1+ SVRR
15 6
I N2+ SELECT
R511 14 7
IN2- NC
13 8
OUT2- OUT2+
12 9
100K NC NC
11 10
R564
VCC2 GND2
TDA8547TS
10K
1k
R559 R560
R506
33 MSVB2
4.7K 4.7K C501
C502
33 MSVB2
J503
R557
1
2
R535
47
3
4
1k R538
5
6
CP507
7
CF20
8
R537
1k
9
47 R536
10
I MSA-9631S-10A-TB
OG-503040
MP505
*; Refer to "PARTS LIST."