Voltage Diagram; Section 13 - Icom IC-F4160 Service Manual

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 16
8 SO CS0
CL I FSCL 2 15
7 SCL CS1
AFONO FSDA 3 14
6 SDA CS2
LRES AFON 4 13
5 D0 VDD
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 16
SO CS0
FSCL 2 15
SCL CS1
FSDA 3 14
SDA CS2
KS0 4 13
D0 VDD
KS1 5 12
D1 D7
KS2 6 11
D2 D6
KS3 7 10
D3 D5
8 9
GND D4
M62320FP
+5V
S501
S502 S503
12
3
KEY KEY KEY
R522
100K
S505 S506 S507
4 5 6
KEY KEY KEY
R523
100K
S509 S510 S511
7 89
KEY KEY KEY
R524
100K
S513 S514 S515
* 0 #
KEY KEY KEY
R525
100K
I MSA-9631S-08A-TB
J502
9 10
22
R534
FSCL
FSDA
LRES
R533
22
+5V
R554
100K
I C501
Simple 1 5
GND NC
Multh 2
VIN
3 4
Select
VOUT NC
S-812C30AMC
S504
P0
KEY
KS3 KS3
2SB1132
Q501
VCC
S508
P1
KEY
KS2 KS2
D508
AFON
R555
AFONO
10K
S512
DAN202U
P2
KEY
Q512
UNR9213J
KS1 KS1 SPCON
R544
+5V
100
AF
S516
P3
KEY VCC
KS0
Q507
D505
UNR9213J
LIGH
KR
Q508
D TA114EU
DAP222
R547
390
D506
Q509
R546
DTB123EK
390
DAP222
R530
390
12 - 1
D503 R518
R517 D502
MA2S728 0
0 MA2S728
EPTT
PTTI
Q514
UNR9113J
+5V
UMG2N
PTTSW 1 5
2
UNR9113J
3 4
Q506
MA2S111
MCON
D504
R567
PTTI
Q516
UNR9213J
100K
C542
220P
R552
100K
6
M CIN 7
R515
C522
5
I C509
100K 0.1
NJM12904V
R516
C523
100K 0.1
R563
20
10K
19
R510
18
R508
82K 17
8 16
10K
V+ I C509 15
R509
GND NJM12904V R511 14
4 13
10K
12
100K
11
R564
R558
10K
4.7K
I C509
R543
3
R566 R540
15K
1
2
0 15K
NJM12904V
C540
390P
R541
100K
MC501
SKB-2746
EPTT
EMIC
CLO 47
R557
VCC 47
M DET 1k
CP507
R539
+5V CF20
10K
RES
1k
CL I 47
Q 513
UNR9213J
23/04/020/W02/W02
SP1
W501
I C508
1
VCC1 GND1
2
W502
NC NC
3
OUT1- OUT1+
4
IN1- M ODE 23/00/025/W02/W02
5
I N1+ SVRR
6
I N2+ SELECT
7
IN2- NC
8
OUT2- OUT2+
9
NC NC
10
VCC2 GND2
TDA8547TS
1k
R559 R560
R506
33 MSVB2
4.7K 4.7K C501
C502
33 MSVB2
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."