Voltage Diagrams - Icom IC-F3061S Service Manual

SECTION 12

VOLTAGE DIAGRAMS

FRONT UNIT
VCC
+5V
IC501
S-812C30AMC
IC505
1 5 M62320FP
GND NC
2 1
VIN SO CS0
3 4 2
VOUT NC SCL CS1
3
SDA CS2
AFON 4
D0 VDD
LIGH 5
D1 D7
SPCON 6
D2 D6
MCON 7
D3 D5
8
GND D4
D503 R518 R517 D502
MA2S728 0 0 MA2S728
EPTT
Q514
UNR9113J TX: 0.6V
RX: 5.0V
PTTI Q505
UMG2N
TX: 5.0V
R519
1
RX: 0.0V
10k
2
back light
TX: 0.0V
ON: 0.0V
RX: 4.2V
OFF: 7.2V
3
PTTSW
Q507 Q509 back light
UNR9213J DTB123EK ON: 7.2V
OFF: 0.0V
LIGH
VCC
back light
ON: 5.0V
7.2V
OFF: 0.0V
Q508
DTA114EU
back light
ON: 7.0V
OFF: 0.0V
D504
MA2S111
MCON
R567 100k
C542 220p
R552 100k
R515 C522
100k 0.1
6
MCIN 7 -
5
+ Q515
2SK3019
IC509
R516 C523
NJM12904V
100k 0.1
EMIC
7.2V
Q501
2SB1132
VCC
6 5 4
D508
DAN202U
AFON Q502
AFONO XP6501
1 2 3
SPCON
Q512
R558
UNR9213J
4.7k
Q513
UNR9213J
R566
0
AF
J503
EPTT EPTT
EMIC EMIC
CLO R535 47 CLO
R557 47 VCC
MDET R538 1k MDET
+5V R539 10k
GND
RES R537 1k RES
CLI R536 47 CLI
CP507
R539
10k
+5V
5.0V
IC506
M62320FP
16 D505 16 1
CS0 SO
15 DAP222 15 2
R553 CS1 SCL
14 14 3
100k
CS2 SDA
13 13 4
VDD D0
12 12 5
CP506 D7 D1
11 D506 11 6
CP505 D6 D2
10 DAP222 10 7
CP504 D5 D3
9 9 8
CP503 D4 GND
TX: 0.0V
RX: 5.0V
1 S501 2 S502 3 S503 P0 S504
R522
100k
5
4 S505 5 S506 6 S507 P1 S508
R523
100k
4
7 S509 8 S510 9 S511 P2 S512
R524
100k
S513 0 S514 # S515 P3 S516
R525
100k
+5V
R513
Q506 10k
Q516
UNR9113J
UNR9213J
8
V+
IC509
NJM12904V
R542
GND
22k
4
IC508
TDA8547TS
R563 10k
20 1
VCC1 GND1
19 2
R510 82k NC NC
18 3
C515 0.1 R508 10k OUT1- OUT1+
17 4
IN1- MODE
16 5
IN1+ SVRR
15 6
C517 0.1 R509 10k IN2+ SELECT
14 7
IN2- NC
13 8
OUT2- OUT2+
12 9
R511 100k NC NC
11 10
VCC2 GND2
IC509
NJM12904V R564 10k
3
+
1
2
-
R559 4.7k
R540
15k
C540 390P
R541 100k
C560
0.0033 C501 33
MEASUREMENT CONDITIONS
C502 33
DIGITAL VOLTMETER
FREQUENCY: 155MHz
JACK UNIT
J801
EPTT
EMIC
CLO
VCC
MDET EP801
EP802
EAFO
GND
RES
CLI
EP803
MAIN UNIT
J501 J3
GND GND TEMP
MDET MDET
R280
VCC VCC
ERTJ0EP473J
VCC VCC
R2
+5V +5V
10k
+5V +5V BAL
CLO CLO REF
RES RES
R3
FSCL FSCL 220k
FSDA FSDA
PTTSW PTTSW
PTTI PTTI
KR KR
CLI CLI
AFONO AFONO
LRES LRES
EPTT EPTT
AF AF
MCIN MCIN
GND GND
PLST
J502 SSO
+5V SCK
UNLK
LRES
FSDA
FSCL to LCD
GND
GND
C538
1
R5V
C191
0.1
D32
DAN235E
C193
0.1
Narrow: H
Wide: L
Digital: H
MC501
SKB-2746
TONE
DMO
MICA
SIGO
AFOUT
+5V
R143
CHASSIS
39k
SP1
W501
+ MODD
-
W502 MTCK
MTDT
MDIO
MRDF
MSCK
MDIR
SDEC
R144
1k
CP3 R146 0
DISC
CP4 C239 47p
CDEC
R150
470
MCOT
R151
470
MCIN
MP801
AFO
VCC +5V
OPTV
MICE
MULTI-CONNECTOR
RESET
RXD
D41
TXD MA2S111
Explanatory notes
VOXV
MIC
PTT
IC9
VOLTAGE LINE
NJM12902V
TX LINE
RX LINE
COMMON LINE
OUT1
VCC
+5V
C1 22p Q33
2SK880
R1 470k
R203
1k
X1
15.3MHz
1 5 C4 0.1
+
4 1 4
3 VCON VCC
-
2
2 3
GND OUT
IC21
NJM2125F
15.3MHz
820mVp-p
CP7
C424
IC1 0.01
LMX2352TM
24 1
OUT1 CUTO
C8
23 2 +5V
VCCIF VCCRF
0.01
22 3 R7
R6
VPIF VPRF
0
1k 21 4
CPO1F CPORF
20 5
GND GND
19 6
18 7 C9 0.01
17 8
GND GND
16 9
LE OSCX
15 10
DATA OSCIN
14 11
CLOCK FO/LD
13 12 C201
IF_EN RF/EN
10p
Q18
2SC4116
TX: 0.59V
RX: 4.64V
FI2 R103
CFWC450G 47
IC3
TA31136FNG C183
O I
0.01
C192 1 16
OSCIN MIXIN
0.1
2 15
D33 OSCOUT GND
3 14
DAN235E
MIXOUT N-REC
R106 0 4 13
VCC N-DET
5 12
IFIN RSSI
6 11
DEC IFOUT
7 10
FI3 FILOUT QUAD
8 9
CFWKA450KHFA
FILIN AFOUT
R121
O I
100k
C194
0.1
Q26
UNR9113J
R124
4.7k TX: 0.19V C186 47p
RX: 1.17V
C203 0.001
R5V
R334 15k R181 270k
R180 330k
R179 68k C266 0.1
R178 68k C265 0.1
R158 33k C249 0.1
2.5V
IC5
AK2346P
R131
1 24
100k
AGNDIN TEST C248 180p
2 23
AGND RXIN
3 22
R159
TXIN RXINO
R152
4 21 100k
TXINO RXLPFO 1M
5 20
LIMLV RXAF
Q28
6 19
EXTLMIN RXAFIN XP4601
7 18
MOD EXPOUT 3
8 17
VSS VDD
9 16
TCLK XIN 2
10 15
TDATA XOUT
11 14
R128 1M
D1/O DIR 1
12 13
RDF/FC SCLK
R130
X3
1.2k
CR-765
Analog TX : 5V
R155 100k
IC13
R147 330k C241 0.0012
CD4053B
C244 220p
1 16
Y1 VDD
2 15
Y0 Y
R328
C245 0.0018 3 14
ERTJ0EP473J Z1 X
4 13
Z X1
5 12
R148 33k Z0 X0
6 11
INH A
7 10
VEE B
8 9
VSS C
R175 820
C429
1 R330 6.8k C242 0.1
IC15
AN6123MS R174
2.7k
1 5 IC14
VCC OUTPUT
CD4053B
4
GND
2 3 1
DET INPUT Y1 VDD
2
Y0 Y
3
Z1 X
4
Q45 Z X1
5
2SK3019
Z0 X0
6
INH A
7
VEE B
8
VSS C
R183 680k C258 470p
R169 24k
C268
13
-
14 0.018 9
12 8 -
+
10
+
IC9
NJM12902V
2.0V
MUTE ON: L
OFF: H
12 - 1
A
B
C
C169 C172
5p 5p
Q24
UNR9213J
R91
4.7k
R12
1.5k
D
TX: 0.52V
RX: 2.98V
C198
4p
R11
15k
E
S5V
F
C406 0.1 TX: 0.58V G
RX: 4.52V
R98 R99
680 100
Q25
2SC4215
TX: 0.58V
RX: 4.64V
Q38
2SC4116 H
R304
3.3k
I
J
+5V
4
V+
GND
11
IC9
NJM12902V
R135
10k
4
C223 V+
0.1
4
GND
11
5
R137
6 22k IC17
NJM12902V
Q34
C299
UNR9213J
0.1
RX: 0V
Digital TX: 5V
IC17
RX: 5V
NJM12902V
R206
4.7k 3
+
1
2
-
R208
47k
PMFM
EMPH
+5V
Narrow: L
K
Wide: L
Digital: H
16
15
14
13
12
11
R302
10
100k
9
C252
0.1
L
M
N