Icom IC-F5012 Service Manual page 33

SECTION 11. VOLTAGE DIAGRAM
• FRONT UNIT
R130
DS10
390
CL-165HR/YG
YG
R131
HR
1.8K
R132
1.8K
DS9
LNJ426W83RA
R133
1.8K
DS8
LNJ426W83RA
R134
1.8K
DS7
LNJ426W83RA
R135
1.5K
DS6
LNJ426W83RA
R136
1.5K
DS5
LNJ426W83RA
R137
1.5K
DS4
LNJ426W83RA
R138
1.5K
DS3
LNJ426W83RA
DS2 DS1
LNJ426W83RA
LNJ426W83RA
R139
1K
Dim ON 3.87V R12
470
Dim OFF 7.37V Q1
2SC4116
[VOL]
KEY
S2 S3 S4
KEY KEY KEY
D2
EZJP0V080DA
8.12V R18
J1
8V 100K
1
CLO R15
2
AFO 1K
3
PTT R76
4
M ICE 1K
5
MIC L1
6
GND MLF1608K
7
R16
CL I
8
1K
PTT ON 0V
PTT OFF 4.96V
Q14
LDTC114EE
RLED
Q13
LDTC114EE
TLED
Q12
LDTC114EE
LED1
Q11
LDTC114EE
LED2
Q10
LDTC114EE
LED3
Q9
LDTC114EE
CH1L
Q8
LDTC114EE
CH2L
Q7
LDTC114EE
CH3L
Q6
LDTC114EE
CH4L
Q5
LDTC114EE
LIGT2
Q2
LDTC114EE
LIGT1
CENC0 R20 R23
220K 47K
CENC1 R21
AFVI 56K
R22
CENC2 R24
22K 47K
CP3
R65
1K
POSW
S1
KR0
KR1
KR2
KR3
R35 R36
S5 SENC
68K 68K
R33
KEY
22K
R128 R32
15K
10K
CLO
IPTT
8V
(HANG) CL I
R19 R44
100K 150K
C27
270P
C26
R41
IC5
0.1
27K
9
10
11 - 1
IC3
S-24C64CI-T8T1U3
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
J3
CPU5V
2 1
4 3
6 5
8 7
10 9
12 11
14 13
CPU5V
13
14 R28
R26 R27 12
4.7K
47K
47K Q3
IC5
LDTC114EE
DTCS ON 4.94V
DTCS OFF 0V
R90
C21 390K
C125
C23
0.001
0.1
0.01
IC5 IC5
R37 R38
R39
68K
68K 3 68K 5
1 7
2 6
AFO
R48
0
4
V+
ICIC5
GND
NJM12902V
11
C31
8 R46
1K 0.1
12.29MHz
2.54Vp-p
X1
C104
CR-915
R101 22P
CPU5V
12K
R106
1M
C102
0.1
CSFT
C103
0.1
MD2
HANG
R118 R119
DAST (OPV3)
DI M (IGSW/DIM) 1K 1K
PTTI
PTTO
NOIS R117
1K
D5
L1SS400
P30/TXD0
SI 76
P31/RXD0
77
P32/SCK0/SDA1
CLO 78
P33/TXD1/SCL1
R116 79
CLI
P34/RXD1/SDA0
80
CIRQ 1K
P35/SCK1/SCL0
ESDA 81
P36
PGIO3 (MCH1) 82
P77/TXD3
PGIO2 (MCH0) 83
P76/RXD3
84
ESCL
P75/TMO3/SCK3
85
PWON
P74/TMO2/MRES
CH4L 86
P73/TMO1/CS7
CH3L 87
P72/TMO0/CS6
CH2L 88
P71/TMRI23
CH1L 89
P70/TMRI01
90
PG0/IRQ6
91
PG1/CS3/IRQ7
92
PG2/CS2
93
PG3/CS1
LIGT2 94
PG4/CS0
95
TLED
PE0/D0
R111
RLED 96
PE1/D1
SCK 1K 97
PE2/D2
SO 98
PE3/D3
99
R112 PE4/D4
100
1K
KR0
KR1
KR2
KR3
TENC
DUSE
BEEP
J2
GND
12
TONE
34
TONE C38 TENC
56
47P NOIS
78
EXOE
91 0
EXST
11 12
UNLK
13 14
PLST
15 16
CDEC
17 18
SDEC
19 20
OPV1
21 22
RSSI
23 24
LVIN
25 26
TEMP
27 28
BATV
29 30
DSDA
31 32
PGIO2
33 34
5V
35 36
CPU5V L2 CPU5
37 38
NLV25T AFO
39 40
*: Refer to the PARTS LIST for the value and name of component.
4.97V
RES
IC2 R107
NJU7704F3-42A
10K
1 5
CD VDD
2
VSS
3 4
MR VOUT
R140
10K
AFVI
TEMP
R SSI
P42/AN2
50 LVIN
P43/AN3
49 BATV
P44/AN4
48 R114
P45/AN5
47
100K CDEC
P46/AN6
46
SDEC
P47/AN7
45 R127 BEEP
P96/DA0
44 1M SENC
P97/DA1
43
AVSS
42
SDEC2 CP2
P17/TIOCB2/TCLK
41
OPV1
P16/TIOCA2/IRQ1
40 DSDA
P15/TIOCB1/TCLK
39 R120 POS W
P14/TIOCA1/IRQ1
38 1K LED3
P13/TIOCD0/TCLK
37 LED2
P12/TIOCC0/TCLK
36
LED1
P11/TIOCB0/A21
35 R108 UNLK
P10/TIOCA0/A20
34 1K OPT3
PA3/A19/SCK2
33 OPT1
PA2/A18/RXD2
32 OPT2
PA1/A17/TXD2
31
R109 PLST
PA0/A16
30 1K (EPTT) PGIO1
PB7/A15/TIOCB5
29
PB6/A14/TIOCA5
R121
28 EXOE
PB5/A13/TIOCB4
27 1K (OPV2) EXST
PB4/A12/TIOCA4
26
R122
1K
DI M
DAST
OPT3
OPT2
OPT1
PTTO
PTTI
PGIO3
SCK
SI
SO
CIRQ
CCS
MIC
EPTT
C69
PGIO4
47P
PWON
BEEP
8V
GND
C74
47P
8V