Icom IC-F6012 Service Manual page 39

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