Icom IC F110S Service Manual page 35

MAIN UNIT (2)
a
6.1V
6.4V
C102
10p
b
Q11
2SC5107
Q10
5.0V 2SC5107
Q12
2SC5107
c
R8V
Lo level
1~3dBm
C49 R28
TX: 0V
8p 12
RX: 7.3V
MAIN
UNIT
Q3
(1)
3SK299
C40
FI1
1.5p
FL-335
d C41
22p
TX: 0V
RX: 0.8V
BUS LINE1
R8V
VCC
VCC
C364 C245
0.01 0.01
e
R243
2
82k - 1 SDEC
3
+
R240 R242 IC16
C315
0.022 100k 39k NJM12902V
C321
0.1
IC16
R247 R248 R249 IC16
NJM12902V
NJM12902V
22k 22k 22k
R252
5
+
7 10 470
6 + 8 CDEC
- 9
-
C324
R250
470p
100k
R251
470k
4
V+ IC16
GND NJM12902V
11
5V
CPU5V
8V
BUS LINE2
NOTE
A : 25W/50W
T8V
TX: 5.1V
RX: 0V IC3 A
RA30H1317/S-AV32
5 6
1 2 3 4
TX: 3.1V
C100 C92 L18
RX: 0V
10p 15p 47n
Q8
D14 C93
2SC3356
MA77 12p
TX: 2.3V
RX: 2.1V
TX: 0V
RX: 2.9V
FI4 FI3
NFM60R- NFM60R-
20T152 20T152
D43
MA2S111
R316
TX: 0V
22k
RX: 6.4V
C362 TX: 0V
Q1
0.1 RX: 7.1V
2SK1829
R317
470k
C343
0.01
C30 C22
Q2
10p 1.5p
3SK293
TX: 0V
TX: 0V
RX: 4.1V
RX: 5.7V
R22 R14
10k 10k
TX: 8.1V
Q25
RX: 0V
2SD1664
T8V
R304
22k
D23
DA221
Q29
DTC114TU
TMUT
7.9V IC9
Q26
TA7808F
2SA1577
R8V 8V
O I
G
TX: 0V
RX: 7.9V
Q30
R204 R205
DTC144EU
4.7k 10k
RXC
5.0V IC10
Q27
AN78L05M
2SA1577
5V CPU5V
O I
G
5.1V
6 5 4 Q24
DTC144EU
Q28
XP6501
R156
1 2 3
4.7k
POWER ON: 4.8V
OFF: 0V
T8V
D3
XB15A407[50W]
D2
L16 UM9401F C14 L3 L2
[25W]
AS080547-47N 0.001 AS080547-47N AS080547-47N
FI5
NFM60R-
20T152
[50W]
HV
T8V
R214 A
1.5k/1.2k
R10
TX: 5.5V
C375 R9
270k RX: 0.2V
0.3p 10k
D12
1SS375
C79
[50W] only
TX: 5.4V 0.22
RX: 0.2V
R56
150k
R58
2
100 3
4
1
5
IC2
TA75S01F
C25 C19 L6
6p 0.001 39n
Q20
2SC4116
[50W] only
T8V
VCC
R287
10k
R194
2.2k
C249
0.0022
R193
470k
13.2V
R195
1 5 1k
4
3
Q23
2
2SJ377
IC15
TA75S01F
VCC
R200
HV
10k
R238
100k
MEASUREMENT CONDITIONS
VOLTMETER
Amplitude(Oscilloscope) : 100 MHz
Frequency : 155 MHz
Transmission : 25 W
R3
47
L1
AS080547-47N
R5 A R6 A
10k/27k 33k/27k
TX: 3.0V
RX: 1.5V
TX: 0.6V
RX: 4.0V
D28 R55
MA2S728 4.7k
R57
10k
AF ON: 4.8V
OFF: 0V
AFON
AFONO
Q36
DTC144EU
Q35
D30
DTC363EK
DAN222
R197 C252
10k 0.1 AFO
AFO
C251 C253
C256
0.1 0.022
1 5 470
4
2
3
IC8
C246
LA4425A
0.1
Q33
DTC144EU
C295 Q31 R225 C288
D 10 2SJ144 10k 0.1
R230
68k F
R224 C289
47 0.1
R226 D26 R223
100k MA2S111 1k
4.3V
11 - 3
J1
W1
J4
J7 P1
+
-
CHASSIS
SP1
EP4
HV
EP5 W2
J6
VCC
GND
DIM
HORN
GND
AFO
GND
to
OPC-617
DISC
GND
IN
GND
PTT
GND