Icom IC-FR4000 Service Manual page 77

[FR4100]
IC3
R44
NJM2107F
100k
2.8V
5 3
4
1
2
R60
100
R45 C44 C56
10k 0.01 0.1
Q4
2SK3475
C32 L19
L22
to TX
J2 0.001 6.8nH
8.2nH
UNIT TX RFIN
J5
C112 C60
10p 18p
R11
W11 (TX)
5.6k
Hi-Po: 2.5V
Lo-Po: 0.0V
C14
C70
0.001
10 [H]
L14
1µH
C16
R28
0.001
4.7k [H]
2 1
6.8k [L]
D5
1SS319
3 4
R1
10k
Hi-Po: 8.9V
Lo-Po: 0.0V
Q8
2SA1362 Y
R56
47k
R57
3.3k
Explanatory notes
Voltage line
TX line
25PA UNIT
Power supply: DC13.6V / Mesurement Frequency: 465.500 MHz / Internal resister of a volt meter: 50 kΩ/V
Power code: 5.5 sq / 50 cm
R39
10
C91
C92
0.001
22p
L18
R43
BLM31PG121SN1
22k
C88
R38
470p
D15
1.2k
MA29W
R41 L17
R40
3.9k BLM31PG121SN1
100
C89
C90 C108
R42
470p
0.001 1
10k
R29
L24 L23 C80 JPW [L] C30
15nH 6.8nH 0.001 10 [H] 0.001
C116 C115 C114 C113 R31 R32
2p 2p 2p 2p 560 560
[H] [H]
IC7
TA78L05F
L8
5.0V
LQW2BHN10NJ01L
I O
G
C96
Hi-Po: 8.0V C97
Lo-Po: 0.0V 10
0.01
C95
C104
10
0.01
C12
C68
0.001
10
D13
1SS355
R59
R22 R23 8.2k
22 22
R58
C82
1k
0.001
R61
220
R12
120k
8.9V
C24
5 3
0.001
4
1
2
C69 C71 C42
R47
10 10 0.01
47k
Q9
DTC114EUA
Q10
C111
DTC114EUA
0.1
Q7
C23
DTC114EUA
0.001
12 - 8
IC2
SC-1322 [L]
SC-1323 [H]
3.5V
1 2 3 4 5
C130
2p
L26
C134 C127 C129
BL01RN1A1D2B
5.0V
2p 0.001 470p
BEADS
BEADS
L16
C107
C105
BL01RN1A1D2B
470p
0.001
C103
C135 C101 C102
0.1
2p 0.001 0.01
TX: 5.0V
RX: 3.2V
L15 Q11
BLM31PG121SN1
L25
2SB1143 T
LA-563A
C122
0.001
C124 R62
0.001 10k
C136 C57 C11 C83 C109
2p 0.1 0.001 100p 1
R63
1.5k
R65
C98
R66 10k 2.2k
7p
Q12
C126 C125
R64
4.7 10 [H] 2SC2712 BL
68k
2.2 [L]
R19
10
IC1
TA75S01F
R13
R16 C38
10k
1k 0.001
R15 C28
39k 0.001
D7 C25 D6
MA8047 0.001 MA8047
C26
0.001
Hi-Po: 4.1V
Lo-Po: 0.0V
L13
L10
LA-563A 13.1V
LA-563A
C18
C59
0.001
0.1
C13
C67
0.001
C133 C132 C34 C47
1000
2p 10 0.001 0.01
C37 C52
C40
0.01 0.1
0.01
IC8
µPC2910T
11.8V 13.1V
2 1
O I
G C120
C123
0.1
0.1
C121 3
10p
R21
82
L20 L6
L7
LA-583 [L] LA-587 [H]
LA-587 [H]
LA-588 [H] LA-586 [L]
LA-586 [L]
C1
C2 C3 R73
6p [H]
12p 12p 56 [L]
10p [L] R20
JPW [H]
82
D2
HSU88TRF
C78
R26
2p
10k
D4
HSU88TRF
R5
R4
C15
C20 R8
10k
100k
Hi-Po: 3.8V 100p
100p 10k [H]
Lo-Po: 2.4V
R2 R25
100k 15k
C118 C21
R7
100p 100p
R6
10k
10k
Hi-Po: 1.4V
Lo-Po: 0.5V
C31 C27
0.001 0.001
C39
0.01
to REG UNIT
EP7
EP2
W10
VCC1
T2 (CHASSIS)
C74
TC-7
470p
C61
2200
to REG UNIT
EP8
EP1
C53
C19 C41 C55
0.1 W11
PS 0V
0.001 0.01 0.1
(CHASSIS)
GND
L21
LA-583 [L] W13
TX ANT
C119
LA-588 [H] (CHASSIS)
TXRFOUT
0.001
C117 C99
C131
2p [L] 4p [H]
4p
7p [H] 7p [L]
[H]
L27
LA-579
C79
1p
C22
100p
J1
GND
11
1
GND
2
W6
M9V
3
(CHASSIS)
M9V
4
TMUTE2
to TX UNIT
5
J4
PCON
6
PATEMP
7
RVSWR
8
FWSWR
9
GND
10 12
[L]:LOW BAND, [M]:MIDDIE BAND, [H]:HIGH BAND