Icom IC-FR4000 Service Manual page 76

[FR4000]
L4
J2
Y655LY-03K=P3
TXRFIN
to TX UNIT
J5
Q1
2SK3475
R13
C2 L1 L13
C1
18 [H]
0.001 6.8nH 8.2nH
0.001
R14 C3
R12 220 18p C4 R1
W14
270 JPW [L], [M] [L] 18p 1.5k
10p
[L], [M] 270
[H] [other]
C5 C6 L2
0.001 470p 0.82µH
TX: 2.7V
RX: 0.0V D1
1SS319
R6
10k
C38 R2
0.001 4.7k
C97
10
C74
0.001
J1
GND
11
1
GND
2
M9V
3
M9V
4
TMUTE2
to TX UNIT 5
PCON
J4
6
PATEMP
7
RVSWR
8
FWSWR
9
GND
12 10
C81
C80
0.001 0.001
Explanatory notes
FWSWR
Voltage line
TX line
IC1 SC-1027 [M]
SC-1322 [L]
SC-1323 [H]
C90 C94 C95
470p 0.001 470p
C10
470p
L5 C7 R4
C91 C93 C96
Y655LY-01M 0.001 18
0.001 470p 0.001
C56 C8 C9 C66 R3 R5
2p 2p 2p 2p 270 270
L3
Y655LY-03K=P3 [L]
Y655LY-02M=P3 [M], [H]
L19 L20 L21
C39 C40 C41 Hi-Po: 12.9V
470p 0.001 10 C42 C44
C43 Lo-Po: 13.3V
100 0.001 470p
[L], [M]
TX: 8.2V L15
RX: 0.0V
LA-563A
L14
LA-563A
R7 R46
22 22
W11
JPW
[L], [M]
W12
JPW
[L], [M]
C57 IC3
Q7
0.001
TA7808F
Hi-Po: 5.2V
2SB1143
Lo-Po: 4.5V [H]
8.0V
O
G
Q5
R45 C101 C103 C104
C55
2SA1362
10k 0.001 0.1 22
0.001
R17
R44
1.5k
47k
Q6
R43
1k 2SC2712
R62 R15
2.2k 10k
R16
C113
68k
10
D10
MA77
TX: 4.5V
Q3
RX: 0.0V
DTC144EU
R56
Q8 Q9
330
[L], [M]
DTC114EU DTC114EU
1k
[H]
D7
W6 W2 R68 D11 RD12M B1
47k HSU88
M9V
TMUTE2
R58
PATEMP
68k
IC6
TC4S66F
R60
1 5
W5 4.7k
PCON 2
3 4
R66
22k
RVSWR
C12
3p
[M]
C126
C125
22p 22p
C87
6p [H]
Q2
8p [M]
7p [L] 2SC3102
C14
100p
C18
27p
L6 C85 C17
LA-572 39p 39p
L19 – L21 BL01RN1A1D2B
L7
LA-562
C46 C45 C83 C47
0.001 470p 100p 1000 C105
470p
L17 L18
BLM31PG121SN1 BLM31PG121SN1
R50
10
C106
470p
C100 C99 R54
0.001 22 100
R53
1.2k
R20
3.9k
IC4
NJM2107F
2.9V
5
1
4
I
3
C134 C59 R19
2
1 0.001 10k
R69 R55
C58
100 10k
0.1
R51 R52
100k 22k
PATEMP
IC5
TA78L05F
5.0V
M9V
I O
G
C107 C109 C110 C108
0.01 10 10 0.01
TX: 0.7V
C70
RX: 0.5V
220p
R34
R32
47k
180k
R47
100
D8
MA77
W10
5
1
C68 C69
4
0.001 22
3
2
R39 C71 R48
22k 0.001 10k
IC2
TA5S01F
R57
IC7
47k
S-80820CNMC-B8F
1 5
OUT NC
2
VDD
3 4
VSS NC
R61
NTCG16 4LH 473KT
R59 C72
R67
39k 0.001
68k
Power supply: DC13.6V / Mesurement Frequency: 465.500 MHz / Internal resister of a volt meter: 50 kΩ/V
50PA UNIT
Power code: 5.5 sq / 50 cm
C119
2p [L], [M]
4p [H]
C112
L8
100p
LA-559
C25 C26
6p 8p
C21 C24
C19 C86 C20
3p [L] [M]
7p
27p 8p 4p
[L] 3p 10p
[M], [H] [L], [H]
6p
[M], [H]
J5 EP1
MMZ1608Y102BT
1
1
2
2
3
3
D1
MA29W B
VARISTOR
UNIT
R64
150k
D9
MA77
Hi-Po: 0.1V
Lo-Po: 0.0V
R33 R26 D2
HSU88
10k 10k
D5 R24 C75 R25 C62
MA8047 100k 470p 12k 220p
R63
2.2k
L22
0.1µH
[L], [M]
R28
100k
R35
C102
W13
0.001 10k
C135
JPW
330p
[H]
[L], [M]
D6 C76
MA8047 470p
RVSWR
Hi-Po: 2.2V
Lo-Po: 0.9V
FWSWR
12 - 7
R9
82
FWD
L9 L10
W13
LA-559
LA-560
TXRFOUT
TX ANT
C30 C31
C27 C29
8p 6p
C32
5p 5p
[M] [L] REV
3p
[L], [M] [L], [M]
10p 3p
[L], [H] [M], [H]
R8
82
C48 C49 C98
470p 0.001 100p
L16
LA-561
Hi-Po: 12.9V
Lo-Po: 13.3V
C61 C73
2200 0.001
T2
TC-7
EP2
VCC1 to REG UNIT
EP7
C60 C111
0.001 0.001
EP1
PS 0V to REG UNIT
EP8
C88
0.5p W3
W4
R70 C89
JPW
56 3p
[H]
[L], [M]
R30
1.8K
[L], [M]
33k D4
HSU88
[H]
C65
R29 C64
3p
15k 220p
[L], [M]
[L]:LOW BAND, [M]:MIDDIE BAND, [H]:HIGH BAND