Icom IC-PW1 Service Manual page 161

10-4 PA UNIT
L2
LR-322B
R20
33
R16
TO L1
J1 27
P1 LA-262
SPLITR PAI2
UNIT
R21
R15 R17
J4 C1
820
560 330
56 p
D1
1SS301
L5
100 H
C37
R23 R9
0.1
10 k 20 k
W2 J3 C41 C42 C43 C29
GND 0.1 0.01 0.001 0.1
1
GND
2
PAF
3
PAF
4
T8V
5
T8V
6
GND
7
GND
8
NC
9
HV
10
J4
GND 10 L11
GND 9 HF50ACC322513
8
PAF
PAF 7
T8V
6
T8V
5
GND
4
GND 3
NC 2
NC
1
L2
LR-322B
R20
33
TO
R16
J1 L1
SPLITR
P1
27 LA-262
PAI3
UNIT
J6
R21
R15 R17
C1
560 820 330
56 p
D1
1SS301
L5
100 H
C37
R23 R9
0.1
20 k
10 k
J3
W1
C41 C42 C43 C29
GND 0.1 0.01 0.001 0.1
1
GND
2
PAF
3
PAF
4
T8V
5
T8V
6
GND
7
GND
8
NC
9
HV
10
J4
W2
GND
10
GND
9 HF50ACC322513
PAF
8
PAF
7
T8V
6
T8V
5
GND
4
GND
3
NC
2
NC
1
R18
15
C51 R6
0.68 15
4.5 V
TX: 2.6 V C18
0.68
RX: 0 V
PAO2 J2
C4
0.68
Q1A
C19
MRF150 MP
0.68
L4
R7
R2
56 LR-95 C16
2.2 k
0.68
L3
W1
LR-296
C11
0.1
D3
C56
1SS301
0.0047 C17
0.68
TX: 2.6 V
C3
RX: 0 V
0.68 Q1B
MRF150 MP
R8
R4 C52 R5
4.5 V
56 2.2 k 0.68 15
C13
R19
D2 0.1
15
1SS301
D4
C57
1SS301
0.0047
L6
100 H
R12 R11 L7
C40
TX: 8.0 V 3.9 LR-230
R10 3.9
0.1 R24
20 k RX: 0 V
10 k
L9
100 H
W6 W2
EP3 EP1
C44 C45 C46 C55
0.1 0.01 0.001
0.1
EP2
C25 C23 C24
T8V C26 C27
0.1 0.047 0.001 470 470
HV
J5
PAF
3
1
2
2
1
C35 3
0.1
PA-2 BOARD
R18
15
C51
R6
0.68
15 4.5 V
C18
TX: 2.6 V
0.68
RX: 0 V
PAO3 J2
C4
0.68
Q1A C19
0.68
MRF150 MP
L4
R7 R2
LR-95
2.2 k C16
56
0.68
L3
W1
C11 LR-296
0.1
C56 D3
0.0047 1SS301
C17
0.68
TX: 2.6 V
C3
RX: 0 V
0.68
Q1B
MRF150 MP
R8
R4 R5
4.5 V
56 2.2 k 15
C52
C13
R19
D2 0.1 0.68
15
1SS301
D4
C57
1SS301
0.0047
L6
100 H
R12
R11 L7
C40
TX: 8.0 V 3.9 3.9 LR-230
R10
0.1 R24
20 k
10 k RX: 0 V
L9
100 H
W2
W6
EP3 EP1
C44 C45 C46 C55
0.1 0.01 0.1
0.001
EP2
C23 C24
T8V C25 C26 C27
0.1 0.047 0.001 470 470
HV
L11 J5
PAF
1
2
C35 3
0.1
PA-3 BOARD
10 - 4
TO
COMBINR
UNIT J2
TO
J1
SPLITR P1
PAI1
UNIT
J5
R15
560
R23
10 k
HV
J3
C41
W3
0.1
GND
1
GND
2
GND
PAF
3
PAF
TO 4
T8V
5
SPLITR
T8V
6
UNIT GND
7
GND
J11
8
NC
9
HV
10
J4
W4
GND
10
GND
9
PAF 3 PAF
MF3 8
2
GND PAF
7
GND 1 T8V
6
T8V
5
GND
4
GND
3
NC
2
NC
1
TO
COMBINR
UNIT J4
TO
J1
P1
SPLITR
PAI4
UNIT
J7 R15
560
R23
10 k
HV
J3
W4
C41
GND
0.1
1
GND
2
PAF
GND 3
PAF
4
T8V
5
T8V
6
GND
7
GND
8
NC
9
HV
10
W1 J4
GND
10
GND
9
PAF
8
PAF
PAF
7
GND
T8V
6
GND
T8V
5
GND
4
GND
3
NC
2
NC
1
R18
15
C51 R6
0.68 15
4.5 V
TX: 2.6 V
RX: 0 V
L2
C4
R20 LR-322B
0.68
Q1A
33
MRF150 MP
R7 R2
R16
L1 56 2.2 k
27
LA-262
L3
C11
W1
LR-296
0.1
R21
R17
C1
820
330
C56 D3
56 p
0.0047
1SS301
TX: 2.6 V
C3
RX: 0 V
0.68
Q1B
MRF150 MP
R8
R4 R5
4.5 V
56 2.2 k 15
C13
C52
R19
D1
D2 0.1 0.68
15
1SS301
1SS301
D4
C57
1SS301
0.0047
L5 L6
100 H
100 H
R12 R11 L7
C37 C40
TX: 8.0 V 3.9 LR-230
R9 R10 3.9
0.1 0.1 R24
20 k 20 k RX: 0 V
10 k
L9
100 H
W6
C42 C43 C29 C44 C45 C46 C55
0.01 0.001 0.1 0.1 0.01 0.001 0.1
C25 C26 C27
T8V
0.1 0.047 0.001
HV
L11
HF50ACC322513
PAF
C35
0.1
PA-1 BOARD
R18
15
C51
R6
0.68 15 4.5 V
TX: 2.6 V
RX: 0 V
L2 C4
R20 LR-322B 0.68
Q1A
33
MRF150 MP
R7 R2
R16
L1 2.2 k
27 56
LA-262
L3
W1
LR-296
C11
R21
R17
C1 0.1
820 330
56 p D3
C56
1SS301
0.0047
TX: 2.6 V
C3
RX: 0 V
0.68
Q1B
MRF150 MP
R8
R4 R5
4.5 V
56 2.2 k 15
C13 C52 R19
D1 D2 0.1 0.68
15
1SS301 1SS301
D4
C57
1SS301
0.0047
L5
L6
100 H 100 H
R12 R11 L7
C37
C40
TX: 8.0 V 3.9 3.9 LR-230
R9 R10
0.1 0.1 R24
20 k 20 k RX: 0 V
10 k
L9
100 H
W6
C42 C43 C29 C44 C45 C46 C55
0.01 0.001 0.1 0.1 0.01 0.1
0.001
T8V
C25 C26 C27
0.1 0.047 0.001
HV
L11
HF50ACC322513
PAF
C35
0.1
PA-4 BOARD
C18
0.68
J2
TO
PAO1
COMBINR
C19
UNIT J1
0.68
L4
LR-95
C16
0.68
C17
0.68
PX-1981
W2
EP1 HV
HV
EP3 HV
EP2 GND
GND
GND
C23 C24
470 470
J5
PAF 3
1
MF2
2
2 GND
1
3 GND
C18
0.68 J2 TO
PAO4
COMBINR
C19 UNIT J3
0.68
L4
LR-95
C16
0.68
C17
0.68
W2
EP3 EP1 HV
GND
EP2
C23 C24
470 470
J5
PAF
1 3
MF1
GND 2
2
GND 1
3