Det Board; Jack1 Unit; Sw Board; Filter Unit - Icom IC-PW1 Service Manual
Hf/50 mhz all band linear amplifier
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Also See for IC-PW1:
- Service manual addendum (201 pages) ,
- Service manual (178 pages) ,
- Instruction manual (24 pages)
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SECTION 10
VOLTAGE DIAGRAM
10-1 WIRING DIAGRAM
J6
ANT1
ANT1
TOUT
EP1
W9,W10
GND
GND
EP2
J5
ANT2
ANT2
GND
J4
ANT3
ANT3
GND
J3
TUNER UNIT
ANT4
ANT4
GND
ANT-SW
UNIT
J1
5
4
3
2
1
J12
FANV
1
1
GND
2
2
1 2 3 4 5 6
L11
J1
50M
1
28M
2
JACK1
21M
3
14M
4
10M
5
GND
UNIT
6
3
2
1
J1
J9
10
9
8
7
6
5
4
3
2
1
W21
1 2 3 4 5
1 2 3 4 5 6 7 8
3
2
1
P1
P1
P1
J21
J22
J9
1 2 3 4 5
J2
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8
3
2
1
EP7
EP5
TOUT
TIN
W1, W2
EP6
GND
GND
DET
EP8
J1
–13R
1
BOARD
5V
2
MF3
PV
3
RV
4
GND
5
GND
COUT
CIN
CP10
CP11
CP9
W5
W7
W6
CP1
CP3
CP2
GND
COUT
CIN
C-NET BOARD
J1
J2
1 2 3 4 5 6 7
C1
C2
MF1
MF2
H-NET
BOARD
5
4
3
2
1
5
4
3
2
1
EP2
5
4
3
2
1
5
4
3
2
1
MP10
J2
J3
EP1
CONNECT
L-NET
BOARD
BOARD
J1
1 2 3 4 5 6 7 8 9 10
W20
1 2 3 4 5 6
1 2 3 4 5 6 7
5
4
3
2
1
P1
P2
P1
J19
J20
J6
1 2 3 4 5 6
1 2 3 4 5 6 7
J14
10
9
8
7
6
5
4
3
2
1
5
4
3
2
1
MAIN UNIT
J2
EP3
TIN
J2
TRU
EP1
W3,W4
EP2
FIN
FIN
PAO2
GND
GND
GND
EP4
EP2
EP1
FILTER
COMBINR
UNIT
UNIT
J3
PAO3
GND
50M
24M
18M
14M
J4
10M
PAO4
7M
35M
19M
4
3
2
1
J1
J8
BAL
J1
1
2
PAO1
GND
3
HV
PX-1981
HV
GND
GND
12
11
10
9
8
7
6
5
4
3
2
1
EP7
9
8
7
6
5
4
3
2
1
1 2 3
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
P1
P1
P1
J8
J17
J4
13
12
11
10
9
8
7
6
5
4
3
2
1
1 2 3
12
11
10
9
8
7
6
5
4
3
2
1
1 2 3 4 5 6 7 8 9 10 J4
J1
PAI2
W16
J2
PAO2
PA2 BOARD
J5
PAF
3
3
2
2
GND
1
1
EP1
EP2
J3
10
9
8
7
6
5
4
3
2
1
W6
W2
W10
1 2 3 4 5 6 7 8 9 10 J4
J1
J2
W17
PAI3
PAO3
PA3 BOARD
PA3 BOARD
J5
3
2
1
EP1
EP2
10
9
8
7
6
5
4
3
2
1
J3
W8
W1
W12
1 2 3 4 5 6 7 8 9 10 J4
J1
J2
W18
PAI4
PAO4
PA4 BOARD
J5
PAF
3
3
2
2
GND
1
1
EP1
EP2
J3
10
9
8
7
6
5
4
3
2
1
W7
W4
W11
J4
1 2 3 4 5 6 7 8 9 10
J1
J2
W15
PAI1
PAO1
PA1 BOARD
J5
PAF
3
3
2
2
GND
1
1
EP1
EP2
J3
10
9
8
7
6
5
4
3
2
1
W5
PA UNIT
W3
W9
1 2 3 4 5 6 7 8 9 10
J11
J9
1 2 3 4 5 6
1 2 3
J3
EP4
1 2 3 4 5 6 7 8 9
P1
J10
1 2 3 4 5 6 7 8 9
J3
CLK
1
DATA
2
DATK
3
STR
4
H12
5
S12
6
DATA2
7
STR2
8
GND
9
10 - 1
J8
P3
TRU
J4
P1
PAI2
J1
J1
P1
IN1
IN1
MF3
J6
J2
P1
J2
P2
PAI3
IN2
IN2
J7
P1
PAI4
MF1
J5
P1
PAI1
MF2
SPLITR UNIT
DS1
DS2
FRONT
ME1
ME2
UNIT
CP1 CP4
CP3
CP2
CP6
CP5
P3
J1
P4
CLK
1
1
1
DATA
2
2
2
DATK
3
3
3
SW
STR
4
4
4
H12
5
5
5
S12
BOARD
6
6
6
DATA2
7
7
7
STR2
8
8
8
GND
9
9
9
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