Main Unit; Tuner Unit - Icom IC-PW1 Service Manual

10-7 TUNER UNIT

TO FILTER
UNIT
D3
TIN EP7 MA77
EP3
16
12 14
C1
R1
6 p
470
EP8 13
15
EP4
L1
C4 IC1C
1 mH
0.0047
MC10116L
C2 C3
330 p 330 p
D4
MA77
D6
R5
MA77
470
CP1 CP5
C8
0.0047
W1
L3
C9
R4 L4
MP4
56 p
6.8 D5 1M C10
MA77 0.1
CP2 CP6
D11
MBD701
R17 C18 C36 C37
10 k 0.001 0.01 0.1
C40
0.1
C35 C15
180 p 3 p
C16 C16 C17
CP3 270 p 180 p
CP8
R18
10 k
R21 R15 R16
TX: 0.2 V
R14
W2 L5 30 10 k 1 M
30
MP5
CP7
CP4 D12
MBD701
R20
TX: —0.7 V TX: 0 V
L11
4.7 k
LR-270
C22
C20 C21
C19 0.0047 0.001 0.0047
100 p
Q1
CIN CP9 2SK515 X33
C43
CP10 C41 C38 C39
27 p
0.1 0.1 0.01
CP11
C33
22 p
C42
22 p
CIN CP2
RL3
AR39251
L14
100 H
CP1
RL1 50MHz ON: 0 V
GND
VS12TBU-VD3
Other Freq.: 11.8 V
L1
100 H D14
tu2
1SS53
C1
D1
0.0047 C34
1SS53
0.0047
RL2
VS12TBU-VD3
CP3
COUT
L2
100 H
tu1
D2
1SS53
C2
0.0047
RL7
AR39251
50MHz ON: 0 V
Other Freq.: 11.8 V
C54
0.0047
C57
15 p
L18
D18
100 H
1SS53
C-NET BOARD
VHCO
C6
C5
10
C7
0.0047
R2
0.1
C29
3.3
10
IC2A
1
2
MC10125L
R8
4 C30
47
0.1
3
R3 IC3A
8
470
TC74ACT32F
1 2 3 4 5 6 7 8
C11
0.1
14
IC4
1
TC74AC112F
3
2
R6 D7
1 7
3.3 1SS301
4 2
16 15 14 13 12 11 10 9
14
5 3 13
R11
15
47
8 IC1A
R7
MC10116L IC2D
470
MC10125L C13
0.0047
11
9 6
D8
1SS301
IC3B
10 7
TC74ACT32F
IC1B
MC10116L 4
9 6
6 5
IC2B
5
C23 7 MC10125L
0.001
IC3C
16
TC74ACT32F
R19
1.2 k
9
8
10
10
IC2C
12
MC10125L
11
DET BOARD
7, 3.5MHz ON: 11.8 V
RL5 ON: 11.8 V RL6 ON: 11.8 V
Other Freq. : 0 V
OFF: 0 V OFF: 0 V
CI1B CI3B CI2B
RL4 *RL5 **RL6
VB-12MBU-UC VB-12MBU-UC VB-12MBU-UC
L15 L16
L17
100 H 100 H
100 H
D15 D16 D17
1SS53 1SS53 1SS53
C49
C39 C44
0.0047 0.0047 0.0047
C40 C41 C50
C75 C94 68 p
68 p C46 100 p
C45
15 p 15 p
C95 220 p 220 p
C74
15 p
15 p
C48
C42 C43 C47 C52
C77 C96 220 p
68 p 68 p 220 p 100 p
15 p 15 p
C97
C76
15 p
15 p
C60 C61 C65 C66 C86 C87
82 p 82 p 100 p 100 p 100 p
100 p
C91
C90 C63 C88
C62 C67 C68 C89
15 p
15 p 100 p
82 p 82 p 100 p 100 p 100 p
RL8 **RL9
*RL10
VB-12MBU-UC VB-12MBU-UC
VB-12MBU-UC
C92
15 p
C55 C56 C93
15 p 15 p 15 p
D19 C59 D20 C64 D21 C69
1SS53 0.0047 1SS53 0.0047 1SS53 0.0047
C58
15 p
L19
7, 3.5MHz ON: 11.8 V RL9 ON: 11.8 V L21 RL10 ON: 11.8 V
100 H 100 H
Other Freq.: 0 V L20 OFF: 0 V OFF: 0 V
100 H
CO2B
CO1B CO3B
Note: An 1.9 MHz band select the relay by condition either RL5 and RL10 (*) or RL6 and RL9 (**).
TUNER UNIT
—5V
D13
C27
1SS286
0.0047
C12 R9
0.0047 2.2 k
—5.0 V
IC5
—11.8 V NJM79L05A
L12
D14
100 H
1SS286
C45 C44
0.0047 10
R12
L8
2.2 k R13
C14 100 H —13R
10 k
0.0047
5V
L9 100 H
PV
RV
L10
100 H
C26
C24
0.0047
0.0047 C34
0.0047
IC3D C25
0.0047
TC74ACT32F
4.9 V 0 V 0 V
12
11 TX
13 (MATCHING OK)
J2
EP2
tu2
1
VHCI
2
CI3B
3
CI2B
4
CI1B
5
6
7
J1 EP1
tu1
CO1B
1
CO2B
2
CO3B
3
VHCO
4
5
6
C1
0.0047
C51
C82
100 p
100 p
CHW
C53 C84
100 p 100 p
M
C70 C71
150 p 150 p
MF1
MOTOR STEPPER
C72 C73
150 p 150 p
C2
0.0047
M
MF2
MOTOR STEPPER
RL1
AR39251
50 MHz
CHW
L11
LA-535
RL2
AR39251
RL3
AR39251
L12
28/24 MHz
LA-534
RL4
AR39251
J1 P1
1 1 —13R
TO
2 2 5V
3 3 PV

MAIN UNIT

RL5
4 4 RV
J6 AR39251
5 5 GND
L13
21/18 MHz
LA-544
RL6
AR39251
RL7
AR39251
14 MHz L14
LA-532
RL8
AR39251
TOUT
EP5
GND
EP6
RL9
AR39251
10 MHz L15
LA-531
P2
1
TU2
2 VHCI
3
CI3B
TO
RL10
4 CI2B
MAIN UNIT
AR39251
5
CI1B
J20
6 GND
7
GND
P1
1 CO1B
EP2
2
CO2B
TO
3
CO3B
MAIN UNIT
4 LHW
VHCO
J19
5
TU1
6 GND
J2
12V
1 12V 1
PW
2 PW 2
PX
3 PX 3
PY
4 PY 4
PZ
5 PZ 5
TO
MAIN
C8 C7 C6 C5
1 1 1 1 13.3 V UNIT
J1 J14
12V
10
PW
9
PX
8
PY
7
J3
PZ
6
12V
12V
1 12V 1 5
RW RW
2 2 4
RW
RX RX
3 RX 3 3
RY RY
4 4 2
RY
RZ RZ
5 RZ 5 1
C4 C3 C2 C1
1 1 1 1 13.3 V
CONNECT BOARD
MORE THAN 50 MHz BAND : 13.0 V
LESS THAN 50 MHz BAND : 0 V H-NET BOARD
L1
100 H
D1
C11 C1
1SS53
0.0047 0.1
L2
100 H
50M
D2 C12 C2
1SS53 0.0047
0.1
MORE THAN 24 MHz BAND : 13.0 V
LESS THAN 24 MHz BAND : 0 V
L3
100 H
D3 C3
C13
1SS53
0.0047 0.1
L4
100 H
28M
D4
C14 C4
1SS53 0.0047 0.1
MORE THAN 18 MHz BAND : 13.0 V
LESS THAN 18 MHz BAND : 0 V
L5
100 H
C5
D5 C15
0.1
1SS53 0.0047
1SS53
L6
100 H
21M
D6
C16 C6
1SS53
0.0047 0.1
MORE THAN 14 MHz BAND : 13.0 V
LESS THAN 14 MHz BAND : 0 V
J1
L7
50M
100 H
1
28M
2
21M
3
D7 C17 C7
14M
4
1SS53 0.0047 0.1
10M
5
6
L8
100 H
14M
D8
C18 C8
1SS53 0.0047 0.1
MORE THAN 10 MHz BAND : 13.0 V
LESS THAN 10 MHz BAND : 0 V
L9
100 H
D9
C19 C9
1SS53 0.0047 0.1
L10
100 H
10M
D10
C20 C10
1SS53 0.0047 0.1
LHW
EP1
L3
7 MHz LA-530
RL1
AR39251
MORE THAN 7 MHz BAND: 13.2 V
LESS THAN 7 MHz BAND : 0 V
L1
100 H
C3 C1
0.1 0.0047
D1
L4
3.5 MHz
1SS53
LA-529
1 12V
2
PW RL2
AR39251
3 PX
MORE THAN 3.5 MHz BAND: 13.2 V
4 PY
LESS THAN 3.5 MHz BAND : 0 V
5 PZ
6
12V L2
100 H
PW
7
8 PX
PY D2 C4 C2
9
1SS53 0.1 0.0047
10 PZ
L5
1.9 MHz LA-528
L-NET BOA
E