Icom IC-PW1 Service Manual page 66

Oct. 2008
SECTION 11. VOLTAGE DIAGRAM
Io SELET: 0 V Io SELET: 4.7 V
Io UNSELECT: 3.2 V Io UNSELECT: 0 V
R2 R3 R4
R1
150 150 470
150
DS1 DS3
DS4
DS2
CL-200YG CL-200YG
CL-200YG
CL-200YG
Q1
Q2 Q3
DTC114EE
DTC114EE DTC114EE
Vo METER ALC METER
R5 R6 R7
150 150 150
TUNER ON: 4.7 V
TUNER OFF: 0 V
DS5 DS6 DS7
CL-200YG CL-200YG CL-200YG
Po METER TEMP METER SWR METER
Q5 Q6 Q7
DTC114EE DTC114EE DTC114EE
R9
R10 R11
150
150 150
3.5 MHz
3.5 MHz SELET: 0 V
DS9 10 MHz 18 MHz
3.5 MHz UNSELECT: 3.2 V
CL-170PG-CD-D
DS10 DS11
CL-170PG-CD-D CL-170PG-CD-D
3.5 MHz 10 MHz 18 MHz
Q9 Q10 Q11 Q12
DTC114EE DTC114EE DTC114EE DTC114EE
3.5 MHz SELET: 4.7 V
3.5 MHz UNSELECT: 0 V
R13 R14 R15
150 150 150
1.8 MHz 7 MHz 14 MHz
DS13 DS14 DS15
CL-170PG-CD-D CL-170PG-CD-D CL-170PG-CD-D
1.8 MHz 7 MHz 14 MHz
Q13 Q14 Q15 Q16
DTC114EE DTC114EE DTC114EE DTC114EE
R17
R18
150
150
DS17
DS18 TX: 4.7 V
CL-170PG-CD-D
CL-200YG
RX: 0 V
TX: 0 V
Q17 RX: 3.2 V Q18
DTC114EE
DTC114EE
50 MHz INPUT2 SELECT: 0 V
INPUT2 UNSELECT: 3.2 V
R20 R21
150 150
AUTO
28 MHz
DS21
CL-170PG-CD-D
DS20
AUTO SELECT: 0 V
CL-170PG-CD-D
AUTO UNSELECT: 3.2 V
Q20 Q21 Q22
DTC114EE DTC114EE DTC114EE
AUTO SELECT: 4.7 V
28 MHz
AUTO UNSELECT: 0 V
R23 R24
150 150
ANT2 SELECT: 4.7 V
2 4
ANT2 UNSELECT: 0 V
DS23 DS24 ANT4
CL-200YG CL-200YG
ANT2 SELECT: 0 V
ANT2 UNSELECT: 3.2 V
Q23 Q24
DTC114EE DTC114EE DTC114EE
R26 R27
150 150
1 3
DS26
DS27
ANT3
CL-200YG
CL-200YG
ANT1
Q27
DTC114EE
Q26
DTC114EE
TUNER ON: 0 V
TUNER OFF: 3.2 V
Q4
DTC114EE
PROTECT ON 3.2 V
AMP ON 0 V
AMP OFF 3.2 V
STR
STR
R25 PROTECT ON 0 V
R8
150
120 AMP ON 3.2 V
C2
AMP OFF 3.2 V
DS8 DATA 0.1
SEC2462C
DATA IC1
PD4094BG
W1
Q25
CLK 1
16
Q8 STR VDD
DTC114EE
2
CLK 15
DTC114EE D OE
3 14
CLK Q5
4 13
I1L
Q1 Q6
I2L 5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 QS
GND
8 9
VSS QS
PROTECT ON 0 V
AMP ON 4.7 V
R12
AMP OFF 0 V STR
150
C3
STR
0.1
PROTECT ON 4.7 V
AMP ON 0 V
24 MHz
IC2
AMP OFF 0 V
CLK
DS12
PD4094BG
CL-170PG-CD-D
CLK
24 MHz
1 16
STR VDD
2 OE 15
D
3 14
CLK Q5
VML 4 13
Q1 Q6
SML 5 12
Q2 Q7
AML 6 11
Q3 Q8
7 QS 10
Q4
GND 8 QS 9
VSS
R16
150
STR
21 MHz
C4
STR
0.1
DS16
CL-170PG-CD-D
IC3
21 MHz
CLK
PD4094BG
CLK
1 VDD 16
STR
2 OE 15
D
3 14
CLK Q5
4 13
50ML
Q1 Q6
5 12
28ML
Q2 Q7
24ML 6 11
Q3 Q8
21ML 7 QS 10
Q4
GND 8 QS 9
VSS
R19
150
STR
C5
DS19 STR
0.1
CL-200YG
Q19
IC4
CLK
DTC114EE
PD4094BG
CLK
INPUT2 SELECT: 4.7 V 1 16
STR VDD
INPUT2 UNSELECT: 0 V 2 15
D OE
3 14
CLK Q5
_
3 5ML 4 13
Q1 Q6
_
1 9ML 5 12
Q2 Q7
6 11
Q3 Q8
AUTOL
7 10
Q4 QS
GND 8 9
R22 VSS QS
150
INPUT1 SELECT: 0 V
DS22
INPUT1 UNSELECT: 3.2 V
C7 0.1
CL-200YG
1 VCC 16
DO
STR2
2 VDD 15
LD
CLK
3 AO6 14
CLK
INPUT1 SELECT: 4.7 V DATA2
4 AO5 13
DI
INPUT1 UNSELECT: 0 V
5 AO4 12
AO1
6 AO3 11
AO2
7 NC 10
NC
W3 GND 8 VSS 9
GND
W4
C34
0.001
IC5
D10
M62354GP
1SS315
D11
1SS315
W6
W5
R56
RV-150
10 k
C20
0.1
R57
RV-150
10 k
C21
0.1
19
C1
0.1
IC7
+5V
BU4021BF
+5V CLK
ANT 1 16
H VDD
2 15 I1/2
QF G
A1L
DATK 3 14 BDOWN
QH F
A2L DATA
TUNER 4 13 BUP
D E
A3L
PA 5 12
C QG
A4L
MET2 6 11
B SER
CLK DATK
MET1 7 10
A CLK
GND STR
8 9
VSS P/S
STR
DATA2
STR2
+5V
PML
IML
TML
R31
47 k
MET1
R32
47 k
MET2
R33
47 k
+5V
PA
18ML
14ML
10ML R34
7ML 47 k
TUNER
R35
47 k
BUP
R36
47 k
BDOWN
R29
220 k
+5V
R37
47 k
TRANS
I1/2
TUNL
C6
PAL
2.2
PROL
R38
47 k
ANT
+5V
IC6
4.9 V 9.2 V
TA7805F
R30
33
+5V
O I
G
C9
C8 C10 C11
0.1
33 0.1 10
D1 D2 D6
1SS301 1SS301 1SS301
R39 R40 R41 R43 R60 R61
47 k 47 k 47 k 47 k 47 k 47 k
R44
C25
1 k 0.001
R45
C26
1 k
0.001
R46
C27
1 k
0.001
R47
C28
1 k
0.001
R58
C31
1 k
0.001
R59
C32
1 k
0.001
D3 D4 D7
1SS300 1SS300 1SS300
S1
METER 1
L1 100 H
L2 100 H
L3 100 H
S2 100 H
L4
METER 2
HF50ACC3225-B
L5
L6 HF50ACC3225-B
L7 100 H
L8 100 H
S3
AMP/PROTECT
R62 C30 C29
1.5 0.047 0.047
S4
TUNER
C16 C17
0.0047 0.0047
S5 S12
R51
UP
1 k
S6
DOWN
R53 R52
47 k 47 k C24
0.1 D5
R54
S7 47 k MA8051
13.3 V
INPUT
IC8
C19
10
TC7W74FU 8 6
S8
ANT
5
2 4 1 5
CK Q
2 3
S9
3 D Q
C18
Q31
0.1
DTC144EE
7 4
IC9
TC4S584F
R55
47 k
S12
C33
10
R63
4.7 k
SW BOARD
J1
P4 P3
CLK
1
1 1
DATA
2
2 2
DATK
3
3 3
STB
4
4 4
TO
H12
5
5 5
S12 MAIN UNIT
6
6 6
DATA2 J3
7
7 7
STB2
8
8 8
GND
9
9 9
H12
Q32
12.5 V
R48 2SB1132
FRONT UNIT
1 k
DS2
LAMP
CP2 DS-2
R42
10
10.2 V
CP1 DS-1
DS1
LAMP
ME1
METER1 CP3
CP4
METER
ME2
METER
METER2
CP5
CP6