Icom IC-PW1 Service Manual page 65

C107 0.1
140 µS
TX ON 1
2
3.4 V
3
4
5
TI4
6
0.6 V
7
AMP. ON : 4.6 V
AMP. OFF: 0 V
0.1 µS
IC17 X24C01AS-3.0
3.4 V
C106
1 8
0.1
A0 VCC
2 7
A1
WC C123
3 6
A2 SCL
0.047
0.6 V 4 5 IC30
VSS SDA
TC7S14FU
SDA
R165
C125
SCL 100 k 5
0.00
4
R117
IC16C
22 k
8MF
1 5 3
PD4069UBG
4MF
2 R166
0MF 100 k
3 4
5
7MF SEND 6 R118
C207 22 k 0.51 µS C124
35M
0.1 TX ON
IC27 0.0047
19M
AMP. ON and TX: 4.5 V
4.5 V
TC4S81F
OTHER: 0 V
I1/2
END
NT0
TR2 0.4 V
ATA
STR
ATK C203 R119
D21
0.1 680 k
MA77
IC21B
14 NJM4558M
X2
2 1 R132
9.8304 MHz
33 k
Q1
7 R120
2SA1586 D56
47 k
R157
1SS373
10 k
R121 IC16A
47 k
01 C202
PD4069UBG
R122
L116 12 p
10 µH 18 k
3 4
Q2 R125
100 k
TEMP
IC16B 2SC4116
DPO
PD4069UBG
R194 IC21A
Q36 15 k
NJM4558M
DTC114EE
11 10
R126
IC16E 1 k
PD4069UBG
L75
C89
100 µH
0.1
Q103
2SC4116
16 µS
3.5 V
0.9 V
32
35T
P20/DB0
31 7T
P21/DB1
30
10T
P22/DB2
29 14T
P23/DB3
28
21T
P24/DB4
27 28T
P25/DB5
26
50T
P26/DB6
25
C69
P27/DB7
24
15 p
VSS
23
XOUT
22
XIN
21 X1
P40/INT4
20 6.144 MHz TRC
P41/INT0
RESET 19
18
D52
CNV66
C70
17 1SS301
P42/INT1 15 p R88
1 k
R89
47 k
R90
330 R91 1 k
IC25
R92 100 k S-8054ALB-LM
C68 0.1
R93 220 k
25
O
SC4116 R96
G
R95 D27
R94 C110 1 k
470 k MA77 C109
220 k 0.1
0.1
R112
R109 R114
11
47 k
D24 47 k 1 k
C4S69F RD5.1 M
R110
10 k
R113
100 k
Q23
R111
10 k 2SA1586
Q24
C67 D23
2SC4116
0.0047 RD5.1 M
14
13
12
IC20 W10
11
10 TC74AC393F
9 IC19
8
TD62783AF
SELECTED: 4.7 V
UNSELECTED: 0 V
9
VS
19M 8
IN8
35M 7
IN7
6
7MF IN6
10MF
5
IN5
L82 4.8 V C230 14MF 4
IN4
100 µH
L81 18MF 3
0.1
100 µH IN3
24MF 2
IN2
50MF 1
R163 IN1
D51
680
MA77
IC18
C121
R161 0.047 TD62783AF
R231
2 R162 330
ANT1 1
39 k 470 k
IN1
ANT2
2
IN2
0.7 V
ANT3 3
IN3
ANT4 4
C122 IN4
I1/2 5
470 p IN5
ASE 6
IN6
R164 R160 D50
R230 7
33 470 k MA77 IN7
10 k
R123 8
IN8
1 k 9
PAF
VS
Q34 Q35
TUF
2SC2714 2SK302
R124 1 k
Q3
L101 100 µH
2SB1119
R158
100 k
5
7
R172 L100 100 µH
6
2.2 k
C92 C93 C94
C126 R159
Q4 0.1 0.0047
0.1
100 k
0.1 DTC114EE
R149
2.2 k
D68
L76 L52
1SS373 R173
100 µH 100 µH
2.2 k
C90
L51
0.1
PA FAN DRIVE OFF: 0 V
100 µH
PA FAN DRIVE ON: 4.3 V
TX: 0.5 V
8 RX: 0 V
L50
3
R174 PA FAN OFF: 0 V
HF50ACC322513
1
2.2 k
Q5 PA FAN ON: 13.0 V C232
2 R130
Q6
0.1
150 k
2SB1119
4 R167 DTC114EE
R150
R128 470
2.2 k
220 k
PA FAN DRIVE OFF: 13.3 V
R175 PA FAN DRIVE ON: 12.2 V
R127 560 k
2.2 k
[TUNER ON] / [AMP. ON] / [TX ON]: 13.3 V
Q7 IC15
OTHER : 0 V
2SB1119 TD62597FN
L54 PW 1
R176 2
HF50ACC322513 PX
2.2 k C233
3
PY
10
PZ 4
R151 5
RW
2.2 k
6
RX
RY 7
Q8 R177 2.2 k 8
RZ
9
DTC114EE
CI3
CI2
D72
IC14
1SS301
CI1 TD62783AF
1
CO1 O1 18
IN1
2 O2 17
IN2
3 O3 16
IN3
4
O4 15
IN4
CO2 O5 14
5 IN5
CO3 6 O6 13
IN6
7
O7 12
IN7
8 O8 11
IN8
9
GND 10
VS
R178
2.2 k Q9
2SB1119
R141 2.2 k
50T
R186
Q13
2.2 k
Q16 Q20
2SB1119
R179
DTC114EE DTC114EE
R145
2.2 k
2.2 k
28T
R180
Q10 R187
2.2 k
2.2 k
2SB1119
R142 2.2 k
21T
R188
Q21 Q14
2.2 k
Q17
DTC114EE
2SB1119
R181
DTC114EE
R146 2.2 k
14T 2.2 k
R182
Q11 R189
2.2 k
2.2 k
2SB1119
R143 2.2 k
10T
R190
Q22
2. 2 k Q15
Q18
DTC114EE
2SB1119
R183
DTC114EE
R147 2.2 k
2.2 k
7T
Q19
R184
R191
2.2 k
DTC114EE 2.2 k
R144 2.2 k
35T
Q12
2SB1119
R185
2.2 k
Q30 Q29
2SC4116 2SC4116
R153
47 k
S5
SW-161
MAIN UNIT
TX: 1.1 V J8
L1 100 µH
RX: 0 V 1 T13
L2 100 µH
FOR
2
L3 100 µH
3 REF
0 V
4 GND
5 19M
C1 C2 C3
6 35M
0.0047 0.0047 0.1
AMP. ON and TX: 13.2 V
7 7M
OTHER: 0 V
8 10M
9 14M
SELECTED: 13.2 V 18M
L38–L45 10
UNSELECTED: 0 V HF50ACC322513-B 11 24M
GND 10
12 50M
O8 11
L45 GND
13
O7 12 L44
O6 13 L43
O5 14 L42
O4 15 L41
O3 16
L40
O2 17 L39
O1 18 L38
L114
100 µH
C98 C99 C100 C101 C102 C103 C104 C105
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 J9
O1 18
5
O2 17 GND
L48 HF50ACC322513-B
4
O3 16 S1
L47 HF50ACC322513-B
O4 15 3
S2
L46 HF50ACC322513-B
O5 14 2
S3
O6 13 L111 HF50ACC322513-B
1
S4
O7 12
O8 11
GND 10
J10
C215 C95 C96 C97
0.1 0.1 0.1 0.1
1 GND
2 F
3
5V
4 TEMP
5 IN
L49 100 µH
6
DRIV
7 T13
8 PAF
9
GND
C220 C219
0.1 0.1
NOTE:
MEASURMENT CONDITION
Volt meter : 10 kΩ/V
Oscilloscope : 20 MHz, 1 MΩ, 25 pF
Amp : ON
Tuner : ON
Frequency : 1.91 MHz
Mode : RTTY
Output power : 1 kW
CP17 CP18 CP19 CP20 CP21 CP22 CP23 CP24
J14
1 12V
L58
O1 18
I1 2
PW
L57
O2 17
I2 3 PX
O3 16 L56
I3
4 PY
15 L55
I4 O4 5
PZ
O5 14
I5 6 12V
O6 13 L105
I6
7 RW
O7 12 L106
I7 8
RX
L104
O8 11
I8 9 RY
10 L59
GND COM 10 RZ
C86
0.1 J20
L60–L67
HF50ACC322513
1 TU2
L67 CI3B
2
VHCI
L66 VHCI
3 CI3B
L65 CI2B
4 CI2B
L64 CI1B
5 CI1B
L63
6 GND
L62
7 GND
L61
L60
J19
C78
C79 C80 C81 C82 C83 C84 C85 CO1B
1 CO1B
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
CO2B
2
CO2B
CO3B
3 CO3B
VHCO
4 VHCO
5
TU1
6 GND
L68–L74
HF50ACC322513 J21
L74
1 50M
L73
2 28M
L72
3 21M
L71
4 14M
L70
5 10M
L69
6 GND
L68
7 NC
8 NC
J22
C71 C72 C73 C74 C75 C76 C77
0.1 0.1 0.1 0.1 0.1 0.1 0.1
1 7M
2 35M
3 GND
J18
L77 10 µH
5 (TTRC)
L78 10 µH
(ISTA)
4
L79 10 µH
3 (IKEY)
L80 2943-666663
2 (13.8)
(GND)
1
C112 C113 C114 C115
0.1 0.1 470 p 0.1
J17
1 BAL
2 GND
3
GND
COMPLETE VIEW
TO
FILTER
UNIT J1
TO
FILTER
UNIT
TO
ANT-SW
UNIT J1
J9
SPLITR
UNIT
J3
TUNER UNIT
(CONNECT
BOARD J1)
TUNER UNIT
(C-NET
BOARD J2)
TUNER UNIT
(C-NET
BOARD J1)
TUNER UNIT
(H-NET
BOARD J1)
TUNER UNIT
(L-NET
BOARD J1)
TUNER UNIT
CPU
WRITE
COMBINR
UNIT J8