Main Unit - Icom IC-PW1 Service Manual Addendum

C107
0.1
140 S
TX ON
3.4 V
50MF
TI4
PATH 0.4 V
AMP. ON : 4.6 V
AMP. OFF: 0 V
0.1 S
IC17 X24C01AS-3.0
3.4 V
C106
1 8 0.1
A0 VCC
2 7
A1
WC
3 6
A2 SCL
0.6 V 4 5
VSS SDA
R244
SDA
R165
220k
SCL 100 k
R117
IC16C
8 22 k
05(AD5) 40 18MF 1
PD4069UBG 2 7
04(AD4) 39 14MF
R166
03(AD3) 38 10MF 3 6
100 k
5 R118 22 k
02(AD2) 37 7MF SEND 6 4 5
01(AD1) 36 35M
R245 TX ON
00(AD0) 35 19M IC27
C207 100k
VCC 34 AMP. ON and TX: 4.5 V 4.5 V
TC7W08FU 0.1
LE(P83) 33 I1/2 OTHER: 0 V
BY(P82) 32 SEND
T0(P81) 31 INT0
UT(P80) 30 STR2 0.4 V
7(TXD2) 29 DATA
(SCLK2) 28 STR
5(RXD2) 27 DATK C203 R119
D21
0.1 680 k
EA 26
MA77
X2 25
14
X1 24 X2
2 1 R132
VSS 23 9.8304 MHz
33 k
Q1
22
CLK
7 R120
21 2SA1586
47 k
RESET R157
10 k
R121 IC16A
47 k
C201 C202
PD4069UBG
R122
12 p L116 12 p
18 k
10 H
3 4
Q2
IC16B 2SC4116 TEMP
DPO
PD4069UBG
R194
15 k
Q36
DTC114EE
11 10
IC16E
PD4069UBG
L75
100 H
A77
Q114 2SA1586
R249
R116
100k
100 k
Q103
2SC4116
R115
220 k
FANV
C209
0.1
S8
8
7
6
5
16 S
3.5 V
38 37 36 35 34 33
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
-138FP 22
XIN
21 X1
P40/INT4
20 6.144 MHz
P41/INT0
RESET 19
18
CNV66
C70
17
R88
P42/INT1 15 p
1 k
R90
R89
330 47 k
11 12 13 14 15 16
R91 1 k
IC25
R92 100 k S-8054ALB-LM
R97 C68 0.1
R93 220 k
R98
Q25
O
R99 2SC4116 R96 G
R95 D27
R94 C110 1 k
R100 470 k MA77 C109
220 k 0.1
0.1
R112 R114
R109
IC11
47 k
D24 47 k 1 k
5
TC4S69F RD5.1 M
4 2 R110
10 k
R113
3 100 k
Q23
R111
10 k 2SA1586
Q24
R106 R105 C67 D23
1 k 56 k RD5.1 M 2SC4116
0.0047
BAL
TUON
1 14
2 13
3 12
IC20
4 11
5 10 TC74AC393F
6 9
7 8
SELECTED: 4.7 V
TI4
UNSELECTED: 0 V
19M
35M
7MF
10MF
L82
4.8 V C230 14MF
100 H L81 18MF
0.1
100 H 24MF
C123 50MF
R163
D51
0.047
680
IC30
MA77
TC7S14FU
C121
R161
0.047
5
R231
4 2 R162 330
470 k ANT1
39 k
ANT2
C125
3 0.7 V
ANT3
0.00
ANT4
C122
I1/2
470 p
ASE
C124
0.51 S R164 R160 D50
R230
0.0047 33 470 k MA77
10 k
R123
1 k
PAF
C241
Q34 Q35
TUF 0.1
2SC2714 2SK302
R124 1 k
Q3
IC21B 2SB1119
R158
NJM4558M
100 k
5
7
R172
6
2.2 k
D56
C92
C126 R159
1SS373
Q4
0.1
100 k
0.1 DTC114EE
TX: 0.5 V C93
R149
0.1
RX: 0 V 2.2 k
D68
L76
1SS373 R173
100 H
R125 2.2 k
100 k
C90
0.1
PA FAN DRIVE OFF: 0 V
PA FAN DRIVE ON: 4.3 V
IC21A
NJM4558M
C249 PA FAN OFF: 0 V
R174
8
10 3
2.2 k PA FAN ON: 13.0 V
1 Q5
Q6
R130
2
2SB1119
R126 150 k DTC114EE
4 R150
R167
1 k
2.2 k
R128 470
220 k
C89
0.1 R175
R127 560 k 2.2 k
C86 [TUNER ON] / [AMP. ON] / [TX ON]: 13.3 V
0.1 Q7
OTHER : 0 V
2SB1119
L54
R176 HF50ACC322513
2.2 k C233
10
R151
2.2 k
R250
68k
Q8 R177 2.2 k
DTC114EE
CI3
FANV
CI2
D72
1SS301
CI1
CO1
CO2
CO3
R178
2.2 k Q9
2SB1119
R141 2.2 k
50T
Q16 Q20
R179
DTC114EE DTC114EE
2.2 k
28T
R180
Q10
2.2 k
2SB1119
R142 2.2 k
21T
Q21
Q17
DTC114EE
R181
DTC114EE
R146 2.2 k
14T 2.2 k
R182
TRC Q11
2.2 k
2SB1119
D52 R143 2.2 k
10T
1SS301
Q22
Q18
DTC114EE
R183
DTC114EE
2.2 k
7T
Q19
R184
2.2 k
DTC114EE
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
L1 100 H
RX: 0 V
L2 100 H
L3 100 H
0 V
W10 C1 C2 C3
0.0047 0.0047 0.1
AMP. ON and TX: 13.2 V
OTHER: 0 V
IC19
TD62783AF
SELECTED: 12.0 V L38—L45
UNSELECTED: 0 V HF50ACC322513-B
9 GND 10
VS
8 O8 11 L45
IN8
7 O7 12 L44
IN7
6 O6 13 L43
IN6
5 O5 14
L42
IN5
4 O4 15 L41
IN4
3 O3 16
L40
IN3
2 O2 17 L39
IN2
1 O1 18 L38
IN1
L114
IC18 100 H
C98 C99 C100 C101 C102 C103 C104 C105
TD62783AF
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
1 O1 18
IN1
O2 17
2
IN2 L48 HF50ACC322513-B
3 O3 16
IN3
L47 HF50ACC322513-B
4 O4 15
IN4
O5 14 L46 HF50ACC322513-B
5
IN5
6 O6 13 L111 HF50ACC322513-B
IN6
7 O7 12
IN7
8 O8 11
IN8
9 GND 10
VS
C215 C95 C96 C97
0.1 0.1 0.1
0.1
L101 100 H
L49 100 H
L100 100 H
C94
0.0047
C220 C219
0.1 0.1
L52
NOTE:
100 H
MEASURMENT CONDITION
L51
100 H
Volt meter : 10 k‰/V
Oscilloscope : 20 MHz, 1 M‰, 25 pF
L50
HF50ACC322513
Amp : ON
C232
Tuner : ON
0.1
Frequency : 1.91 MHz
PA FAN DRIVE OFF: 13.3 V
PA FAN DRIVE ON: 12.2 V
Mode : RTTY
Output power : 1 kW
CP17 CP18 CP19 CP20 CP21 CP22 CP23 CP24
IC15
TD62597FN
L58
PW 1 O1 18
I1
2 L57
PX O2 17
I2
3 O3 16 L56
PY I3
PZ 4 15 L55
I4 O4
5
RW O5 14
I5
RX 6 O6 13 L105
I6
RY 7 O7 12 L106
I7
RZ 8 L104
O8 11
I8
9 10 L59
GND COM
C240
IC14
0.1
L60—L67
TD62783AF
HF50ACC322513
1 L67 CI3B
IN1 O1 18
2 O2 17 L66 VHCI
IN2
3 O3 16 L65 CI2B
IN3
4 O4 15 L64 CI1B
IN4
5 O5 14 L63
IN5
6 O6 13 L62
IN6
7 L61
O7 12
IN7
8 O8 11 L60
IN8
9
GND 10
VS
C78
C79 C80 C81 C82 C83 C84 C85 CO1B
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
CO2B
CO3B
VHCO
R186 Q13
2.2 k
2SB1119
R145
2.2 k
R187
2.2 k
R188
Q14
2.2 k
L68—L74
2SB1119
HF50ACC322513
L74
L73
L72
R189 L71
2.2 k
L70
L69
L68
R190
Q15
2. 2 k
2SB1119
R147 2.2 k
C71 C72 C73 C74 C75 C76 C77
0.1 0.1 0.1 0.1 0.1 0.1 0.1
R191
2.2 k
L77 10 H
L78 10 H
L79 10 H
L80 2943-666663
C112 C113 C114 C115
0.1 0.1 470 p 0.1
BAL
TUON
J8
TO
1 T13
FOR
2 FILTER
3 REF
UNIT J1
4 GND
19M
5
6 35M
7 7M
TO
8 10M
FILTER
9 14M
18M
10 UNIT
11 24M
12 50M
GND
13
J9
5
GND
4
S1 TO
3
S2
ANT-SW
2
S3
UNIT J1
1
S4
J10
1 GND
2 F
3
5V J9
4 TEMP
SPLITR
5 IN
6
DRIV UNIT
7 T13
J3
8 PAF
9
GND
J14
1 12V
2
PW
3 PX
4 PY TUNER UNIT
5
PZ (CONNECT
6 12V
BOARD J1)
7 RW
8
RX
9 RY
10
RZ
J20
1 TU2
2 VHCI
3 CI3B TUNER UNIT
4 CI2B (C-NET
5 CI1B
BOARD J2)
6 GND
7 GND
J19
1 CO1B
2
CO2B TUNER UNIT
3 CO3B
(C-NET
4 VHCO
BOARD J1)
5 TU1
6 GND
J21
1 50M
2 28M
3 21M
TUNER UNIT
4 14M
5 10M (H-NET
6 GND
BOARD J1)
7 NC
8 NC
J22
TUNER UNIT
1 7M
2 35M (L-NET
3 GND
BOARD J1)
J18
(TTRC)
5
TUNER UNIT
(ISTA)
4
3 (IKEY) CPU
(13.8)
2
WRITE
(GND)
1
J17
1 BAL COMBINR
2 GND UNIT J8
3
GND