Icom IC-PW1 Service Manual page 66

10-6 MAIN UNIT
R155
47 k
8 7 6 5
C111
Q32
0.1 IC28 D76
DTC114EE
TC4W66F 1SS373
CP41
1 2 3 4 R38
R233
CP42 1.2 k 1 M
R223
CP43 47 k D4
R39 4.7 M R234
CP44 1.2 k 1 M
L8, L11–L14: 100 µH
D54 D55
J2 L9, L10 : 10 µH R222 D6
MA77 MA77
L14 47 k 4.7 M
13_1 1 L13
13_2 2
SEND1 L12
3 L11 D7 1SS373
SEND2 4
JACK1 ALC1 5 L10
L9 D8 1SS373
UNIT J9 ALC2 6 L8
CI5 7
FANV 8 RL2
GND 9 AHY103
GND
10 L16
100 µH
C19 C205 0.1
C17 C18 C20 C21 C22
0.0047 0.0047 0.1 0.1 0.1 0.1
CP45
D63 R152
CP46
1SS301 100 k
CP47
D11
D61 D12
J3 L117–L120, L123, L124: 100 µH 1SS301 1SS301 1SS301
L121, L122: HF50ACC322513-B
R51 1 k CK
CLK 1
L117 R50 1 k DATA
FRONT DATA 2 L118
DATK 3 R49 1 k DATK
4 L119
UNIT STR L120 R48 1 k STR
H12 5 L121
(SW BOARD S12 6
L122 R199 1 k
J1) DATA2 7 L123 R200 1 k D13 D14
STR2 8
L124 1SS300 1SS300
GND 9
D62
1SS300 STR2
C222 C223 C224 C225 C226 C227 C228 C229
0.001 0.001 0.001 0.001 0.047 0.047 C206 0.1
0.001 0.001
R197 D26 1SS301
RV-152
22 k
R198
47 k
C237 13.0 V
0.001 C221
L17 10 µ H
0.1
J4 L19 100 µH
Vc RL3
ID 1
L21 100 µH AHY103
VD 2 REGF
REGF 3 R52
REGHC L22 100 µH 10
4 REGHC
MAXI 5
REG UNIT REGT L24 100 µH
6 MAXI
(PX-1981) GND 7 C37
–13V 8 REGT
L25 100 µH 47
GND 9 Ic Q106 R213
H12 10
2SC4116 2.2 k
H12 11 L27 10 µH
SEL 12 13.3 V
C23 C25 C26 C28 C29 C31 C33
0.1 0.1 0.1 0.1 0.1 0.1 0.0047
L107
2943-66663
L108 C210
2943-66663 0.0047
13.5 V
L28 LR-270
C41 R66
R64 6.8 k
0.0047 6.8 k
Q100
DTC114EE C43
680 p R65
47 k
2.6 V
R67 C44
0.1 14 13 12 11 10 9 8
12 k R63 R238 IC1A R1 2.2 M L4
1 M TX: –9.6 V 100 µH
82 k NJM3403AM
R68 TX: 4.6 V RX: 4.2 V
RX: 4.6V
39 k R2 330 k
2 4 D1
1SS373
IC8 1
3
BA9700AF
TX: 2.2 V R3 100 k 11 TX: –14 V L6
RX: 0.3 V 100 µH
1 2 3 4 5 6 7 RX: –14 V
2.0 V R69 10 k
C5
R4 0.1
RV-108 R6
RV-110 C.P
C45 0.001 100 k CP100
100 k D75
12.0 V R5 1SS301
Q101 R241 RV-160
0.3 V
2SB1123 R71 27 k 1 M [USA, EUR]
330
Q109
Q33
R70 0.3 V –14.2 V DTC114EE D74
D15 C48 C49 L35 2SC4116GR 1SS133
330 LR-270 C52 C53
D2FS4 470 470 47 47 D70
1SS373 R229 R228
180 k
C46 C47 L29 C50 C51 10 k
220 1 100 µH 1 1 R9 2.2M
R7 TX: –6.2 V
390 k 6 RX: 4.0 V
R73 1 7
D69 5 TX: –9.3 V
MA77 D2 MA77
IC1B RX: 0.5 V
L30 100 µH R75 100 k
R10 NJM3403AM-T1
C56 C65
390 k
C55 10 R76 IC9A 0.1
0.1 3.9 k 3 8
1 NJM4558M
0 V D71 R37
2 L7 IC1C R13 680 k MA77 82 k
R79 R80 100 µH NJM3403AM
R77 4 10 k
1.2 M C235 TX: –6.8 V
100 k C8 9
J6 L32 R11 0.001 RX: 2.4 V
100 µH 0.1 8
C57 R78 TX: 2.5 V C59 1.2 M 10
TUNER –13R 1 0.1
2 0.1 2.2 k RX: 2.3 V W3 D3
UNIT 5V R85 100 k MA77
PV 3
(DET RV 4
R82 IC9B Q108 R12 R14
GND 5 L31 100 k 120 k
BOARD J1) 100 µH 0 V 4.7 k 5 NJM4558M DTC114E R15
7 RV-150
6 0 V 10 k
R232 R87
47 R86
R83 1 M 10 k R23
C61 R84 100 k
C60 2.2 k 10 k
0.1 R22
0.1 C64 RV-152
0.1 C213 100 k
10
D66
D2FS4
Q27 R192
C54 2SB1119 2.2 k Q28
0.1
DTC114EE
R148
2.2 k
TUNER ON : 4.4 V
R193 TUNER OFF: 0 V
2.2 k
TUNER ON : 13.8 V TUNER ON : 13.0 V TUNER ON : 0 V
TUNER OFF: 0 V TUNER OFF: 13.8 V TUNER OFF: 13.0 V
LEFT SIDE
10 - 6
RX: 0.8 V
9 8
TX: 4.0 V TRC
RX: 4.7 V USA 50MF
D73 IC16D
TX: 0 V
1SS301 µPD4069UBG D18 MA77 [USA]
ACC81
D20 MA77 ASE
BOUT
ACC82
SEND
R53 R54 R55
L15 100 µH 47 k 47 k 47 k
1.0 V R170 S4 S-1010A
C34
0.1 8 100 k ALC1 1 2 ADR0
3
1 1 2 3 ADR1
2 C 4 4
IC4A ADR2
8 5 ADR3 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
4
NJM4558M
4.0 V
R45
C35 R44 220 k ALC2 61
P31(WR) P05(AD5) 40 18MF
0.1 220 k R56 R57 R58 R59 ACC81 62 P32
S3 S-1010A 47 k 47 k 47 k 47 k ACC82 63 P04(AD4) 39 14MF
IC4B P33 P03(AD3) 38 10MF
ADR0 64
1 2 ADR4 P40 P02(AD2) 37 7MF
NJM4558M R171 C 2 3 ADR5 ADR1 65
100 k 1 P41 P01(AD1) 36 35M
5 ALC2 4 4 ADR6 ADR2 66 P42 P00(AD0) 35 19M
7
5 ADR3 67 P43 VCC 34
6 2.0 V 8 ADR4 68
P44 ALE(P83) 33 I1/2
ADR5 69
R47 P45 STBY(P82) 32 SEND
4.0 V ADR6 70 P46 INT0(P81) 31 INT0
R46 220 k 4.2 V 71 IC26
220 k R60 R61 R62 P47 WDTOUT(P80) 30 STR2
47 k 47 k 47 k BOUT 72
P50 TMP90PM38F P77(TXD2) 29 DATA
REGT 73 P51(TO4) P76(SCLK2) 28
L37 100 µH BALA STR
74 P52(TO5) P75(RXD2) 27 DATK
75
VCC EA 26
IC1D 76
P53(INT1/T14) X2 25
R226 NJM3403AM-T1 L113 100 µH 77 P54(INT2/T15) X1 24
0 V 78
470 k C36 VSS VSS 23 9.8304 MHz
KEY 79
13 C216 0.1 P55(WAIT/T01) CLK 22
14 4.2 V 0.1 MAXI 80 P56(INT3/T12) 21
RESET
12
R224
470 k R227 R225 5
C201
100 k 10 k 2 4
R139 R140 12 p L116
10 µH
D67 47 k 47 k
3
1SS373 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
0 V
IC33
L115
TC4S584F 10 µH C108
REGC 0.1
Q107
DTC114 EE
IC5
TA7805F
O
G
C38 C39 C40
0.1 0.1 47
D16
MA77
IC13
S-8054ALB-LM
R116
100 k
Q103
O
G 2SC4116
C88 D17 R115
C87 0.22 MA77 220 k
0.1
IC7 C209
X24C04S8 0.1
L36 1 VCC 8
4.9 V 100 µH A0
R108 R107 2 A1 WC 7
L109 3 SCL 6
4.7 V 100 µH 10 k 10 k A2
4 5
VSS SDA
C13 C211
C214 0.1 IC2A IC31A
0.1 0.1 TX: 4.2 V
R24 NJM4558M NJM4558M RX: 0 V
R201
390 k 3 8 220 k 8
R28 1 k FOR 3
1 FORT
2 1
R25 Q111 R202 2
390 k TX: 2.0 V R206
4 DTC114EU 220 k 4
RX: 0 V R205 1 k
R26
RV-156 Q104 22 k R203
220 k 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
220 k DTC114EE L110
R235 220 k 100 µH
R27 56 k
C231 0.1 R240 R204
IC2B RV-160
R29 56 k C212
390 k NJM4558M 1 M
5 0.1
7 R33 1 k REF
49 P37/RD
6 50
R30 P36/WR
390 k TX: 0.4 V 51
52 P35/SYNC
R31 RX: 0 V IC31B P34
53
RV-158 NJM4558M TX: 0.6 V P33/RESETOUT
470 k R32 56 k 50MF R207 RX: 0 V 54
55 P32/ONW
220 k 5 P31/DA2
REFT 56
7 P30/DA1 IC12
L5 C234 0.1 6 57
100 µH R208 58 VCC M38022M2-138FP
220 k R212 VREF
R209 R210 1 k 59
R35 220 k AV88 P40/INT4
33 k C208 60
68 k C6 61 P67/AN7 P41/INT0
0.1 0.1 P66/AN6
62
R211 63 P65/AN5
100 k P64/AN4
R34 64 P42/INT1
270 k 4 D60 P63/AN3
2 Q105
1 1SS373 ALCM
3 DTC114EE
8
IC3A TX: 2.3 V
R196 C14 12
NJM4558M RX: –0.1 V 0.1
10K IC16F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
µPD4069UBG
13
R97
R237 R133
27 k C236 CNTR0
27 k 1 R98 Q25
R135
33 k
D59 R99 2SC4116
5 1SS373 R97–R100: 47 k
7 BALA R100
6
3.4 V CP1
C204 R137 Q26
R136 R101 IC10
6.8 k IC3B 0.1 10 k C66 2SA1588 IC11
47 k TC4S69F
NJM4558M 10 5 5 TC4S69F
4 2 4 2
R102 R104
270
BALANCE PA1 – PA4: 0 V 10 k 3
3
Q102 R103
1 k
R106
DTC114EE R105 C67
1 k 56 k 0.0047
C107 0.1
TX: 1.1 V
RX: 0 V
140 µS
TX ON 1 14
2 13 0 V
3.4 V
3 12
IC20 W10
4 11
5 10 TC74AC393F
TI4
6 9 IC19
0.6 V
7 8 TD62783AF
SELECTED: 4.7 V
AMP. ON : 4.6 V
AMP. OFF: 0 V UNSELECTED: 0 V
9 VS GND 10
19M 8 O8 11
IN8
35M 7 O7 12
0.1 µS IN7
IC17 X24C01AS-3.0 7MF 6 IN6 O6 13
10MF 5 O5 14
IN5
3.4 V C106 L82 4.8 V C230 14MF 4 IN4 O4 15
100 µH L81 0.1 18MF 3 O3 16
1 A0 VCC 8 0.1 100 µH IN3
2 7 24MF 2 IN2 O2 17
A1 WC 50MF 1 O1 18
3 6 C123 R163 IN1
A2 SCL 0.047 680 D51
0.6 V 4 5 IC30 MA77
VSS SDA
TC7S14FU IC18
SDA C121
R165 C125 R161 0.047 TD62783AF
SCL 100 k 5
0.00 4 2 R162 330 R231
R117 39 k 470 k ANT1 1 O1 18
IC16C 22 k ANT2 IN1 O2 17
5 2 IN2
µPD4069UBG 1 3 0.7 V ANT3 3 O3 16
2 R166 IN3
C122 ANT4 4 IN4 O4 15
3 4 100 k I1/2 5 O5 14
SEND 5 6 R118 470 p IN5
C207 0.51 µS C124 ASE 6 O6 13
22 k R164 R160 D50 R230 7 IN6 O7 12
IC27 0.1 TX ON 0.0047 33 470 k MA77 IN7
10 k R123 8 O8 11
AMP. ON and TX: 4.5 V 4.5 V 1 k IN8
TC4S81F PAF 9 VS GND 10
OTHER: 0 V
Q34 Q35 TUF
2SC2714 2SK302
R124 1 k
0.4 V
C203 R119
D21 Q3 L101 100 µH
0.1 680 k MA77
IC21B 2SB1119
R158 L49 100 µH
X2 14 NJM4558M
2 1 R132 5 100 k
33 k
Q1 7 R172 L100 100 µH
6
7 R120 2.2 k
47 k 2SA1586 R157 D56 C92 C93 C94
1SS373 C126 R159 Q4
IC16A 10 k 100 k 0.1 0.1 0.0047
R121
C202 47 k 0.1 DTC114EE
µPD4069UBG R122
12 p R149
18 k 2.2 k
3 4 D68
1SS373 L76 R173 L52
100 µH 100 µH
Q2 R125 2.2 k
100 k
IC16B 2SC4116 TEMP C90
L51
µPD4069UBG DPO 0.1 PA FAN DRIVE OFF: 0 V 100 µH
PA FAN DRIVE ON: 4.3 V
R194 IC21A TX: 0.5 V
Q36 15 k
NJM4558M 8 RX: 0 V
3 L50
DTC114EE R174 PA FAN OFF: 0 V HF50ACC322513
10 1 2.2 k C232
11 2 R130 Q6 Q5 PA FAN ON: 13.0 V
R126 150 k 0.1
R167 2SB1119
IC16E 1 k 4 DTC114EE R150
R128 470 2.2 k
µPD4069UBG 220 k
L75 C89
100 µH 0.1 PA FAN DRIVE OFF: 13.3 V
R175
R127 560 k PA FAN DRIVE ON: 12.2 V
2.2 k
[TUNER ON] / [AMP. ON] / [TX ON]: 13.3 V
Q7 IC15
OTHER : 0 V
2SB1119 TD62597FN
L54 PW 1 I1 O1 18
R176 HF50ACC322513 2
PX I2 O2 17
2.2 k C233 PY 3 O3 16
10 I3
PZ 4 I4 15
R151 O4
RW 5 I5 O5 14
2.2 k 6 O6 13
RX I6
RY 7 O7 12
I7
Q8 R177 2.2 k RZ 8 I8 O8 11
9 10
DTC114EE GND COM
CI3
CI2
D72
IC14
1SS301
CI1 TD62783AF
CO1 1 O1 18
IN1
2 IN2 O2 17
3 O3 16
IN3
4 O4 15
IN4
CO2 5 IN5 O5 14
CO3 6 IN6 O6 13
7 O7 12
IN7
8 O8 11
IN8
9 VS GND 10
R178
2.2 k Q9
16 µS
2SB1119
50T R141 2.2 k
3.5 V
R186 Q13
2.2 k
Q16 Q20
2SB1119
DTC114EE R179 DTC114EE
2.2 k R145
0.9 V 2.2 k
28T
32 35T
P20/DB0
31 7T R180 Q10 R187
P21/DB1 30 10T 2.2 k
P22/DB2 2.2 k
29 14T 2SB1119
P23/DB3 R142 2.2 k
P24/DB4 28 21T 21T
27 28T
P25/DB5 Q21 R188 Q14
26 50T 2.2 k
P26/DB6 Q17 DTC114EE
P27/DB7 25 C69 R181 2SB1119
24 DTC114EE R146 2.2 k
VSS 15 p 14T 2.2 k
23
XOUT
XIN 22
21 X1 R182
R189
20 6.144 MHz TRC 2.2 k Q11
RESET 19 2.2 k
2SB1119
18 D52 R143 2.2 k
CNV66 C70 10T
17 1SS301
15 p R88 Q22 R190
1 k 2. 2 k Q15
Q18 DTC114EE
2SB1119
DTC114EE R183
R89 7T 2.2 k R147 2.2 k
47 k
C71 C72
R90 Q19 R184 0.1 0.1
R191
330 R91 1 k DTC114EE 2.2 k 2.2 k
IC25 35T R144 2.2 k
Q12
R92 100 k C68 0.1 S-8054ALB-LM 2SB1119
R93 220 k R185
O 2.2 k
R96 G
R94 R95 D27 C110 1 k
470 k MA77 C109
220 k 0.1
0.1
Q30 Q29
R112 R114 2SC4116 2SC4116
R109
D24 47 k 47 k 1 k
R153
RD5.1 M R110
10 k 47 k
R113
100 k
Q23
R111
2SA1586 S5
10 k SW-161
Q24 MAIN UNIT
D23
RD5.1 M 2SC4116
J8
L1 100 µH
1 T13 TO
L2 100 µH FOR
L3 100 µH 2 FILTER
3 REF
UNIT J1
4 GND
5 19M
C1 C2 C3
0.0047 0.0047 0.1 6 35M
AMP. ON and TX: 13.2 V 7 7M
TO
OTHER: 0 V 8 10M
14M FILTER
9
SELECTED: 13.2 V L38–L45 10 18M UNIT
UNSELECTED: 0 V HF50ACC322513-B 11 24M
12 50M
L45
13 GND
L44
L43
L42
L41
L40
L39
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 J9
0.1
5 GND
L48 HF50ACC322513-B
4 S1 TO
L47 HF50ACC322513-B
3 S2
L46 HF50ACC322513-B ANT-SW
2 S3
L111 HF50ACC322513-B 1 UNIT J1
S4
J10
C215 C95 C96 C97
0.1 0.1 0.1 0.1
1 GND
2 F
3 5V J9
4 TEMP
5 SPLITR
IN
6 DRIV
UNIT
7 T13
8 PAF J3
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
L58 1 12V
2
L57 PW
3 PX
L56
4 PY TUNER UNIT
L55
5 PZ (CONNECT
6
L105 12V BOARD J1)
7 RW
L106
8 RX
L104 9
L59 RY
10 RZ
C86
0.1
L60–L67 J20
HF50ACC322513
1 TU2
L67 CI3B 2 VHCI
L66 VHCI 3 CI3B TUNER UNIT
L65 CI2B
4 CI2B (C-NET
L64 CI1B
5 CI1B
L63 6 GND BOARD J2)
L62 7 GND
L61
L60
J19
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 1 CO1B
CO2B
2 CO2B TUNER UNIT
CO3B 3 CO3B
VHCO (C-NET
4 VHCO
BOARD J1)
5 TU1
6
GND
L68–L74
HF50ACC322513 J21
L74
1 50M
L73
2 28M
L72 3 21M
L71
4 14M TUNER UNIT
L70
5 10M (H-NET
L69
6 GND BOARD J1)
L68 7 NC
8 NC
J22
C73 C74 C75 C76 C77
0.1 0.1 0.1 0.1 0.1 TUNER UNIT
1 7M
2 35M (L-NET
3 GND
BOARD J1)
J18
L77 10 µH
5 (TTRC)
L78 10 µH TUNER UNIT
4 (ISTA)
L79 10 µH
3 (IKEY) CPU
L80 2943-666663 (13.8)
2 WRITE
1 (GND)
C112 C113 C114 C115
0.1 0.1 470 p 0.1
J17
1 BAL
2 GND COMBINR
3 GND UNIT J8
RIGHT SIDE