9 - 2
DC OUTPUT
FIL-DC UNIT
R17, R18
IC2A: NJM4558D
DETECTOR
DC FILTER
CIRCUIT
D1, D2:
MUR2060WT
DIODE
TEMPERATURE
DETECTOR
R92
RECTIFICATION
CIRCUIT
CURRENT
Q1-Q4:
REG T1
MTW20N50E
CIRCUIT
INVERTOR
FET
TEMPERATURE
DETECTOR
REG S1
ACT-C
UNIT
REG: L1, L2
CIRCUIT
LPF
Q1-Q3: MTW20N50E
D2: MUR3060WT
ACTIVE FILTER
F1
F2
RL1,
RL3, RL4
R2, R4
F1 F2
4A
REG-RELAY UNIT
D1 D25XB60
CIRCUIT
RUSH
RESTRA INT
FIL-AC UNIT
20A [USA]
15A [EUR, EUR-1]
AC
INPUT
AC FILTER
CIRCUIT
FAN–
REG S1
T3
T4
Q5: 2SK702
Q6: 2SK702
Buff
Buff
E1
E2
INVERTER
CONTROL
CIRCUIT
AMP
Limitter
Q16
RN1202
AMP
SEL
SEL
Q15:
RN1202
IC2B: NJM4558D
CONV-CTRL UNIT
IC1:
µ
PC494C
CONV UNIT
IC6: HA17431PA
IC3: PC111YS
VOLTAGE
DETECTOR
Buffer
GTDRV
Q6: 2SA1020 Y
Q5: 2SC2655 Y
ACTFIL UNIT
SELV
Vrms
IAC
VSENSE
Q7: 2SA1048 GR
ACTIVE FILTER
CONTROL CIRCUIT
IC1: TK83854D
SUB-REG UNIT
Q1: 2SC2458 Y
Q2: 2SD468C
CONNECT UNIT
MAXI
Q8: 2SC2458 Y
Q7: 2AC2458 Y
TEMPERATRE
DETECTOR
Q11: 2SC2458 Y
R15
HEAT SINK
18V Soft start SW
Q6: 2SA1020 Y
18V
12V
D3, D10: SF5S6
D4: SF10SC6
18V Regurator
IC6 PC111YS
IC5: TA78M18S
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RCC
CONTROL
CIRCIT
RCC
T1
IC2 PC111YS
Q1: 2SC4237
Q2: 2SC2655 Y
Q3: 2SC2655 Y
D1: D3SBA60
CIRCUIT
L4, C30, C31
AC FILTER
CIRCUIT
AC100V/200V
Q5: 2SC1815
D9: RD100E B
Q4: 2SC3075
D8: S1VB60
FAN–
SELECT
CIRCUIT
SEL
SELV
HVSA
IC4: PC111YS
IC7: PC111YS
IC3: HA17431PA
RL1
IC1: HA17431PA
TO EX-1900
Q5: 2SC2458 Y
Q6: 2SD468C
MULT
PKLMT
FANV
AC1
E
AC2
AC1
AC2
E
AC1
AC2
E
FAN–
REGF
REGHC
REGT
SEL
MAXI
H12
Id
Vd
12V
9-2 PX-1981 REG UNIT
Summary of Contents for IC-PW1
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 16 VOLTAGE DIAGRAM 18 Mar 2011 ...
Page 24: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 16 Jun 2010 ...
Page 42: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 16 VOLTAGE DIAGRAM 18 Apr 2010 ...
Page 96: ...HF 50 MHz ALL BAND LINEAR AMPLIFIER iC PW1 ...
Page 175: ...MNF F1 EP2 TO REGRELAY BOARD MLF EP1 F2 TO REGRELAY BOARD EP35 I N FG 8 19 FIL AC BOARD 8 20 ...
Page 201: ...A 5449MZ S 3 1999 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Count on us ...