Icom IC-701 User Manual

SECTION 9
INSIDE VIEW
9-1 TOP VIEW
MIMATRIX UNIT
MIORIVER UNIT———————_ on
MLED UNIT
IC1
TA7045M
(Product
detector)
IC4
SN76514
(P.B.TUNE
Mixer)
oie
1C1
TA7O6OP
(Speech
processor limiter)
FL2 (10.75MHz Crystal filter)
IC3 SN76514 (P.B.TUNE Mixer)_—ie
1C5 (Balanced modulator)
IC6 (CW AF band pass filter)
L6 (Matching coil)
FL1 (9.0115MHz Crystal filter—===—e
L5 (Matching coil)
Q39 2SD359 (TX 9V regulator)
BA UNIT
MPA Spf ce)
9-2 PA UNIT
D2 GPO8A
(Bias voltage compensator) Q1 2SC2097 (Power amp)
R13 Thermo-sensor L4 (Balanced transformer)
L1 (Input transformer)
C14
(Bypass capacitor)
Q3 2SD235 L51
(Bias
voltage
driver)
(Output
transformer)
D1 GPO8A
(Bias voltage compensator) Q2 28C2097 (Power amp)
Illumination lamps.
EF (Band switch board)
Q7 28C945
(CW monitoring oscillator)
X1 (9.013MHz BFO crystal)
Q1 2SC2166 (Pre driver)
B UNIT
= —!C2 DP-2 (—9V DC-DC converter)
t
Q2-03 2$C1945X2 (Driver)
X2 (9.010MHz BFO crystal)
L11 (Matching transformer)
IC1 uPC575C2 (AF Power amp)
ee a I ALC UNIT
9-3 VCO UNIT
4 (3.5MHz
L3 (1.8MHz oscillator coil)
oscillator coil) ,
for2 2KS19
Q11 2SK19 a g7(3.5MHz oscillator)
(1.8MHz Oscillatotg | “LS (7MHz
oscillator coil)
1 Q13 2SK19
(7MHz oscillator)
Q5 ~ Q10 JA1050) L6 (14MHz
(DC voltage switch . i oscillator coil)
Q14 2SK19
$f 14MHz oscillator)
~— L7 (21MHz)
oscillator coil)
15 2SK19
21MHz oscillator)
“< ir (28MHz
04 2SC763 “A oscillator coil)
(Buffer) aN
Q3 2SC945 [Me S016 2SK19
(Mute switch) ea eegere} a (28MHz oscillator)
Q2 2SC2053 Q1 2SC763
(Buffer) (Buffer)
atm fe enact tt ot Sank ON asin es cannes eRe eae nab ONe nse feet

Icom IC-701 Specifications

General

Brand	Icom
Model	IC-701
Category	Transceiver
Language	English