Icom IC-701

9-4 BOTTOM VIEW
BEF (Wiring board)
MBEF (Connector board)
J1 (to Front panel)
R6 (Photo chopper adjust)
J6 (to PA UNIT)
J2 (to Front panel)
J3 (to ACC socket)
FL1 (9.0115MHz crystal filter)
EF (HPF board)
J4 (to ACC socket)
015 ~ 019 3SK40's eee BONS Se eee
= oe i & = = > My eee J2 (VCO input)
PES Fo ‘ om anes — J1 (IF input/output)
MEPLL UNIT
EF (LPF board)
‘L39
(IF
trap
coil)
RELAY
SWITCH
UNIT
J2 (to DRIVER UNIT)
Vco UNIT
ii
_
nn
UNIT
(REG
board)
Fan motor
HEPA UNIT (Thermo board}
J3 (to DRIVER UNIT)
R46 (Shunt for ammeter) J3 (ANT input)
9-5 PLL UNIT
C108 (5.000MHz frequency adjust) 5 IC1 SC-3062A (PLL LSI)
IC10 2 PD4030
(POC signal generator)
IC2 NJM4558D
(Level converter)
X8 5.000MHz
(Reference
freq
crystal)
a
apatee
eee
buffer)
X7
15.0754MHz
(VXO
crystal)
——_—_
IC4
4
PD4030
(D/A converter buffer)
IC7 SN76514 (PLL 2nd Mixer)
(PLL loop filter)
IC6 SN76514 (PLL 1st Mixer)
L16, L17 (45MHz band pass filter)
L13, L14 (IF band pass filter)
X1 27.125MHz
(1.8MHz band crystal)
X2 28.125MHz
(3.5MHz band crystal)
X3 30.125MHz
(7MHz band crystal)
X6 40.625MHz
(28MHz band crystal)
X5 37.125MHz
(21MHz band crystal)
X4 33.625MHz
(14MHz band crystal)
AACR NS tap Se on a AN a RAN SLANE ALRNet a Sensi iN InN ont HRM