Icom IC-F621 - Page 5

SECTION 2 INSIDE VIEW
2 - 1
(
IC3: RA30H4047M-21 [L]
RA30H4452M-21 [M]-25W, [H]
RA45H4452M-21 [M]-45W
8V regurator
(IC9: TA7808F)
AF power amplifier
(IC8: LA4425A)
CPU 5V regurator*
(IC10: AN78L05M)
VCO circuit
CPU*
(IC20: HD64F2268TF)
Antenna switch/
Low-pass filter circuits
1st mixer*
(Q3: 3SK272)
2nd IF filter
(FI2: ALFYM450F=K)
FM IF IC
(IC1: TA31136FN)
D/A converter
(IC6: M62364FP)
Referance crystal osillator
(X2: CR-671A 15.3 MHz)
PLL IC
(IC4: SA7026DH)
*Located under side of the point.
1st IF filter
FI1:FL-313 [USA], [GEN]
FL-335 [EUR]
( (
Power module