SECTION 2
INSIDE VIEW
2 - 1
(
IC3: RA30H4047M [L]
RA30H4452M [M]-25W, [H]
RA45H4452M [M]-45W
8V regurator
(IC9: TA7808F)
AF 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
Содержание IC-F620
Страница 1: ...SERVICE MANUAL UHF TRANSCEIVER iF610 iF620 iF621...
Страница 27: ...SECTION 9 BOARD LAYOUTS 9 1 FRONT UNIT TOP VIEW 9 1 8V 2 8 to microphone 1 7 J1 AFO MICE GND CLO PTT MIC CLI...
Страница 30: ...1 4 8 1 7 14 8 5 12 11 1 1 7 14 8 23 33 22 44 34 1 25 26 50 51 75 76 100 9 4 BOTTOM VIEW MAIN UNIT...
Страница 36: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13817HZ C1U q C 2002 Icom Inc...