Icom PMR446 - Inside Views of Components; Main Unit Component Layout; RF Unit Component Layout

SECTION 2 INSIDE VIEWS
•
MAIN UNIT
2 - 1
•
RF UNIT
T+3 Current amplifier
Q27: 2SC4081
Q28: 2SB798
Q101: UMZ1N
D5: 1SS355
R+3 Current amplifier
(Q18: 2SA1586)
AF amplifier
(IC9: NJM2070M)
EEPROM
(IC3: AT24C02N)
CPU
(IC1: µPD753036GK)
+3 Regurator
(IC6: S-81230SG)
TOP VIEW BOTTOM VIEW
1st mixer
(Q2: 3SK284)
Reference oscilletor
(X1: CR-669 21.25MHz)
PLL IC
(IC1: µPD3140GS)
TOP VIEW BOTTOM VIEW
VCO circuit
FM IF IC
(IC2: TA31136FN)
1st IF filter
(FI2: FL-297)
1st IF amplifier
(Q1: 2SC4215)
2nd IF filter
(FI3: CFWN450G)
RF amplifier
(Q3: 2SC4226)