Icom IC-4088SR Service Manual page 6

SECTION 2
•
MAIN UNIT
EEPROM
(IC300: BR24C02)
+3 Regulator
(IC303: R1121N301B)
•
RF UNIT
TOP VIEW
RF amplifier
(Q1: 2SC4228)
INSIDE VIEWS
TOP VIEW
Audio amplifier
(IC305: NJM2070)
R+3 Regulator
(Q304: 2SA1586)
2nd IF filter
(Fl3: CFWM450G)
Reference oscillator
(X2: CR-669 21.25 MHz)
VCO circuit
BOTTOM VIEW
FM IF IC
(IC1: TA31136FN)
PLL IC
(IC2: UPD3140GS)
2 - 1
T+3 Regulator
(Q308: 2SB798)
CPU
(IC301: PD78F9407AGK)
BOTTOM VIEW
1st IF amplifier
(Q3: 2SC4215)
1st IF amplifier
(Fl2: FL-297)
1st mixer
(Q2: 2SK320)