Icom IC-A25C

2-4
• MAIN-A UNIT (BOTTOM VIEW)
1st IF Filter
(FI1: for Wide)
AM/FM Switch (IC2)
PLL IC (IC203)
1st IF Filter
(FI2: for Narrow)
1st IF Amplifier (Q13)
IF IC (IC1)
Reference Oscillator
(X203)
Shift Resistor (IC5)
AF Power Amplifier
(IC221)
RF Amplifier (Q11)
1st Mixer (Q12)
Lowpass Filter (IC223)
Lowpass Filter (IC224)
Lowpass Filter (IC225)
Lowpass Filter (IC226)
Audio Switch (IC228)
VCO Switch (Q57)
Pre-Drive Amplifier
(Q4)