Icom IC-A25N Service Manual page 46
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Also See for IC-A25N:
- User manual (53 pages) ,
- Basic manual (24 pages) ,
- Navigation manual (4 pages)
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• MAIN-A UNIT (BOTTOM VIEW)
RF Amplifier (Q11)
1st Mixer (Q12)
1st IF Filter
(FI1: for Wide)
1st IF Filter
(FI2: for Narrow)
1st IF Amplifier (Q13)
IF IC (IC1)
Reference Oscillator
AM/FM Switch (IC2)
PLL IC (IC203)
Shift Resistor (IC5)
AF Power Amplifier
(X203)
(IC221)
2-4
Pre-Drive Amplifier
(Q4)
VCO Switch (Q57)
Lowpass Filter (IC223)
Lowpass Filter (IC224)
Lowpass Filter (IC225)
Lowpass Filter (IC226)
Audio Switch (IC228)
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