Inside Views - Icom IC-F4101D Service Manual

SECTION 2.
• MAIN-A/MAIN-C UNIT
(TOP VIEW)
APC AMP
(IC1)
TCXO
(X2)
VCO
MIC AMP
(IC64)
3.3 V DC-DC CONVERTER
(IC65)

INSIDE VIEWS

2 - 1
5 V REGULATOR
(IC54)
AF AMP
(IC58)
1ST IF FILTER
(FI2)
PLL CIRCUIT
DISCRIMINATOR
(X1)
2ND IF FILTER (For wide)
(FI3)
2ND IF FILTER (For narrow)
(FI4)
2ND IF FILTER (For digital)
(FI5)
AF AMP
(IC21)