Icom IC-F4261DT Service Manual page 46

1ST IF FILTER
(For FM wide mode)
(FI3)
DISCRIMINATOR
(X4)
2ND IF FILTER
(FI2)
2ND IF FILTER
(For FM narrow and digital modes)
(FI1)
DIGITAL IF AMP
(IC13)
DIGITAL IF FILTER
(FI5)
CLOCK FOR BASEBAND IC
(X1)
BASEBAND IC
(IC4)
CLOCK FOR DTMF DECODER
(X1)
• MAIN-A/B/C UNIT
(TOP VIEW)
AGC AMP
(Q41)
GPS DATA LINE BUFFER
(Q52)
2 - 2
D/A CONVERTER
(IC33)
VCO
+5 V REGULATOR
(IC11)
AF AMP
(IC3)
DIGITAL/ANALOG
MIC LINE SW
(IC7)
ALC AMP
(IC1)
AMP/LPF
(IC12)
FLASH MEMORY
(IC25)