Icom IC-F4261DT Service Manual page 47

• MAIN-A/B/C UNIT
(BOTTOM VIEW)
RIPPLE FILTER
(Q24)
VCO SW
(Q36)
VCO SW
(Q35)
VCO SW
(Q37)
LV SW
(Q25)
PLL IC
(IC14)
TCXO
(X3)
D/A CONVERTER
(IC9)
DC/DC CONVERTER
(IC32)
REFERENCE
MODULATION AMP
(IC5)
A/D CONVERTER
(IC22)
DATA LINE BUFFER
(IC28)
CLOCK AMP
(IC29)
DSP
(IC24)
+3.3 V REGULATOR
(IC2)
DATA LINE BUFFER
(IC27)
2 - 3
1ST IF FILTER
(For FM narrow and
digital modes)
(FI4)
IF IC
(IC15)
TRIPLER
(Q21)
LOCK VOLTAGE BUFFER
(Q22)
TONE AMP
(Q2)
AF SW
(IC8)
DE-EMPHASIS
(IC6)
DTMF DECODER
(IC10)
LINEAR CODEC
(IC23)
AF AMP
(IC18)
EEPROM
(IC36)
AF SW
(IC17 )
CPU
(IC35)