Icom IC-F4101D Service Manual page 7

AF AMP
(IC55)
AF POWER AMP
CONTROLLER
(Q63)
AF POWER AMP SW
(Q64)
1ST IF FILTER
(FI1)
1ST IF MIXER
(Q23)
IF DEMODULATOR IC
(IC3)
BUFFER
(Q17)
PLL LOCK VOLTAGE SW
(IC6)
BUFFER
(Q28)
R5 LINE REGULATOR
(Q72)
2ND IF AMP (For digital)
(IC5)
LINEAR CODEC/DSP CLOCK
(X900)
LINEAR CODEC
(IC902)
CLOCK AMP
(IC905)
• MAIN-A/MAIN-C UNIT
(BOTTOM VIEW)
VCC LINE SW
(Q92)
2 - 2
RF AMP
(Q22)
RF AMP GATE BIAS CONTROL
(Q21)
TX POWER AMP
(Q1)
DRIVE AMP
(Q2)
PRE-DRIVE AMP
(Q3)
PRE AMP
(Q4)
PLL BUFFER
(Q9)
RIPPLE FILTER
(Q15)
LPF/BUFFER/VOX AMP
(IC60)
D/A CONVERTER
(IC57)
CPU
(IC51)