Icom ID-51E

2 - 2
• MAIN UNIT
(TOP VIEW)
VCC LINE SW
(Q8)
POWER AMP
(Q45)
3VS LINE REGULATOR
(IC12)
PLL IC (Band A)
(IC6)
DISCRIMINATOR
(Band A)
(X2)
2ND IF FILTER (Band A)
(For DV and FM-N modes)
(FI1)
AGC DETCTOR
(Q903)
2ND IF FILTER (Band A)
(For FM mode)
(FI2)
DISCRIMINATOR
(Band B)
(X900)
PLL IC (Band B)
(IC450)
D/A CONVERTER
(IC952)
ATT
(Q906)
REFERENCE FREQUENCY
OSCILLATOR
(X1)
AM DETECTOR
(Q904)
APC AMP
(IC14)
+5 V REGULATOR
(IC15)
VCC LINE SW
(Q2)
ATT
(Q907)
CURRENT DETECTOR
(IC5)
LOCK VOLTAGE BUFFER
(Q451)
2ND IF FILTER (Band B)
(For FM and AM modes)
(FI900)
+4 V REGULATOR
(IC3)
RF AMP
(Q780)