Section 2 Inside Views - Icom IC-FR5000 Service Manual Addendum

SECTION 2
Level converter
(IC26)
Optional digital unit slot
CPU clock
(X5)
CPU
(IC20)
TX power AMP
(IC22)
Ref. OSC
(X1)
PLL IC (TX lopp)
(IC3)
INSIDE VIEWS
D/A converter
(IC20)
• MAIN UNIT
(TOP VIEW)
EEPROM
(IC21)
• MAIN UNIT
(BOTTOM VIEW)
TX VCOs
5V regulator (DSP5V line)
(IC39)
1st mixer (DBM)
(D62, L27, 32)
Discriminator
IF IC
(IC5) (X3)
Liner codec
(IC8)
FUNCTION
(IC40)
2 - 1
5V regulator (CPU5V)
(IC30)
Power SW (VCC line)
(Q57)
8V regulator (8V line)
(IC27)
8V regulator (T8V line)
(Q45)
5V regulator (+5V line)
(Q41)
RX VCOs
PLL IC (RX loop)
(IC4)
2nd IF filter (Wide)
(FI1)
2nd IF filter (Narrow)
(FI2)
FUNCTION
(Ref.No.)
AF SW
(IC35)
AF AMP
(IC34)
DSP
(IC12)