![background image](http://html1.mh-extra.com/html/icom/ic-f5121d/ic-f5121d_service-manual_4276699008.webp)
2 - 3
• MAIN UNIT
(BOTTOM VIEW)
VCO
Analog/Digital AF LINE SW
(IC1008)
AF AMP
(IC1004)
REFERENCE FREQUENCY
OSCILLATOR (X2)
+3V LINE REGULATOR
(IC1001)
AF AMP
(IC6)
ELECTRONIC VOLUME IC
(IC1006)
IDC, AF AMP, HPF
(IC1007)
PLL IC
(IC8)
DRIVE AMP
(Q17)
1ST IF MIXER
(Q19)
2ND IF FILTER
(For wide mode)
(FI2)
2ND IF FILTER
(For narrow and digital)
(FI1)
T8 LINE REGULATOR
(Q1011)
+5V LINE REGULATOR
(Q1014)