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2 - 1
SECTION 2. INSIDE
VIEWS
• MAIN-A/MAIN-C UNIT
(TOP VIEW)
VCO
5 V REGULATOR
(IC54)
PLL CIRCUIT
APC AMP
(IC1)
TCXO
(X2)
3.3 V DC-DC CONVERTER
(IC65)
MIC AMP
(IC64)
2ND IF FILTER (For wide)
(FI3)
1ST IF FILTER
(FI2)
DISCRIMINATOR
(X1)
2ND IF FILTER (For narrow)
(FI4)
2ND IF FILTER (For digital)
(FI5)
AF AMP
(IC21)
AF AMP
(IC58)