Icom IC-2730A Service Manual page 8

TX POWER AMP (UHF band)
(IC4)
TX POWER AMP
(VHF band)
(IC3)
+3.3 V REGULATOR
(IC311)
CURRENT DETECTOR IC
(IC310)
+8 V REGULATOR
(IC321)
+8 V REGULATOR
(IC325)
+8 V REGULATOR
(IC313)
• MAIN UNIT
(BOTTOM VIEW)
AF POWER AMP
(IC105)
AF POWER AMP
(IC106)
VOLTAGE DETECTOR IC
(IC324)
VOLTAGE DETECTOR IC
(IC320)
2-3
DISCRIMINATOR (Right band)
(X101)
2ND IF FILTER (Right band)
(FI101)
2ND IF FILTER (Right band)
(FI100)
PLL IC (Right band)
(IC206)
REFERENCE FREQUENCY
OSCILLATOR (Right band)
(X201)
DISCRIMINATOR (Left band)
(X102)
2ND IF FILTER (Left band)
(FI103)
2ND IF FILTER (Left band)
(FI102)
PLL IC (Left band)
(IC201)
REFERENCE FREQUENCY
OSCILLATOR (Left band)
(X200)
AF LINE SW
(IC119)
AF MUTE SW
(IC104)
CPU
(IC300)
+3.3 V REGULATOR
(IC306)
CLOCK OSCILLATOR
(X300)