Icom IC-703 - Main Unit

• MAIN UNIT
YGR amplifier
(IC101: µPC2709T)
1st mixer
(D701: HSB88WS)
1st IF amplifier
(Q811: 2SK508)
1st IF filter
(FI851: FL-348)
2nd mixer
(D901: HSB88WS)
2nd IF filter
(FI1501: CFWS455E)
2nd IF amplifier
(Q1401: 3SK294)
Noise blancer circuit
VCO circuit
PLL IC
(IC9101: MC145170D2R2)
PLL IC
(IC9601: LC7153M)
A/D converter
(IC5601: BU4052BCF)
AF power amplifier
(IC7301: TDA7233D)
UT-106
Main CPU
(IC5901: M30620FCMGP)
Reset IC
(IC5981: R3112N281A)
DDS IC
(IC9001: AD9833BRM)
D/A converter
(IC6501: M62364FP)
Balanced modulator
(IC1801: TA4107F)
Automatic gain
control circuit
YGR amplifier
(IC101: µPC2709T)
1st mixer
(D701: HSB88WS)
1st IF amplifier
(Q811: 2SK508)
1st IF filter
(FI851: FL-348)
2nd mixer
(D901: HSB88WS)
2nd IF filter
(FI1501: CFWS455E)
2nd IF amplifier
(Q1401: 3SK294)
Noise blancer circuit
VCO circuit
PLL IC *
(IC9101: MC145170D2R2)
PLL IC *
(IC9601: LC7153M)
A/D converter *
(IC5601: BU4052BCF)
AF power amplifier *
(IC7301: TDA7233D)
UT-106
Main CPU
(IC5901:
M30620MCM-1W4GP )
Reset IC
(IC5981: R3112N281A)
* Located under side of the point
DDS IC
(IC9001: AD9833BRM)
D/A converter
(IC6501: M62364FP)
Balanced modulator
(IC1801: TA4107F)
Automatic gain
control circuit
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