Icom ID-880H

2 - 1
SECTION 2. INSIDE VIEWS
VHF VCO
2ND IF FILTERS
(FI1; LT450HW, FI2; LT450EW)
• MAIN UNIT
MODEM
(IC1012)
OP+5V REGULATOR
(IC1003)
AMB_3.2V REGULATOR
(IC1004)
RESET IC
(IC23)
D/A CONVERTER
(IC8)
MODULATION MUTE SWITCH
(IC9)
AF SW
(IC51)
MIC MUTE SWITCH
(IC30)
1ST IF MIXER CIRCUIT
D/A CONVERTER
(IC1)
EEPROM
(IC22)
LEVEL CONVERTER
(IC46)
AF SWITCH
(IC13)
AF BUFFER
(IC49)
DIGITAL/ANALOG AF LINE SW
(IC11)
UHF VCO
LEVEL CONVERTER
(IC1001)
LEVEL CONVERTER
(IC26)
AF BUFFER
(IC1014)
AF LPF
(IC48)
ELECTRIC VR
(IC66)
IF IC
(IC15)
COOLING FAN DRIVER
(Q123)
1ST IF FILTER
(FI6)
SQUELCH AMP
(IC65)