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SECTION 2
• LOGIC UNIT
RS-232 DRIVER
(IC52: MAX3221)
EEPROM
(IC51: 24LC512)
CPU3V REGULATOR
(IC100: R1150H022)
AF SWITCH
(IC301: TC7W53)
MODEM
(IC501: CMX589)
AF FILTER/IDC
(IC302: LMV324)
AF BUFFER
(IC504: NJM2115)
LINER CODEC
(IC503: AD73311)
DC-DC CONVERTER
(IC101: XC6371A551PR)
INSIDE VIEWS
CPU
(IC1: HD64F2239)
CPU CLOCK
(X1: CR-864)
DC SWITCH
SWITCHING REGULATOR
(Q100: HAT1024R)
(IC102: XC9201C05)
DSP CODEC
(IC506: AMBE-2020)
2 - 1
ANALOG SWITCH
(IC50: CD4066)
DATA I/O INVERTER
(IC33: TC7W04FU)
AF PWR AMP REGULATOR
(Q400: 2SB1201)
AF PWR AMP
(IC400: NJM2070)
SHIFT REGISTER
(IC53: CD4094)
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