Dsp-A/Dsp-B Boards; Dsp-Tx Board - Icom IC-7800 Service Manual Addendum

2-6 DSP-A/DSP-B BOARDS

Analog switch Analog switch
(IC331: TC7W53FK) (IC331: TC7W53FK)
A/D converter A/D converter [IF]
(IC401: AK5394A) (IC401: AK5394A)
Clock amplifier Clock amplifier circuit
IC451: TC7S04FU IC451: TC7S04FU
IC452: SN74LVC1GU04DCKR IC452: SN74LVC1GU04DCKR

2-7 DSP-TX BOARD

A/D converter [AF] A/D converter
(IC401: AK5394A)
(IC401: AK5394A)
Clock amplifier circuit
IC451: TC7S04FU
IC452: SN74LVC1GU04DCKR
2 - 4
D/A converter D/A converter [AF]
(IC551: AK4394) (IC551: AK4394)
D/A converter [AGC] D/A converter
(IC771: BU9480F) (IC771: BU9480F)
DSP IC DSP IC
(IC1: TMS320C6713GFN) (IC1: TMS320C6713GFN)
D/A converter [IF] D/A converter
(IC551: AK4394)
(IC551: AD1855JRS)
DSP IC DSP IC
(IC1: TMS320C6713GFN) (IC1: TMS320C6713GFN)