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C094
PNL Board Assembly (Control Panel Circuit Board)
This
boardis
the control panel
ofthe
F’X-870/1170,
consisting of a power button, three
function buttons, and three indicator
LEDs.
Figure
1-13. CO94
PNL
Board
Assembly
(Control
Panel
Circuit
Board)
CO76
PSB
Board
Assembly
(Power
Supply
Circuit
Board)
This board is composed of an input filter circuit, a transforming circuit, a switching
regulator circuit, a rectifying circuit, a smoothing circuit, and various protecting
circuits.
Figure
1-14. CO76
PSB
Board
Assembly
(Power
Supply
Circuit
Board)
1-30
Epson FX-87011170