Epson FX 1170 Service Manual - Page 39

BOARD ASSEMBLY, Control Panel Circuit Board, Power Supply Circuit Board, BOARD ASSEMBLY

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. REV.-A 1.6.2 BOARD ASSEMBLY, C094 PNL (Control Panel Circuit Board) K'. *" This board functions as the control panel of the FX-870/l 170, and consists of a power switch, three function switches, and three indicator LEDs. Figure 1-13. BOARD ASSEMBLY, C094 PNL (Control Panel Circuit Board) 1.6.3 BOARD ASSEMBLY, C076 PSB/PSE (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. ,.~.. f..; Figure 1-14. BOARD ASSEMBLY, C076 PSB/PSE (Power Supply Circuit Board) 1-30

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.
REV.-A
1.6.2
BOARD ASSEMBLY,
C094
PNL
(Control Panel Circuit Board)
K’.
*“
This board functions as the control panel of the
FX-870/l
170, and consists of a power switch, three function
switches, and three indicator LEDs.
Figure 1-13. BOARD ASSEMBLY,
C094
PNL
(Control Panel Circuit Board)
1.6.3 BOARD ASSEMBLY,
C076
PSB/PSE
(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.
,.~..
f..;
Figure 1-14. BOARD ASSEMBLY,
C076
PSB/PSE
(Power Supply Circuit Board)
1-30