EPSON Stylus Color 900

Revision C

1.7.3 C265 PSB/PSE Board

There are two types of the C265 power supply board as listed below.

￿C265 PSB board:For America, Japan, part of South east Asia C265 PSE board:The rest of all regions

W A R Never touch the heat sink (radiation plate) on the Q1 with your bare hands as it is not insulated. Otherwise, you will get an electrical shock.

The C265 PSB/PSE board uses the switching regulator system. Since the C265 PSB/PSE board uses the power switch on the secondary side, it keeps applying voltage to the primary side across the T1. Especially, the heat sink to which the Q1 is attached can not be insulated due to the circuit’s formation. Therefore, to avoid an electrical shock, be careful not to touch the heat sink and other metallic parts simultaneously while troubleshooting.

D a n g e r !

I C 5 1 ( + 5 V r e g u la t o r ) T 1 ( TQr1a(nFsE)T )

D 5 1 ( D io d e )

C N 3

C N 2

C N 1

F 1 ( F u s e ) C 1 1 ( f o r s m C 1 ( N o is e c u t c a p a c it o r )

D 5 5 ( D io d e )

L(N1 o s e c)u t r e a c t a

Figure 1-12. C265 PSB/PSE Board

Product Description

Component Layout

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Image 41
Epson SEIJ98006 manual 3 C265 PSB/PSE Board, 12. C265 PSB/PSE Board

SEIJ98006 specifications

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