Epson Stylus 1500 - Power Supply Board; Figure 1-13. C172 PSB;PSE Board Component Layout

Power Supply Board (C172 PSB/PSE Board)
This board consists of a transformer, switching FET, regulator IC, diode bridge, etc. The board has
two ratings for input AC voltages (120 VAC and 220-240 VAC). The power switch is in the
secondary circuit, allowing the CPU to remain active (20 seconds, minimum) after the printer is
turned off.
Fuse
Switching FET
Regulator IC
Transformer
Diode Bridge
Figure 1-13. C172 PSB/PSE Board Component Layout
Printer Features
1-34 EPSON Stylus 1500 Service Manual