Epson SQ-B50/2550 Technical Manual page 284

REV.-A
A.l.2 SEIPS/SANPSE Board
Table A-9 shows the primary ICs used on the SEIPS/SANPSE board.
Table A-9. SEIPS/SANPSE Board Primary ICs
Location Name
Description
IC 1 L5431-AA Adjustable presision shant regurator
IC20 TL494CN PWM controler
A-26