Epson LQ 1050 Technical Manual - Page 187
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A.1 IC DESCRIPTIONS This section describes the primary ICS used in the FX-850/1050. Table A-1. IC List (PEGX Board) IC Name wPD7810HG E05A15HA E05A16GA HM6264ALSP-15 STK6722H NJ M2355 Description Main CPU Gate Array Gate Array ST-RAM 64K bit Hybrid IC Switching Regulator Part Number X4000780 10 Y46 1800002 Y46 1800003 X400662647 X4406722 10 X440072350 IC Location 4B 3A 7A 5A, 6A 2A 1A Transistor Name 2SC3987 2SA1 450 2SC3748 2SC3746 2SB765K 2SB1318 2SD560 (4) 2SC18 15 2SA1O 15 Table A-2 Transistor List I Description j 6O+1OV, 3A, 2W I Part Number ] X302398709 \ 80V,500mA,600mW I X300145009 I 60V, 1 0 A I X302374809 I 60V, 5 A I X302374609 I 120V, 3 A , 1.5W I X301 O7653O I 100V, 3A, 1.2W I X301131809 I 120V, 5A, 1.5W I X303056009 I 60V, 150mA, 400mW I X 3 0 2 1 8 1 5 8 9 I 5 0 V , 150mA, 400mW I X3 O O1 O 1 5O 9 I Location I Q1-Q9, Q16 I Q1O, 12 I Qll I Q13 I Q15 I Q17 I Q18-Q21 ] Q22, Q25, Q 3 0 I Q23, Q 2 4 A-1
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