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qx10_wd1002_interface_card — Epson QX-10 Files | Open App Note

qx10

brijohn

Epson QX-10 Files

Components (19)

Reference	Value	Description
Q1	Q_NPN_CBE
U1	74LS244
U2	74LS30
U3	74LS245
U4	74LS14
U5	LM339
C1	4.7uf
C2-C8	.1uf
CN1	Edge Connector
J1	Host Interface
J2	PWR
J3	Signal Test
R1	220
R2,R6	4.7k
R5	10k
R7	3k
R8	470k
TP1	INT
TP2	DRQ

qx10 schematic

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qx10 board