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qx10_sound_card — Epson QX-10 Files | Open App Note

qx10

brijohn

Epson QX-10 Files

Components (17)

Reference	Value	Description
U1	YM2149
U2,U8	74LS138
U3,U9	74LS08
U4	74LS245
U5	74LS541
U6	74LS00
U7	74LS86
C1,C2	470uF
C3-C11	.1uF
CN1	Edge Connector
J1	Speakers
J2	Base Address
J3	MPU401
J4	INT Select
R1-R3	3K
R4,R5,R8	1K
R6,R7	1K6

qx10 schematic

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qx10 board