Yamaha - DX7 II-D

Below are all the different types of Yamaha. Select the device of your choice, to download the manual

Contents

Upgrade your Yamaha DX7 II D to Yamaha DX7II FD February 2009 By CloudsWalker www cloudswalker com Missing Parts on the Yamaha DX7 II D IC5 Integrated Circuit 16 pin DIL TC40H174P 6 x D Flip flop can be replaced by 74HC174 IC6 Integrated Circuit 14 pin DIL 7405 TTL IC22 Integrated Circuit 28 Pin DIL HM65256BLP12 SRAM can be replaced by HM62256LP12 or equivalent IC23 EPROM 27512 or 27C512 for the new Operating System IC24 Integrated Circuit 28 Pin DIL WD1772 PH 1986 Western Digital Floppy Disk Controller 3 5 inch Floppy Disk with Drive Select 0 H CN1 34 pin Floppy Disk Male Connector 34 pin flat cable between Main Board and Floppy Disk Power cable between Power Supply Board and Floppy Disk Parts collecting 74HC174 is easy to found ...