Yamaha DM1000 Faders Replacement

crwdns2936071:01crwdne2936071:0 — Remove wood panels (Assuming you have it)

Remove 5 screws:

crwdns2936071:02crwdne2936071:0 — Remove meter (if you have one)

Remove sub-d connector from bargraph.

crwdns2936071:03crwdne2936071:0 — Remove side panels

Remove 15 screws:

crwdns2936071:04crwdne2936071:0 — Remove fader button + front & back screws

remove 16 + 1 fader with fingers or a with a plastic card.

crwdns2936071:05crwdne2936071:0 — Remove 4 cables before opening

remove carrefully from the side the 2 withe connectors.

crwdns2936071:06crwdne2936071:0 — Opening the console

open carefully the console from back to front by graping the sides.

crwdns2936071:07crwdne2936071:0 — Removing the circuit board

Cut the plastic clamps. Their are 4 clamps in the corners and 1 clamp holding flat cable in place.

crwdns2936071:08crwdne2936071:0 — Removing Fader cover

For each fader remove the 2 blacks screws with a philips #2.

crwdns2936071:09crwdne2936071:0 — Remove cover + fader

remove solder from 4 metal bracket that are fixed to the PCB from the cover.

crwdns2936071:010crwdne2936071:0 — Replace transistors

Replace transistors by new ones.

crwdns2936071:011crwdne2936071:0 — Add more reliability

An idea from web forum from a Yamaha Technician that propose to add 4X 1N4148 diode by fader to protect the transistor. as free wheel.