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  1. Yamaha DM1000 Faders Replacement, Remove wood  panels (Assuming you have it): passo 1, immagine 1 di 2 Yamaha DM1000 Faders Replacement, Remove wood  panels (Assuming you have it): passo 1, immagine 2 di 2
    • Remove 5 screws:

    • Three screws for the lower part

    • Two screws for the upper part

    • Use a #4 Phillips screwdriver.

  2. Yamaha DM1000 Faders Replacement, Remove meter (if you have one): passo 2, immagine 1 di 2 Yamaha DM1000 Faders Replacement, Remove meter (if you have one): passo 2, immagine 2 di 2
    • Remove sub-d connector from bargraph.

    • Remove 4 screws (2shorts/2 long) from metal bracket and mixing desk.

  3. Yamaha DM1000 Faders Replacement, Remove side panels: passo 3, immagine 1 di 1
    • Remove 15 screws:

    • Remove 1 smaller screw

    • remove Phillip screw #2

    • Attention: these are self-tapping screws => risk of creating chips when screwing.

  4. Yamaha DM1000 Faders Replacement, Remove fader button + front & back screws: passo 4, immagine 1 di 3 Yamaha DM1000 Faders Replacement, Remove fader button + front & back screws: passo 4, immagine 2 di 3 Yamaha DM1000 Faders Replacement, Remove fader button + front & back screws: passo 4, immagine 3 di 3
    • remove 16 + 1 fader with fingers or a with a plastic card.

    • remove 4 screws at the back.

    • remove 4 screws at the front (bad pic here).

  5. Yamaha DM1000 Faders Replacement, Remove 4 cables before opening: passo 5, immagine 1 di 2 Yamaha DM1000 Faders Replacement, Remove 4 cables before opening: passo 5, immagine 2 di 2
    • remove carrefully from the side the 2 withe connectors.

    • remove carrefully 2 cables from the power unit, unlock first the connector.

  6. Yamaha DM1000 Faders Replacement, Opening the  console: passo 6, immagine 1 di 3 Yamaha DM1000 Faders Replacement, Opening the  console: passo 6, immagine 2 di 3 Yamaha DM1000 Faders Replacement, Opening the  console: passo 6, immagine 3 di 3
    • open carefully the console from back to front by graping the sides.

    • open connectors and remove 5 cables.

    • you can now remove the upper part of the console.

  7. Yamaha DM1000 Faders Replacement, Removing the circuit board: passo 7, immagine 1 di 3 Yamaha DM1000 Faders Replacement, Removing the circuit board: passo 7, immagine 2 di 3 Yamaha DM1000 Faders Replacement, Removing the circuit board: passo 7, immagine 3 di 3
    • Cut the plastic clamps. Their are 4 clamps in the corners and 1 clamp holding flat cable in place.

    • Unscrew the 10 screws with a Phillips #2 screwdriver.

  8. Yamaha DM1000 Faders Replacement, Removing Fader  cover: passo 8, immagine 1 di 1
    • For each fader remove the 2 blacks screws with a philips #2.

  9. Yamaha DM1000 Faders Replacement, Remove  cover + fader: passo 9, immagine 1 di 2 Yamaha DM1000 Faders Replacement, Remove  cover + fader: passo 9, immagine 2 di 2
    • remove solder from 4 metal bracket that are fixed to the PCB from the cover.

    • remove solder with a pump from 6 pin of the fader.

    • remove solder from the 2 pin of the motor of the fader.

  10. Yamaha DM1000 Faders Replacement, Replace transistors: passo 10, immagine 1 di 1
    • Replace transistors by new ones.

    • 2SB1181.

    • 2SD1733.

    • they are hard to find as the are being obsolete.

  11. Yamaha DM1000 Faders Replacement, Add more  reliability: passo 11, immagine 1 di 1
    • 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.

    • add diode between base and collector as show here.

Conclusione

To reassemble your device follow the following instructions in reverse order.

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F. Jeanneret

Membro da: 27/12/2017

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