PSR Keyboards (11 Boards) > PSR-S950/S750/S650 (SFF2)

psrs550 organ fall on the flor

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moshe israeli:
after the organ fell on the flor it don't light up all the knobs but the organ plays only with the sound of piano
I am an techition I understand circutes and in the service manual .
any one can give me an advice how to fix it ??

Duurduur:
I think maybe one or more of the flatcables inside are no more connected.

moshe israeli:
thank you very mutch  I will try to look for this.

moshe israeli:
can I check this with a multitester??

overover:
Hi moshe israeli,

here you can download the S550 Service Manual:

https://psrtutorial.com/lessons/workshops/ServiceManuals.html


Maybe only an internal multi-pin connector has "slipped apart".

I would check first the cables/connectors from/to the boards "PNL", "PNC" and "PNR" (pages 68/69 in Service Manual).


Best regards,
Chris

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