Casio PX-330BK User Manual

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Removing the sub PCB (M900-PSA1)
1. Remove three screws next to the MIDI jack on the back of the main unit.
2. Remove the jack-bracket.
Jack-bracket
3. Remove six connectors.
Connector (Right speaker) Connector (Left speaker)
Connector (Left Tweeter)
Connector (Power switch)
Connector (Right Tweeter)
Connector (M900-HPA1)

Casio PX-330BK Specifications

General

Brand	Casio
Model	PX-330BK
Category	Electronic Keyboard
Language	English