Casio LK-127, Руководство по обслуживанию и каталог запасных частей

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LK-127
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B. Remove the PCB UNIT/MAIN
B-1. Unsolder two ribbon cables.
Ribbon cable (LDA2 PCB) Ribbon cable ( KYA2 PCB )
B-2. Unsolder two lead wires and one ribbon cable.
Lead wire (White)
Lead wire (Blue)
Ribbon cable (PSA1 PCB)
B-3. Unsolder two lead wires from the right speaker.
Lead wire (White)
Lead wire (Blue)
B-4. Undo 16 screws and then remove the PCB UNIT/MAIN, four RUBBER KEY, and LCD components.
RUBBER KEY LCD components