Casio LK-127 Service Manual & Parts Manual page 11

LK-127
A-3. Turn over the panel unit.
A-4. Unsolder two battery lead wires and two ribbon cables.
Lead wire (Red)
Lead wire (Black)
Ribbon cable (KYA2 PCB) Ribbon cable (LDA2 PCB)
A-5. Remove the panel unit.
PCB UNIT/POWER & AMP PCB UNIT/MAIN
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