Schematic Diagram - Casio JD-4000BK Service Manual

1. SCHEMATIC DIAGRAM

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NOTES:
1. DP1, DP2, and DP3 are the checking
points for the power supply.
2. CP50, CP51, CP52, and DP1 are the
terminals for the data transfer.
3. The other terminals marked with
may be used to function checking.
4. R50 and R51 are not used.