| 1. | Casio Electronic Keyboard sk-5 User Guide CONTENTS 1 SCHEMATIC DIAGRAM 1 1 PCB M3126 MA1M 1 1 2 PCBM3126 CN1M 2 1 3 PCBM3126 CN2 3 1 4 Keyboard PCB M3129 KY1M 4 2 PCB VIEW amp MAJOR CHECKPOINTS 5 3 MAJOR WAVEFORMS 6 4 BLOCK DIAGRAM 7 5 KEY amp SWITCH MATRIX 8 6 CPU MSM6283 05GS 9 7 PERCUSSION GENERATOR MSM6294 02 11 8 MELODY CIRCUIT 12 9 SAMPLING CIRCUIT 13 10 PERIPHERAL DEVICE ACCESS 14 11 DEMO MUSIC ROM ACCESS 15 12 RESET amp POWER ON OFF DETECTION CIRC |
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