CONTENTS
1. SCHEMATIC DIAGRAM
1-1. Main Board-1 (fx-D400) ...................................................................1
1-2. Main Board-1 (fx-P401) ...................................................................2
1-3. Display Block (fx-D400/P401) .........................................................3
1-4. Main Board-2 (fx-D400/P401) ..........................................................4
2. SPECIFICATION .........................................................................................5
3. OPERATION CHECK ................................................................................6
4. ASSEMBLY VIEW .....................................................................................8
5. PARTS LIST...............................................................................................9