SM-300 Service Manual
49
5. ASSEMBLY / DISASSEMBLY
5.1 Bench and Pole Type
5.1.1 Top Cover
1. Remove the platter. 2. Remove the platter support by
loosens 4 screws at the platter
support. Also loosen the other 6
screws, which located at 4
corners and the other 2 screws
at the downside front panel.
3. Carry the cover up then
unplugs the keyboard connector
from main board and also the
display connectors from the
display board at the cover.
Remove the cover.
5.1.2 Circuit Board
5.1.2.1 Display Board for Bench
1. The display board and the
keyboard is inside the main
cover. Loosen all the screws,
which in the red circles.
2. Take out the display board
from the cover and loosen 4
screws shown as above.
6. Please handle out the display
board with care.
7. This is the front view of the
display board.
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