Figure 3-2. Example of S-shape
waveform for the DVD disc
(single layer) MB-78 board
CN303 @P
Figure 3-4. Focus jump waveform
Figure 3-3. Example of S-shape
waveform for the DVD disc
(dual layer) MB-78 board
CN303 @P
F O K
PI
F E
F O U T
Figure 3-5. Example of S-shape
waveform for MB-78 board
board CN303 @P
(Layer) MB-78