13
D
VF-3400
W
A
VEFORMS
6. LASER POWER CONTROL RELATED SIGNAL
(NO DISC CONDITION)
7. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION)
FIG 6-1
FIG 7-1
FIG 8-1 (DVD)
FIG 8-2 (CD)
21
22
23
MDI1(0V/1
8
0mV)
CD_LD(3.3V//2.3V)
DVD_LD(3.3V/2.3V)
24
25
26
SPINDLE_S(1.4V/1.
8
V)
SP-(3.6V/2.4V)
SP+(3.6V/4.
8
V)
8. FOCUS ON WAVEFORM
27
2
8
29
FOCUS_S
FF+
FF-
FOCUS_S
FF+
FF-
27
2
8
29
Note: Waveform number shows check points in schematic diagram
