Flow of functional operation until TOC read (MD section)
Power ON
MD play Key
Slider turns REST
switch ON
Mechanism operation ON
Laser ON
Disc detection
Automatic tuning of
Focus S-curve amplitude
Disc is rotated
Focus servo ON
(Tracking servo ON)
Automatic tuning of
Focus error gain
Automatic tuning of
Tracking error gain
TOC reading
Play a disc
Check point
Confirm that the voltage
at the pin 9 of CN408 are
0V.
Confirm that the voltage
at the pin 50 of IC500 are 4V.
Confirm that the Focus error
S-curve signal at the pin 34 of
IC310 is approx.2Vp-p.
It is confirmed that pin 2 of CN408
become 0V from VREF as an acceleration
pulse between about 400ms.
Confirm that the eye-pattern
at the pin38 of IC310.
CA-MXS6MDR
SP-MXS6MD
1-37