1-23
MX-K50
Flow of functional operation until TOC read
RESET a CD LSI
LIMIT SW ON
SET Default value of
TE gain, TE balance
Automatic adjusting of
TE offset
Automatic adjusting of
TE gain
Automatic adjusting of
TE balance
Automatic adjusting of
focus bias
Disc is rotated
LASER power ON
Automatic adjusting of
FE offset
Detection of disk
Disc states
to rotate
Approx.3.7sec
Pin 34 of
KB9226
(IC101)
Approx
0.4V
2.50V
Tracking error waveform at TOC reading
Power ON
Play Key
Confirm that the voltage at the
pin37 of KB9226(IC101) is 3.5V.
Confirm that the signal from pin24
of KB9226(IC101) is 3.5V as a
accelerated pulse during
approx.1.96s.
Confirm the waveform of
the Tracking error signal
at the pin 34 of KB9226(IC101).
TOC reading
Play a disc
Confirm the eye-pattern
at the pin2 of KB9226(IC101).
Confirm that the voltage at the pin17
of KB9226(IC101) is "L" "H".
Confirm that the voltage at the pin33
of KB9226(IC101) is "H" "L" "H".
Check Point
