MX-KA6
1-20
Flow of functional operation until TOC read
Slider turns REST
SW ON.
Automatic tuning
of TE offset
Laser ON
Detection of disc
Automatic measurement of
Focus S-curve amplitude
Automatic tuning of
Focus offset
Disc is rotated
Focus servo ON
(Tracking servo ON)
Automatic tuning of
Tracking error balance
Automatic measurement of
Tracking error amplitude
Automatic tuning of
Focus error balance
Disc to be
braked to stop
Tracking
servo
on states
Tracking
servo
off states
Disc states
to rotate
TOC reading
finishes
Automatic measurement
of TE amplitude and
automatic tuning of
TE balance
500mv/div
2ms/div
Fig-1
Approx.3sec
pin 20 of
IC611(TE)
Approx
0.3V
VREF
Tracking error waveform at TOC reading
Power ON
Play Key
Confirm that the Focus error
S-cuve signal at the pin32 of
IC601 is approx.2Vp-p
Confirm that the signal from
pin24 IC601 is 0V as a
accelerated pulse during
approx.400ms.
Confirm the waveform of
the Tracking error signal.
at the pin 20 of IC611 (R643)
(See fig-1)
Automatic tuning of
Focus error gain
Automatic tuning of
Tracking error gain
TOC reading
Play a disc
Confirm the eys-pattern
at the lead of Pin 5 of IC 611
Confirm that the voltage at the pin5
of CN602 is "H"\"L"\"H".
Check Point
Check that the voltage at the
pin40 of IC601 is + 5V?
Summary of Contents for CA-MXKA6
Page 23: ...MX KA6 1 23 1 Pin descriptions 2 Block diagram Optical disc ICs BA5936S IC621 ...
Page 37: ...MX KA6 2 1 A B C D E F G 1 2 3 4 5 Block diagram ...
Page 38: ...MX KA6 2 2 MX KA6 Standard schematic diagrams A B C D E F G 1 2 3 4 5 Main section ...
Page 39: ...MX KA6 2 3 A B C D E F G 1 2 3 4 5 Tuner section ...
Page 40: ...MX KA6 2 4 MX KA6 A B C D E F G 1 2 3 4 5 CD section ...
Page 41: ...MX KA6 2 5 A B C D E F G 1 2 3 4 5 Power Amplifier ...
Page 42: ...MX KA6 2 6 MX KA6 A B C D E F G 1 2 3 4 5 FL Display and CPU control ...
Page 43: ...MX KA6 2 7 A B C D E F G 1 2 3 4 5 Power transformer section ...
Page 44: ...MX KA6 2 8 MX KA6 Printed circuit boards Main top PWB A B C D E F G 1 2 3 4 5 ...
Page 45: ...MX KA6 2 9 A B C D E F G 1 2 3 4 5 Main bottom PWB ...
Page 46: ...MX KA6 2 10 MX KA6 A B C D E F G 1 2 3 4 5 FL Display and CPU TOP ...
Page 47: ...MX KA6 2 11 A B C D E F G 1 2 3 4 5 FL Display and CPU BOTTOM ...
Page 48: ...MX KA6 2 12 MX KA6 A B C 1 2 3 4 5 Power Amp PWB A B C D 1 2 3 4 5 Power trans PWB ...
Page 49: ...MX KA6 M E M O ...
Page 52: ...MX KA6 3 2 M E M O ...
Page 61: ...MX KA6 3 11 M E M O ...