1-26 (No.YD017)
5.2.6 Spindle CLV NG
•
IC101
-- "30"(ARF-), "31(ARF+).
• Does not the input or the output of driver's spindle signal do the grip?
• Has the tracking been turned on?
• Spindle motor and driver is defective.
• Additionally, "
IC101
and
IC301
" and "Mechanism is defective(jitter)", etc. are thought.
5.2.7 Address read NG
• Besides, the undermentioned cause is thought though specific of the cause is difficult because various factors are thought.
• Mechanism is defective. (jitter)
• IC301
The disc is dirty or the wound has adhered.
5.2.8 Between layers jump NG (double-layer disc only)
Mechanism defective
Defect of driver's IC(
IC201
)
Defect of servo control IC(
IC301
)
5.2.9 Neither picture nor sound is output
(1) It is not possible search
• Has the tracking been turned on?
• To "(5) Tracking ON NG" in "Check points for each error" when the tracking is not normal.
• Is the feed operation normal?
To "(3) traverse movement NG" in "Check points for each error" when it is not normal.Are not there caught of the feeding mech-
anism etc?
5.2.10 Picture is distorted or abnormal sound occurs at intervals of several seconds.
Is the feed operation normal?
Are not there caught of the feeding mechanism etc?
5.2.11 Others
• The image is sometimes blocked, and the image stops.
• The image is blocked when going to outer though it is normal in suroundings in the disk and the stopping sympton increases.
There is a possibility with bad jitter value for such a symptom.
5.2.12 CD During normal playback operation
(1) Is TOC reading normal?
• Displays total time for CD-DA.
• Shifts to double-speed mode for V-CD
(2) Is playback afterwards possible?
(3) When can not do a normal playback
• --:-- is displayed during FL search.
According to [It is not possible to search ] for DVD(9), check the feed and tracking systems.
• No sound is output although the time is displayed.(CA-DA)
DAC, etc, other than servo.
• The passage of time is not stable, or picture is abnormal.(V-CD)
• The wound of the disc and dirt are confirmed.
