JVC XV-S300BK Service Manual page 24

XV-S300BK/XV-S302SL
(9) Neither picture nor sound is output
1.It is not possible to 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 mechanism etc?
(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?
(11) Others
The image is sometimes blocked, and the image stops.
The image is blocked when going to outer though it is
normal in surroundings in the disk and the stopping
symptom increases.
(12) CD During normal playback operation
a) Is TOC reading normal?
Displays total time
for CD-DA.
Shifts to double-speed
mode for V-CD.
YES
b)Playback possible?
1-24
NO
*--:-- 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.
There is a possibility with bad jitter
value for such a symptom.