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T33
MP3 abnormal sound
T34
Audio no waveform (sound) or waveform (sound) abnormal
Earphone Test
T41
Earphone no sound or the sound has pause, abnormal sound, noise, echo
T42
Earphone (right) no sound or the sound has pause, abnormal sound, noise
T43
Earphone (left) no sound or the sound has pause, abnormal sound, noise
Function Key Test
T51
Video can’t be still or stop
T52
Can’t execute fast forward or rewind
T53
Panel button
System Setting Test
T61
Can’t enter the system setting
T62
The system can not be played or it is down after the system is set
TFT Test
T71
TFT image and color error
T72
TFT image is black and white
T73
TFT image shakes and is distorted
T74
TFT PAL color strip
T75
TFT ripple
6.2 Debug & Trouble Shooting
CBA for any missing components and bad soldering
T01
No Power
Main Board
A.
Check for components EC028
E026
EC025
C019
C020 on the Main Board
to see if there are any short circuits.
B.
Check for component J06 on the Main Board and J103 on the Power Board to
see if the pins are straight.
Power Board
A.
Check the components on the Power Board for any burnt marks.
B.
Check components EC105
EC109
EC113 on the Power Board to see if there
are any short circuits.
C.
Check the components L103, L104 on the Power Board for any burnt marks.
D.
If none of the above actions is effective, please change Power Boards.
T02
Power LED indicator not on or insufficient brightness
Main Board
A.
Open the cover of the portable DVD-player to inspect if LED
D901
functions
normally.
