Read Sharp LB-1085 (serv.man2) Parts Guide online
LB-1085
TROUBLESHOOTING
7 – 6
7 NO SOUND / REPRODUCED SOUND ABNORMALITY
■ MONITOR_ERR_CAUSE LIST
Abnormality
No abnormality
Is the sound volume set to the minimum or mute?
Are the sound settings of the menu proper?
Are the sound settings of the menu proper?
Adjust and set again
No
Yes
Does the sound input match the input selection?
Match the input source.
Abnormality
No abnormality
Is there no abnormality in the sound input signal?
Is there no problem in the cable connection?
Is there no abnormality in the audio cable?
Is there no abnormality in the audio cable?
Replace the abnormal parts.
Abnormality
No abnormality
Is there no abnormality in the sound output cable?
Replace the abnormal parts.
Abnormality
No abnormality
Is there no abnormality in the external speaker and its
related sections?
related sections?
Replace the abnormal parts.
Abnormality
No abnormality
Is there no abnormality in the terminal PWB/SP PWB?
Is there no abnormality in the connection cables and
the connectors?
the connectors?
Is there no abnormality in the speaker cable?
Is there no abnormality in the speaker?
Is there no problem in the speaker impedance?
Is there no abnormality in the speaker?
Is there no problem in the speaker impedance?
Is there no abnormality in the terminal PWB/SP PWB?
Replace the abnormal parts.
Abnormality Replace the abnormal parts.
Is there no abnormality in the main/terminal PWB and
the related sections?
the related sections?
Is there no abnormality in the cables and the connectors?
Is there no abnormality in the main PWB?
Is there no abnormality in the main PWB?
Is there no problem in the cable connection?
Is there no abnormality in the audio cable?
Is there no abnormality in the audio cable?
No.
CAUSE
0
No error
1
6V detection error
2
Panel 5V detection error
3
10V detection error
4
D3.3V detection error
5
VSYNC error
6
Lamp error
8
Main CPU reset cancel - Boot complete command receive time
out
out
9
Boot complete command receive - Time out setting command
receive time out
receive time out
10
Time out setting command receive - Boot cause change com-
mand receive time out
mand receive time out
11
Periodic communication time out
12
Temperature protect
16
Error notification from the main CPU
17
Time out during end sequence
18
TCON ROM error
No.
CAUSE
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