Sharp PN-80TC3 Service Manual

PN-L803C/80TC3 TROUBLESHOOTING 7 - 2
2. THE REMOTE CONTROL DOES NOT WORK
Is the battery power alive?
No abnormality
Consumption
Replace the battery.
Replace the abnormal part.
No abnormality
Abnormality
Abnormality
Check the Main PWB and the related parts for any
abnormality.
- Check the connection cable.
- Check the PWB.
Replace the abnormal part.Check the Key PWB and the related parts for any
abnormality.
- Check the connection cable.
- Any problem with the Key PWB?
3. THE DISPLAY DOES NOT WORK / DISPLAY ABNORMALITY
Check the adjustment and setting for any abnormality.
Readjust and reset with the menu.
Is input selection set to signal input?
Adjust the input source properly.
Replace the graphic board.
Replace the abnormal part.
Is the menu displayed under the signal input state?
Replace the abnormal part.
No abnormality
Yes
No abnormality
Yes
Yes
Abnormality
Abnormality
Abnormality
No
No
No
Digital connection (Displayport) only
- Is the graphic board resolution proper?
Check the video input signal for any abnormality.
- Check the video cable.
- Check that the video cable (HDMI/Displayport) not a
special one (out of support).
- Check that the video signal is not a special one
(out of support).
- Check the connection cable.
- Check the T-CON PWB.
Check the connected devices.
Yes
No
Digital connection (HDMI/Displayport) only
- Check that the connected devices are not special ones
(out of support).
Replace the abnormal part.
Abnormality
No abnormality
- Check the connection cable.
- Check the fuses for breakage.
- Check the PWB.
Check the Main PWB, LCD-TCON PWB and the
related parts for any abnormality.
Check the Main PWB and the related parts.
- Check the connection cable.
- Check the fuses for breakage.
- Check the PWB

Sharp PN-80TC3 Specifications

General

Brand	Sharp
Model	PN-80TC3
Category	Monitor
Language	English