Sharp PN-L802B (serv.man3) Handy Guide ▷ View online
Troubleshooting
Service Menu 1
Service Menu1 indicates model and
serial number, software versions, and
usage time. This is useful as a general
check.
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Troubleshooting
Service Menu 1
Model and serial number needs to be
loaded onto replacement I/F PWB.
Firm Version(Main) = Main PWB
Check Sum(Main) = Main PWB
Usage Time = Good for tracking Backlight
total time. Enter this time into
replacement I/F PWB.
If only the Integrated Bezel is
malfunctioning, the service menu will not
assist you.
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Service Menu2 is used for (Aging)test
patterns, factory, hardware check and
White Balance Setting. Hardware
check will assist you with most of your
troubleshooting needs.
Troubleshooting
Service Menu 2
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Aging is useful for diagnosing a
defective LCD panel.
Select “AGING” and press right
“Arrow” key on remote control to select
the various test patterns.
These test patterns are generated on
the main PWB.
Troubleshooting
Service Menu 2
Test pattern as shown
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Click on the first or last page to see other PN-L802B (serv.man3) service manuals if exist.