8. Troubleshooting Flow Chart
No image
appear
Voltage of
P3�0(PWB-0433) at pinNO
LED light upNO3,4 are 5V and pin 7,8Replace PWB-0433
are �2V
YES
END
LED Display isLED display isYES
NONO
greenamber
Replace MCU
I005
Voltage of
YES
P0�0(PWB-0432) at pinNOReplace PWB-0433
28,29,30 are �2V
YES
END
END
Is LVDS cable
YES
atttached firmly at the
LCD panel connector
and PWB-0432Is it entering power
NOsaving mode
YESThe frequence of X00�Replace X00�
NO
and X003 is 24MHzReplace X003
Tighten LVDS cable
at LCD panel
Replace inverter
connector and
YES
PWB-0432
YESEND
Replace MCU
I005
ENDEND
Restasr PC signal to
Replace
NOensure H.V Sync. are not
PWB-0432
absent
ENDEND
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