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4. Troubleshooting
Diagnostics
Caution
Make sure to disconnect the power before working on the IP board.
4-6
Check 'Power of main IC(B1.15V)'
Check 'Power of DDR IC(B1.5V)' appear
at B1.15V(L202), B1.5V(IC204 #2)
Yes
Check 'Power of LVDS (13V)' appear at
TP-PANEL_VCC?
13V (TP-PANEL_VCC)
Yes
Change the LVDS cable ?
Cause : There is proble at
DCDC(IC203)/LDO(IC204).
No
Measure : Change the Main Assy.
Cause : There is proble at
FET(Q201_60) or Main
IC(NT13N) did not control the
No
SW_PVCC.
Measure : Change the Main Assy.
No
Change the Panel.
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