Troubleshooting
6-8 Samsung Electronics
6-2-7 Drive Board Troubleshooting
1) Troubleshooting Summary
Condition Name Description Related Board
No Voltage Output Operating Voltage don't exist PSU
No Display Operating Voltage exist, but an Image doesn't exist on screen Y-MAIN, X-MAIN, Logic Main, Cable
Abnormal Display Abnormal Image (not open or short) is no screen Y-MAIN, X-MAIN, Logic Main
Sustain Open Some horizontal lines don't exist on screen Scan Buffer, FPC of X/Y
Sustain Short Some horizontal lines appear to be linked on screen Scan Buffer, FPC of X/Y
Address Open Some vertical lines don't exist on screen Logic Main, Logic Buffer, TCP
Address Short Some vertical lines appear to be linked on screen Logic Main, Logic Buffer, TCP
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