Drive Board Troubleshooting - Samsung HPT5054X/XAA Service Manual

Troubleshooting

Drive Board Troubleshooting

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1) Troubleshooting Summary
Condition Name
No Voltage Output Operating Voltage don't exist
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
Sustain Open Some horizontal lines don't exist on screen
Sustain Short Some horizontal lines appear to be linked on screen
Address Open Some vertical lines don't exist on screen
Address Short Some vertical lines appear to be linked on screen
4-8
Description Related Board
PSU
Y-MAIN, X-MAIN, Logic Main
Scan Buffer, FPC of X/Y
Scan Buffer, FPC of X/Y
Logic Main, Logic Buffer, TCP
Logic Main, Logic Buffer, TCP
Samsung Electronics