Operating Logic Led - Samsung PS43D490A1XZN Service Manual

4. Troubleshooting

4.1.4. Operating Logic LED

■ Normal
•
LED ON/OFF for 0.5s
P owe r ON
■ Abnormal
•
LED ON/OFF three times for 8.1s
27Mhz
Exce ption
P LL ON
■ DRV_RESET
•
LED ON for 5s and LED OFF for 2s
4-10
Logic ON S e que nce (P OS )
540 540 540 540 540
ms ms ms ms ms
163 163 163 163 163
ms ms ms ms ms
Norma l Toggling
(e ve ry 32 Vs ync)
-. NT : 534 ms
-. P AL : 640 ms
8 .06
s ec
2 .44
s ec
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