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42PD7200 (PW2)
8. Self-Diagnosis Function
This chassis has 2 modes of self-diagnosis function. (1) PDP panel check mode: It indicates the one latest record of the PDP panel failure with blinking of the power indication light (LED). (2) Signal circuit check mode: It indicates the check result on some points of the signal circuit and the history of them with On-Screen Display (OSD).
PDP panel self-diagnosis function
This function is for a PDP panel failure with no picture. To enter to this Self-Diagnosis mode, follow the next steps: Preparation: 1) The Power Cord should be connected to AC line and the Main Power switch should be turned on. 2) Turn the power off by the SUB-POWER( ) button of the monitor or the remote control. Procedure: 1) Press the SUB-POWER( ) button and button on the bottom of the monitor at the same time, and keep it for more than 5 seconds after the power turned on. 2) It generates red blinking series of the power indicator light. 3) Any operation would cancel the Self -Diagnosis mode. 4) The next table shows the PDP PWB in which failure most probably would be allocated according to the number of blinks.
Number of red blinks of power indication light 1 2 3 4 5 6 7 8 Presumed failing PWB of PDP panel Logic X-SUS Y-SUS, SDM X-SUS, Y-SUS, SDM, PSU ABUS, ADM, PSU ADM temperature ADM temperature All of above-mentioned PWB�s [Blinking condition of power indication light] Ex. 2 blinks
Note) SDM is permanently contacted to glass part
SDM: Scan Driver Module PSU: Power Supply Unit ADM: Address Driver Module
1 sec
1 sec
2 sec OFF
Repeat
36
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