Oscilloscope Test Pattern Signal

Refer to Description below

Note:

TP3501, TP3502, TP3503: Main PWB Supply Gray Scale Pattern Signal (3 scales). Connect the oscilloscope to TP3501. Press ▲ or ▼ button on remote control to select "R BRIGHT". Press 2 or 3 button so that Black level becomes the same as OSD(On Screen Display) Black level. Select "R LEVEL', and press 2 or 3 button so that White level becomes the same as OSD White level. Connect the oscilloscope to TP3502. Press ▲ or ▼ button on remote control to select "G BRIGHT". Press 2 or 3 button so that Black level becomes the same as OSD Black level.

Select "G LEVEL", and press 2 or 3 button so that White level becomes the same as OSD White level.

10. Connect the oscilloscope to TP3503.

11. Press ▲ or ▼ button on remote control to select "B BRIGHT".

12. Press 2 or 3 button so that Black level becomes the same as OSD Black level.

13. Select "B LEVEL", and press 2 or 3 button so that White level becomes the same as OSD White level.

Note:

TP1904, TP1907: MAIN PWB

1. Connect the DVM (Digital Volt Meter) to TP1904.

2. Press button on the remote control to select "15.3V".

3. Press 2 or 3 button so that the voltage shown in the display of DVM is 15.3 V ± 0.05 V DC.

3.4.2. RGB INPUT LEVEL ADJUSTMENT ("BRIGHT","LEVEL"ADUSTMENT)

Purpose:

To set the optimum signal level. Symptom of Misadjustment:

The picture will be too light or too dark.

Fig. 3-4-7
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