Panasonic DLP PT-52DL52 Service Manual page 40

9.7. DG-Board signal level adjustment
9.7.1. HD rough adjustment
1. Input a color bar (1080i) signal.
2. Enter serviceman mode and select HD/PC (GY-G).
3. Using Volume up/down button, adjust so that the data shown on
top right of the screen become E8 (±5).
4. Select HD/PC (GY-OF).
5. Using Volume up/down button, adjust so that the data shown on
top right of the screen become 10.
6. Select HD/PC (PR-G).
7. Using Volume up/down button, adjust so that the data shown on
top right of the screen become E5 (±5).
8. Select HD/PC (PR-OF).
9. Using Volume up/down button, adjust so that the data shown on
top right of the screen become 10 (±5).
10. Select HD/PC (PB-G).
11. Using Volume up/down button, adjust so that the data shown on
top right of the screen become E5 (±5).
12. Select HD/PC (PB-OF).
13. Using Volume up/down button, adjust so that the data shown on
top right of the screen become 10 (±5).
9.7.2. PC adjustment
1. Input a SVGA60 white raster signal.
2. Select HD/PC (GY-G).
3. Using Volume up/down button, adjust so that the data shown on
top right of the screen become E8 (±5).
4. Input a SVGA60 black raster signal.
5. Select HD/PC (GY-OF).
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