Panasonic CT-27C8G Service Manual page 27

4. Preset the following service DACs for best results:
- BRIGH______________________1 D0
- CUT R______________________02 00
- CUT G______________________02 00
- CUT B______________________02 00
- R DR_______________________07 FF
- B DR_______________________07 FF
PROCEDURE
1. Connect the oscilloscope to KG (CRT-Board).
2. In service mode for making electronic adjustment, select "BRIGH"
DAC.
3. Press RECALL button on the remote control to collapse the raster.
(service SW).
4. Connect oscilloscope to KG on C-Board and adjust service mode
"CUT-G" DAC until 195±2V above DC ground is measured
5. Remove the probe from KG.
6. Turn screen clockwise slowly until color is slightly appeared.
7. Then adjust "CUT R" and "CUT B" until line becomes white.
8. Press RECALL button on the remote to restore the raster.
9. Adjust "R DR" and "B DR" so the white seems like white and black
like black.
10. Apply a normal signal and confirm that the image is normal and a
good gray scale
11. If correction is needed perform minor touch-up method.
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