AOC PB20C, Service Manual

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B.Adjust 6500 color-temperature:
1. Set the Contrast of OSD function to 45 and Adjust Brightness to chroma-7120 Y>230 cd/m
2
2. Switch the chroma-7120 to RGB-mode
(with press “MODE” button)
3. Switch the MEM.channel to Channel 02 (with up or down arrow on chroma-7120)
4. The lcd-indicator on chroma-7120 will show x = 313 ± 15, y = 329 ± 15, Y = 250 ± 7 cd/m
2
5. Adjust the Color (user) Mode: RED on OSD window, until chroma 7120 indicator reached the value R=100
6. Adjust the Color (user) Mode: GREEN on OSD window, until chroma-7120 indicator reached the value G=100
7. Adjust the Color (user) Mode: BLUE on OSD window, until chroma-7120 indicator reached the value B=100
8. Repeat above procedure (item 5,6,7) until chroma-7120 RGB value meet the tolerance =100 ± 2
9. Switch the chroma-7120 to xyY mod e with press
“MODE” button
10.Press Color (6500) on OSD window to save the adjustment result
C. Adjust 9300 color-temperature:
1. Set the Contrast of OSD function to 45 and Adjust Brightness to chroma-7120 Y>280 cd/m
2
2. Switch the chroma-7120 to RGB-mode
(with press “MODE” button)
3. Switch the MEM.channel to Channel 03 (with up or down arrow on chroma-7120)
4. The lcd-indicator on chroma-7120 will show x = 283 ± 15, y = 297 ± 15, Y = 290 ± 20 cd/m
2
5. Adjust the Color (user) Mode: RED on OSD window, until chroma 7120 indicator reached the value R=100
6. Adjust the Color (user) Mode: GREEN on OSD window, until chroma-7120 indicator reached the value G=100
7. Adjust the Color (user) Mode: BLUE on OSD window, until chroma-7120 indicator reached the value B=100
8. Repeat above procedure (item 5,6,7) until chroma-7120 RGB value meet the tolerance =100 ± 2
9. Switch the chroma-7120 to
xyY mod e with press
“MODE” button
10. Press Color (9300) on OSD window to save the adjustment result
Turn the POWER-button off to on to quit from factory mode (in USER-mode, the OSD window location was placed
at middle of screen)