FujiFilm FM-DP L Service Manual page 161

INSTALLATION APPENDIX 1 SETTING, CONNECTING, ADJUSTING THE IMAGE I/F BOARD
<NOTES>
• Never tamper with trimmers other than specified above.
• Be sure to measure one vertical interval with a specified gray scale signal
generated.
• When the "setup" is zero, align the GND line to the pedestal level. When
the "setup" is not zero, align the GND line to the black level.
(2) Adjust GAIN with trimmer R302.
When the "setup" is zero
GND
–2V
When the "setup" is not zero
GND
–2V
<NOTES>
• Never tamper with trimmers other than specified above.
• Be sure to measure one vertical interval with a specified gray scale signal
generated.
• The character or other signal level may overshoot the white level.
However, be sure to adjust the white level to -2V.
• If this adjustment is not made properly, optimum gradation conditions will
not be obtained.
006-252-01
06.15.99 FM2514
Pedestal level = Black level
Correct
Pedestal level
Black level
Correct
Incorrect
Incorrect
FM-DP L Service Manual
BA1-28
Incorrect
Incorrect
FP3B0929.EPS
BA1-28