Nikon VBA23001 Repair Manual page 188

⑥ Sensitivity ratio adjustment
Using the shutter tester (LV9 equiv.) and tool lens (F5.6), the adjustment is made so that the R/G, B/G output
becomes the same as the output ratio of the sensitivity ratio reference value that was calculated by the reference
body. The adjustment is made only under the condition of ISO200, and the average value of (425 pixels × 425
pixels) which was deviated from the center by 425 pixels is used.
Device
⑦ Image shutter inspection and adjustment
Based on the 1/60 sec. data of LV9, fine-tune the 1/4000 sec. data of LV15.
Device
Pixel defect compensation - black point
⑧
Using the color viewer (LV13 equiv.) and tool lens (F5.6), pictures are taken. When pixels of which the output
level is under specified value are detected, the coordinates of the detected pixels are additionally written as pixel
defect compensation data.
Device
Pixel defect compensation - white point
⑨
Pictures are taken on the blackout surface (against dark background). In case the pixel output is found to
be beyond the standard value, the detected pixel coordinates are additionally written as the pixel defect
compensation data.
Device
J19123
SHUTTER TESTER EF-1(CE)
J19123
SHUTTER TESTER EF-1(CE)
J63070
COLOR VIEWER
BODY CAP
- A106 ･ D90 -
J61185
D1 STANDARD LENS
J61185
D1 STANDARD LENS
J61185
D1 STANDARD LENS
INC
VBA23001-R.3762.A