Nikon Coolpix 8700 Repair Manual page 50

15-3. LCD Gain Adjustment
[How to]
1. Adjust LCD "Gain" so that the amplitude of
the CL426 waveform is 4.25 V ± 0.1 Vp-p.
[Note]
This adjustment should be made after completing 15-2. LCD "RGB Offset" adjustment.
15-4. LCD Red Brightness Adjustment
[How to]
1. Adjust LCD "B Bright" so that the amplitude of the CL425 waveform is (VG -0.1) ± 0.1 Vp-p with
respect to the CL426 (VG) waveform.
[Note]
This adjustment should be made after completing 15-2. LCD RGB Offset adjustment and 15-3. LCD Gain
adjustment.
CL426 Waveform
CL426 Waveform
CL425 Waveform
- A30 ･ E8700 -
VAA26001-R.3627.A
4.25V ± 0.1Vp-p
VG
(VG-0.1)±0.1Vp-p