Sony HXC-FB75H Service Manual page 152

3. Check the shading.
Note
Only when deviation is generated, adjust the white shading or V modulation. In this case, no data is stored in the
lens file.
• White Shading Adjustment
Shoot a full-white pattern so that the video level becomes approx. 80 % (560 mV), and then perform the
automatic white shading adjustment or adjust white shading V SAW, V PARA, H SAW, and H PARA for R,
G, and B.
- Automatic white shading adjustment
[MAINTENANCE] → [WHITE SHADING] → [AUTO WHITE SHADING]
- White shading correction
[MAINTENANCE] → [WHITE SHADING] → [V SAW] , [V PARA] , [H SAW] , [H PARA] →
[R/G/B]
• V modulation adjustment
Shoot a full-white pattern so that the lens iris is near F4, zoom position comes to the ring center, and the video
level is approx. 80 % (560 mV), and then fine-adjust the V modulation level for R/G/B/M.
[PAINT] → [VIDEO LEVEL] → [V MOD] → [R/G/B/M]
4. Turn OFF the lens extender.
[OPERATION] → [VF DISPLAY] → [EX] → Set to "OFF"
5. Adjust the white balance and flare balance with the grayscale chart.
(1) White balance adjustment
[MAINTENANCE] → [AUTO SETUP] → [AUTO WHITE]
(2) Flare balance adjustment (Refer to
[PAINT] → [VIDEO LEVEL] → [FLARE] → [R/G/B]
6. Display a center marker.
[OPERATION] → [VF MARKER] → [CENTER] → Set to "ON".
7. Move the lens zoom to set the center marker at a position where the subject does not move.
[FILE] → [LENS FILE] → [CENTER MARKER] → [H POS] , [V POS] , [STORE]
Note
The center marker is not stored by the lens file store, but is stored immediately after adjustment. Note that if the
center marker is changed, it is stored in the lens file even in the normal use.
8. Writing data to lens file.
[FILE] → [LENS FILE] → [STORE FILE]
9. Turn ON the lens extender and repeat steps 5 to 8.
[OPERATION] → [VF DISPLAY] → [EX] → Set to "ON".
Calling
Using OPERATION menu of this unit
Loads the lens file stored in the camera.
1. Select the set lens file.
[FILE] → [LENS FILE] → Select a lens number.
HXC-FB75H/HXC-FB75KC
"6-4-9. Flare Balance Adjustment".)
8-10