JVC TK-1280E - Page 46

TK-1280E/-N180E/-1281EG |
18 | AUTO W/B
adjustment
Vectorscope,
Gray scale,
C10+C8
filter,
W4 + W2
filter,
CC ~12G
filter
IN DOOR
W/B
adjustment
Vectorscope,
Gray scale
MANU, white | Oscilloscope,
balance
circuit Gray scale,
adjutment
Ci2 filter
20 (No. 6647)
VIDEO OUT
VIDEO OUT
VIDEO OUT
R203 (A WB R)
R202 (A WB B)
{FEATURE board]
R21 (R GAIN)
R23 (BGAIN)
[MAT /ENC
board]
R136 (G — Mg)
R122 (R-B)
R127 (R OFFSET)
R130 (R GAIN)
[FEATURE board]
@ VIDEO OUT: 100%
1. Use R203 (A WBR) and R202 (A WB B) to
adjust a rosette of the vectorscope so that
it may come to the center.
. Set the white balance SW to AUTO.
. Use R203 (A WBR) and R202 (A WBB) to
adjust a rosette of the vectorscope so that
it may come to the center.
. Apply each of the C10 + C8, W4+W2, CC
~12G filters and check a white balance is
established. (If not, adjust the white belance
with R21 (R GAIN) and R23 (B GAIN).
. Reset the white balance SW to IN DOOR.
@VIDEO OUT: 100%
1. Connect a vectorscope to the video output.
2. Use R141 (RCTL) and R142 (BCTL) to
adjust a rosette of the vectorscope so that
it may come to the center.
@VIDEO OUT: 100%
1. Connect a waveform monitor, vectorscope
to the video output.
. Set the white balance SW to MANUAL.
. Set R136 (G— Mg) to the center.
. Shoot the gray scale under the 3200°K
light source.
. Adjust the white balance with R122 (R —B)
and R127 (R OFFSET).
. Fit a C12 filter and shoot the gray scale.
. Adjust the white balance with R122 (R - B)
and R130 (R GAIN)
. Repeat steps 4 to 7 once or twice more.
. Reset the white balance SW to IN DOOR.