Sony KP-48V75 Service Manual page 47

KP-48V75/53V75/61V75
RM-Y903
RM-Y903 RM-Y903
GREEN AND RED REGISTRATION ADJUSTMENT
(RRH, RRV)
1. Receive a cross-hatch signal.
2. Adjust so that the red lines lay on the green lines.
Adjust with the same procedure as the GREEN SUB adjust-
ment.
Notes: 1. The main correction is not carried out during
red registration adjustment.
2. Beware. The green adjustment items can be
changed by mistake.
3. Unlike for green, adjust within the range -127
~ +128.
GREEN AND BLUE REGISTRATION ADJUSTMENT
(RBH, RBV)
1. Receive a cross-hatch signal.
2. Adjust so that the blue and green lines are on top of each
other.
Notes :1. The main correction is not carried out during
RED registration adjustment.
2. Beware. The GREEN and RED adjustment
items can be changed by mistake.
3-11. AGC ADJUSTMENT
1. Receive an off-air signal.
2. Adjust the AGC VR ( TU 1001 ) so that there is no snow
noise and cross-modulation.
3-12. WHITE BALANCE ADJUSTMENT
1. Receive the monoscope pattern signal and adjust the picture
quality with the menu.
2. Adjust service mode SBRT so that the signal 30 IRE section
barely glows.
3. Receive the all-white pattern signal.
4. Adjust the white balance with service mode GCUT and
BCUT.
5. Adjust service mode SBRT so that the signal 100 IRE sec-
tion barely glows.
6. Adjust the white balance with service mode GAMP and
BAMP.
7. Repeatedly adjust the white balance for the minimum and
maximum picture settings.
3-13. P IN P WHITE BALANCE ADJUSTMENT
(MU2D, MV2D, SU2D, SV2D)
1. Receive the white pattern signal on both picture.
2. PICTURE : minimum
COLOR : center
BRIGHTNESS : center
TRINTONE : medium
3. Set to P & P ( ) mode, and to service mode.
4. Adjust white balance level of right picture with " MU2D "
and " MV2D ".
5. Adjust white balance level of left picture with " SU2D " and
" SV2D ".
• Make this adjustment after adjusting the MAIN PICTURE
white balance level.
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