Sony KP-41T65C service manual AGC Adjustment, White Balance Adjustment

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 10 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.

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