Daewoo DTD-29U9WPT, Service Manual

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2. SCREEN & FOCUS ADJUSTMENTS
2-1. SCREEN ADJUSTMENT
1) Pattern : PAL B/G Retma
2) Press the key to set the "STANDARD" mode.
3) Connect the probe of Oscilloscope J914 of B-input and check the
below measurement pulse.
(Time : 5msec/DIV, Voltage : DC 1V/DIV)
4) Adjust the SCREEN VOLUME on FBT so that the measurement pulse
voltage to be 3.1V.
2-2. FOCUS ADJUSTMENT
1) Pattern : Cross Hatch
2) Adjust the FOCUS TOP VOLUME(" H " remark) on FBT
so that horizontal second line will be appeared clearly.[Dynamic focus adjustment]
Adjust the FOCUS BOTTOM VOLUME(" V " remark) on FBT
so that vertical second line will be appeared clearly.[Static focus adjustment]
2-3. WHITE BALANCE ADJUSTMENT
1) Press the key to set the "STANDARD" mode.
2) Press the ’S7’ key of Service Remocon to enter the "White Balance" mode.
3) Set each R, G, B level to be center(32step) using the ’VOLUME UP’, ’VOLUME DOWN’ keys.
4) Set the reference of MINOLTA(Chroma analyzer) to be "B".
5) At high beam, set each R, G, B level to be center using the ’VOLUME UP’,’VOLUME DOWN’ keys.
6) Adjust the reference to be X=0.288, Y=0.30
Time : 5msec/DIV, Voltage : DC 1V/DIV