Daewoo DTH-14Q1FS Service Manual page 11

§ VERTICAL HIGHT ADJUSTMENT
1. Receive the RETMA PATTERN.
2. Set the user control to AUTO PICTURE ON.
3. Adjust the R301 so that the CENTER of circumference of big circle may meet with the upper and lower sides
of screen.
§ WHITE BALANCE ADJUSTMENT
1.Execute HEAT RUN of the TV SET over 30 minutes with SERVICE REMOCON.
2.Connect the signal output of WHITE BALANCE TESTER (Nitsuki 2840) to the ANTENNA (or VIDEO IN) input
of the TV SET. Stick and fix the SENSOR to the center position of CRT.
3. Adjust the R,G,B BIAS and G,B DRIVE VOLUME in order that R,G,B of the HIGH and LOW BEAM may meet
with the CENTER LED of each measuring instrument.
4. At this time, the memorized coordinates of the WHITE BALANCE TESTER, unless otherwise specified, use
following coordinates and color temperature (PAL:9600K 3~5ftL 265¡¿295 , NTSC: 10850K 3~5ftL 274¡¿289)
§ SUB-BRIGHT ADJUSTMENT
1. Receive the RETMA PATTERN.
2. Set the user control to AUTO PICTURE ON.
3. Turn the SUB-BRIGHT CONTROL VOLUME (R540) and adjust the gradation pattern as shown.
4. The status that the border between 15% and 20% can be distinguished.
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