AIWA TV-SX2175
Instrukcja Serwisowa

PAGE 2 White Balance Adjustment : Adjustment Menu No. 19-24 (PAGE 2 - 1 to 5)
Input signal : White raster Contents of Adjustment : 1. R Contents of Adjustment : 2. G Contents of Adjustment : 3. B Contents of Adjustment : 4. G 5. B Contents of Adjustment CUT OFF CUT OFF CUT OFF DRIVE DRIVE

* More than 20 minutes of aging is required before the adjustment. * The whole process should be repeated several times for the adjustment.

Measuring instrument : Pattern generator

Cut Off Adjustment :
2-1. Use the pattern generator to input the white raster signal. 2-2. Using the volume keys on the jig remote controller, fix the figure of the strongest color on the screen to 7F and adjust the other 2 cut off figures until a white picture appears on the screen. (Fig.2-1)

Drive Adjustment :
2-3. 2-4. 2-5. 2-6. 2-7. Using the volume keys on the jig remote controller, bring the figure of the 4. G DRIVE up till the color becomes greenish. Then reduce the numeric figure to the point where the greenish color disappears completely. Use the volume keys on the jig remote controller to increase the numeric figure of the 5. B DRIVE up till the color becomes bluish. Then reduce the numeric figure to the point where the bluish color disappears completely. Repeat the process of 2-1 to 2-6 for several times and adjust for whiter look.

2-2. BRIGHT Sub-brightness Adjustment Adjustment Menu No.24 (Page 2-6) Input signal : Stair step Measuring instrument: Pattern generator 1. Using the volume keys on the jig remote controller, adjust the scale of the second last from right to be slightly brightened. (Fig. 2-2)

PAGE 2

SUB BRIGHT Fig. 2-2

20 2nd from right

Focus Adjustment :
Input signal : Dot pattern Adjustment point : SFR located at upper part of FBT (T601) Measuring instrument : Pattern generator � Adjust SFR which is located at upper part of FBT (T601) in order to get the best focus for the dot.

Screen Adjustment :
Input signal : No signal (No Raster) Adjustment point : SFR located at lower part of FBT (T601) 1. Enter to the �Aging Mode Screen� by pressing �TEST� key on the jig remote controller once. 2. Press �10� key of the numeric channel keypad to get a horizontal single line screen. (Fig. 2-3) 3. Adjust SFR located at lower part of FBT (T601) until the horizontal line starts to be slightly brightened. 4. Repeat the process of step 2 and return to the �Adjustment Menu Screen�.

Fig. 2-3

� 41 �