Daewoo DTH-20D5FSN Service Manual page 9

Chassis : cm-220n
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ALIGNMENT INSTRUCTIONS
4-3. Vertical Size Adjustment
Select "V.SIZE" item, adjust "V.SIZE" data value to proper vertical size as follows.
5) WHITE BALANCE ADJUSTMENT (S8)
Receive a good local channel.
Enter the service mode and select service adjustment S8.
You can see the OSD as shown in below.
Using volume up or volume down, adjust service adjustment data of RD/GD/BD and RB/GB/BB until a good gray
scale with normal whites is obtained. ALIGNMENT INSTRUCTIONS
Press the DISPLAY button to memorize the data.
6) DIGITAL PRESET(D.P) ADJUSTMENTS (S9)
SUBBRIGHTNESS ADJUSTMENT
Receive a good local channel.
Enter the service mode and select service adjustment S9.
You can see the OSD as shoown in below.
8

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