Tv Set Alignment; G2 Alignment; White Balance; Focus - Daewoo DTX-21G2 Service Manual

3.7 TV SET ALIGNMENT

3.7.1 G2 ALIGNMENT

- Tune a colour bar pattern.
- Find the "G2 – SCREEN" item in service mode.
- Adjust screen volume (on FBT) to bring the cursor to central position(Green).

3.7.2 WHITE BALANCE

- Select a dark picture and adjust RED BIAS and GRN BIAS to the desired colour temperature.
- Select a bright picture and adjust RED, GRN and BLUE GAIN to the desired colour temperature.

3.7.3 FOCUS

Adjust the Focus volume (on FBT) to have the best resolution on screen.

3.7.4 VERTICAL GEOMETRY

Adjust V. LINEAR (linearity), S CORRECT (S. Correction), VERT SIZE (Vertical amplitude),
VERT CENT (vertical centring) to compensate for vertical distortion.

3.7.5 HORIZONTAL PICTURE CENTRING

Adjust HOR CEN (Horizontal centre) to have the picture in the centre of the screen.

3.7.6 AGC

- Make sure option bits are correct for the tuner fitted on the chassis (See above how to change
option bits).
- Adjust the antenna signal level at 62 dBµV
- Tune a colour bar pattern.
- Find the "AGC" item in service mode.
- Press the key "OK" on the remote keypad and wait until AGC level stabilise to the optimum
value.
- Alternatively, use "Vol Up/Dwn" keys to adjust manually to the desired Tuner Take Over Point
(TOP).
CP-520V Service Manual
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