Service manual

CP-850FX Service Manual
Europe R&D
16
3.4 TV SET ALIGNMENT
3.4.1 LOCAL OSCILLATOR ALIGNMENT
Tune a colour bar pattern. The frequency of the signal carrier must be accurate ( Max +/- 10KHz
deviation from the nominal channel frequency).
Find “AFT” item in service mode.
Adjust the coil L150 to bring the cursor to central position : 32.
3.4.2 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 : 32.
3.4.3 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.
3.4.4 FOCUS
Adjust the Focus volume ( on FBT ) to have the best resolution on screen.
3.4.5 VERTICAL GEOMETRY
Adjust V. LINEAR (linearity), S CORRECT (S. Correction), VERT SIZE (Vertical amplitude),
VERT CENT (vertical centring) to compensate for vertical distortion.
3.4.6 HORIZONTAL PICTURE CENTRING
Adjust HOR CEN (Horizontal centre) to have the picture in the centre of the screen.
3.4.7 EAST / WEST CORRECTION
Adjust the PARABOLA, HOR WIDTH, CORNER, HOR PARAL, EW TRAPEZ, to compensate for
geometrical distortion.
HOR PARAL
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