5.4 Adjustments, English
Adjustments, English 5.5
Earth field correction
Earth field correction must be performed before geometry adjustment.
TV mode
V.TAPE
Format
16:9, Format 3
Test picture Test picture 16:9
Menu setup
Picture – Brilliance 32, Colour 32, Contrast 44
Service Menu setup
Menu – Setup - 0 0 GO - Earth field correction
Compensation ON
Connect external VTR to the TV.
Use test tape, 6780000.
Press
V.TAPE
Adjust TOP SKEW until A1B1 = C1D1, top line straight.
Adjust BOTTOM SKEW until A2B2 = C2D2, bottom line straight.
Exit Service mode, Press
EXIT
.
Geometry in FORMAT 3, 16:9
TV mode
V.TAPE
Format
16:9, Format 3
Test picture Test picture 16:9
Menu setup
Picture – Brilliance 32, Colour 32, Contrast 44
Service Menu setup
Menu – Setup - 0 0 GO - Geometry adjustment
Connect external VTR to the TV.
Use test tape, 6780000.
Press
V.TAPE
1. V-PS, Vertical S-correction
Set V-PS = 18, default value.
2. V-SH, Vertical Shift
Set
Blanking ON
Adjust V-SH until
blanking
is covering up to the vertical center ± 1 mm
App. 187mm from top/bottom of phosphor edge.
Set
Blanking OFF
3. V-OL, Vertical Scroll
Set V-OL = 31, default value in 16:9
4. V-AM, Vertical Amplitude
Adjust distance E to I = 10 ± 1.5 mm
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK