8.13 Adjustments, English
Only items that are not described chapter 5 and 8 are described in this chapter.
Please refer to page 8.12 for an overview of the Service Mode menus.
For operation in Service Mode see page 5.2.
ADJUSTMENTS
Geometry adjustments
For geometry adjustments a standard 4:3 test pattern (e.g. Philips) should be used.
Geometry adjustments have to be done in format 1 (4:3) and format 2 (16:9).
Operation
- Select a SETUP menu.
- Press
STOP STOP GO
within 3 seconds on Beo1 to get access to SERVICE MENU.
- Select MONITOR and select GEOMETRY ADJUSTMENTS.
- Select the parameter to change and press
GO
. Change the parameter setting with
l
and
n
. Press
GO
when the parameter setting is ok.
Some of the adjustments are fi xed and should not be adjusted:
Vertical S-Correction (V-SC)
Must always be set to 20
Horizontal sensitivity (EHT)
Must always be set to 38
The adjustments must be done fi rst in format 1 (4:3).
- Enter Service Mode and select the MONITOR line.
- Select the PICTURE ADJUSTMENTS line.
- Select the BRILLIANCE line and set the brilliance to max. (62).
Then
press
GO
.
- Select the GEOMETRY ADJUSTMENTS line.
- Select the BOW (Horizontal BOW) line and set it to 8.
- Select the H-AM (Horizontal AMplitude) line and adjust until the phosphor edge is
visible at both sides of the picture. Select the H-CT (Horizontal CenTering) line and
adjust to one of the three positions that gives the best centering of the picture.
Select the H-AM line and adjust to correct picture width. Then press
GO
and
m
to
select the PICTURE ADJUSTMENTS line.
Select the BRILLIANCE line and set the value to the same as before the adjustment.
Then press
GO
.
- Select the GEOMETRY ADJUSTMENTS line.
Vertical Shift (V-SH)
- Set BLANKING to 1. Adjust V-SH until the blanking is at the vertical centre of the
screen. Set BLANKING to 0.
Vertical Amplitude (V-AM)
- Adjust V-AM so that the picture fi ts at the top.
Vertical Slope (V-SL)
- Adjust V-SL so that the picture fi ts at the bottom.
Horizontal Phase (H-PH)
- Adjust H-PH to the correct centering of the picture.
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