Haier 29T9D, Service Manual, Page: 50 / 73

50
13. Adjustment
Operating method: After a normal start-up, successively push the combination keys of mute, screen
display, -/--, screen display and mute on the workshop remote controller to enter a maintenance
menu.
Push numeric 0
～
7 keys for a rapid choice in the maintenance menu.
Push P+/-
（
CH+/-
）
key to choose items to be adjusted;
Push VOL+/- key to adjust the size of the present item;
Push MUTE key for mute/no mute switchover
Push the key for screen display retreat to retreat from the maintenance menu
Push the numeric 0 key Screen voltage adjustment
VG2
：
INSIDE HIGH/LOW
Adjust acceleration electrode to change the screen display from VG2
：
OUTSIDE HIGH/LOW to VG2
：
INSIDE HIGH/LOW
Maintenance menu 1 Geometric distortion (Table 8)
Table 8
Item Description
Adjusting
range
Default Remarks
5PAR/6PAR Correction of four corners 0~63
5BOW/6BOW Bow-shape correction 0~63
5HSH/6HSH Correction of line center 0~63
5EWW/6EWW Correction of line width 0~63
5EWP/6EWP
Correction of pillow-shaped
distortion
0~63
5UCR/6UCR Correction of upper corners 0~63
5LCR/6LCR Correction of lower corners 0~63
Correction of geometric distortion will automatically fall into categories according to the present
identifiable 50/60hz systems.
Push numeric 2 key:
Maintenance menu 2 Geometric distortion (Table 9)
Table 9
Item Description
Adjusting
range
Default Remarks
5EWT/6EWT Keystone correction 0~63
5VSL/6VSL Field inclination correction 0~63
5VAM/6VAM Field amplitude correction 0~63
5SCL/6SCL Field S correction 0~63
5VSH/6VSH Field center correction 0~63
5VOF/6VOF OSD vertical position 0~63 39
HOF OSD horizontal position 25
VX Vertical zoom 0~63 25 Unadjustable
S correction will be adjusted according to the curvature of a picture tube, and the picture tubes of the
same type possess the same S correction value.
Correction of geometric distortion will automatically fall into categories according to the present
Adjustment