Iiyama A902MT, Service Manual

Page: 22 / 78

1-29-8. SCREEN-CORNER MISCONVERGENCE correction
R
B
R B
R
B
R B
Receive a red and blue cross-hatch signal.
Affix a *ferrite sheet (890Z003A02/890Z003A03/800Z003A05) between
SEPARATOR and CRT corresponding to the partially misconverged areas.
Note: Must be careful not to affect distortion by this correction.
Fix the ferrite sheet with ACETATE-TAPE (890P306A10).
Note: Only for 800Z003A02 and 800Z003A03)
1)
2)
3)
- 16 -
1)
2)
Receive a red and blue cross-hatch signal.
Adjust the specified YV (a) volume so that red and blue beams
converge each other at the upper and lower edges of the horizontal
line.
1-29-6. YV (a) adjustment
R
B
R
B
R,B
R,B
1-29-7. YH (t) adjustment
1)
2)
Receive a red and blue cross-hatch signal.
Adjust the specified YH (t) volumes so that vertical cross lines converge
each.
R B
R,B
(890Z003A02)
70
10
10
100
Ferrite
(890Z003A03)
*Ferrite sheet
(in mm)
90
10
Ferrite
(890Z003A05)