2 - 16
R o r B
G
B o r R
Vertical convergence
Horizontal convergence
(6) After inputting check timing No. 5 in user mode and operates AUTO-ADJUST function,
confirm the focus with "e" character pattern in reverse. If "e" character is indistinct, repeat
step (1) to readjust.
*Adjustment votlage max value:
DBF-H-AMP H width: 396mm: 430V
DBF-V-AMP V width: 297mm: 200V
The focus is judged as follows.
2.4.8
Adjusting the convergence
2.4.8.1
Adjusting with ITC
Before adjusting the center mis-convergence and axial mis-convergence, carry out sufficient
full white aging (100cd/m
2
or more, for one hour or more). Then, adjust with the following
timing.
Timing: No. 12 (106.25kHz/85Hz,1600x1200) crosshatch pattern
Confirm that the following DDCP default setting is as shown in the table of 2.3.2.2 Factory
mode (OSM display matrix).
All items of OSM group USER5 and FACT2 of Factory mode
Adjust the horizontal and vertical convergence to the optimum setting with the CRT CP ring,
etc.
(Refer to following drawings.)
Timing
Halo
Halo
Core
Core
Normal display (All preset)
Reverse display
Resolution: 1600x1200
Resolution: >1600x1200
Crosshatch pattern
Judge with pattern A
Judge with pattern B
Judgment pattern (Note 1) (Note 2)
(Note 1) Pattern A: Font 7
×
9, Cell 10
×
11, e character
Pattern B: Font 7
×
9, Cell 10
×
11, H character
(Note 2) Focus judgement: Crosshatch pattern should be used for normal display judgement
The ratio of core : Halo is as follows.
Should be 1 : 0.5 or less at the center of the picture.
Should be 1 : 1.5 or less at the both sides of the picture
To judge the reverse display, do not carry out a relative evaluation with the other point on the
screen. Instead, judge whether the e (H) character can be read distinctly at that point.
Focus attention point
Focus pack
FOCUS
FOCUS1-VR
FOCUS2-VR
Summary of Contents for DPro2070SB
Page 22: ...1 15 Fig 7 The principle of DDCC compensation ...
Page 23: ...1 16 Fig 8 a DDCC adjustment item ...
Page 24: ...1 17 Fig 8 b DDCC adjustment item ...
Page 25: ...1 18 Fig 9 DDCC circuit diagram ...
Page 103: ...4 Wave form 1 POWER 2 CONTROL MAIN 3 DEFL MAIN 4 DEFL SUB COIL DRIVE MAIN 5 VIDEO ...