2 - 9
2.4.2.5
Adjusting the landing (ITC/4 corner purity adjustment)
(1) Input the timing No. 12 (106. 25kHz/85Hz, 1600x1200) full green signal.
(2) Turn OFF the monitor power to carry out hand degaussing.
(3) Select GLOBAL SYNC (TL) on OSM.
(4) Adjust to the best condition using (-) (+) buttons. Here, make sure that the adjusted value
is within the range of OSM display value = 38h (56) to C6h (198).
(5) Carry out similar adjustment for TR/BL/BR (GLOBAL SYNC).
Note) When the substrate is replaced at the time of repair, set TL/TR/BL/BR to the values
before replacement before carrying out adjustment.
(6) Input the timing No.12 (106.25kHz/85Hz, 1600x1200) full white signal.
2.4.3
Adjusting the picture size, position, distortion, DBF amplitude and phase
The manual adjustment methods are explained below. The adjustments are executed in the
factory adjustment (factory) mode.
Adjust the picture size to the value indicated in the list of adjustment values.(Refer to 2.5.1.10
Adjustment value list.)
Adjust the distortion to the value indicated in the picture performance inspection item. (Refer
to 2.5.1.8 Picture distortion.)
2.4.3.1
Adjusting the picture inclination
Set OSM to ROTATE, and using (-) (+) buttons, set the raster inclination to be horizontal to
the CRT face surface.
2.4.3.2
Adjusting the back raster position
(1) Set BRIGHTNESS to 100% to show the back raster.
(2) Select LEFT/RIGHT and DOWN/UP, adjust the horizontal back raster position to the center
of the bezel using (-) (+) buttons.
At this time, the raster width should be |L1-L2|
≤
2.0mm.
Adjustment item
Picutre inclination
Adjustment mode/set
Factory
Imput signal/pattern
No. 12:106.25kHz / 85Hz,1600x1200
Crosshatch with frame
Status
indicator
Adjustment item
landing
Adjustment mode/set
Imput signal/pattern
No. 12:106.25kHz / 85Hz, 1600x1200
Full green
Status
indicator
OWN
VER
H2-OW-**
2.*.**
(Initial data file name)
Adjustment item
Back raster position
Adjustment mode/set
Factory
Imput signal/pattern
No. 12:106.25kHz / 85Hz, 1600x1200
Only the sync. signal input
Status
indicator
L1
L2
Back raster
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 ...