AV32X25EUS / AV32X250EUS
AV32X25EIGY / AV32X25EKGY
AV28X25EUS / AV28X25EIGY
AV28X25EKGY
FOCUS & SCREEN ADJUSTMENT
Measuring
ItemTest pointAdjustment partDescription
instrument
FOCUSSignalFOCUS VR[28?MODEL]
adjustmentgenerator[In HVT]
1. Receive a cross-hatch signal.
[28? MODEL]
2. Press the ?ZOOM? key and select the FULL mode.
3. While watching the screen, adjust the FOCUS VR to make the
vertical and horizontal lines as fine and sharp as possible.
4. Make sure that when the screen is darkened, the lines remain
in good focus.
HVT
FOCUS VR
SCREEN VR
FOCUSSignalFOCUS 1[32?MODEL]
adjustmentgenerator1. Receive a cross-hatch signal.
FOCUS 2
[32? MODEL]2. Push the ?ZOOM? key and select the FULL mode.
[In HVT]
3. By turning the FOCUS2 VR, and adjust the picture so that the
? ? part vertical line may become thinnest.
FOCUS 24. By turning the FOCUS1 VR, and adjust the picture so that the
3rd horizontal line from the upper may become uniform at the
line center and its periphery.
5. Carry out adjustment by repeating the steps 3 and 4 above.
FOCUS 1
6. Make sure that when the screen is darkened, the lines remain
in good focus.
HVT
FOCUS2(F2)
FOCUS1(F1)
SCREEN1(S1)
SCREENSignalSCREEN VR1 Press a whole black signal
Adjustmentgenerator[In HVT]2 Press the ?ZOOM? key and select the FULL mode.
3 Select 2. V/C from the SERVICE MENU.
4 Turn the SCREEN VR clockwise from the full counter
clockwise position and stop it at the point where ?CLOW? statusV/CPAL
(marked in Fig.) changes from 1 to 0 to 1 (which is
1. RGB BLK00indicated at the 3rd column from the right.)
5 Then turn the SCREEN VR counterclockwise, and stop where
- / + OK: STORE i : EXITthe ?CLOW ? status changes 1 to 0
CLOW
0 0 0 0 0 1 0 0status
?CLOW? : control loopout of window.
SERVICE MODE SCREEN
20No. 51994 |
ACEC
