Adjustments
-12-
HORIZONTAL ADJUSTMENT
HIGH-VOLTAGE CONFIRMATION
VERTICAL ADJUSTMENT
HORIZONTAL CENTRING ADJUSTMENT
(1) Receive circular pattern and set screen mode to “FULL”.
(2) Enter to the service mode and select mode “Image”, and
select item No. 02 “Image 02 P H-P”.
(3) Press the
Level up (+)
or
Level down (-)
button to adjust the
horizontal centre.
VERTICAL CENTRING ADJUSTMENT
(1) Receive circular pattern and set screen mode to “FULL”.
(2) Enter to the service mode and select mode “Image”, and
select item No. 01 “Image 01 P V-C”.
(3) Press the
Level up (+)
or
Level down (-)
button to adjust the
vertical centre.
Horizontal centre
HORIZONTAL WIDTH ADJUSTMENT
(1) Receive circular pattern and set screen mode to “FULL”.
(2) Enter to the service mode and select mode “Image”, and
select item No. 06 “Image 06 P H-S”.
(3) Press the
Level up (+)
or
Level down (-)
button to adjust the
horizontal width.
Note:
+B (+150V) Voltage Check and Grayscale Adjustment must
be completed before attempting High Voltage Check.
(1) Connect high-voltage meter to the anode of CRT and the
ground.
(2) Receive circular pattern and set screen mode to “FULL”.
(3) Set controls for brightness and contrast to maximum.
(4) Confirm high voltage is within 28.5 KV and 30.5 KV at maxi
mum beam current.
VERTICAL HEIGHT ADJUSTMENT
(1) Receive circular pattern and set screen mode to “FULL”.
(2)
Enter to the service mode and select mode “Image”, and
select item No. 05 “Image 05 P V-A”.
(3) Press the
Level up (+)
or
Level down (-)
button to adjust the
vertical height.
OSA POSITIONING ADJUSTMENT
(1) Receive circular pattern and set screen mode to “FULL”.
(2) Enter to the service mode and select mode “Regular”, and
select item No. 08 “Regular 08 OSD”. The OSD test bar will
appear on the top of screen.
(3) Press the
Level up (+)
or
Level down (-)
button to adjust
proper OSD positioning.