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[A] Pre-Adjustment
1. High-Voltage Adjustment
Initial Setting
SCREEN VR: Fully counterclockwise (MIN)
VR5T1: Fully counterclockwise (MIN)
This adjustment is made when circuit board energizing is examined.
1) Receive signal 3.
2) Adjust VR5T1 slowly so that high voltage is 27kV±0.2kV.
After adjusting, seal VR5T1 with a silicon adhesive and cap (Part No. 74106841).
[B] Initial Settings
1. Control Setting
Before adjusting, set the position of control as follows.
FBT
SCREEN VR
FOCUS F1
FOCUS F2
VR581
SW581
[C] Main Adjustment
Use this manual for aligning the monitor.
1) Push "RESET" SW to reset a highlighted item.
2) Close OSM menu and turn the power off.
3) Turn the monitor back on and confirm that the adjustment values / contrast / white balance / distortion
values are the same before the Menu was closed.
When "PROCEED" SW is pushed by the condition which Menu (S) is displayed, OSM Menu will
disappear. If "PROCEED" SW is pushed once more, OSM displays)
4) A highlight displays items of TAG 3, TAG 4, TAG 5, TAG B and TAG C, AUTO EMF function becomes
ON, and Landing Rotation Convergence alters.
When it is moved from this items to the tag after the adjusted, AUTO EMF function is turned off,
and Landing Rotation Convergence alters.
Previous setting
Signal: No. 3 (VGA480) All White
1) Screen VR setting
Open Menu (U), TAG 1 "BRIGHTNESS & CONTRAST" and push "RESET" SW.
Adjust SCREEN VR so that the back-raster is just disappeared.
2) FOCUS VR setting
Display OSM menu and adjust FOCUS F1 VR and F2 VR to be able to recognize characters.
3) Rough Adjustment before warm up
Signal 3 (VGA480) All Black
SAFTY
: Fully counterclockwise (MIN)
: Mechanical center
: Mechanical center
: Fully clockwise (MAX)
: CRT side
Signal: No. 7 (VESA350@85) All White
Signal: No. 13 (MAC832*624) All White
Signal: No. 36 (H.HOLD2(130k) All Black
Signal: No. 29 (V.RASTER) All White
5-12
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