Focus Adjustment; Convergence Adjustment; Color Temperature Auto Alignment - Mitsubishi Electric Diamond View 1995SL Service Manual

1995SL CRT Monitor Service Guide

6. Focus adjustment

a. Input mode 91K (1280x1024) with green cross-hatch pattern.
b. Adjust V(F2) Focus VR of FBT to make vertical line between center
and corner area of CRT clear.
c. Adjust H(F1) to make horizontal line between center and corner area
of CRT clear.
d. Repeat step b and c to get the best focus.
e. Check focus at input mode 91K (1280x1024) with reverse text-5x7 pattern.

7. Convergence adjustment

a. Input mode 91K (1280x1024) with cross-hatch patterns.
b. Adjust VRs of Yoke and 4-pole , 6-pole to meet specification.

8. Color Temperature auto alignment

[Input mode : 91K/ 85 Hz, WS8]
i) Equipment
a. PC + QUANTUM DATA/CHROMA card
b. RS232 BOX
c. COLOR ANALYZER (CA100)
d. RS232 CABLE (9P) connect RS232 BOX to PC(COM1)
e. CA100 CABLE to PC(COM2)
g. ADJUST PROGRAM for G991
ii) Alignment procedure
a. Press "SPACE BAR " to get raster pattern and set contrast and brightness to
maximum position, adjust the G2 VR such that the max. color of R.G.B color bar on
the monitor is in the mark region.
b. Press "SPACE BAR" to do auto color temperature adjustment and color tracking
c. Press "SPACE BAR" to get 3"-block and finish the adjustment
For TCO99 Color Temperature Alignment:
Item Descriptions
C1 9300K
C2 6500K
For MPRII Color Temperature Alignment:
Item
C1
C2
x
283 ± 5
313 ± 5
Descriptions
9300K
6500K
Chapter 3 Alignment Procedure
y
297 ± 5
0.189
329 ± 5
0.198
X
281 ± 5 311 ± 5
313 ± 5 329 ± 5
u' v'
0.446
0.468
y
4