Sanyo PLV-HD2000E, Service Manual

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For convergence adjustment, use Green as the reference standard. Align Red and Blue with Green by
adjusting the position and angle of the Red and Blue LCD panel. Screws X, Y and Z (Fig.61) are for convergence
adjustment. When adjusting the Green reference LCD panel, both on Red and Blue LCD panel should be adjusted
with Green LCD panel.
GREEN
Red or
Blue
Screw Z
Screw X
Screw Y
1. Display Red (or Blue) and Green color crosshatch pattern
by setting with service mode.
2. Turn the Red lines to be paralleled with Green lines by
adjusting screw-Z.
3. Adjust screw-X to converge Red and Green vertical lines.
4. Repeat steps 2 and 3 until Red and Green vertical lines
converged properly.
5. Adjust screw-Y and converge Red and Green horizontal
lines properly.
6. Repeat step 2,3 and 5 until Red and Green lines con
verged properly.
7. Tighten screws-A.
8. Remove Adjustment Tool from Prism/LCD panel unit.
[Before adjustment]
Make sure each Red,Green and Blue LCD panel unit
has been correctly installed,and that all focus adjustments
have been completed before preforming convergence
adjustments.
1. Adjustment screw "Z" to turns the line.
2. Adjustment screw "X" to moves the line right and left.
3. Adjustment screw "Y" to moves the line up and down.
(Fig.61, 61a, 61b, 61c)
Line Movement and Screw Turning
Red (or Blue) Panel convergence adjustment
■
Convergence adjustment
Do not insert the object into the optical block for blocking
the light, otherwise, optical parts may be damaged.
Caution
Note; When removing an Adjustment Tool after adjustment,
loosen screws-B of Adjustment Tool first, otherwise
adjustment may be changed.
Note; If Red and Blue lines do not converge with green
lines, loosen screws-A of Green reference panel
and adjust Green panel slightly.
A
X
Z
Y
LCD panel
unit
(Prism/LCD Panel
assembly)
Fig.61
Fig.61a
Fig.61b
Fig.61c
Prism/LCD panel unit
Optical adjustments