Sanyo PLC-XP21N Service page 38

Before optica! adjustment
1. Adjustment requires alien wrenches, ball alien wrenches, spanner wrenches and slot screwdrivers sets.
2. Set the Jens-shift to be center position.
3. Input-signal requires color white, green, red, blue, cyan and yetlow each grid and 100% raster signals.
Focus Adjustment
When you replace a!! of LCD pane)s such as disassembly cleaning, etc., first adjust the G-LCD panet as the stan-
dard reference, after that, adjust the R-LCD pane) and B-LCD pane) focus adjustments.
When you replaced one of LCD panels, adjust on)y the replaced LCD pane) focus to put the un-reptaced LCD pan-
efs focus.
[G-FOCUS ADJUSTMENT]
1. Input Green ghd sianat.
2. Press the ZOOM ( V ) button, (to reduce image size)
and press the FOCUS (FAR) or (NEAR) button to the
center of screen is in sharp fucus.
3. Press the ZOOM ( ^ ) button, (to increase image
size).
4. Loosen the 4 screws "A" with the 2.0mm hex driver
(Fig.fa).
5. tnsert the siot type screwdriver in the s!ots 0, t^) and
@ / @ (Fig.la) and gentiy turn the screwdriver untii the
each corner of screen is in sharp focus. The relation
of adjustment points and screen corners are indicat-
ed with 0, @, @ and ^ shown in Fig.la and Fig.2.
6. Press the ZOOM ( V ) button, (to reduce image size)
and check to see sharp focus is retrained. )f it is in
sharp focus, adjustment is completed, tf not, repeat
steps 2 to 6.
7. Tighten the 4 screws "A" and securety attache the
Green panef unft.
Fig.la
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