Focus Adjustment - Hitachi 51SWX20B Training

DP-2X STATIC FOCUS ADJUSTMENT
ADJUSTMENT
PREPARATION:
Pre Heat Run should be
•
finished.

FOCUS ADJUSTMENT:

1) Short the 2pin sub-
miniature connector on the
CRT PWB (PTS), to
remove any color not
being adjusted and adjust
one color at a time. (The
adjustment order of R, G
and B is just an example.)
Screen VRs
Focus VRs
Projection Front View
RED CRT
2) Adjust the Focus VR for
3) Repeat for Blue and
Screen VR
R G
Focus VR
R G
FOCUS PACK
GREEN CRT BLUE CRT
Red until maximum Focus
is achieved.
Green.
B
B
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