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DP-4X CHASSIS PRE-FOCUS ADJUSTMENT
ADJUSTMENT
PREPARATION:
A) 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 G, B
and R is just an example.)
2) Adjust the Focus VR for
Green until Focus is
achieved.
(A Fine Adjustment will be
made later.)
3) Repeat for Blue.
4) Repeat for Red.
Projection Front View
RED CRT
Screen VR
R
G
Focus VR
R
G
FOCUS PACK
GREEN CRT
BLUE CRT
NOTE:
• PTSR connector on RED
CRT PWB.
• PTSG connector on GREEN
CRT PWB.
• PTSB connector on BLUE
CRT PWB.
B
B
PAGE 08-05
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