Hitachi C47-WD8000 Service Manual page 51

SERVICE ADJUSTMENTS
*Convergence Data Adjustment Method
This function can adjust convergence data of all of one line (or all of screen) at the same time, in
CONVERGENCE ADJUSTMENT MODE.
a) Press service switch on SIGNAL P.W.B. to set to CONVERGENCE ADJUSTMENT MODE, then
display Normal Crosshatch with Adjustment Point Marker. (Fig.16)
b) Press [SUB] key on R/C, then extra horizontal lines appeared
as set to RATER POSITION ADJUSTMENT MODE. (Fig.17)
ⅰ) If Adjustment Point is on center, by press cursor key on
R/C, then Convergence Data of all of screen are
exchanged at the same time.
ex) Fig.18 (Fig.19) : By press [UP] [LEFT] key on R/C,
move up (left) RED convergence data of all of screen.
ⅱ) If Adjustment Point is NOT on center, by press cursor key
on R/C, then Convergence Data of all of one line that
Adjustment Point Marker is existing are exchanged at the
same time.
ex) Fig.20 (Fig.21) : By press [UP] [LEFT] key on R/C,
move up (left) RED convergence data of all of
horizontal (vertical) line that Adjustment Point Marker
is existing.
c) Press [SUB] key on
R/C again
RATER POSITION
ADJUSTMENT
MODE.
to exit
Convergence Data (RED) of all of screen is exchanged.
Fig.18
Convergence Data (RED) of all of line is exchanged.
Fig.20
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Adjustment Point Marker
Fig.16
Extra Horizontal line is added
Fig.17
Fig.19
Fig.21